The DOI matches its Crossref record; 10 of the 10 references it cites were found in a registry or an index.
Leptin action in the forebrain regulates the hindbrain response to satiety signals
Open accessAbstract
The capacity to adjust energy intake in response to changing energy requirements is a defining feature of energy homeostasis. Despite the identification of leptin as a key mediator of this process, the mechanism whereby changes of body adiposity are coupled to adaptive, short-term adjustments of energy intake remains poorly understood. To investigate the physiological role of leptin in the control of meal size and the response to satiety signals, and to identify brain areas mediating this effect, we studied Koletsky (fa(k)/fa(k)) rats, which develop severe obesity due to the genetic absence of leptin receptors. Our finding of markedly increased meal size and reduced satiety in response to the gut peptide cholecystokinin (CCK) in these leptin receptor-deficient animals suggests a critical role for leptin signaling in the response to endogenous signals that promote meal termination. To determine if the hypothalamic arcuate nucleus (ARC) (a key forebrain site of leptin action) mediates this leptin effect, we used adenoviral gene therapy to express either functional leptin receptors or a reporter gene in the area of the ARC of fa(k)/fa(k) rats. Restoration of leptin signaling to this brain area normalized the effect of CCK on the activation of neurons in the nucleus of the solitary tract and area postrema, key hindbrain areas for processing satiety-related inputs. This intervention also reduced meal size and enhanced CCK-induced satiety in fa(k)/fa(k) rats. These findings demonstrate that forebrain signaling by leptin, a long-term regulator of body adiposity, limits food intake on a meal-to-meal basis by regulating the hindbrain response to short-acting satiety signals.
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Cites
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Proopiomelanocortin Neurons Are Direct Targets for Leptin in the Hypothalamus
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Rossi, M., Kim, M. S., Morgan, D. G. A., Small, C. J., Edwards, C. M. B., Sunter, D., Abusnana, S., Goldstone, A. P., Russell, S. H., Stanley, S. A., et al. (1998) · Endocrinology · doi:10.1210/endo.139.10.6332 · Cited by 576
Regulation of hypothalamic proopiomelanocortin mRNA by leptin in ob/ob mice
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Evidence That the Caudal Brainstem Is a Target for the Inhibitory Effect of Leptin on Food Intake
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Self-citationMorton, G. J., Niswender, K. D., Rhodes, C. J., Myers, M. G., Blevins, J. E., Baskin, D. G., & Schwartz, M. W. (2003) · Endocrinology · doi:10.1210/en.2002-0115 · Cited by 158
Cited by
Central nervous system control of food intake and body weight
Morton, G. J., Cummings, D. E., Baskin, D. G., Barsh, G. S., & Schwartz, M. W. (2006) · Nature · doi:10.1038/nature05026 · Cited by 2,503
Self-citationAdipokine dysregulation, adipose tissue inflammation and metabolic syndrome
Maury, E., & Brichard, S. M. (2010) · Molecular and Cellular Endocrinology · doi:10.1016/j.mce.2009.07.031 · Cited by 1,026
Neurobiology of food intake in health and disease
Morton, G. J., Meek, T. H., & Schwartz, M. W. (2014) · Nature Reviews Neuroscience · doi:10.1038/nrn3745 · Cited by 748
Self-citationLeptin targets in the mouse brain
Scott, M. M., Lachey, J. L., Sternson, S. M., Lee, C. E., Elias, C. F., Friedman, J. M., & Elmquist, J. K. (2009) · Journal of Comparative Neurology · doi:10.1002/cne.22025 · Cited by 484
Hypothalamic inflammation in obesity and metabolic disease
Jais, A., & Brüning, J. C. (2017) · Journal of Clinical Investigation · doi:10.1172/jci88878 · Cited by 474
Metadata
- Authors
- Morton, G. J., Blevins, J. E., Williams, D. L., Niswender, K. D., Gelling, R. W., Rhodes, C. J., Baskin, D. G., & Schwartz, M. W.
- Venue
- Journal of Clinical Investigation
- Published
- 2005-03-01
- Volume
- 115
- Issue
- 3
- Pages
- 703-710
- ISSN
- 0021-9738 (ISSN-L)
- OpenAlex
- W1986299003
- Cited by
- 256
- References
- 10
- FWCI
- 7.04
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Morton, G. J., Blevins, J. E., Williams, D. L., Niswender, K. D., Gelling, R. W., Rhodes, C. J., Baskin, D. G., & Schwartz, M. W. (2005). Leptin action in the forebrain regulates the hindbrain response to satiety signals. Journal of Clinical Investigation. https://doi.org/10.1172/jci200522081
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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