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Professor Gordon Howarth
To link to this page, please use the following URL: Biography/ Background
Qualifications
Teaching InterestsProfessor Howarth is the coordinator for the Laboratory Animal Science course that was introduced in the B Sc (Animal Science) program in 2007. Professor Howarth is a work experience student coordinator at the University and at the Women's and Children's Hospital. He also supervises groups of 3rd year Physiology students in research projects annually. Professor Howarth currently has five PhD students, one M Phil student and four Honours students in his laboratory. Research InterestsProfessor Howarth's research focuses on understanding the mechanisms by which newly-identified bioactive agents act in the intestine. These bioactive agents include probiotics, probiotic-sourced bioactives, prebiotics, synbiotics and bioactive extracts of plant, animal and marine origin. Dr Howarth has developed a wide range of animal models of gastrointestinal disease over a 20-year period. These include models of gastric ulceration, NSAID-enteropathy, chemotherapy-induced mucositis, radiation enteritis, the inflammatory bowel diseases Crohn's disease and ulcerative colitis, and colon cancer. He has utilized these models to demonstrate therapeutic applications for a number of growth factors (eg IGF-I, the subject of Professor Howarth's PhD studies) and bioactive formulations including a whey-derived growth factor extract that is currently undergoing clinical trial for the treatment of oral mucositis. Although Professor Howarth has been an Affiliate title-holder in the University for many years, he joined the University of Adelaide as an Associate Professor in the Discipline of Agricultural and Animal Science in early 2006. Professor Howarth is supported by a Senior Research Fellowship from the Cancer Council of Australia. Specific areas of research in the Howarth laboratory include: " Application of probiotics and probiotic-sourced factors for prevention of bowel inflammation " The role of medium-chain fatty acids in the development of colon cancer " Effects of chemotherapy agents on intestinal stem cell expression " Effects of new bioactive agents on intestinal stem cell expression " Determining potential efficacy of prebiotics such as FOS/GOS in models of intestinal mucositis and inflammatory bowel disease " Determining potential efficacy of newly-identified bioactives including dipeptidyl peptidase inhibitors, marine and land mollusc-sourced extracts, wine-sourced procyanidins and herbal extracts for treatment of intestinal mucositis, inflammatory bowel disease and other bowel disorders " Gut function analyses of congenital disorders such as mucopolysaccharidosis " Determining gene expression profiles in the intestine " Nutraceutical modification of animal diets to improve growth performance and animal welfare Publications(a) Refereed Journal Articles 1. JD Lomax-Smith, LA Zabrowarny, GS Howarth, AE Seymour and AJ Woodroffe. The immunochemical characterization of mesangial IgA deposits. Am. J. Pathol. 113: 359-364 (1983). 2. KM Bannister, GS Howarth, AR Clarkson and AJ Woodroffe. Glomerular IgG subclass distribution in human glomerulonephritis. Clin. Nephr. 19(4): 161-165 (1983). 3. GM Hale, GS Howarth, I Aarons, AR Clarkson and AJ Woodroffe. Quantitation of glomerular angiotensin II receptors in IgA nephropathy. Clin. Nephr. 32(1):5-9 (1989). 4. LC Read, FM Tomas, GS Howarth, AA Martin, K Edson, PC Owens and FJ Ballard. IGF-I and its N-terminal modified analogs induce marked gut growth in dexamethasone-treated rats. J. Endocrinol. 133: 421-431 (1992). 5. AB Lemmey, FJ Ballard, AA Martin, FM Tomas, GS Howarth and LC Read. Treatment with IGF-I peptides improves absorption of the remnant gut following small bowel resection in rats. Growth Factors 10: 243-252 (1994). 6. KA Ribbons, GS Howarth, KB Davey, C George-Nascimento and LC Read. Subcutaneous but not intraluminal epidermal growth factor stimulates colonic growth in normal adult rats. Growth Factors 10(3): 153-162 (1994). 7. MA Conlon, GL Francis, FM Tomas, JC Wallace, GS Howarth and FJ Ballard. Continuous 14 day infusion of insulin-like growth factor (IGF-II increases the growth of normal female rats, but exhibits a lower potency than IGF-I. J. Endocrinol. 144: 91-98 (1995). 8. MA Conlon, GL Francis, FM Tomas, JC Wallace, GS Howarth and FJ Ballard. Long R3-IGF-I infusion stimulates organ growth but reduces plasma IGF-I, IGF-II and IGF binding protein concentrations in the guinea pig. J. Endocrinol. 146: 247-253 (1995). 9. GS Howarth, GL Francis, JC Cool, X Xu, RW Byard and LC Read. Milk growth factors enriched from cheese whey ameliorate intestinal disease by methotrexate when administered orally to rats. J. Nutrition 126: 2519-30 (1996). 10. GS Howarth, R Fraser, CL Frisby, MB Schirmer and EK Yeoh. Effects of insulin-like growth factor-I administration on radiation enteritis in rats. Scand. J. Gastro. 32(11): 1118-1124 (1997). 11. KA Ribbons, GS Howarth, WDA Ford, C George-Nascimento, AJ Bourne and LC Read. Effects of epidermal growth factor administration on repair of acetic acid-induced colonic ulcerations in rats. Growth Factors 14(2-3): 89-101 (1997). 12. GS Howarth, JC Cool, AJ Bourne, FJ Ballard and LC Read. Insulin-like growth factor-I (IGF-I) stimulates regrowth of the damaged intestine in rats, when administered following, but not concurrent with, methotrexate. Growth Factors 15: 279-292 (1998). 13. GS Howarth, CJ Xian and LC Read. Insulin-like growth factor-I partially attenuates colonic damage in rats with experimental colitis induced by oral dextran sulphate sodium. Scand. J. Gastro. 33: 180-190 (1998). 14. SN Porter, GS Howarth and RN Butler. An orally administered growth factor extract derived from bovine whey suppresses breath ethane in colitic rats. Scand. J. Gastro. 33: 967-974 (1998). 15. CD Tran, RN Butler, JC Philcox, AM Rofe, GS Howarth and P Coyle. Regional distribution of metallothionein and zinc in the mouse gut: Comparison with metallothionein-null mice. Biological Trace Element Research 63: 1-13 (1998). 16. R Fraser, CL Frisby, LA Blackshaw, MB Schirmer, GS Howarth and EK Yeoh. Small intestinal dysmotility following abdominal irradiation in the isolated rat small intestine. Neurogastroenterology and Motility 10: 413-419 (1998). 17. CD Tran, RN Butler, GS Howarth, JC Philcox, AM Rofe and P Coyle. Regional distribution and localisation of zinc and metallothionein in the intestine of rats fed diets differing in zinc content. Scand. J. Gastro. 34: 689-695 (1999). 18. CJ Xian, GS Howarth, CE Mardell, JC Cool, M Familari, LC Read, and AS Giraud. Temporal changes in TFF3 expression and jejunal morphology during methotrexate-induced damage and repair. Am. J. Physiol. 277: G785-G795 (1999). 19. CJ Xian, X Xu, CE Mardell, GS Howarth, RW Byard, DJ Moore, P Miettinen and LC Read. Site-specific changes in transforming growth factor and expression in colonic mucosa of adolescents with inflammatory bowel disease. Scand. J. Gastro. 34: 591-600 (1999). 20. CJ Xian, RT Couper, GS Howarth, CE Mardell, LC Read and NC Kallincos. Increased expression of HGF and its receptor c-met in rat small intestine during recovery from methotrexate-induced mucositis. Br. Jour. Cancer 82: 945-952 (2000). 21. GS Howarth, CJ Xian and LC Read. Predisposition to colonic dysplasia is unaffected by continuous administration of insulin-like growth factor-I for twenty weeks in a rat model of chronic inflammatory bowel disease. Growth Factors 18: 119-133 (2000). 22. R Fraser, CL Frisby, LA Blackshaw, J Langman, GS Howarth and EK Yeoh. Divergence of mucosal and motor effects of IGF-I and LR3IGF-I on isolated rat ileum following abdominal irradiation. J. Gastro. Hepatol. 15 (10): 1132-1137 (2000). 23. RH Grose, GS Howarth, CJ Xian and A Hohmann. Expression of B7 costimulatory molecules by cells infiltrating the colon in experimental colitis induced by oral dextran sulphate sodium in the mouse. J. Gastro. Hepatol. 16(11): 1228-1234 (2001). 24. JC Clarke, RN Butler, GS Howarth, LC Read and GO Regester. Exposure of oral mucosa to bioactive milk factors reduces severity of chemotherapy-induced mucositis in the hamster. Oral Oncol 38(5):478-485 (2002). 25. CJ Xian, JC Cool, GS Howarth and LC Read. Effects of TGF gene knockout on epithelial cell proliferation, migration, apoptosis, and repair of acute damage in the small intestine. J Cell Physiol 191, 105-115 (2002). 26. SM Garnaut, GS Howarth and LC Read. Effects of Insulin-like Growth Factor-I and its analogue, long-R3-IGF-I on Intestinal Absorption of 3-O-methyl-D-Glucose are Less Pronounced than Gut Mucosal Growth Responses. Growth Factors. 5(1):17-25 (2002). 27. CD Tran, GS Howarth, JC Philcox, AM Rofe, P Coyle and RN Butler. Dietary supplementation with zinc and a growth factor extract derived from bovine cheese whey improves methotrexate-damaged rat intestine. Am J Clin Nutr. 77(5), 1296-1303 (2003). 28. BH Bajka, CM Gillespie, C-B Steeb, LC Read and GS Howarth. Applicability of the Ussing chamber technique to permeability determinations in functionally distinct regions of the gastrointestinal tract. Scand J Gastro. 38(7): 732-741 (2003). 29. GS Howarth, SEP Bastian, AJ Dunbar and C Goddard. Betacellulin promotes growth of the gastrointestinal organs and induces a diuresis in normal rats. Growth Factors 21(2): 79-86 (2003). 30. CJ Xian, GS Howarth, JC Cool and BK Foster. Effects of acute 5-Fluorouracil chemotherapy on IGF-I pre-treatment in growth plate cartilage and metaphyseal bone in rats. Bone 35: 739-749 (2004). 31. NS Pelton, DR Tivey, GS Howarth, GP Davidson and RN Butler. A novel breath test for the non-invasive assessment of small intestinal mucosal injury following methotrexate administration in the rat. Scand J Gastro 39 (10): 1015-1016 (2004). 32. JC Cool, JL Dyer, CJ Xian, RN Butler MS Geier and GS Howarth. Pre-treatment with insulin-like growth factor-I partially ameliorates chemotherapy-induced intestinal mucositis in the rat. Growth Hormone and IGF Research. 15 (1): 72-82 (2005). 33. MS Geier, D Tenikoff, R Yazbek, G McCaughan, CA Abbott, M Gorrell and GS Howarth. Development and resolution of experimental colitis in dipeptidyl peptidase IV deficient mice. J Cell Physiol. 204(2): 687-692 (2005). 34. D Tenikoff, KM Murphy, M Le, P Howe and GS Howarth. Lyprinol (stabilised lipid extract of New Zealand Green-Lipped mussel): a potential treatment modality for inflammatory bowel disease. J Gastroenterol. 40(4): 361-365 (2005). 35. JM Clarke, NS Pelton, BH Bajka, GS Howarth, LC Read and RN Butler. Use of the sucrose breath test to assess chemotherapy-induced mucositis in the rat. Cancer Biol Therap. 