Cited by 344Regulation of Appetite and ObesityAdipokines, Inflammation, and Metabolic DiseasesHypothalamic control of reproductive hormones

Leptin and the maintenance of elevated body weight

Pan, Warren W., Myers, Martin G.·2018·Nature reviews. Neuroscience

Abstract

Obesity represents the single most important risk factor for early disability and death in developed societies, and the incidence of obesity remains at staggering levels. CNS systems that modulate energy intake and expenditure in response to changes in body energy stores serve to maintain constant body adiposity; the adipocyte-derived hormone leptin and its receptor (LEPR) represent crucial regulators of these systems. As in the case of insulin resistance, a variety of mechanisms (including feedback inhibition, inflammation, gliosis and endoplasmic reticulum stress) have been proposed to interfere with leptin action and impede the systems that control body energy homeostasis to promote or maintain obesity, although the relative importance and contribution of each of these remain unclear. However, LEPR signalling may be increased (rather than impaired) in common obesity, suggesting that any obesity-associated defects in leptin action must result from lesions somewhere other than the initial LEPR signal. It is also possible that increased LEPR signalling could mediate some of the obesity-associated changes in hypothalamic function.

Integrity signals

Registry

Crossref · 10.1038/nrn.2017.168

Cites

101 of 101 references verified0 citation errors · 0 not checkable

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  • Leptin enhances SNS outflow to induce thermogenesis.

    “It also enhances SNS outflow to induce thermogenesis [225].”
  • Leptin is a hormone produced mainly by adipocytes and is implicated in a wide variety of physiological functions, especially regulation of energy balance.

    “Leptin is a hormone that is produced mainly by adipocytes and has been implicated in a wide variety of physiological functions, especially in the regulation of energy balance119,120.”
  • In the central nervous system, leptin increases Janus tyrosine kinase 2 activity and activates three primary intracellular pathways: STAT3, SHP2-MAPK, and IRS2-PI3K signalling.

    “In the CNS, leptin increases Janus tyrosine kinase 2 (JAK2) activity and activates three primary intracellular pathways: phosphorylation of LepR at Tyrl 138 recruits latent signal transducer and activator of transcription 3 (STAT3); phosphorylation of LepR at Tyr985 recruits Src homology 2 tyrosine phosphatase (SHP2) to activate mitogen-activated protein kinase (MAPK); and autophosphorylation of J”
  • 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).”
  • Leptin is secreted in increasing amounts as adipocytes enlarge.

    “In contrast to adiponectin, leptin is secreted in increasing amounts as adipocytes enlarge119,120.”

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Authors
Pan, W. W., & Myers, M. G.
Affiliations
University of Michigan (US)
Corresponding author
Myers, Martin G.
Venue
Nature reviews. Neuroscience
Published
2018-01-11
Volume
19
Issue
2
Pages
95-105
ISSN
  • 1471-003X (ISSN-L)
  • 1471-0048
OpenAlex
W2782974118
Cited by
344
References
101
Citations by year
2026: 20 · 2025: 30 · 2024: 34 · 2023: 37 · 2022: 40 · 2021: 56 · 2020: 64 · 2019: 42 · 2018: 21
FWCI
6.43
Type
journal article
Language
en
Open access
closed
Locations
  • Nature reviews. Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of General Medical Sciences (T32GM007315)
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, leptin receptor, obesity, leptin resistance, energy homeostasis, food intake regulation, hypothalamic function, inflammation, gliosis, endoplasmic reticulum stress, leptin signaling, weight maintenance
MeSH terms
Animals, Body Weight, Energy Metabolism, Homeostasis, Humans, Obesity, Signal Transduction, Leptin, Receptors, Leptin

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