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Role of hypothalamic Foxo1 in the regulation of food intake and energy homeostasis
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kim, Min-Seon | - |
dc.contributor.author | Pak, Youngmi | - |
dc.contributor.author | Jang, Pil-Geum | - |
dc.contributor.author | Namkoong, Cherl | - |
dc.contributor.author | Choi, Yon-Sik | - |
dc.contributor.author | Won, Jong-Chul | - |
dc.contributor.author | Kim, Kyung-Sup | - |
dc.contributor.author | Kim, Seung-Whan | - |
dc.contributor.author | Kim, Hyo-Soo | - |
dc.contributor.author | Park, Joong-Yeol | - |
dc.contributor.author | Kim, Young-Bum | - |
dc.contributor.author | Lee, Ki-Up | - |
dc.date.accessioned | 2010-01-24T11:39:26Z | - |
dc.date.available | 2010-01-24T11:39:26Z | - |
dc.date.issued | 2006-06-20 | - |
dc.identifier.citation | Nat Neurosci. 2006 Jul;9(7):901-6. Epub 2006 Jun 18. | en |
dc.identifier.issn | 1097-6256 (Print) | - |
dc.identifier.uri | http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=16783365 | - |
dc.identifier.uri | https://hdl.handle.net/10371/42982 | - |
dc.description.abstract | Insulin signaling in the hypothalamus plays a role in maintaining body weight. Studies suggest that the forkhead transcription factor Foxo1 is an important mediator of insulin signaling in peripheral tissues. Here we demonstrate that in normal mice, hypothalamic Foxo1 expression is reduced by the anorexigenic hormones insulin and leptin. These hormones' effects on feeding are inhibited when hypothalamic Foxo1 is activated, establishing a new signaling pathway through which insulin and leptin regulate food intake in hypothalamic neurons. Moreover, activation of Foxo1 in the hypothalamus increases food intake and body weight, whereas inhibition of Foxo1 decreases both. Foxo1 stimulates the transcription of the orexigenic neuropeptide Y and Agouti-related protein through the phosphatidylinositol-3-kinase (PI3K)/Akt signaling pathway, but suppresses the transcription of anorexigenic proopiomelanocortin by antagonizing the activity of signal transducer-activated transcript-3 (STAT3). Our data suggest that hypothalamic Foxo1 is an important regulator of food intake and energy balance. | en |
dc.language.iso | en | en |
dc.publisher | Nature Publishing Group | en |
dc.subject | Analysis of Variance | en |
dc.subject | Animals | en |
dc.subject | Blotting, Western/methods | en |
dc.subject | Body Weight/drug effects/physiology | en |
dc.subject | Cell Line, Tumor | en |
dc.subject | Chromatin Immunoprecipitation/methods | en |
dc.subject | Eating/drug effects/*physiology | en |
dc.subject | Electrophoretic Mobility Shift Assay/methods | en |
dc.subject | Energy Metabolism/drug effects/*physiology | en |
dc.subject | Forkhead Transcription Factors/*physiology | en |
dc.subject | Gene Expression/drug effects/physiology | en |
dc.subject | Green Fluorescent Proteins/metabolism | en |
dc.subject | Homeostasis/drug effects/*physiology | en |
dc.subject | Humans | en |
dc.subject | Hypothalamus/drug effects/*metabolism | en |
dc.subject | Immunohistochemistry/methods | en |
dc.subject | Insulin/pharmacology | en |
dc.subject | Leptin/pharmacology | en |
dc.subject | Male | en |
dc.subject | Mice | en |
dc.subject | Mice, Inbred C57BL | en |
dc.subject | Neuroblastoma | en |
dc.subject | RNA, Small Interfering/pharmacology | en |
dc.title | Role of hypothalamic Foxo1 in the regulation of food intake and energy homeostasis | en |
dc.type | Article | en |
dc.contributor.AlternativeAuthor | 김민선 | - |
dc.contributor.AlternativeAuthor | 박영미 | - |
dc.contributor.AlternativeAuthor | 장필금 | - |
dc.contributor.AlternativeAuthor | 남궁철 | - |
dc.contributor.AlternativeAuthor | 최연식 | - |
dc.contributor.AlternativeAuthor | 원종철 | - |
dc.contributor.AlternativeAuthor | 김경섭 | - |
dc.contributor.AlternativeAuthor | 김승환 | - |
dc.contributor.AlternativeAuthor | 김효수 | - |
dc.contributor.AlternativeAuthor | 박중열 | - |
dc.contributor.AlternativeAuthor | 김영범 | - |
dc.contributor.AlternativeAuthor | 이기업 | - |
dc.identifier.doi | 10.1038/nn1731 | - |
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