Immunohistochemical Identification of Peptide Hormones in the Endocrine Cells of the Gastrointestinal Tract of the Oreochromis niloticus

Authors: BERRİN GENÇER TARAKÇI, SİBEL ŞİMŞEK KÖPRÜCÜ, KENAN KÖPRÜCÜ

Abstract: The endocrine cells of gastrointestinal tract of the Oreochromis niloticus were investigated using immunohistochemical techniques. 8 antisera were tested and 3 immunoreactivities were detected: Serotonin, glucagon and somatostatin immunoreactive cells. Substance P, insulin, gastrin, calcitonin gene related peptide (CGRP) and calbindin immunoreactive cells were not found.

Keywords: Oreochromis niloticus, immunohistochemical techniques, endocrine cells, gastrointestinal tract

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