Role of leptin in regulating appetite, neuroendocrine function, and bone remodeling

Leptin, a hormone secreted by adipocytes, acts on the hypothalamus to regulate appetite and neuroendocrine function. In the hypothalamus, both the arcuate nucleus and the ventromedial nucleus express leptin receptors. Specific neurons in the arcuate nucleus regulate appetite and reproduction. In con...

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Veröffentlicht in:American journal of medical genetics. Part A 2006-03, Vol.140A (5), p.515-524
1. Verfasser: Cohen Jr, M. Michael
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container_title American journal of medical genetics. Part A
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creator Cohen Jr, M. Michael
description Leptin, a hormone secreted by adipocytes, acts on the hypothalamus to regulate appetite and neuroendocrine function. In the hypothalamus, both the arcuate nucleus and the ventromedial nucleus express leptin receptors. Specific neurons in the arcuate nucleus regulate appetite and reproduction. In contrast, neurons in the ventromedial nucleus regulate bone mass. The melanocortin system is the downstream pathway for regulating appetite and neuroendocrine function. In contrast, the sympathetic nervous system is the downstream pathway for regulating bone mass. Leptin, in regulating food intake and body weight, acts, in part, by inhibiting the synthesis of neuropeptide Y and its release from the hypothalamus. The leptin and insulin pathways may interact and may be important in the pathogenesis of the metabolic syndrome. © 2006 Wiley‐Liss, Inc.
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subjects adipokine
amenorrhea
Animals
anorexia nervosa
Appetite - physiology
arcuate nucleus
Biological and medical sciences
Bone Remodeling - physiology
Cell Differentiation - physiology
cocaine amphetamine regulated transcript (CART)
Female genital diseases
glucose homeostasis
Gynecology. Andrology. Obstetrics
Humans
hypothalamus
Hypothalamus - physiology
insulin signaling
Leptin - physiology
Medical sciences
melanocortin system
Metabolic diseases
Models, Biological
neuropeptide Y
Neurosecretory Systems - physiology
Non tumoral diseases
obese gene (OB)
Obesity
Osteoclasts - cytology
receptor for activated NFκB ligand (RANK)
Receptors, Cell Surface - physiology
Receptors, Leptin
reproductive axis
sympathetic nervous system
ventromedial nucleus
β2 adrenergic receptor (β2-AR)
title Role of leptin in regulating appetite, neuroendocrine function, and bone remodeling
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