Cited by 550Regulation of Appetite and ObesityAdipokines, Inflammation, and Metabolic DiseasesHypothalamic control of reproductive hormones

Molecular and anatomical determinants of central leptin resistance

Münzberg, Heike, Myers, Martin G·2005·Nature Neuroscience

Abstract

The increasing incidence of obesity in developed nations is an ever-growing challenge to health care, promoting diabetes and other diseases. The hormone leptin, which is derived from adipose tissue, regulates feeding and energy expenditure. Most forms of obesity are associated with diminished responsiveness to the appetite-suppressing effects of leptin. Here we review the mechanisms by which leptin activates intracellular signals, the roles of these signals in leptin action in vivo, and mechanisms that may attenuate leptin signaling, limiting its action in obese individuals. We highlight data regarding the expression of SOCS3 (a potential mediator of leptin resistance) in the arcuate nucleus of the hypothalamus.

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Crossref · 10.1038/nn1454

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  • The leptin receptor is expressed in multiple regions of the forebrain and hindbrain, including the hypothalamus, brainstem vasomotor centres, and intermediolateral nucleus of the spinal cord.

    “The LepR is expressed in multiple regions of the forebrain and hindbrain, including the hypothalamus, brainstem vasomotor centres and intermediolateral nucleus (IML) of the spinal cord119,135,138 (FIG. 5a).”
  • The anorexic effects of acute leptin injections are attenuated in individuals with obesity.

    “The anorexic effects of acute leptin injections are attenuated in individuals with obesity135.”
  • Obesity causes resistance to leptin signaling, likely related to a post-receptor defect.

    “However, obese subjects have higher cerebrospinal fluid (CSF) leptin levels compared to lean subjects102 suggesting that obesity also causes resistance to leptin signaling, likely related to a post-receptor defect103.”

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Authors
Münzberg, H., & Myers, M. G.
Affiliations
University of Michigan (US)
Corresponding author
Myers, Martin G
Venue
Nature Neuroscience
Published
2005-04-26
Volume
8
Issue
5
Pages
566-570
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2042893069
Cited by
550
References
66
Citations by year
2026: 8 · 2025: 7 · 2024: 12 · 2023: 9 · 2022: 8 · 2021: 13 · 2020: 16 · 2019: 18 · 2018: 10 · 2017: 18 · 2016: 27 · 2015: 36 · 2014: 40 · 2013: 29 · 2012: 30
FWCI
4.48
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
Keywords
leptin resistance, leptin signaling, obesity, SOCS3, arcuate nucleus, hypothalamus, appetite regulation, energy expenditure, intracellular signaling
MeSH terms
Suppressor of Cytokine Signaling 3 Protein, Adipose Tissue, Animals, Appetite Regulation, Energy Metabolism, Humans, Hypothalamus, Obesity, Receptors, Cell Surface, Repressor Proteins, Transcription Factors, Signal Transduction, Leptin, Suppressor of Cytokine Signaling Proteins, Receptors, Leptin

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