Cited by 139Regulation of Appetite and ObesityAdipokines, Inflammation, and Metabolic DiseasesHypothalamic control of reproductive hormones

Intraventricular insulin and leptin reduce food intake and body weight in C57BL/6J mice

Brown, Lynda M., Clegg, Deborah J., Benoit, Stephen C., Woods, Stephen C.·2006·Physiology & Behavior

Abstract

As the incidence of obesity continues to increase, adequate animal models acquire increased importance for the investigation of energy homeostatic mechanisms. Understanding the central mechanism of action of the adiposity hormones, insulin and leptin, has become particularly important as researchers examine ways to treat or prevent obesity. Although the intra-3rd-ventricular (i3vt) administration of insulin reduces food intake in several species, its effects on food intake and body weight have not been previously been assessed in mice. Male C57BL/6J mice were administered insulin i3vt (0.05, 0.1 or 0.4 microU) or leptin i3vt (5 microg/1 microl) as a positive control. As it occurs in other species, i3vt insulin dose-dependently reduced 24-h food intake and body weight, and increased hypothalamic proopiomelanocortin (POMC) mRNA. Hence, genetic manipulations that influence brain insulin sensitivity in mice can now more easily be integrated with the broader literature on energy homeostasis.

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Crossref · 10.1016/j.physbeh.2006.08.008

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  • The animal findings that insulin acts in the brain to reduce food intake were repeatedly, although not unanimously, corroborated.

    “These findings were repeatedly, 59,60 although not unanimously, 61 corroborated in animals.”

    From Intranasal insulin (2021) · cites this paper as [59]

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Authors
Brown, L. M., Clegg, D. J., Benoit, S. C., & Woods, S. C.
Affiliations
University of Cincinnati (US)
Corresponding author
Brown, Lynda M.
Venue
Physiology & Behavior
Publisher
Elsevier BV
Published
2006-12
Volume
89
Issue
5
Pages
687-691
ISSN
0031-9384 (ISSN-L)
OpenAlex
W2060802533
Cited by
139
References
39
Citations by year
2026: 1 · 2025: 3 · 2024: 5 · 2023: 1 · 2022: 7 · 2021: 10 · 2020: 6 · 2019: 10 · 2018: 10 · 2017: 14 · 2016: 5 · 2015: 7 · 2014: 12 · 2013: 14 · 2012: 14
FWCI
1.12
Type
journal article
Language
en
Open access
closed
Locations
  • Physiology & Behavior (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • University of Cincinnati
  • National Institutes of Health
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK17844)
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
dietary intake, body weight, obesity, energy homeostasis, POMC mRNA, C57BL/6J mice
MeSH terms
Animals, Behavior, Animal, Blood Glucose, Body Weight, Dose-Response Relationship, Drug, Eating, Gene Expression Regulation, Hypoglycemic Agents, Hypothalamus, Injections, Intraventricular, Insulin, Male, Mice, Inbred C57BL, Pro-Opiomelanocortin, RNA, Messenger, Time Factors, Reverse Transcriptase Polymerase Chain Reaction, Leptin, Mice

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