5(1): 34-38 (2006). 36. KL Tooley, GS Howarth, GP Davidson and RN Butler. Oral ingestion of Streptococcus thermophilus diminishes severity of small intestinal mucositis in methotrexate treated rats. Cancer Biol Therap. 5(6): 593-600 (2006). 37. GS Howarth, KL Tooley, GP Davidson and RN Butler. A Non-Invasive Method for Detection of Intestinal Mucositis Induced by Different Classes of Chemotherapy Drugs in the Rat. Cancer Biol Therap. 5(11): 1189-1195 (2006). 38. R Kamil, MS Geier, RN Butler and GS Howarth. Lactobacillus rhamnosus GG exacerbates intestinal ulceration in a model of indomethacin-induced enteropathy. Dig Dis Sci. 52(5):1247-52 (2007). 39. CA Mauger, RN Butler, MS Geier, KL Tooley and GS Howarth. Probiotic effects on 5-Fluorouracil-induced mucositis assessed by the sucrose breath test. Dig Dis Sci 52(3): 612-619 (2007). 40. CJ Xian, JC Cool, J van Gangelen, BK Foster and GS Howarth. Effects of etoposide and cyclophosphamide acute chemotherapy on growth plate and metaphyseal bone in rats. Cancer Biol Ther.;6(2): 170-177 (2007). 41. MS Geier, RN Butler, PM Giffard and GS Howarth. Lactobacillus fermentum BR11, a potential new probiotic, alleviates symptoms of colitis induced by dextran sulfate sodium (DSS) in rats. Int J Food Micro 114(3):267-274 (2007). 42. JR Coldwell, BD Phillis, K Sutherland, GS Howarth and LA Blackshaw. Increased responsiveness of rat colonic splanchnic afferents to 5-HT after inflammation and recovery. J Physiol. 15;579(Pt 1):203-13 (2007). 43. MS Geier, RN Butler, PM Giffard and GS Howarth. Prebiotic and Synbiotic Fructooligosaccharide Administration Fails to Reduce the Severity of Experimental Colitis in Rats. Dis Colon Rectum 50: 1-9 (2007). 44. CD Tran, JM Ball, S Sundar, P Coyle and GS Howarth. The role of zinc and metallothionein in the dextran sulphate sodium-induced colitis mouse model. Dig Dis Sci. 52:2113-2121 (2007). 45. GM Matthews, GS Howarth and RN Butler. Short-chain fatty acid modulation of apoptosis in the Kato III human gastric carcinoma cell line. Cancer Biol Ther. 6(7):1051-1057 (2007). 46. REA Forder, GS Howarth, DR Tivey and RJ Hughes. Bacterial modulation of small intestinal goblet cells and mucin composition during early post-hatch development of poultry. Poult Sci. 86(11):2396-403 (2007). 47. E Southcott, KL Tooley, GS Howarth, GP Davidson and RN Butler. Yoghurts containing probiotics reduce disruption of the small intestinal barrier in methotrexate-treated rats. Dig Dis Sci 53(7):1837-41 (2008). 48. REA Forder, GA Firth, DR Tivey, GS Howarth and RJ Hughes. A small-scale, low-cost isolation system for the incubation and rearing of low bacterial load chicks as a model to study microbial-intestinal interactions. Lab Animals 42(2):185-92 (2008). 49. R Yazbeck, GS Howarth, MS Geier, H-U Demuth and CA Abbott. Inhibiting dipeptidyl peptidase activity partially ameliorates colitis in mice. Frontiers in Bioscience 13, 6850-6858 (2008). 50. DM Torres, KL Tooley, MS Geier, RN Butler, CL Smith and GS Howarth. Effects of Lyprinol (Lipid extract of Green-Lipped New Zealand Mussel) on chemotherapy-induced mucositis in rats. Cancer Biol Ther. 7(2):295-302 (2008). 51. CL Smith, MS Geier, R Yazbeck, RN Butler, DM Torres and GS Howarth. Lactobacillus fermentum BR11 and Fructo-oligosaccharide Partially Reduce Jejunal Inflammation in a model of 5-FU-Induced Mucositis in Rats. Nutrition and Cancer 60(6):757-67 (2008). 52. KL Tooley, GS Howarth, RN Butler, LC Read, KA Lymn and IA Penttila. The Effects of Formula Feeding on Physiological and Immunological Parameters in the Gut of Neonatal Rats. Dig Dis Sci 54(7):1432-9 (2009). 53. MS Geier, CL Smith, RN Butler and GS Howarth. Small intestinal manifestations of dextran sulfate sodium consumption in rats, and assessment of the effects of Lactobacillus fermentum BR11. Dig Dis Sci. 54(6):1222-1228 (2009). 54. KY Cheah, GS Howarth, RN Butler, C Payne, KA Lymn, R Yazbeck, TH Wright, EJ Whitford and SEP Bastian. An extract from grape seed improves parameters of small intestinal mucositis in rats with mucositis induced by 5-Fluorouracil. Cancer Biol Ther. 8(4):382-390 (2009). 55. AL Roberts, GS Howarth WC Liaw, S Moretta, S Kritas, KA Lymn, R Yazbeck, CD Tran, JM Fletcher, RN Butler and S Byers. Gastrointestinal pathology in a mouse model of mucopolysaccharidosis type IIIA. J Cell Physiol. 219(2):259-64 (2009). 56. EJ Whitford, RN Butler, AG Cummins, KA Lymn, JK Fauser, R Yazbeck, A Lawrence, KY Cheah, TH Wright, KL Tooley, LD Prisciandaro and GS Howarth. Effects of Streptococcus thermophilus TH-4 in a rat model of 5-Fluorouracil induced mucositis. Cancer Biol Ther. 8(6):505-511 (2009). 57. TH Wright, C Feinle-Bisset, AN Pilichiewicz, RN Butler, KA Lymn, R Yazbeck, KY Cheah, EJ Whitford, S Mashtoub and GS Howarth. The herbal extract, Iberogast, partially improves small intestinal integrity in rats with mucositis induced by 5-Fluorouracil. Cancer Biol Ther. 8(10):923-929 (2009). 58. CD Tran, S Sundar and GS Howarth. Dietary zinc supplementation and methotrexate-induced small intestinal mucositis in metallothionein-knockout and wild-type mice. Cancer Biol Ther. 8(17):1662-1667 (2009). 59. KL Tooley, KA Lymn, GS Howarth and RN Butler. Optimization of the non-invasive 13C-Sucrose Breath Test in a rat model of methotrexate-induced mucositis. Cancer Chemo Pharmacol. 65(5):913-21 (2010). 60. RJ Lindsay, MS Geier, RN Butler, KA Lymn, R Yazbeck and GS Howarth. Oral administration of emu oil decreases acute inflammation and improves selected parameters of small intestinal integrity in a rat model of mucositis. Br J Nutr. 104(4):513-9 (2010). 61. R Yazbeck, ML Sulda, GS Howarth, A Bleich, K Raber, S von Horsten, JJ Holst and CA Abbott. Dipeptidyl Peptidase expression during experimental colitis in mice. Inflamm Bowel Dis. 16(8):1340-51 (2010). Citations = 1. 62. RP Miegel, SJ Pain, WHEJ Van Wettere, GS Howarth and DJA Stone. Effect of water temperature on gut transit time, digestive enzyme activity and nutrient digestibility in yellowtail kingfish (Seriola lalandi). Aquaculture 308: 145-151 (2010). 63. LD Prisciandaro, MS Geier, RN Butler, AG Cummins and GS Howarth. Probiotic factors partially improve parameters of 5-Fluorouracil induced mucositis in rats. Cancer Biol Therap: 11(7):671-677 (2011). 64. R Yazbeck, GS Howarth, RN Butler, MS Geier and CA Abbott. Biochemical and histological changes in the small intestine of mice with dextran sulfate sodium colitis. J Cell Physiol: 226(12):3219-3224 (2011). 65. R Yazbeck, GS Howarth, L Borges, MS Geier, CL Smith, GP Davidson and RN Butler. Non-invasive detection of a Palifermin mediated adaptive response following chemotherapy-induced damage to the distal small intestine of rats. Cancer Biol Therap: 12(5):399-406 (2011). 66. KL Tooley, GS Howarth, KA Lymn, A Lawrence and RN Butler. Oral ingestion of Streptococcus thermophilus TH-4 does not affect tumour or mucositis progression in a tumour-bearing model of mucositis. Cancer Biol Therap: 12(2):131-138 (2011). 67. SM Abimosleh, RJ Lindsay, RN Butler, AG Cummins and GS Howarth. Emu Oil Increases Crypt Depth in a Rat Model of Colitis. Dig Dis Sci. 57(4):887-96 (2012). 68. HL Atkins, MS Geier, LD Prisciandaro, AK Pattanaik, REA Forder, MS Turner and GS Howarth. Effects of a Lactobacillus fermentum BR11 mutant deficient in the cystine transport system in a rat model of inflammatory bowel disease. Dig Dis Sci. 57 (3): 713-719 (2012). 69. JK Fauser, RP Donato, JA Woenig, SJ Proctor, AP Trotta, PK Grover, GS Howarth, IA Penttila and AG Cummins. Wnt blockade with dickkopf reduces intestinal crypt fission and intestinal growth in infant rats. J Ped Gastroenterol Nutr. 55(1):26-31 (2012). 70. AK Samanta, VA Torok, NJ Percy, SM Abimosleh and GS Howarth. Microbial fingerprinting detects unique bacterial communities in the faecal microbiota of rats with experimentally-induced colitis. J Applied Micro. 50(2):218-25 (2012). 71. GM Matthews, GS Howarth and RN Butler. Short-chain fatty acids induce apoptosis in colon cancer cells associated with cell cycle arrest and changes to intracellular redox state and glucose metabolism. Chemotherapy 58(2):102-109 (2012). 72. LD Prisciandaro, MS Geier, AE Chua, RN Butler, AG Cummins, GR Sander and GS Howarth. Probiotic factors partially prevent changes to caspase 3 and 7 activation and trans-epithelial electrical resistance in an in vitro model of 5-Fluorouracil-induced epithelial cell damage. Supp. Care Cancer. 20(12): 3205-3210 (2012). 73. RR Nadhanan, SM Abimosleh, Y-W Su, MA Scherer, GS Howarth and CJ Xian. Dietary emu oil supplementation suppresses 5-Fluorouracil chemotherapy-induced inflammation, osteoclast formation and bone loss. Am J Phys Endocrinol Metab. 302(11): E1440-1449 (2012). 74. R Terry, WHEJ Van Wettere, AL Whittaker, PJ Herde and GS Howarth. A proof of concept study in swine to investigate the feasibility of intestinal sucrase activity measurement utilizing the non-invasive 13C-sucrose breath test. Comp Med. In Press (2012). 75. CJ Jenvey, C Caraguel, GS Howarth and CB Riley. Identification of periparturient mare-associated and foal-associated predictors of passively acquired immunoglobulin A concentrations in Thoroughbred foals. Equine Vet J. In Press (2012). 76. AG Cummins, JA Woenig, RP Donato, SJ Proctor, GS Howarth and PK Grover. Notch signalling promotes intestinal crypt fission in the infant rat. Dig Dis Sci. In Press (2012). 77. KY Cheah, TMJ Acott, SEP Bastian, SM Abimosleh, KA Lymn and GS Howarth. Grape Seed Extract reduces the severity of selected disease markers in the proximal colon of Dextran Sulphate Sodium-induced colitis in rats. Dig Dis Sci. In Press (2012). 78. SM Abimosleh, CD Tran and GS Howarth. Emu Oil Expedites Small Intestinal Repair Following 5-Fluorouracil-Induced Mucositis in Rats. Exp Biol Med. In Press (2013). Submitted (under review) 80. KY Cheah, GS Howarth, JA Kennedy, KA Bindon and SEP Bastian. Grape-derived proanthocyanidin fractions and effects on colon cancer cells. (Submitted to Mol Nutr Food Res).
82. S Mashtoub, RN Butler and GS Howarth. Emu Oil effects on intestinal repair. (To be submitted to J Nutrition). 83. RJ Lindsay, MS Geier, RN Butler and GS Howarth. Novel prebiotics and effects on intestinal mucositis in rats. (To be submitted to Dis Colon Rectum). 84. RJ Lindsay, GS Howarth, CA Abbott and K Benkendorff. Effects of a novel marine mollusc extract on chemotherapy-induced mucositis in rats. (To be submitted to J Nutrition). 85. B Hoang, R Yazbeck, M Vu, RN Butler, C Feinle-Bisset, N McWilliams and GS Howarth. Effects of a Traditional Chinese Medicine formulation and the herbal extract, Iberogast, on experimental inflammatory bowel disease. (To be submitted to J Nutrition).
