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Hypothalamic Integration of Metabolic, Endocrine, and Circadian Signals in Fish: Involvement in the Control of Food Intake

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Delgado Saavedra, María Jesús and Cerdá Reverter, José M. and Soengas, José L. (2017) Hypothalamic Integration of Metabolic, Endocrine, and Circadian Signals in Fish: Involvement in the Control of Food Intake. Frontiers in Neuroscience, 11 . ISSN 1662-4548

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Official URL: https://www.frontiersin.org/journals/neuroscience



Abstract

The regulation of food intake in fish is a complex process carried out through several different mechanisms in the central nervous system (CNS) with hypothalamus being the main regulatory center. As in mammals, a complex hypothalamic circuit including two populations of neurons: one co-expressing neuropeptide Y (NPY) and Agouti-related peptide (AgRP) and the second one population co-expressing pro-opiomelanocortin (POMC) and cocaine- and amphetamine-regulated transcript (CART) is involved in the integration of information relating to food intake control. The production and release of these peptides control food intake, and the production results from the integration of information of different nature such as levels of nutrients and hormones as well as circadian signals. The present review summarizes the knowledge and recent findings about the presence and functioning of these mechanisms in fish and their differences vs. the known mammalian model.


Item Type:Article
Uncontrolled Keywords:food intake, fish, hypothalamus, review, nutrient sensing, circadian rhythm, leptin, ghrelin
Subjects:Medical sciences > Biology
Medical sciences > Biology > Animal physiology
Medical sciences > Biology > Fishes
ID Code:44992
Deposited On:04 Oct 2017 16:16
Last Modified:05 Oct 2017 08:18

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