| Modulation of sweet responses of taste receptor cells. | |
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MedLine Citation:
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PMID: 22947916 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Taste receptor cells play a major role in detection of chemical compounds in the oral cavity. Information derived from taste receptor cells, such as sweet, bitter, salty, sour and umami is important for evaluating the quality of food components. Among five basic taste qualities, sweet taste is very attractive for animals and influences food intake. Recent studies have demonstrated that sweet taste sensitivity in taste receptor cells would be affected by leptin and endocannabinoids. Leptin is an anorexigenic mediator that reduces food intake by acting on leptin receptor Ob-Rb in the hypothalamus. Endocannabinoids such as anandamide [N-arachidonoylethanolamine (AEA)] and 2-arachidonoyl glycerol (2-AG) are known as orexigenic mediators that act via cannabinoid receptor 1 (CB(1)) in the hypothalamus and limbic forebrain to induce appetite and stimulate food intake. At the peripheral gustatory organs, leptin selectively suppresses and endocannabinoids selectively enhance sweet taste sensitivity via Ob-Rb and CB(1) expressed in sweet sensitive taste cells. Thus leptin and endocannabinoids not only regulate food intake via central nervous systems but also modulate palatability of foods by altering peripheral sweet taste responses. Such reciprocal modulation of leptin and endocannabinoids on peripheral sweet sensitivity may play an important role in regulating energy homeostasis. |
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Authors:
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Ryusuke Yoshida; Mayu Niki; Masafumi Jyotaki; Keisuke Sanematsu; Noriatsu Shigemura; Yuzo Ninomiya |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-8-25 |
Journal Detail:
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Title: Seminars in cell & developmental biology Volume: - ISSN: 1096-3634 ISO Abbreviation: Semin. Cell Dev. Biol. Publication Date: 2012 Aug |
Date Detail:
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Created Date: 2012-9-5 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9607332 Medline TA: Semin Cell Dev Biol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012. Published by Elsevier Ltd. |
Affiliation:
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Section of Oral Neuroscience, Graduate School of Dental Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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