(b) Reviews (including invited) 1. SN Porter, GS Howarth and RN Butler. Non-steroidal anti-inflammatory drugs and apoptosis in the gastrointestinal tract: potential role of the pentose phosphate pathways. Eur J Pharmacol. 26: 397(1):1-9 (2000). 2. GS Howarth and CA Shoubridge. Enhancement of intestinal growth and repair by growth factors. (Invited Review). Current Opinion in Pharmacology 1(6): 568-574 (2001). Part of Current Opinion series. 3. GS Howarth. IGF-I and the gut: Therapeutic Indications and Safety Implications. (Invited Review). J Nutrition 133:2109-2112 (2003). 4. GM Matthews, GS Howarth and RN Butler. Nutrient and antioxidant modulation of apoptosis in gastric and colon cancer cells. Cancer Biol Therap 5(6): 569-572 (2006). 5. MS Geier, RN Butler and GS Howarth. Probiotics, prebiotics and synbiotics: a role for chemoprevention in colorectal cancer ?. Cancer Biol Ther. 5(10): 1265-1269 (2006). 6. MS Geier, RN Butler and GS Howarth. Inflammatory bowel disease: current insights into pathogenesis and new therapeutic options; probiotics, prebiotics and synbiotics. Int J Food Microbiol. 115(1):1-11 (2007). 7. LD Prisciandaro, MS Geier and GS Howarth. Probiotics and their derivatives as treatments for inflammatory bowel disease. Inflamm Bowel Dis 15(12):1906-1914 (2009). 8. KL Tooley, GS Howarth and RN Butler. Mucositis and non-invasive markers of small intestinal function. Cancer Biol Ther. 8(9):753-758 (2009). 9. R Yazbeck, GS Howarth and CA Abbott. Growth factor based therapies and intestinal disease: Is glucagon-like peptide-2 the new way forward?. Cytokine Growth Factor Reviews. 20(2):175-184 (2009). 10. R Yazbeck, GS Howarth and CA Abbott. Dipeptidyl peptidase-IV inhibitors: an emerging drug class for inflammatory disease. Trends in Pharmacological Science. 30(11): 600-607 (2009). 11. R Yazbeck, CA Abbott and GS Howarth. The use of glucagon-like factor-2 (GLP-2) and related growth factors in intestinal diseases. Current Opinion in Investigational Drugs. 11(4):440-6. (2010). 12. LD Prisciandaro, MS Geier and GS Howarth. Evidence supporting the use of probiotics in the prevention and treatment of chemotherapy-induced mucositis. Crit Rev Food Sci Nutr. 51(3):239-47 (2011). 13. JK Fauser, LD Prisciandaro, AG Cummins and GS Howarth. Fatty acids as potential adjunctive colorectal chemotherapeutic agents. Cancer Biol Therap. 11(10): 724-731 (2011). 14. SM Abimosleh, CD Tran and GS Howarth. Emu Oil: a novel treatment approach for disorders of the alimentary system. J Gastro Hepatol. 27(5):857-61 (2012). 15. H Wang, MS Geier and GS Howarth. Prebiotics: a potential treatment strategy for the chemotherapy-damaged gut?. Crit Rev Food Sci Nutr. In Press (2013). 16. GS Howarth and H Wang. Role of endogenous microbiota, probiotics and their biological products in human health. Nutrients 5(1): 58-81 (2012).
Submitted (under review) (c) Books – None as yet.
1. LC Read, AB Lemmey, GS Howarth, AA Martin, FM Tomas and FJ Ballard. The gastrointestinal tract is one of the most responsive target tissues for IGF-1 and its potent analogs. p225-234. In: Modern Concepts of Insulin-like growth factors. Ed. E. Martin Spencer. Elsevier Science Publishing Company Inc. (1991). 2. LC Read, GS Howarth, AB Lemmey, C-B Steeb, J Trahair, FM Tomas and FJ Ballard. The gastrointestinal tract: a most sensitive target for IGF-I. Proc. NZ Nutrition Soc. 17: 136-142 (1992). 3. LC Read, GS Howarth, C-B Steeb and AB Lemmey. In vivo effects of IGF-I on gut growth and function. In : The insulin-like growth factors and their regulatory proteins. Proceedings of the Third International Symposium on Insulin-like Growth Factors p409-416. Ed. R.C Baxter, P.D. Gluckman and R.G. Rosenfeld. Elsevier Science Publishing Company Inc. (1994). 4. GO Regester, DA Belford, C Goddard, GS Howarth, GS Smithers, AC Copeland, KS De Silva, LS Toneman and LC Read. Prospective clinical applications for a growth factor extract from whey: gut disease and wound repair. Proc International Whey Conference. (1997). 5. LC Read, GS Howarth, JC Cool, C-B Steeb, AB Lemmey and K Penning. IGFs and gut disease. Proc. Second DSL International Conference p166-170, (1997). 6. C-B Steeb, CA Shoubridge, J Lamb, GS Howarth and LC Read. Role of insulin-like growth factor-I (IGF-I) in gastrointestinal growth and repair. In: Molecular mechanisms to regulate the activities of insulin-like growth factors. Proceedings of the Fourth International Symposium on Insulin-like Growth Factors. Elsevier Science Publishing Company Inc. p. 331-339 (1998). 7. GS Howarth, SEP Bastian, AJ Dunbar, NC Kallincos and C Goddard. The terminal ileum of the rat is responsive to betacellulin administration. Digestive and Liver Disease [Proceedings of International meeting on Inflammatory Bowel Diseases – Capri, Italy (2000)]. 8. GS Howarth, RH Grose, CJ Xian and A Hohmann. Expression of B7 costimulatory molecules in experimental IBD. Digestive and Liver Diseases [Proceedings of International meeting on Inflammatory Bowel Diseases – Capri, Italy (2000)]. 9. LC Read, IA Penttila, GS Howarth, JM Clarke and GO Regester. Role and function of growth factors in infant nutrition. Infant Formulae: Closer to the Reference. Ed. NCR Raiha and FF Rubaltelli. Nestlé Nutrition Workshop Series. Paediatric Program. Volume 47 Supplement : 185-196 (2000). 10. SM Brierley, JR Coldwell, NJ Cooper, GS Howarth and LA Blackshaw. Colonic apical primary afferents mechanosensory and chemosensory subtypes and effects of inflammation. Proceedings of Falk Symposium. GI Inflammation and Disturbed Gut Function: The Challenge of New Concepts. Freiburg Germany (2002). 11. D Tenikoff, KJ Murphy, M Le, RN Butler, PR Howe and GS Howarth. Lyprinol(tm): a potential preventive treatment for inflammatory bowel disease (IBD)? Asia Pac J Clin Nutr. Aug;13(Suppl):S94 (2004). 12. CA Abbott, R Yazbeck, MS Geier, H-U Demuth and GS Howarth. Dipeptidyl peptidases and inflammatory bowel disease. Dipeptidyl Aminopeptidases Basic Science and Clinical Applications Series: Advances in Experimental Medicine and Biology, Vol. 575, 155-162 (2006). 13. GS Howarth. Probiotics and Inflammatory Bowel Disease. (Falk Inflammatory Bowel Disease Symposium No. 151. Emerging Issues in Inflammatory Bowel Diseases, p281-295 (2006). 14. REA Forder, C Masselott-Robbe, GS Howarth, DR Tivey and RJ Hughes. The influence of bacterial exposure on intestinal mucin composition and structure during post-hatch development of poultry. Aust J Exp Agric 48(12): 1272-1278 (2008). 15. GS Howarth, RJ Lindsay, RN Butler and MS Geier. Can emu oil ameliorate inflammatory disorders affecting the gastrointestinal system?. Aust J Exp Agric 48 (12): 1276-1279 (2008). 16. GS Howarth. Inflammatory Bowel Disease (IBD), a Dysregulated Host-Microbiota interaction: Probiotics and Prebiotics, a new therapeutic option?. Proceedings of Fifth International Symposium on Probiotics: 58-66 (2008). 17. GS Howarth. New advances in animal feed nutrition with probiotics and prebiotics. Probiotech International Symposium on Prebiotics: 93-102 (2009). 18. LD Prisciandaro, GS Howarth and MS Geier. Probiotics and Prebiotics in Inflammatory Bowel Disease?. In: Handbook of Prebiotics and Probiotics Ingredients: Health Benefits and Food Applications. Chapter 12: p233-258. CRC Press – Taylor and Francis Group (2009). 19. CJ Xian, CM Fam, JC Cool, MA Scherer, T King, KR Georgiou, RR Nadhanan, GS Howarth, T Shandala, BK Foster. Pathobiology and prevention of bone growth defects caused by cancer chemotherapy. International Journal of Molecular Medicine 24(1): S24-S24 (2009). 20. B Konsak, T Crowley, D Stanley, V Haring, RJ Hughes, GS Howarth and R Moore. Understanding the Transition from the Naive Gut to the Functionally Mature Gut in chickens. Proceedings of XIII European Poultry Conference, Tours, France (2010). 21. GS Howarth, RN Butler, S Salminen, GR Gibson and SM Donovan. Probiotics for optimal nutrition: from efficacy to guidelines. Proceedings of Experimental Biology 2012, San Diego, CA, USA. Adv Nutr 3: 720-722 (2012).
Editorials and Commentaries Peer reviewed publications from other Disciplines Non-peer reviewed publications Government Reports Industry Reports
2. KM Bannister, GS Howarth, AR Clarkson and AJ Woodroffe. Glomerular IgG subclass distribution in human glomerulonephritis. Poster presentation Second Asian-Pacific Congress of Nephrology, Melbourne, Victoria, Australia (1983). 3. GM Hale, GS Howarth, I Aarons, AR Clarkson and AJ Woodroffe. Quantitation of glomerular angiotensin II receptors in IgA nephropathy. Poster presentation Australasian Society of Nephrology, Sydney, New South Wales, Australia (1988). 4. LC Read, FM Tomas, GS Howarth, AA Martin, K Edson, PC Owens and FJ Ballard. IGF-I and its N-terminal modified analogs induce marked gut growth in dexamethasone-treated rats. Poster presentation Gastroenterological Society of Australia, Adelaide, South Australia (1991). 5. GS Howarth, KA Penning, JC Cool and LC Read. IGF-I and repair of the methotrexate-damaged small intestine. Growth Regulation 4(1): 124 (Abst. II 296) (1994). Poster presentation, International GH and IGF Research Society, Sydney, Australia. Feb 1994. 6. GS Howarth, JC Cool, KA Penning, C-B Steeb, AB Lemmey and LC Read. Growth factors as agents of protection and repair in paediatric gut disease. J. Paediatr. Child Health. 31, A5 (1995). Poster presentation, Paediatric Research Society of Australasia, Adelaide, SA, June 1995. 7. GS Howarth, KA Penning, JC Cool, A Mercorella, LM Srpek and LC Read. Insulin-like growth factors reduce colonic damage in experimental colitis J. Gastro. Hepatol. 10 (2): A44 (1995). Oral presentation, Australian Gastroenterology Week, Perth, WA, October 1995. 8. RN Butler, CD Tran, GS Howarth and P Zalewski. Labile zinc in the rat small intestine after damage with methotrexate. J. Gastro. Hepatol. 10 (2): A47 (1995). Poster presentation, Australian Gastroenterology Week, Perth, WA, October 1995. 9. R Fraser, CL Frisby, MB Schirmer, EK Yeoh and GS Howarth. Effects of insulin-like growth factor-I administration on mucosal response to radiation induced injury. Gastroenterology 110(4): A1072 (1996). Poster presentation, Digestive Diseases Week, San Francisco, USA. May 1996. 10. GS Howarth, KA Penning, D Antoniou, A Mercorella, LM Srpek, and LC Read. J. Gastro. Hepatol. 11: A102 (1996). Insulin-like growth factors reduce colonic damage in a rat model of inflammatory bowel disease induced by oral dextran sulphate sodium. Oral presentation, Australian Gastroenterology Week, Adelaide, SA, October 1996. 11. SM Garnaut, GS Howarth and LC Read. Intestinal absorption of 3-methyl-glucose in rats treated with IGF-I like peptides. J. Gastro. Hepatol. 11: A103 (1996). Poster presentation, Australian Gastroenterology Week, Adelaide, SA, October 1996. 12. CD Tran, RN Butler, GS Howarth, P Coyle, JC Philcox and AM Rofe. Gut metallothionein levels in the rat in response to normal and low dietary zinc and fasting. J. Gastro. Hepatol. 11: A95 (1996). Poster presentation, Australian Gastroenterology Week, Adelaide, SA, Oct 1996. 13. GS Howarth and LC Read. Insulin-like growth factors reduce colonic damage in a rat model of inflammatory bowel disease induced by oral dextran sulphate sodium. Gastroenterology 110(4): A927 (1996). Oral presentation, Digestive Diseases Week, San Francisco, USA. May 1996. 