An immunohistochemical study on endocrine cells in the neuroendocrine system of the digestive tract of milkfish Chanos chanos (Forsskal, 1775)

文献类型： 外文期刊

第一作者： Lin, Xianzhi

作者： Lin, Xianzhi;Wang, Pengfei;Ou, Youjun;Li, Jia'er;Wen, Jiufu;Lin, Xianzhi

作者机构：

关键词： Chanos chanos; digestive tract; endocrine cells; immunohistochemical technique

期刊名称：AQUACULTURE RESEARCH （ 影响因子：2.082； 五年影响因子：2.415 ）

ISSN： 1355-557X

年卷期： 2017 年 48 卷 4 期

页码：

收录情况： SCI

摘要： In this study, several kinds of endocrine cells which produce neuropeptides and hormones have been identified and located in the digestive tract of milkfish (Chanos chanos) by the immunohistochemical technique. The oesophagus, stomach (cardiacus, fundic and pyloric regions), pyloric caeca, intestine ( anterior, middle and posterior regions) and rectum were divided from the digestive tract of milkfish. The distribution and frequency of the endocrine cells produced these neuropeptides and hormones including gastrin, cholecystokinin, leuenkephalin, neuropeptide Y and somatostatin were described in these segments. Endocrine cells containing all neuropeptides and hormones immunoreactivities were present in the anterior intestine region, but no reaction was found in oesophagus. Only a few L-ENK-and SST-immunoreactive cells were detected in the pyloric caeca. Large numbers of SST-immunoreactive cells were observed in the stomach with no immunoreactivities to other neuropeptides and hormones. Two different types of endocrine cells were founded in the intestine and pyloric caeca. These results indicate that the anterior intestine region may be the main region of food digestion and absorption, and the neuropeptides and hormones regulate the food intake process by different ways in milkfish.

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