Abstract
Concentrations of the candidate endocrine and paracrine peptide, peptide YY, were measured by specific radioimmunoassay in tissue extracts prepared from normal ileum, normal colon, Crohn's disease, and ulcerative colitis. In both the ascending and descending colon, there were significantly decreased mean concentrations of peptide YY in Crohn's colitis and ulcerative colitis, compared to mean concentrations in normal colon. There was no age-related decrease of concentrations of peptide YY in normal colon. The decrease in concentrations of peptide YY in colon obtained from patients with inflammatory bowel disease did not appear related either to the duration of the clinical symptoms of the disease or to the severity of colonic inflammation. Further studies of the physiological function of peptide YY in man are needed to determine whether these findings might be useful in understanding a component of the pathophysiology of idiopathic inflammatory bowel disease.
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Koch, T.R., Roddy, D.R., Carney, J.A. et al. Peptide YY concentrations in normal ileum and colon and in idiopathic inflammatory bowel disease. Digest Dis Sci 33, 1322–1328 (1988). https://doi.org/10.1007/BF01536686
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DOI: https://doi.org/10.1007/BF01536686