Chicken neuropeptide Y in the control of appetite and metabolism

Takashi Bungo, Jun ichi Shiraishi, Shin ichi Kawakami, D. Michael Denbow, Mitsuhiro Furuse

研究成果: Chapter in Book/Report/Conference proceedingChapter

抄録

Since the presence of neuropeptide Y (NPY) in the central nervous system of chickens was demonstrated in 1988, numerous studies have shown that NPY functions as a strong orexigenic factor in this species. Similar to mammals, central administration of NPY robustly stimulates ingestive behavior in chickens in a dose-dependent manner. NPY is one of the most abundant peptides in chicken brain. Fasting leads to increased NPY gene expression in this organ. Six receptor subtypes for NPY (Y1, Y2, Y4, Y5, Y6 and Y7) have been identified in chickens and their binding characteristics have been investigated. Although pharmacological studies prove that appetite stimulation by NPY in mammals is mediated by receptors Y1 and Y5, there are conflicting data between the receptor expressions and pharmacological effects in chickens. This review provides an overview of the orexigenic effect of NPY and interrelationship with appetite-related signals, and summarizes the role of the NPYergic system on feeding regulation in chickens.

本文言語英語
ホスト出版物のタイトルNeuropeptide Y
ホスト出版物のサブタイトルMolecular Structure, Role in Food Intake and Direct/Indirect Effects
出版社Nova Science Publishers, Inc.
ページ1-24
ページ数24
ISBN(印刷版)9781626184213
出版ステータス出版済み - 12 1 2013

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)

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