14. R Fraser, CL Frisby, MB Schirmer, EK Yeoh and GS Howarth. IGF-I and mucosal response to radiation injury. J. Gastro. Hepatol. 11: A98 (1996). Oral presentation, Australian Gastroenterology Week, Adelaide, SA, October 1996. 15. SN Porter, GS Howarth and RN Butler. WGFE decreases an indicator of colitic disease activity in the DSS model of colitis. Gastroenterology 112(4): A1063 (1997). Poster presentation, Digestive Diseases Week, Washington, USA. May 1997. 16. CJ Xian, GS Howarth, C Mardell and LC Read. Expression of TGF-alpha and beta1 in rat colonic mucosa with DSS-induced acute and chronic colitis and dysplasia. J. Gastro. Hepatol. 12: A57 (1997). Poster presentation, Australian Gastroenterology Week, Brisbane, Qld. October 1997. 17. GS Howarth and LC Read. Insulin-like growth factor-I does not increase the incidence of dysplasia in a rat model of chronic IBD. Gastroenterology 112(4): A580 (1997). Poster presentation, Digestive Diseases Week, Washington, USA. May 1997. 18. C Frisby, EK Yeoh, M Schirmer, GS Howarth and R Fraser. Abdominal irradiation results in small intestinal dysmotility in the isolated rat small intestine. J. Gastro. Hepatol. 12: A15 (1997). Poster presentation, Australian Gastroenterology Week, Brisbane, Qld. October 1997. 19. CD Tran, RN Butler, P Coyle, J Philcox, AM Rofe and GS Howarth. Metallothionein regulation of intestinal zinc. J. Gastro. Hepatol. 12: A88 (1997). Poster presentation, Australian Gastroenterology Week, Brisbane, Qld. October 1997. 20. CJ Xian, C Mardell, GS Howarth and LC Read. IGF-I treatment reduces colonic inflammation in the rat model of DSS-colitis. Gastroenterology 112(4): A1122 (1997). Poster presentation, Digestive Diseases Week, Washington, USA. May 1997. 21. SN Porter, GS Howarth and RN Butler. Whey-derived growth factor extract suppresses an indicator of disease activity in the dextran sulphate sodium model of colitis. J. Gastro. Hepatol. 12: A15 (1997). Poster presentation, Australian Gastroenterology Week, Brisbane, Qld. October 1997. 22. CD Tran, GS Howarth, RN Butler, P Coyle, J Philcox and AM Rofe. Metallothionein and zinc in methotrexate-induced damage in rats. J. Gastro. Hepatol. 12: A87 (1997). Poster presentation, Australian Gastroenterology Week, Brisbane, Qld. October 1997. 23. GS Howarth, R Fraser, C Frisby, M Schirmer and E Yeoh. Insulin-like growth factor-I and Long R3-IGF-I are equipotent at stimulating intestinal regrowth following experimental radiation enteritis in rats. Gastroenterology 114(4, Pt. 2): A154 (1998). Poster presentation, Digestive Diseases Week, New Orleans, USA. May 1998. 24. CJ Xian, GS Howarth, C Mardell and LC Read. Effects of long-term infusion of IGF-I on colonic cell proliferation in rats with chronic colitis. Gastroenterology 114(4, Pt. 2): A706 (1998). Poster presentation, Digestive Diseases Week, New Orleans, USA. May 1998. 25. CJ Xian, C Mardell, GS Howarth, JC Cool, D Tran, RT Couper, LC Read and NC Kallincos. Increased expression of HGF and its receptor c-met in rat small intestine during recovery from methotrexate-induced mucositis. J. Gastro. Hepatol. 13: A157 (1998). Poster presentation, Australian Gastroenterology Week, Canberra, ACT. October 1998. 26. CD Tran, GS Howarth, P Coyle, JC Philcox, AM Rofe and RN Butler. Zinc supplementation improves intestinal permeability in methotrexate-treated rats. J. Gastro. Hepatol. 13: A207 (1998). Poster presentation, Australian Gastroenterology Week, Canberra, ACT. October 1998. 27. CD Tran, RN Butler and GS Howarth. Zinc in combination with a growth factor extract from bovine whey promotes recovery from methotrexate-induced small bowel damage in rats. Gastroenterology 116(4, Pt. 2): G4089 (1999). Poster presentation, Digestive Diseases Week, Orlando, USA. May 1999. 28. GS Howarth, RH Grose, CJ Xian and A Hohmann. Expression of B7 costimulatory molecules by cells infiltrating the colon in dextran sulphate sodium (DSS)-induced colitis in mice. Gastroenterology 116(4, Pt. 2): G3211 (1999). Poster presentation, Digestive Diseases Week, Orlando, USA. May 1999. 29. GS Howarth, SEP Bastian, AJ Dunbar, NC Kallincos and C Goddard. Systemic administration of betacellulin to rats promotes growth of the gastrointestinal organs. Gastroenterology 118(4): 2930 (2000). Poster presentation, Digestive Diseases Week, San Diego, USA. May 2000. 30. E Southcott, NS Pelton, CD Tran, GS Howarth, GP Davidson and RN Butler. Probiotics promote region-specific recovery from methotrexate-induced small bowel damage in rats. J. Gastro. Hepatol. 16 (Supplement): A21 (2001). Poster presentation, Asia-Pacific Digestive Week, Sydney, NSW. October 2001. 31. JM Clarke, LC Read, GS Howarth, KA Ramsden, BH Bajka and RN Butler. In vivo assessment of small intestinal function by sucrose breath test in a rat model of chemotherapy-induced mucositis. Gastroenterology 122(4) (Supplement): T881 (2002). Poster presentation, Digestive Diseases Week, San Francisco, USA. May 2002. 32. GS Howarth, JM Clarke, LC Read, RN Butler, GW Dandie and IA Penttila. Physiological, histological and immunological characterization of a rat model of prematurity.. Gastroenterology 122(4) (Supplement): T1326 (2002). Poster presentation, Digestive Diseases Week, San Francisco, USA. May 2002. 33. GS Howarth, JM Clarke, LC Read, KA Ramsden, BH Bajka and RN Butler. In vivo assessment of small intestinal function by sucrose breath test in chemotherapy-treated rats. J. Gastro. Hepatol. 17 A181 (2002). Poster presentation, Australian Gastroenterology Week, Adelaide, SA. October 2002. 34. GS Howarth, JM Clarke, LC Read, RN Butler, GW Dandie and IA Penttila. Characterization of a rat model of gastrointestinal immaturity and artificial feeding. J. Gastro. Hepatol. 17: A170 (2002). Poster presentation, Australian Gastroenterology Week, Adelaide, SA. October 2002. 35. JC Cool, CL Seymour-Griffin, MS Geier, D Tenikoff, S-S Lee, Y-P Dang, GW Dandie and GS Howarth. Temporal profile of repair and proliferation during recovery from indomethacin injury in the rat stomach. Gastroenterology 124(4) 174 (2003). Poster presentation, Digestive Diseases Week, Orlando, USA. May 2003. 36. JL Dyer, RN Butler, CJ Xian and GS Howarth. Partial attenuation of 5-Fluorouracil induced intestinal mucositis by pre-treatment with Insulin-like Growth Factor-I (IGF-I) in rats. Gastroenterology 124(4): 597 (2003). Poster presentation, Digestive Diseases Week, Orlando, USA. May 2003. 37. GS Howarth, B Jones, S Nobbs, H Zola, I Penttila and IA Flesch. Dendritic cells and IBD. Proceedings of Falk IBD Symposium #133 Poster 27– Mechanisms of Intestinal Inflammation: Implications for therapeutic intervention in IBD (2003). Poster presentation, Falk IBD Symposium, Berlin, Germany. May 2003. 38. JC Cool, JL Dyer, CJ Xian, RN Butler, D Tenikoff, MS Geier and GS Howarth. Pre-treatment with Insulin-like Growth Factor-I (IGF-I) partially ameliorates intestinal mucositis in rats. Growth Hormone & IGF Research 14(2): 145 (2004). Poster presentation, International IGF Research Society, Cairns, Qld, April 2004. Also oral presentation Endocrine Society of Australia, Sydney, NSW, September (2004). 39. MS Geier, C Abbott, D Tenikoff, G McCaughan and GS Howarth. Development and resolution of experimental colitis in dipeptidyl peptidase IV knockout mice. Gastroenterology 126(4): A-142 (2004). Poster, Digestive Diseases Week, New Orleans, USA. May 2004. 40. JR Coldwell, GS Howarth and LA Blackshaw. Increased colonic afferent sensitivity to 5-HT in inflammation and recovery. Gastroenterology 126(4): A-94 (2004). Poster presentation, Digestive Diseases Week, New Orleans, USA. May 2004. 41. JR Coldwell, GS Howarth and LA Blackshaw. High threshold rat colonic afferents directly respond to mast cell degranulation in acute inflammation. Gastroenterology 126(4): A-161 (2004). Oral presentation, Digestive Diseases Week, New Orleans, USA. May 2004. 42. JR Coldwell, GS Howarth and LA Blackshaw. Colonic extraluminal mechanoreceptors and inflammation in the rat colon. Gastroenterology 126(4): A-164 (2004). Poster presentation, Digestive Diseases Week, New Orleans, USA. May 2004. 43. D Tenikoff, KJ Murphy, M Le, P Howe and GS Howarth. Lyprinol: a potential preventive treatment for IBD. J. Gastro. Hepatol. 19 A209: 34 (2004). Poster presentation, Australian Gastroenterology Week, Brisbane, Qld. October 2004. 44. MS Geier, CA Abbott, D Tenikoff, K Ajami, G McCaughan, M Gorrell R Yazbek and GS Howarth. Dipeptidyl peptidase IV in induction and resolution of experimental colitis. J. Gastro. Hepatol. 19: A201 (2004). Poster presentation, Australian Gastroenterology Week, Brisbane, Qld. October 2004. Also oral presentation Endocrine Society of Australia, Sydney, NSW, September (2004). 45. R Kamil, JC Cool, JL Dyer, D Tenikoff, RN Butler, CJ Xian, and GS Howarth. Prophylactic administration of Insulin-like Growth Factor-I (IGF-I) reduces the severity of chemotherapy-induced mucositis via modulation of epithelial cell kinetics. J. Gastro. Hepatol. 19: A207 (2004). Poster, Australian Gastroenterology Week, Brisbane, Qld. October 2004. 46. R Yazbeck, H-U Demuth, GS Howarth and CA Abbott. Inhibition of Dipeptidyl Peptidase IV-Like Activity Partially Ameliorates Development of Experimentally-Induced Colitis in Mice. Proceedings of 2nd International conference on Dipeptidyl Aminopeptidases. Magdeburg, Germany, April 2005. 47. R Kamil, RN Butler, MS Geier, and GS Howarth. Severity of Indomethacin-induced Intestinal Ulceration in Rats is Differentially Affected by Lactobacillus and Bifidobacterium Probiotic Species (Hepatology and Luminal Environment Workshop. Gastroenterological Society of Australia, Victor Harbor, SA, 2005). 48. MS Geier, RN Butler, PC Giffard and GS Howarth. Probiotic Species are Differentially Effective in Attenuation of Experimental Colitis. (Hepatology and Luminal Environment Workshop. Gastroenterological Society of Australia, Victor Harbor, SA, 2005). 49. R Yazbeck, MS Geier, CA Abbott, D Tenikoff, G McCaughan, and GS Howarth. Dipeptidyl peptidase inhibition and inflammatory bowel disease. Gastroenterology. 128 (4): A-200 (2005). (Poster presentation, DDW Chicago 2005). 50. R Kamil, MS Geier, RN Butler and GS Howarth. Probiotic treatments for distal small bowel ulceration. Gastroenterology. 128 (4): A-604 (2005). (Poster presentation, Australian Gastroenterology Week, Brisbane, Queensland and DDW Chicago 2005). J Gastro Hepatol 20: A29 (2005). 51. MS Geier, R Kamil, RN Butler and GS Howarth. Probiotic treatments for DSS-induced inflammatory bowel disease in rats. Gastroenterology. 128 (4): A-603 (2005). (Poster presentation, DDW Chicago 2005). 52. KL Inglis, RN Butler, GP Davidson and GS Howarth. Use of the sucrose breath test to monitor gut side-effects of different classes of chemotherapy drugs. Gastroenterology. 128 (4): A-552 (2005). (Poster presentation, DDW Chicago 2005). 53. MS Geier, R Yazbeck, H-U Demuth, CA Abbott and GS Howarth. Inhibition of Dipeptidyl Peptidase IV-Like Activity Partially Prevents Development of Experimentally-Induced Colitis in Mice. (Oral presentation, ASMR (SA) Conference, Adelaide, SA and Poster presentation, Falk IBD Symposium, Birmingham, UK, 2005). 