The DOI matches its Crossref record; 133 of the 133 references it cites were found in a registry or an index.
Adiposity signals and food reward: expanding the CNS roles of insulin and leptin
Abstract
The hormones insulin and leptin have been proposed to act in the central nervous system (CNS) as adiposity signals as part of a theoretical negative feedback loop that senses the caloric stores of an animal and orchestrates adjustments in energy balance and food intake. Much research has provided support for both the existence of such a feedback loop and the specific roles that insulin and leptin may play. Most studies have focused on hypothalamic sites, which historically are implicated in the regulation of energy balance, and on the brain stem, which is a target for neural and humoral signals relating to ingestive acts. More recent lines of research, including studies from our lab, suggest that in addition to these CNS sites, brain reward circuitry may be a target for insulin and leptin action. These studies are reviewed together here with the goals of providing a historical overview of the findings that have substantiated the originally hypothesized negative feedback model and of opening up new lines of investigation that will build on these findings and allow further refinement of the model of adiposity signal/CNS feedback loop. The understanding of how motivational circuitry and its endocrine or neuroendocrine modulation contributes to normal energy balance regulation should expand possibilities for future therapeutic approaches to obesity and may lead to important insights into mental illnesses such as substance abuse or eating disorders.
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“After the initial demonstration that leptin and insulin injections directly into this brain area suppressed expression of food-conditioned place preference ([61](#B61))”
From Food reward, hyperphagia, and obesity (2011) · cites this paper as [61]
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Cited by
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Central nervous system control of food intake and body weight
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Metadata
- Authors
- Figlewicz, D. P.
- Affiliations
- University of Washington (US)
- Corresponding author
- Figlewicz, Dianne P.
- Venue
- American Journal of Physiology-Regulatory, Integrative and Comparative Physiology
- Publisher
- American Physiological Society
- Published
- 2003-04-01
- Volume
- 284
- Issue
- 4
- Pages
- R882-R892
- ISSN
- 0363-6119 (ISSN-L)
- 1522-1490
- OpenAlex
- W2126649488
- Cited by
- 221
- References
- 132
- Citations by year
- 2026: 2 · 2025: 2 · 2024: 3 · 2023: 4 · 2022: 6 · 2021: 9 · 2020: 2 · 2019: 11 · 2018: 4 · 2017: 7 · 2016: 7 · 2015: 6 · 2014: 12 · 2013: 7 · 2012: 13
- FWCI
- 2.03
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- American Journal of Physiology-Regulatory, Integrative and Comparative Physiology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Institute of Diabetes and Digestive and Kidney Diseases (DK 40963, R01DK040963)
- 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
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
- Keywords
- insulin, leptin, adiposity signals, food reward, central nervous system, energy balance, negative feedback loop, hypothalamus, brainstem, reward systems, food intake regulation, obesity, substance abuse, eating disorders
- MeSH terms
- Animals, Central Nervous System, Energy Metabolism, Feeding Behavior, Humans, Insulin, Leptin, Feedback, Physiological
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