Orexin and orexin receptor like peptides in the gastroenteric tract of Gallus domesticus: An immunohistochemical survey on presence and distribution

被引:15
作者
Arcamone, N. [1 ]
D'Angelo, L. [1 ]
de Girolamo, P. [1 ]
Lucini, C. [1 ]
Pelagalli, A. [2 ,3 ]
Castaldo, L. [1 ]
机构
[1] Univ Naples Federico II, Dept Vet Med & Anim Prod, Naples, Italy
[2] Univ Naples Federico II, Dept Adv Biomed Sci, Naples, Italy
[3] CNR, Inst Biostruct & Bioimages, Naples, Italy
关键词
Orexins; Orexins receptors; Immunohistochemical study; Gastroenteric tract; Gallus domesticus; PREPRO-OREXIN; G-PROTEIN; EXPRESSION; CLONING; CDNA;
D O I
10.1016/j.rvsc.2014.02.002
中图分类号
S85 [动物医学(兽医学)];
学科分类号
0906 ;
摘要
This study reports the immunohistochemical localization and distribution of orexin A and B-like and their receptors-like peptides in the gastroenteric tract of chicken. The immunoreactivity is distributed in endocrine cells, nerve fibers and neurons, both in the stomach and intestine, and shows a discrete conformity with the data till now reported for Mammals. Our study suggests a possible participation of orexin-like peptides in the modulation of chicken gastroenteric activities and the preservation of their main distribution compared to Mammals. Western blot analysis has confirmed the presence of prepro-orexin and both receptors in the examined tissues. This survey represents the first evidence of the presence of orexin-like peptides in the gastroenteric tract of non mammalian species, and the results could help to better understand the alimentary control and body weight in domestic birds, which are of relevance to determine the productive factors in breeding animals. This study might also serve as a baseline for future experimental studies on the regulation of the gastroenteric functions in non mammalian Vertebrates. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:234 / 240
页数:7
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