The CCk-Gastrin is a family of peptide which regulate gastrointestinal functions such as gastric secretion gall bladder contraction and pancreatic secretion. These effects have been extensively studied in mammals. Birds are situated in the phylogenetical point of divergence of these two groups of peptides (CCK and Gastrin). Despite the interest of such a position, only a short number of studies have been carried out in birds. The following aspects will be studied: 1) Profiles of the different peptide of the CCk-Gastrin family in gastrointestinal tissues (RIA). 2) CCK-Gastrin cell distribution in the gastrointestinal tract. 3) Blood profiles of the different forms of CCK and Gastrin.4) Study of the activity of the different peptides on the contraction of the chicken gall-bladder
|Effective start/end date
|1/04/90 → 31/03/91
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