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Avian Orexin: Feed Intake Regulator or Something Else?
 
 
Review

Avian Neuropeptide Y: Beyond Feed Intake Regulation

1
Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA
2
Animal Nutrition and Welfare Service, Department of Animal and Food Sciences, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
3
École Universitaire de Kinésithérapie, Université d’Orléans, Rue de Chartres, 45100 Orleans, France
*
Author to whom correspondence should be addressed.
Academic Editors: Lucianna Maruccio and Carla Lucini
Vet. Sci. 2022, 9(4), 171; https://doi.org/10.3390/vetsci9040171
Received: 2 March 2022 / Revised: 28 March 2022 / Accepted: 29 March 2022 / Published: 1 April 2022
(This article belongs to the Special Issue Neuropeptides: Role and Function in Species of Veterinary Interest)
Neuropeptide Y (NPY) is one of the most abundant and ubiquitously expressed neuropeptides in both the central and peripheral nervous systems, and its regulatory effects on feed intake and appetite- have been extensively studied in a wide variety of animals, including mammalian and non-mammalian species. Indeed, NPY has been shown to be involved in the regulation of feed intake and energy homeostasis by exerting stimulatory effects on appetite and feeding behavior in several species including chickens, rabbits, rats and mouse. More recent studies have shown that this neuropeptide and its receptors are expressed in various peripheral tissues, including the thyroid, heart, spleen, adrenal glands, white adipose tissue, muscle and bone. Although well researched centrally, studies investigating the distribution and function of peripherally expressed NPY in avian (non-mammalian vertebrates) species are very limited. Thus, peripherally expressed NPY merits more consideration and further in-depth exploration to fully elucidate its functions, especially in non-mammalian species. The aim of the current review is to provide an integrated synopsis of both centrally and peripherally expressed NPY, with a special focus on the distribution and function of the latter. View Full-Text
Keywords: neuropeptide Y; feed intake regulation; adipose tissue; liver; immune system; gut; muscle; bone; chickens neuropeptide Y; feed intake regulation; adipose tissue; liver; immune system; gut; muscle; bone; chickens
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MDPI and ACS Style

Greene, E.S.; Abdelli, N.; Dridi, J.S.; Dridi, S. Avian Neuropeptide Y: Beyond Feed Intake Regulation. Vet. Sci. 2022, 9, 171. https://doi.org/10.3390/vetsci9040171

AMA Style

Greene ES, Abdelli N, Dridi JS, Dridi S. Avian Neuropeptide Y: Beyond Feed Intake Regulation. Veterinary Sciences. 2022; 9(4):171. https://doi.org/10.3390/vetsci9040171

Chicago/Turabian Style

Greene, Elizabeth S., Nedra Abdelli, Jalila S. Dridi, and Sami Dridi. 2022. "Avian Neuropeptide Y: Beyond Feed Intake Regulation" Veterinary Sciences 9, no. 4: 171. https://doi.org/10.3390/vetsci9040171

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