54. MS Geier, RN Butler, PC Giffard and GS Howarth. Differential Efficacy of Probiotic Species in Amelioration of Dextran Sulphate Sodium-Induced Colitis in Rats (Oral presentation, ASMR (SA) Conference, Adelaide, SA and Poster presentation, Australian Gastroenterology Week, Brisbane, Queensland and Falk IBD Symposium, Birmingham, UK, 2005). J Gastro Hepatol 20: A33 (2005). 55. KL Inglis, KA Penning, GS Howarth and RN Butler. Oral ingestion of Streptococcus thermophilus partially attenuates methotrexate-induced small intestinal mucositis in rats (Oral presentation, Multinational Association of Supportive Care in Cancer, 17th International Symposium, Geneva Switzerland, 2005). 56. GM Matthews, GS Howarth and RN Butler. Butyrate is more potent than propionate at increasing activity of the oxidative pentose pathway in the Kato-III gastric cancer cell line. (Oral presentation, ASMR (SA) Conference, Adelaide, SA and (Poster presentation, Australian Gastroenterology Week, Brisbane, Queensland and World Congress of Gastroenterology, Montreal, Canada, 2005). J Gastro Hepatol 20: A109 (2005). 57. GM Matthews, GS Howarth and RN Butler. Butyrate and propionate increase apoptotic rate in Kato-III gastric cancer cells. (Poster presentation, Australian Gastroenterology Week, Brisbane, Queensland and World Congress of Gastroenterology, Montreal, Canada, 2005) J Gastro Hepatol 20: A109 (2005). 58. R Yazbeck, GS Howarth, H-U Demuth, MS Geier and CA Abbott. Inhibition of Dipeptidyl Peptidase IV-Like Activity Partially Ameliorates Development of Experimentally Induced Colitis in Mice. (Poster presentation, "Inflammatory bowel disease: Research drives clinics" Muenster, Germany, New York Academy of Sciences A158 (2005). Oral presentation, Australian Gastroenterology Week, Brisbane, Queensland, and Oral presentation, 5th General Meeting of the International Proteolysis Society, Quebec, Canada 2005). J Gastro Hepatol 20: A23 (2005). 59. ALK Roberts, JM Fletcher, GS Howarth, KA Lymn and S Byers. Gastrointestinal pathology in a mouse model of mucopolysaccharidosis type IIIA (MPS IIIA). (Poster presentation, Australia and New Zealand Matrix Biology Society, Victor Harbor, South Australia (2005). 60. GS Howarth, KL Inglis GP Davidson and RN Butler. Applicability of the Sucrose Breath Test to detect mucositis manifest by different classes of chemotherapy drugs. (Poster presentation, Australian Gastroenterology Week, Brisbane, Queensland, 2005) J Gastro Hepatol 20: A38 (2005). 61. KL Inglis, GS Howarth, KA Lymn, A Lawrence and RN Butler. Oral ingestion of Streptococcus thermophilus partially-attenuates methotrexate-induced small bowel damage in female dark agouti rats. Falk IBD Symposium No. 151: A48. Emerging Issues in Inflammatory Bowel Disease, Sydney, (March 2006). 62. CL Smith, MS Geier, JML Chapman, K Roberts, RN Butler and GS Howarth, Dextran Sulphate Sodium (DSS)-induced small intestinal hyperplasia is prevented by administration of Lactobacillus Fermentum to rats. Falk IBD Symposium No. 151: A49. Emerging Issues in Inflammatory Bowel Disease, Sydney, (March 2006). 63. JM Ball, CD Tran and GS Howarth. Effects of zinc supplements on severity of experimental colitis in mice Falk IBD Symposium No. 151: A50. Emerging Issues in Inflammatory Bowel Disease, Sydney, (March 2006). 64. MS Geier, RN Butler, PM Giffard and GS Howarth. Fructooligosaccharide alone and as a synbiotic, exacerbates severity of experimental colitis in rats. Falk IBD Symposium No. 151: A47. Emerging Issues in Inflammatory Bowel Disease, Sydney, (March 2006). 65. R Kamil, MS Geier, RN Butler and GS Howarth. Differential effects of probiotics on severity of indomethacin-induced small bowel enteropathy. Falk IBD Symposium No. 151: A53. Emerging Issues in Inflammatory Bowel Disease, Sydney, (March 2006). 66. R Yazbeck, GS Howarth, H-U Demuth and CA Abbott. Inhibitors of dipeptidyl peptidase IV decrease symptoms of experimental colitis in mice. Falk IBD Symposium No. 151: A54. Emerging Issues in Inflammatory Bowel Disease, Sydney, March 2006 and Gastroenterology 130 (4): A345 (2006) - Digestive Diseases Week, Los Angeles (May 2006). 67. CA Mauger, RN Butler, MS Geier, KL Inglis and GS Howarth. Use of the sucrose breath test to assess probiotic efficacy in chemotherapy-induced small bowel injury. Falk IBD Symposium No. 151: A28. Emerging Issues in Inflammatory Bowel Disease, Sydney, (March 2006). 68. GM Matthews, GS Howarth and RN Butler. Butyrate and propionate increase apoptotic rate in Kato-III gastric cancer cells. Lorne Cancer Conference, Lorne, Victoria (February 2006). 69. L Philp, N Nair, R Yazbeck, CA Abbott and GS Howarth. Inhibition of Dipeptidyl Peptidase IV Like Activity Fails To Enhance Jejunal Growth In Mice With Experimentally-Induced Colitis. Falk IBD Symposium No. 151: A58. Emerging Issues in Inflammatory Bowel Disease, Sydney, (March 2006). 70. D Tenikoff, MS Geier, KJ Murphy, M Le, P Howe and GS Howarth. Lyprinol: a potential preventive treatment for IBD. Falk IBD Symposium No. 151: A59. Emerging Issues in Inflammatory Bowel Disease, Sydney, (March 2006). 71. ML Sulda, R Yazbeck, GS Howarth and CA Abbott. Dipeptidyl peptidases in a murine model of IBD. Falk IBD Symposium No. 151: A88. Emerging Issues in Inflammatory Bowel Disease, Sydney, (March 2006) and Gastroenterology 130 (4): A347 (2006) - Digestive Diseases Week, Los Angeles (May 2006). 72. GS Howarth. Translation of Complex Scientific Seminars to Undergraduate Lecture Format: an Opportunity to Develop Student Mentorship and Leadership Skills. ‘Investigations into University Learning and Teaching’. Tri-institutional Symposium. Flinders University (February 2006). 73. RN Butler, KL Tooley, GP Davidson and GS Howarth. Combinations of non-invasive biomarkers to assess gut altered by chemotherapy or infection. Biomarker World Congress, Philadelphia, USA (May 2006). 74. REA Forder, DR Tivey, GS Howarth and RJ Hughes. Changes in ileal mucin production through interactions with intestinal microflora during early post-hatch development of poultry. Australian Society for Medical Research – SA (p22), Adelaide (June 2006). 75. VA Torok, K Ophel-Keller, GS Howarth and RJ Hughes. Relationship between intestinal microbial species and growth performance in broiler chickens. Australian Society for Medical Research – SA (p32), Adelaide (June 2006). 76. MS Geier, RN Butler and GS Howarth. Supplementation with the prebiotic fructo-oligosaccharide increases the severity of experimental colitis in rats. Australian Society for Medical Research – SA (p44), Adelaide (June 2006). 77. R Kamil, MS Geier, RN Butler and GS Howarth. Lactobacillus rhamnosus GG exacerbates intestinal ulceration in a rat model of indomethacin-induced enteropathy. Australian Society for Medical Research – SA (p45), Adelaide (June 2006). 78. GM Matthews, JW Wilson, GS Howarth and RN Butler. Up-regulation of intracellular protective mechanisms in gastric cancer cells following exposure to sodium butyrate. Australian Society for Medical Research – SA (p48), Adelaide (June 2006). 79. CA Mauger, RN Butler, MS Geier, KL Inglis and GS Howarth. Use of the sucrose breath test to assess probiotic effects on small bowel injury in the rat. Australian Society for Medical Research – SA (p49), Adelaide (June 2006). 80. L Philp, N Nair, R Yazbeck, CA Abbott and GS Howarth. Inhibition of Dipeptidyl Peptidase IV Like Activity Fails To Enhance Jejunal Growth In Mice With Experimentally-Induced Colitis. Australian Society for Medical Research – SA (p53), Adelaide (June 2006). 81. CL Smith, MS Geier, JML Chapman, K Roberts, RN Butler and GS Howarth, Administration of Lactobacillus Fermentum BR11 to rats prevents DSS-induced small intestinal hyperplasia. Australian Society for Medical Research – SA (p55), Adelaide (June 2006). 82. ML Sulda, R Yazbeck, GS Howarth and CA Abbott. Dipeptidyl peptidases in a murine model of IBD. Australian Society for Medical Research – SA (p56), Adelaide (June 2006). 83. CD Tran, JM Ball and GS Howarth. The role of zinc supplementation on the alleviation of DSS-induced colitis in the mouse. Australian Society for Medical Research – SA (p58), Adelaide (June 2006). 84. R Yazbeck, GS Howarth, H-U Demuth and CA Abbott. Inhibition of dipeptidyl peptidase IV in DPIV knock-out and wild-type mice decreases disease activity in experimental colitis. Australian Society for Medical Research – SA (p61), Adelaide (June 2006). 85. RN Butler, S Kritas, KL Tooley, KA Lymn and GS Howarth. Combinations of non-invasive tests to assess gut dysfunction induced by chemotherapy and infection. Supportive Care in Cancer, 14(6): 611 (06-049). Multinational Association of Supportive Care in Cancer, 18th International Symposium, Toronto, Ontario, Canada (June 2006). 86. GS Howarth, KL Tooley, GP Davidson, KA Lymn and RN Butler. Non-invasive monitoring of intestinal mucositis using the 13C-sucrose breath test (SBT): a new biomarker for drug discovery. Supportive Care in Cancer, 14(6): 638 (16-111). Multinational Association of Supportive Care in Cancer, 18th International Symposium, Toronto, Ontario, Canada (June 2006). 87. GM Matthews, GS Howarth and RN Butler. Short-chain fatty acid modulation of apoptosis and cell cycle in Kato III gastric cancer cells. 4th International Conference on Gastrointestinal Carcinogenesis, Hawaii, USA (August 2006). 88. VA Torok, K Ophel-Keller, GS Howarth and RJ Hughes. Broiler chickens as a model to investigate diet induced changes in gut microflora. (Poster presentation: Australian Gastroenterology Week, Adelaide, SA, October 2006). J Gastro Hepatol 21(4): A264 (2006). 89. REA Forder, DR Tivey, GS Howarth and RJ Hughes. Changes in ileal mucin production through interactions with intestinal microflora during early post-hatch development of poultry. (Oral presentation: Australian Gastroenterology Week, Adelaide, SA, October 2006). J Gastro Hepatol 21(4): A265 (2006). 90. CL Smith, MS Geier, JML Chapman, K Roberts, RN Butler and GS Howarth, Dextran Sulphate Sodium (DSS)-induced small intestinal hyperplasia is prevented by administration of Lactobacillus Fermentum to rats. (Oral presentation: Australian Gastroenterology Week, Adelaide, SA, October 2006). J Gastro Hepatol 21(4): A268 (2006). 91. R Yazbeck, GS Howarth, H-U Demuth, JJ Holst, D Marguet and CA Abbott. Inhibition of dipeptidyl peptidase activity in DPIV knock-out and wild-type mice decreases disease activity in experimental colitis. (Oral presentation: Australian Gastroenterology Week, Adelaide, SA, October 2006). J Gastro Hepatol 21(4): A273 (2006). 92. CD Tran, JM Ball, S Sundar and GS Howarth. Time-course of dextran sulfate sodium (DSS)-induced colitis in metallothionein (MT) null (MT-/-) mice. (Oral presentation: Australian Gastroenterology Week, Adelaide, SA, October 2006). J Gastro Hepatol 21(4): A283 (2006). 93. CA Mauger, RN Butler, MS Geier, KL Tooley and GS Howarth. Use of the sucrose breath test to assess probiotic effects on small bowel injury in the rat. (Oral presentation: Australian Gastroenterology Week, Adelaide, SA, October 2006). J Gastro Hepatol 21(4): A284 (2006). 94. CD Tran, JM Ball, S Sundar and GS Howarth. Zinc supplementation and metallothionein (MT) in dextran sulfate sodium (DSS)-induced ulcerative colitis. (Oral presentation: Australian Gastroenterology Week, Adelaide, SA, October 2006). J Gastro Hepatol 21(4): A347 (2006). 