Mechanisms of action of the trefoil peptides in promoting healing in models of inflammatory bowel disease

Funding Activity

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Funded Activity Summary

Preliminary experiments from our laboratory have shown that members of a family of small proteins called trefoil peptides, found naturally in the stomach, intestine and colon, are able to shorten the healing time of ulcers and reduce inflammation, in an animal model of inflammatory bowel disease. Crohn's disease and ulcerative colitis together make up the human inflammatory bowel diseases, or IBD for short. They afflict many members of the community, are debilitating, expensive to treat, and current treatments like corticosteroids and suppressors of the immune system have unpleasant and health-threatening side effects. There are therefore good reasons for the development of new forms of therapy which will be better tolerated and which are specific in their actions. We believe that the trefoil peptides may be good candidates on which new treatments for inflammatory disease might be based. The studies outlined in this proposal will test the best route of administration, and how often to give trefoil peptides in order to relieve the symptoms of experimental IBD. In addition the effectiveness of the trefoils will be compared to other agents currently used in IBD treatment, or which are known to relieve inflammation or speed the healing of the ulcerated colon. We will also carry out experiments designed to work out the mechanisms by which the trefoils' healing effects are mediated, and finally we will characterise a new member of the trefoil peptide family which we have recently discovered.

Funded Activity Details

Start Date: 01-01-2000

End Date: 01-01-2002

Funding Scheme: NHMRC Project Grants

Funding Amount: $365,270.00

Funder: National Health and Medical Research Council

Research Topics

ANZSRC Field of Research (FoR)

Sport and exercise nutrition

ANZSRC Socio-Economic Objective (SEO)

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Other Keywords

colitis | damage repair | inflammation | inflammatory bowel disease | mechanisms of action | trefoil peptides | ulceration