Cited by 311Regulation of Appetite and ObesityAdipokines, Inflammation, and Metabolic DiseasesHypothalamic control of reproductive hormones

The DOI matches its Crossref record; 53 of the 53 references it cites were found in a registry or an index.

Hyperleptinemia Is Required for the Development of Leptin Resistance

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Abstract

Leptin regulates body weight by signaling to the brain the availability of energy stored as fat. This negative feedback loop becomes disrupted in most obese individuals, resulting in a state known as leptin resistance. The physiological causes of leptin resistance remain poorly understood. Here we test the hypothesis that hyperleptinemia is required for the development of leptin resistance in diet-induced obese mice. We show that mice whose plasma leptin has been clamped to lean levels develop obesity in response to a high-fat diet, and the magnitude of this obesity is indistinguishable from wild-type controls. Yet these obese animals with constant low levels of plasma leptin remain highly sensitive to exogenous leptin even after long-term exposure to a high fat diet. This shows that dietary fats alone are insufficient to block the response to leptin. The data also suggest that hyperleptinemia itself can contribute to leptin resistance by downregulating cellular response to leptin as has been shown for other hormones.

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Crossref · 10.1371/journal.pone.0011376

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  1. MF White, 2006, Regulating insulin signaling and beta-cell function through IRS proteins., Can J Physiol Pharmacol, 84, 725

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Metadata

Authors
Knight, Z. A., Hannan, K. S., Greenberg, M. L., & Friedman, J. M.
Affiliations
Howard Hughes Medical Institute (US)
Corresponding author
Friedman, Jeffrey M.
Venue
PLoS ONE
Published
2010-06-29
Volume
5
Issue
6
Pages
e11376
ISSN
1932-6203 (ISSN-L)
OpenAlex
W1974838371
Cited by
311
References
53
Citations by year
2026: 12 · 2025: 17 · 2024: 17 · 2023: 16 · 2022: 21 · 2021: 21 · 2020: 31 · 2019: 21 · 2018: 20 · 2017: 22 · 2016: 19 · 2015: 23 · 2014: 19 · 2013: 14 · 2012: 15
FWCI
7.37
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • eScholarship (California Digital Library) (submittedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by)
Funders
  • Howard Hughes Medical Institute
  • National Institutes of Health (DK083531)
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK083531, R00DK083531, DK041096, K99DK083531, R01DK041096)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Adipokines, Inflammation, and Metabolic Diseases
  • Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
Keywords
hyperleptinemia, leptin resistance, diet-induced obesity, leptin signaling, high-fat diet, leptin sensitivity, obesity, energy homeostasis
MeSH terms
Animals, Energy Intake, Feeding Behavior, Mice, Inbred C57BL, Obesity, Leptin, Mice

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