95. GM Matthews, GS Howarth and RN Butler. Short-chain fatty acid modulation of cell cycle in Kato-III gastric cancer cells. (Oral presentation: Australian Gastroenterology Week, Adelaide, SA, October 2006). J Gastro Hepatol 21(4): A360 (2006). 96. G Brooke, F Dunshea, J Pluske, D Pethick, GS Howarth and R Campbell. Investigating the inclusion of fat in the diet of grower and finishing pigs. (Oral presentation: Proceedings of 2nd Pork CRC Conference, Melbourne, Vic, November 2006). 97. J Fauser, AG Cummins, RN Butler, R Campbell and GS Howarth. Fatty acid modulation of porcine enterocyte function. (Oral presentation: Proceedings of 2nd Pork CRC Conference, Melbourne, Vic, November 2006). 98. GM Matthews, GS Howarth and RN Butler. Inhibition of intracellular protection enhances the sensitivity of Kato III gastric cancer cells to SCFA-induced apoptosis. (Poster presentation. Lorne Cancer Conference, Lorne, Vic, February 2007). 99. R Yazbeck, GS Howarth, H-U Demuth, JJ Holst, D Marguet and CA Abbott. Inhibition of Dipeptidyl Peptidase Activity Increases Circulating Glucagon-like Peptide-2 and Decreases Neutrophil Infiltration during Experimental Colitis in Mice. (Poster presentation. Digestive Diseases Week, Washington DC, USA, May 2007). Gastroenterology 132(4): Supplement 2: A-369 (2007). 100. CL Smith, RN Butler and GS Howarth. Lactobacillus fermentum BR11 and Fructo-oligosaccharide Partially Reduce Jejunal Inflammation but not Overall Damage Severity of 5-Flourouracil-Induced Mucositis in Rats. (Poster presentation. Digestive Diseases Week, Washington DC, USA, May 2007). Gastroenterology 132(4): Supplement 2: A-714 (2007). 101. CL Smith, MS Geier, RN Butler and GS Howarth. Dextran Sulfate Sodium-Induced Crypt Hyperplasia in the Jejunum and Ileum is Partially-Prevented by Oral Administration of Lactobacillus fermentum BR11 and Bifidobacterium lactis Bb12 to Rats. (Poster presentation. Digestive Diseases Week, Washington DC, USA, May 2007). Gastroenterology 132(4): Supplement 2: A-370 (2007). 102. DM Torres, RN Butler and GS Howarth. Lyprinol (stabilised lipid extract of New Zealand green-Lipped Mussel) Partially-Protects from 5-Fluorouracil-induced mucositis in Rats. (Poster presentation. Digestive Diseases Week, Washington DC, USA, May 2007). Gastroenterology 132(4): Supplement 2: A-570 (2007). 103. REA Forder, DR Tivey, GS Howarth, G Firth and RJ Hughes. Changes in ileal mucin production through interactions with intestinal microflora during early post-hatch development of poultry. (Poster presentation. Digestive Diseases Week, Washington DC, USA, May 2007). Gastroenterology 132(4): Supplement 2: A-551 (2007). 104. ALK Roberts, S Moretta, JM Fletcher, GS Howarth, KA Lymn and S Byers. Gastrointestinal pathology in a mouse model of mucopolysaccharidosis type IIIA (MPS IIIA). (Poster presentation. Digestive Diseases Week, Washington DC, USA, May 2007). Gastroenterology 132(4): Supplement 2: A-537 (2007). 105. RN Butler, GS Howarth, MS Geier, R Yazbeck, CL Smith, KA Lymn, GP Davidson and L Borges. Palifermin regulates intestinal function and protects against 5-FU-induced mucositis. (Poster presentation at Multi-National Association of Supportive Care in Cancer, St Gallen, Switzerland, June 2007). 106. T Price, L Morelli, GS Howarth, J Webster, B Zacharakis, C Brooker, DM Keefe, P Bardy, KL Tooley, GP Davidson, RN Butler. Residual damage to the small intestine induced by chemotherapy can be detected and monitored using the non-invasive 13C sucrose breath test (SBT) (European Association for Cancer Research, ECCO 14, Barcelona, Spain, September 2007). EJC Supplements 5(4): 152 (2007). 107. R Yazbeck, GS Howarth, H-U Demuth, JJ Holst and CA Abbott. Inhibition of Dipeptidyl Peptidase Activity Increases Circulating Glucagon-like Peptide-2 and Partially Attenuates Neutrophil Infiltration during Experimental Colitis in Mice. (Hepatology and Luminal Research Workshop, Hunter Valley, NSW, June 2007). 108. MS Geier, RN Butler, PM Giffard and GS Howarth. Supplementation with the prebiotic fructo-oligosaccharide increases the severity of experimental colitis in rats. (Hepatology and Luminal Research Workshop, Hunter Valley, NSW, June 2007). 109. JK Fauser, GS Howarth, RN Butler and AG Cummins. Effect of blockade of wnt signalling during postnatal growth of the small intestine. (Oral 16: Australian Society for Medical Research – SA Section, Adelaide, SA, June 2007). 110. JK Fauser, RN Butler, AG Cummins and GS Howarth. Medium-chain fatty acid induction of cell death in the Caco-2 and IEC-6 cell lines. (Poster 17: Australian Society for Medical Research – SA Section, Adelaide, SA, June 2007). 111. DM Torres, RN Butler, KL Tooley, CL Smith, MS Geier and GS Howarth. Lyprinol (stabilised lipid extract of New Zealand green-Lipped Mussel) Partially-Protects from 5-Fluorouracil-induced mucositis in Rats. (Poster 46: Australian Society for Medical Research – SA Section, Adelaide, SA, June 2007). 112. CL Smith, RN Butler, R Yazbeck, DM Torres, MS Geier and GS Howarth. Lactobacillus fermentum BR11 and Fructo-oligosaccharide Partially Reduce Jejunal Inflammation but not Overall Damage Severity of 5-Flourouracil-Induced Mucositis in Rats. (Poster 44: Australian Society for Medical Research – SA Section, Adelaide, SA, June 2007). 113. R Yazbeck, CA Abbott, S Mashtoub, A Wendland, M Leach, R Jennings, H-U Demuth, D Marguet and GS Howarth. Dextran Sulphate Sodium Induced Colitis Modifies Small Intestinal Villus Height and Crypt Depth Potentially Regulated by Dipeptidyl Peptidase Activity. (Oral 48: Australian Society for Medical Research – SA Section, Adelaide, SA, June 2007). 114. R Yazbeck, GS Howarth, H-U Demuth, JJ Holst and CA Abbott. Inhibition of Dipeptidyl Peptidase Activity Increases Circulating Glucagon-like Peptide-2 and Decreases Neutrophil Infiltration during Experimental Colitis in Mice. (Oral 47: Australian Society for Medical Research – SA Section, Adelaide, SA, June 2007). 115. G. Brooke, A.C. Edwards, J.R. Pluske, G.S. Howarth, R.G. Campbell and F.R. Dunshea. Pig – The ideal model of Dietary Fat and Obesity related problems. (Oral 7: Australian Society for Medical Research – SA Section, Adelaide, SA, June 2007). 116. S Sundar, CD Tran and GS Howarth. Dietary zinc supplementation and methotrexate-induced small intestinal mucositis in metallothionein-knock out and wild type mice. Poster 47: Australian Society for Medical Research – SA Section, Adelaide, SA, June 2007; and FASEB Journal 21(6): A1120 (2007). 117. G Brooke, AC Edwards, JR Pluske, GS Howarth, RG Campbell and FR Dunshea. Supplemental dietary fat increases growth performance of grower and finisher pigs. (11th Biennial Conference of the Australasian Pig Science Association, Brisbane, Queensland, November 2007). 118. DM Torres, RN Butler, KL Tooley, CL Smith, MS Geier and GS Howarth. Lyprinol (stabilised lipid extract of New Zealand Green-Lipped Mussel) Partially-Protects from 5-Fluorouracil-induced mucositis in Rats. (Oral Presentation, Australian Gastroenterology Week, Perth, WA, October 2007). J Gastro Hepatol 22(3): A309 (2007). 119. JK Fauser, GS Howarth, RN Butler and AG Cummins. Effect of blockade of wnt signalling during postnatal growth of the small intestine. (Poster Presentation, Lorne Cancer Conference (2008) and Australian Gastroenterology Week, Perth, WA, October 2007). J Gastro Hepatol 22(3): A324 (2007). 120. CL Smith, RN Butler and GS Howarth. Lactobacillus fermentum BR11 and Fructo-oligosaccharide Partially Reduce Jejunal Inflammation but not Overall Damage Severity of 5-Flourouracil-Induced Mucositis in Rats. (Poster Presentation, Australian Gastroenterology Week, Perth, WA, October 2007). J Gastro Hepatol 22(3): A308 (2007). 121. JK Fauser, RN Butler, AG Cummins, GM Matthews and GS Howarth. Medium-chain fatty acid induction of cell death in the Caco-2 and IEC-6 cell lines. (Poster Presentation: Lorne Cancer Conference (2008) and Oral Presentation, Australian Gastroenterology Week, Perth, WA, October 2007). J Gastro Hepatol 22(3): A408 (2007). 122. R Yazbeck, CA Abbott, S Mashtoub, A Wendland, M Leach, R Jennings, H-U Demuth, D Marguet and GS Howarth. Dextran Sulphate Sodium Induced Colitis Modifies Small Intestinal Villus Height and Crypt Depth Potentially Regulated by Dipeptidyl Peptidase Activity (Poster Presentation, Australian Gastroenterology Week, Perth, WA, October 2007; also Falk IBD Conference, Dresden, Germany, October 2007). J Gastro Hepatol 22(3): A301 (2007). 123. R Yazbeck, GS Howarth, H-U Demuth, JJ Holst and CA Abbott. Inhibition of Dipeptidyl Peptidase Activity Increases Circulating Glucagon-like Peptide-2 and Decreases Neutrophil Infiltration during Experimental Colitis in Mice. (Poster Presentation, Australian Gastroenterology Week, Perth, WA; also Falk IBD Conference, Dresden, Germany; and 5th annual meeting of the International Proteolysis Society, Patras, Greece, October 2007). J Gastro Hepatol 22(3): A306 (2007). 124. GM Matthews, GS Howarth and RN Butler. Differential induction of apoptosis by butyrate in Kato-III and Caco-2 cells is related to the rate of butyrate metabolism and p53 status. (Poster Presentation, Australian Gastroenterology Week, Perth, WA, October 2007). J Gastro Hepatol 22(3): A302 (2007). 125. K Brice, KA Lymn, SJ Pain, RN Butler and GS Howarth. Effects of fasting and diet on the 13C-sucrose breath test in rats. (Australian and New Zealand Laboratory Animal Association Inaugural Conference, Adelaide, SA, September 2007). 126. BM Konsak, TM Crowley, RJ Hughes, GS Howarth and RJ Moore. Gene expression studies in the functionally-mature intestinal tract of the chicken. (Oral Presentation, CSIRO Avian Immunology Conference, Gold Coast, Queensland (June 2008) and 23rd World’s Poultry Congress, Brisbane, Queensland, July 2008). World’s Poultry Science Journal 64 (2): 120 (2008). 127. JK Fauser, GS Howarth, RN Butler and AG Cummins. Effect of blockade of wnt signalling during postnatal growth of the small intestine. (Poster Presentation, Digestive Diseases Week, San Diego, Ca, USA, May 2008). Gastroenterology 134(4): Supplement 1: A-574 (2008). 128. REA Forder, C Masselot-Robbe, GS Howarth and RJ Hughes. Influence of bacterial colonisation on glycosylation of intestinal mucin oligosaccharides during early development. (Poster Presentation, Digestive Diseases Week, San Diego, Ca, USA, May 2008). Gastroenterology 134(4): Supplement 1: A-707 (2008). (Oral Presentation, 23rd World’s Poultry Congress, Brisbane, July 2008). World’s Poultry Science Journal 64 (2): 366 (2008). 129. KY Cheah, SEP Bastian, RN Butler, C Payne, KA Lymn, R Yazbeck, TH Wright, EJ Whitford, GR Sander and GS Howarth. An extract from grape seed protects IEC-6 cells from chemotherapy-induced cytotoxicity and improves parameters of small intestinal mucositis in rats with experimentally-induced mucositis. (Poster Presentation, Digestive Diseases Week, San Diego, Ca, USA, May 2008). Gastroenterology 134(4): Supplement 1: A-530 (2008). 130. TH Wright, RN Butler, KA Lymn, R Yazbeck, KY Cheah, EJ Whitford, GR Sander and GS Howarth. The herbal extract, Iberogast, partially improves small intestinal integrity in rats with mucositis induced by 5-Fluorouracil. (Poster Presentation, Digestive Diseases Week, San Diego, Ca, USA, May 2008). Gastroenterology 134(4): Supplement 1: A-530 (2008). 