Cited by 457Regulation of Appetite and ObesityAdipokines, Inflammation, and Metabolic DiseasesHypothalamic control of reproductive hormones

The hypothalamic arcuate nucleus: A key site for mediating leptin’s effects on glucose homeostasis and locomotor activity

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Coppari, Roberto, Ichinose, Masumi, Lee, Charlotte E., Pullen, Abigail E., Kenny, Christopher D., McGovern, Robert A., Tang, Vinsee, Liu, Shun M. +4 more·2005·Cell Metabolism

Abstract

Leptin is required for normal energy and glucose homeostasis. The hypothalamic arcuate nucleus (ARH) has been proposed as an important site of leptin action. To assess the physiological significance of leptin signaling in the ARH, we used mice homozygous for a FLPe-reactivatable, leptin receptor null allele (Lepr(neo/neo) mice). Similar to Lepr(db/db) mice, these mice are obese, hyperglycemic, hyperinsulinemic, infertile, and hypoactive. To selectively restore leptin signaling in the ARH, we generated an adeno-associated virus expressing FLPe-recombinase, which was delivered unilaterally into the hypothalamus using stereotaxic injections. We found that unilateral restoration of leptin signaling in the ARH of Lepr(neo/neo) mice leads to a modest decrease in body weight and food intake. In contrast, unilateral reactivation markedly improved hyperinsulinemia and normalized blood glucose levels and locomotor activity. These data demonstrate that leptin signaling in the ARH is sufficient for mediating leptin's effects on glucose homeostasis and locomotor activity.

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Crossref · 10.1016/j.cmet.2004.12.004

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  • Unilateral selective restoration of leptin signaling to the ARC in Leprneo/neo mice has only modest effects on food intake and body weight while markedly improving hyperinsulinemia and normalizing blood glucose levels.

    “unilateral, selective restoration of leptin signaling to the ARC was found to have only modest effects on food intake and body weight, while it markedly improved hyperinsulinemia and normalized blood glucose levels (40).”
  • Genetic studies in mice suggest that the arcuate hypothalamic nucleus plays a major role in mediating effects of leptin on glucose balance and on voluntary locomotor activity.

    “Genetic studies in mice suggest that the arcuate hypothalamic nucleus plays a major role in mediating effects of leptin on glucose balance and on voluntary locomotor activity (Coppari et al., 2005), however the specific arcuate neurons responsible remain unspecified.”

    From Leptin-Dependent Control of Glucose Balance and Locomotor Activity by POMC Neurons (2009) · cites this paper as Coppari et al., 2005

  • Unilateral restoration of leptin receptor expression in the ARC of leptin receptor deficient Leprdb/db mice leads to long term reduction of body weight and food intake.

    “Moreover, unilateral restoration of leptin receptor expression in the ARC of leptin receptor deficient Leprdb/db mice leads to long term reduction of body weight and food intake (Coppari et al., 2005)”

    From Leptin-Dependent Control of Glucose Balance and Locomotor Activity by POMC Neurons (2009) · cites this paper as Coppari et al., 2005

  • Restoration of leptin-receptors in arcuate neurons greatly increases voluntary locomotor activity in Leprdb/db mice.

    “Restoration of leptin-receptors in arcuate neurons greatly increases voluntary locomotor activity in Leprdb/db mice (Coppari et al., 2005), but the specific neurons mediating this action remain unknown.”

    From Leptin-Dependent Control of Glucose Balance and Locomotor Activity by POMC Neurons (2009) · cites this paper as Coppari et al., 2005

  • Unilateral, not bilateral, restoration of endogenous leptin receptors in arcuate neurons of leptin-receptor deficient mice results in a phenotype.

    “unilateral, not bilateral, restoration of endogenous leptin receptors in arcuate neurons of leptin-receptor deficient mice (Coppari et al., 2005) results in a phenotype”

    From Leptin-Dependent Control of Glucose Balance and Locomotor Activity by POMC Neurons (2009) · cites this paper as Coppari et al., 2005

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  1. Franklin, K.B.J., and Paxinos, G. (1997). The Mouse Brain in Sterotaxic Co- Balthasar, N., Coppari, R., McMinn, J., Liu, S.M., Lee, C.E., Tang, V., Kenny, ordinates (San Diego: Academic Press).

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Authors
Coppari, R., Ichinose, M., Lee, C. E., Pullen, A. E., Kenny, C. D., McGovern, R. A., Tang, V., Liu, S. M., Ludwig, T., Chua, S. C., Lowell, B. B., & Elmquist, J. K.
Affiliations
  • Beth Israel Deaconess Medical Center (US)
  • Columbia University (US)
Corresponding author
  • Lowell, Bradford B.
  • Elmquist, Joel K.
Venue
Cell Metabolism
Publisher
Elsevier BV
Published
2005-01
Volume
1
Issue
1
Pages
63-72
ISSN
1550-4131 (ISSN-L)
OpenAlex
W2017709986
Cited by
457
References
52
Citations by year
2026: 2 · 2025: 7 · 2024: 6 · 2023: 13 · 2022: 11 · 2021: 12 · 2020: 23 · 2019: 22 · 2018: 15 · 2017: 28 · 2016: 22 · 2015: 25 · 2014: 23 · 2013: 23 · 2012: 36
FWCI
10.27
Type
journal article
Language
en
Open access
Locations
  • Cell Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • Università Politecnica delle Marche (Università Politecnica delle Marche) (submittedVersion)
  • Archive ouverte UNIGE (University of Geneva) (submittedVersion, cc-by)
Funders
  • National Institute of Mental Health (R01MH061583, MH61583)
  • National Institute of Diabetes and Digestive and Kidney Diseases (P01DK56116, DK53301, P01DK056116, R01DK057621, DK57621, DK 26687, P30DK026687)
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, arcuate nucleus, hypothalamus, glucose homeostasis, locomotor activity, leptin receptor, adeno-associated virus, hyperinsulinemia, obesity, dietary intake, body weight, hyperglycemia, infertility
MeSH terms
Alleles, Animals, Arcuate Nucleus of Hypothalamus, Body Composition, Body Weight, Cell Nucleus, DNA Nucleotidyltransferases, Fertility, Glucose, Homeostasis, Homozygote, Hypothalamus, Immunohistochemistry, Male, Mice, Inbred C57BL, Mice, Transgenic, Models, Genetic, Motor Activity, Neurons, Oxygen Consumption, Receptors, Cell Surface, Time Factors, Signal Transduction, Leptin, Green Fluorescent Proteins, Mice, Receptors, Leptin

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