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Turk J Gastroenterol. 2011 Aug;22(4):388-94.

Does glucagon like peptide-2 receptor expression have any effect on the development of human colorectal cancer?

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Dokuz Eylül University Hospital, Department of Gastroenterology, İzmir, Turkey.



Glucagon like peptide-2 may play an important role in human colon cancer and polyp development because of its proliferative and antiapopitotic effects especially in colon. In this study, we investigated the role of human glucagon like peptide and it's receptor in development of human colorectal carcinogenesis.


The study includes 30 patients in colon cancer group and 20 patients in colonic polyp group who have been diagnosed by endoscopic and pathologic examination in Dokuz Eylül University, Department of Gastroenterology within 2 year-period. For comparison biopsies were taken from normal appearing colonic mucosa of the same patient. The cancer, polyp and normal colon mucosa samples were stained with glucagon like peptide receptor antibody by immunohistochemical method.


Glucagon like peptide 2 receptor positivity of colon cancer patients was 20 % (6/30) in focal cytoplasmic coloration while it was 0 % in colonic adenomas and 100 % in enteroendocrine cells of normal colonic mucosa. Statistically significant differences were found by the comparison of colonic polyp and normal colonic tissue (p=0.000), colonic cancer and normal colonic tissue (p=0.000) and colonic polyp and cancer tissues (p= 0.023).


Glucagon like peptide-2 receptor expression in colonic adenomas was not detected in human in contrary to the study on mice. Our study suggested that Glucagon like peptide-2 receptor expression is not a factor in adenoma-cancer pathogenesis. More studies are needed on this subject with more facts and different methods.

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