131. R Yazbeck, CA Abbott, S Mashtoub, A Wendland, M Leach, R Jennings, H-U Demuth, D Marguet and GS Howarth. Dextran Sulphate Sodium Induced Colitis Modifies Small Intestinal Villus Height and Crypt Depth Potentially Regulated by Dipeptidyl Peptidase Activity (Poster Presentation, Digestive Diseases Week, San Diego, Ca, USA, May 2008). Gastroenterology 134(4): Supplement 1: A-525 (2008). 132. R Yazbeck, M Sulda, GS Howarth, JJ Holst, HU Demuth and CA Abbott. Resolving how inhibition of Dipeptidyl Peptidase Activity can ameliorate DSS-induced colitis in mice (Ross Wishart award finalist RW4 - Oral Presentation, Australian Society for Medical Research – SA Section, Adelaide, June 2008). Oral Presentation, Australian Gastroenterology Week, Brisbane, October 2008. J Gastro Hepatol 23(4): A210 (2008). 133. EJ Whitford, AG Cummins, RN Butler, KA Lymn, JK Fauser, R Yazbeck, A Lawrence, KY Cheah, TH Wright, KL Tooley, L Prisciandaro and GS Howarth. Effects of the new probiotic Streptococcus thermophilus TH-4, and its derivatives, on severity of mucositis induced by 5-Fluorouracil in rats. (Poster Presentation P36: Australian Society for Medical Research – SA Section, Adelaide, June 2008 and Oral Presentation, Australian Gastroenterology Week, Brisbane, October 2008). J Gastro Hepatol 23(4): A294 (2008). 134. TH Wright, RN Butler, KA Lymn, R Yazbeck, KY Cheah, EJ Whitford, GR Sander, S Mashtoub and GS Howarth. The herbal extract, Iberogast, partially improves small intestinal integrity in rats with mucositis induced by 5-Fluorouracil. (Poster Presentation P34: Australian Society for Medical Research – SA Section, Adelaide, June 2008 and Poster Presentation Australian Gastroenterology Week, Brisbane, October 2008). J Gastro Hepatol 23(4): A200 (2008). 135. KY Cheah, SEP Bastian, RN Butler, C Payne, KA Lymn, R Yazbeck, TH Wright, EJ Whitford, GR Sander and GS Howarth. An extract from grape seed protects IEC-6 cells from chemotherapy-induced cytotoxicity and improves parameters of small intestinal mucositis in rats with experimentally-induced mucositis. (Poster Presentation P29: Australian Society for Medical Research – SA Section, Adelaide, June 2008 and Poster Presentation and Poster of Merit, Australian Gastroenterology Week, Brisbane, October 2008). J Gastro Hepatol 23(4): A204 (2008). 136. RJ Lindsay, MS Geier, RN Butler and GS Howarth. Effects of Emu Oil on small intestinal integrity in rats with mucositis induced by 5-Fluorouracil. (Oral Presentation O40: Australian Society for Medical Research – SA Section, Adelaide, June 2008; also Oral and Poster Presentations, 4th International Ratite Scientific Symposium, Brisbane, July 2008 World’s Poultry Science Journal 64 (2): 670 (2008) and Oral Presentation Australian Gastroenterology Week, Brisbane, October 2008. J Gastro Hepatol 23(4): A211 (2008). Poster Presentation: Digestive Diseases Week, Chicago, USA. Gastroenterology 136(5): A-717 (2009). 137. RN Butler, GS Howarth, R Yazbeck, KA Lymn, GP Davidson and L Borges. SBT index for rapid detection of new bioactives in intestinal mucositis. Poster Presentation Australian Gastroenterology Week, Brisbane, October 2008. J Gastro Hepatol 23(4): A205 (2008). 138. GS Howarth, RJ Lindsay, RN Butler and MS Geier. Can Emu Oil ameliorate inflammatory disorders affecting the gastrointestinal system?. (Oral Presentation, 4th International Ratite Scientific Symposium, Brisbane, July 2008). World’s Poultry Science Journal 64 (2): 669 (2008). 139. LD Prisciandaro, JK Fauser, RN Butler, AG Cummins and GS Howarth. Soluble products secreted from the newly identified probiotic, Lactobacillus fermentum BR11, improves viability of rat intestinal cells. Oral Presentation. Nutrition Society of Australia, 32nd Annual Scientific Meeting, Adelaide, December 2008. Asia Pacific Journal of Clinical Nutrition 17 (3): S57 (2008). 140. S Mashtoub, RJ Lindsay, KA Lymn, TMJ Acott, AG Cummins, RN Butler and GS Howarth. Emu Oil improves aspects of colonic integrity in a rat model of ulcerative colitis. Poster Presentation. Nutrition Society of Australia, 32nd Annual Scientific Meeting, Adelaide, December 2008. Asia Pacific Journal of Clinical Nutrition 17 (3): S48 (2008). 141. GS Howarth, RJ Lindsay, KY Cheah, KL Tooley and RN Butler. Bioactive factors and bowel disease. Invited Oral Presentation. Nutrition Society of Australia, 32nd Annual Scientific Meeting, Adelaide, December 2008. Asia Pacific Journal of Clinical Nutrition 17 (3): S37 (2008). 142. LD Prisciandaro, MS Geier, RN Butler, AG Cummins and GS Howarth. Factors secreted from Lactobacillus fermentum BR11 and Escherichia coli Nissle 1917 as a potential therapy for 5-Fluorouracil induced mucositis: a pilot study. Poster Presentation. Multinational Association of Supportive Care in Cancer, Rome, Italy. Supportive Care in Cancer 17(7): 913 (2009). 143. LD Prisciandaro, MS Geier, RN Butler, AG Cummins and GS Howarth. Compounds secreted from Escherichia coli Nissle 1917, Streptococcus thermophilus TH-4 and Lactobacillus fermentum BR11 maintain intestinal cell viability following 5-Fluorouracil administration in vitro. Poster Presentation. Multinational Association of Supportive Care in Cancer (MASCC) and also Oral Presentation, MASCC Mucositis Satellite Workshop, Rome, Italy. Supportive Care in Cancer 17(7): 913 (2009). 144. KY Cheah, SEP Bastian, TMV Acott, RN Butler and GS Howarth. Grape Seed Extract and alleviation of chemotherapy-induced intestinal injury and inflammatory bowel disease. Poster Presentation. Multinational Association of Supportive Care in Cancer (MASCC) and also Oral Presentation, MASCC Mucositis Satellite Workshop, Rome, Italy. Supportive Care in Cancer 17(7): 905 (2009). 145. S Mashtoub, RJ Lindsay, RN Butler and GS Howarth. Emu Oil promotes repair from chemotherapy-induced intestinal injury and large bowel inflammation. Poster Presentation. Multinational Association of Supportive Care in Cancer, Rome, Italy. Supportive Care in Cancer 17(7): 910 (2009). 146. JK Fauser, RN Butler, AG Cummins, GM Matthews and GS Howarth. Fatty acids: Novel anti-cancer therapeutics. Poster Presentation: World Congress on Oils and Fats, Sydney, Australia (2009). 147. BM Konsak, TM Crowley, RJ Hughes, GS Howarth and RJ Moore. Gene expression studies in the naïve and mature ileum of the chicken. 17th European Symposium on Poultry Nutrition, Edinburgh, United Kingdom (2009). 148. S Mashtoub, RJ Lindsay, KA Lymn, TWV Acott, R Yazbeck, AG Cummins, RN Butler and GS Howarth. Emu oil increases crypt depth but fails to affect other indicators of colonic integrity in a rat model of colitis. Oral Presentation O28 Australian Society for Medical Research – SA Section, Adelaide, South Australia and Oral Presentation, World Congress on Oils and Fats, Sydney, Australia (2009). 149. R Yazbeck, GS Howarth, RN Butler, MS Geier and CA Abbott. Dipeptidyl peptidase-IV inhibitors and small intestinal adaptations during experimental colitis. Oral Presentation O26: Australian Society for Medical Research – SA Section, Adelaide, South Australia; also Hepatology and Luminal Research Workshop. Yarra Valley, Victoria, Australia (2009). 150. M Vu, B Hoang, XD Ding, M Sultani, S Mashtoub, RJ Lindsay, KA Lymn, RN Butler and GS Howarth. A safety study of Emu Oil as a potential adjunctive treatment for Ulcerative Colitis and Mucositis. Poster Presentation P33: Australian Society for Medical Research – SA Section, Adelaide, South Australia (2009). 151. KY Cheah, SEP Bastian, TMV Acott, RN Butler and GS Howarth. Grape Seed Extract and alleviation of chemotherapy-induced intestinal injury and inflammatory bowel disease. Poster Presentation P40: Australian Society for Medical Research – SA Section, Adelaide, South Australia (2009). 152. LD Prisciandaro, MS Geier, RN Butler, AG Cummins and GS Howarth. Compounds secreted from Escherichia coli Nissle 1917, Streptococcus thermophilus TH-4 and Lactobacillus fermentum BR11 maintain intestinal cell viability following 5-Fluorouracil administration in vitro. Oral Presentation O12: Australian Society for Medical Research – SA Section, Adelaide, South Australia (2009). 153. JK Fauser, RN Butler, AG Cummins and GS Howarth. Fatty acids: Novel anti-cancer therapeutics. Oral Presentation O31: Australian Society for Medical Research – SA Section, Adelaide, South Australia (2009). 154. RR Nadhanan, MA Scherer, GS Howarth, RJ Lindsay, T Shandala and CJ Xian. Dietary Emu Oil supplementation may suppress 5-Fluorouracil chemotherapy-induced formation of bone resorptive cells (osteoclasts). Oral Presentation O39: Australian Society for Medical Research – SA Section, Adelaide, South Australia (2009). 155. CJ Xian, CM Fan, JC Cool, MA Scherer, T King, K Georgiou, RR Nadhanan, GS Howarth, T Shandala and BK Foster. Pathophysiology and prevention of cancer chemotherapy-induced bone growth defects. Bone 45(2): S103 (2009). 156. LD Prisciandaro, MS Geier, RN Butler, AG Cummins and GS Howarth. Probiotic factors maintain intestinal cell viability following 5-Fluorouracil administration in vitro. Oral Presentation. Australian and New Zealand Medical and Surgical Gastrointestinal Week. Sydney, New South Wales, Australia. J Gastro Hepatol 24(2): A328 (2009). 157. S Mashtoub, RJ Lindsay, KA Lymn, TWV Acott, R Yazbeck, AG Cummins, RN Butler and GS Howarth. Emu oil increases crypt depth but fails to affect other indicators of colonic integrity in a rat model of colitis. Poster Presentation. Australian and New Zealand Medical and Surgical Gastrointestinal Week. Sydney, New South Wales, Australia. J Gastro Hepatol 24(2): A243 (2009). 158. JK Fauser, RN Butler, AG Cummins and GS Howarth. Fatty acids: Novel anti-cancer therapeutics. Poster Presentation. Australian and New Zealand Medical and Surgical Gastrointestinal Week. Sydney, New South Wales, Australia. J Gastro Hepatol 24(2): A328 (2009). 159. KY Cheah, SEP Bastian, TMV Acott, RN Butler and GS Howarth. Effects of Grape Seed Extract in a rat model of inflammatory bowel disease. Poster Presentation. Australian and New Zealand Medical and Surgical Gastrointestinal Week. Sydney, New South Wales, Australia. J Gastro Hepatol 24(2): A243 (2009). 160. CD Tran, S Sundar, GS Howarth and RN Butler. Use of the 13c-sucrose breath test to assess small bowel integrity in methotrexate-induced mucositis following zinc supplementation in metallothionein-knockout and wild-type mice. Oral Presentation. Australian and New Zealand Medical and Surgical Gastrointestinal Week. Sydney, New South Wales, Australia. J Gastro Hepatol 24(2): A328 (2009). 161. M Vu, B Hoang, XD Ding, M Sultani, S Mashtoub, RJ Lindsay, KA Lymn, RN Butler and GS Howarth. A safety study of Emu Oil as a potential adjunctive treatment for Ulcerative Colitis and Mucositis. Poster Presentation. Australian and New Zealand Medical and Surgical Gastrointestinal Week. Sydney, New South Wales, Australia. J Gastro Hepatol 24(2): A240 (2009). 162. R Yazbeck, GS Howarth, RN Butler, MS Geier and CA Abbott. Dipeptidyl peptidase-IV inhibitors and small intestinal adaptations during experimental colitis. Oral Presentation. Australian and New Zealand Medical and Surgical Gastrointestinal Week. Sydney, New South Wales, J Gastro Hepatol 24(2): A336 (2009); also 6th General Meeting of the International Proteolysis Society. Gold Coast, Queensland (2009). 163. GS Howarth. Bioactive factors and bowel disease. Oral Presentation. The Enteric Nervous System Workshop (Proceedings). Adelaide, South Australia (2009). 164. R Yazbeck, GS Howarth, RN Butler, MS Geier and CA Abbott. Dipeptidyl peptidase-IV inhibitors and small intestinal adaptations during experimental colitis. Digestive Diseases Week, New Orleans, USA (2010). 165. CD Tran, GS Howarth and RN Butler. Use of the sucrose breath test to assess methotrexate-induced mucositis following zinc supplementation. Experimental Biology 2010. Anaheim, USA (2010). 166. BM Konsak, TM Crowley, RJ Hughes, GS Howarth and RJ Moore. Understanding the Transition from the Naïve Gut to the Functionally Mature Gut. 13th European Poultry Conference, Aix-En-Provence Area, Tours, France (2010). 167. RR Nadhanan, MA Scherer, T Shandala, Y-W Su, GS Howarth, S Mashtoub and CJ Xian. Dietary Emu Oil supplementation may suppress chemotherapy-induced formation of bone-resorptive cells osteoclasts and prevent bone loss. Australian Society for Medical Research (SA Section) (2010). 168. LD Prisciandaro, MS Geier, RN Butler, AG Cummins and GS Howarth. Pre-treatment with probiotic factors protects intestinal cells from 5-Fluorouracil induced changes in transepithelial resistance and caspase 3/7 activation. Oral Presentation O2. Australian Society for Medical Research (SA Section) (2010). 169. B Hoang, S Mashtoub, M Vu, KA Lymn, RN Butler, R Yazbeck and GS Howarth. A Traditional Chinese Medicine Formulation Partially Normalises Crypt Architecture in Experimental Colitis. Oral Presentation P10. Australian Society for Medical Research (SA Section) (2010). 170. M Vu, S Mashtoub Abimosleh, B Hoang, KA Lymn, C Feinle-Bisset and GS Howarth. Clinical, structural and biochemical effects of the multi-herb extract, Iberogast, in an experimental model of ulcerative colitis. Poster Presentation P29. Australian Society for Medical Research (SA Section) (2010). 171. KY Cheah, GS Howarth and SEP Bastian. Grape Seed Extract improves parameters of small intestinal mucositis in rats in a dose responsive manner. Oral Presentation O3. Australian Society for Medical Research (SA Section) (2010). 172. GS Howarth, J Woenig, R Donato, P Grover and AG Cummins. Inhibition of Notch signalling by the gamma-secretase inhibitor, DAPT, decreases postnatal intestinal growth in the rat. Poster Presentation P52. Australian Society for Medical Research (SA Section); also Poster Presentation, Australian Gastroenterology Week, Gold Coast, Queensland. J Gastro Hepatol 25(3): A11 (2010). 173. J McNicholl, P Stott, GS Howarth and S Hazel. Heat stress in canine athletes. Poster Presentation. Universities Federation for Animal Welfare, York, United Kingdom (2010). 174. LD Prisciandaro, MS Geier, RN Butler, AG Cummins and GS Howarth. Pre-treatment with probiotic factors protects intestinal cells from 5-Fluorouracil induced changes in transepithelial resistance and caspase 3/7 activation. Poster Presentation, Australian Gastroenterology Week, Gold Coast, Queensland. J Gastro Hepatol 25(3): A112 (2010). 175. S Mashtoub Abimosleh, RN Butler and GS Howarth. Emu oil effects on intestinal repair in the rat. Poster Presentation, Australian Gastroenterology Week, Gold Coast, Queensland. J Gastro Hepatol 25(3): A12 (2010). 176. H Atkins, MS Geier, A Pattanaik, REA Forder, R Yazbeck, RN Butler and GS Howarth. Effects of the CyuC mutant probiotic on experimental colitis in rats. Poster Presentation and Poster of Merit, Australian Gastroenterology Week, Gold Coast, Queensland. J Gastro Hepatol 25(3): A17 (2010). 177. B Hoang, M Vu, S Mashtoub, KA Lymn, RN Butler, R Yazbeck and GS Howarth. Effects of a Traditional Chinese Medicine formulation and the herbal extract, Iberogast, in a rat model of colitis. Poster Presentation, Australian Gastroenterology Week, Gold Coast, Queensland. J Gastro Hepatol 25(3): A82 (2010). 178. RR Nadhanan, MA Scherer, T Shandala, Su Y-W, GS Howarth, SM Abimosleh and CJ Xian. Dietary Emu Oil supplementation may suppress chemotherapy-induced formation of bone-resorptive cells osteoclasts and prevent bone loss. Oral Presentation P16, Australia and New Zealand Bone and Mineral Society. Adelaide, South Australia (2010). 179. KY Cheah, SEP Bastian and GS Howarth. Dose responsiveness of Grape Seed Extract in a rat model of mucositis. Oral Presentation, Australian Gastroenterology Week, Gold Coast, Queensland. J Gastro Hepatol 25(3): A114 (2010). 180. S Mashtoub Abimosleh, RN Butler and GS Howarth. Effects of Emu oil during the recovery phase of intestinal mucositis in rats. Poster Presentation. Nutrition Society of Australia, Perth, Western Australia (2010). 181. RJ Lindsay, MS Geier, RN Butler and GS Howarth. Effects of prebiotics on metabolism parameters in a rat model of chemotherapy-induced mucositis. Poster Presentation, Australian Gastroenterology Week, Gold Coast, Queensland. J Gastro Hepatol 25(3): A5 (2010). 182. J Woenig, R Donato, P Grover, GS Howarth and AG Cummins. Inhibition of Notch signalling by DAPT decreases postnatal intestinal growth in the rat. Poster Presentation. 5th Australian Health and Medical Research Congress, Melbourne, Victoria (2010). 183. S Mashtoub Abimosleh, CD Tran and GS Howarth. Emu oil promotes repair from chemotherapy-induced intestinal mucositis in rats. Poster Presentation. Australian Gastroenterology Week, Brisbane, Queensland, J Gastro Hepatol 26(4): 15 (2011); and Poster Presentation, Multinational Association of Supportive Care in Cancer (MASCC), Athens, Greece. Supportive Care in Cancer 19 (2):A390 (2011). 184. LD Prisciandaro, MS Geier, RN Butler, AG Cummins and GS Howarth. Pre-treatment with probiotic factors protects intestinal cells from 5-Fluorouracil induced changes in transepithelial resistance and caspase 3/7 activation. Poster Presentation, Multinational Association of Supportive Care in Cancer (MASCC), Athens, Greece Supportive Care in Cancer 19 (2):A151 (2011). 185. CL Brook, R Yazbeck, A Lawrence and GS Howarth. Streptococcus thermophilus TH-4 and effects on Doxorubicin-induced mucositis. Poster Presentation, Digestive Diseases Week, Chicago, USA; and Multinational Association of Supportive Care in Cancer (MASCC), Athens, Greece (2011). 186. RJ Lindsay, MS Geier, RN Butler and GS Howarth. Effects of prebiotics on metabolism parameters in a rat model of chemotherapy-induced mucositis. Poster Presentation. Multinational Association of Supportive Care in Cancer (MASCC), Athens, Greece. Supportive Care in Cancer 19 (2):A387 (2011). 187. J Woenig, P Grover, GS Howarth, IC Roberts-Thompson and AG Cummins. Inhibition of Notch signalling decreases crypt fission but increases apoptosis of crypt cells in the small intestine of the infant rat. Poster Presentation. Digestive Diseases Week, Chicago, USA. Gastroenterology 140(5): S472 (2011). 188. KY Cheah, SEP Bastian and GS Howarth. Grape Seed Extract: a potential adjunct to chemotherapy. Poster Presentation: P19, Australian Society for Medical Research (SA Section) and Oral Presentation. Australian Gastroenterology Week, Brisbane, Queensland. J Gastro Hepatol 26(4): 90 (2011). 189. S Mashtoub Abimosleh, CD Tran and GS Howarth. Emu oil promotes repair from chemotherapy-induced intestinal mucositis in rats. Oral Presentation. Nutrition Society of Australia, Queenstown, New Zealand. Aust Med J. 4(12): 704-716 (2011). 190. EN Schaefer, JO Harris, DAJ Stone and GS Howarth. Histological changes in Haliotis laevigata in response to different dietary protein levels and water temperatures. Oral Presentation. 8th International Abalone Symposium, Hobart, Tasmania (2012). 191. L Wright, REA Forder, GS Howarth and DA Trott. Variable and strain-dependent adhesion of commensal and pathogenic Escherichia coli to the small intestine of low bacterial load and conventionally-reared chicks. Oral Presentation. World’s Poultry Congress, Salvador, Bahia, Brazil (2012). 192. SM Abimosleh, REA Forder, Z Lotfollahi, J Papini, L Hoyle, D Stomaci, E Penascoza, CD Tran, KA Lymn, RN Butler and GS Howarth.. Orally-administered Emu Oil maintains intestinal goblet cell numbers and improves barrier function in a rat model of chemotherapy-induced mucositis. Poster Presentation. World’s Poultry Congress, Salvador, Bahia, Brazil (2012). 193. GS Howarth, RN Butler, S Salminen, GA Gibson and SM Donovan. Probiotics and their derived factors: pre-clinical systems to identify efficacy. Oral Presentation. S247. Experimental Biology 2012, San Diego, California (2012). 194. SM Abimosleh, Z Lotfollahi, J Papini, L Hoyle, D Stomaci, E Penascoza, CD Tran, KA Lymn, RN Butler and GS Howarth.. Orally-administered Emu Oil maintains intestinal goblet cell numbers and improves barrier function in a rat model of chemotherapy-induced mucositis. Poster Presentation P46, Australian Society for Medical Research (SA Section), Adelaide, SA; and Poster Presentation. Multinational Association of Supportive Care in Cancer (MASCC), New York, USA Supp Care Cancer 20(1): 627 (2012). 195. M Bansemer, REA Forder, GS Howarth, JN Bowyer and DA Stone. Effects of solvent extracted soybean meal and water temperature on the intestinal mucus layer and the development of sub-acute enteritis in Yellowtail Kingfish Seriola lalandi. Oral Presentation. Skretting Australasian Aquaculture Conference, Melbourne, Victoria (2012). 196. DA Stone, RP Miegel, SJ Pain and GS Howarth. Water temperature affects gut transit time, digestive enzyme activity and nutrient digestibility in Yellowtail Kingfish Seriola lalandi. Oral Presentation. Skretting Australasian Aquaculture Conference, Melbourne, Victoria (2012). 197. SM Abimosleh, Z Lotfollahi, J Papini, L Hoyle, D Stomaci, E Penascoza, CD Tran, KA Lymn, RN Butler and GS Howarth.. Orally-administered Emu Oil maintains intestinal goblet cell numbers and improves barrier function in a rat model of chemotherapy-induced mucositis. Poster Presentation. Australian Gastroenterology Week, Adelaide, South Australia. J Gastro Hepatol 27(4): 17 (2012). 198. AK Samanta, VA Torok, NJ Percy, SM Abimosleh and GS Howarth. Microbial fingerprinting detects unique bacterial communities in the faecal microbiota of rats with experimentally-induced colitis. Australian Gastroenterology Week, Adelaide, South Australia. J Gastro Hepatol 27(4): 28 (2012). (g) Patent Professional AssociationsMembership of Scientific Societies
Community EngagementProfessor Howarth is an ambassador for the Cancer Council SA as part of his duties as a CCSA Research Fellow. He was a member of the School of Agriculture, Food and Wine Communication Committee as well as being the Post-Graduate Coordinator and Deputy Head of the Discipline of Agricultural and Animal Science from 2006-2009. He is currently (2010-) Chair of the HDR and Honours Committee for the School of Animal and Veterinary Sciences in addition to being a member of the School Executive, Research Committee, Animal Resource and Reference Committee and the University Institutional Biosafety Committee. Involvement in the Wider Community Expertise for Media Contact
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