| Hydro-ethanolic extract of cashew tree (Anacardium occidentale) nut and its principal compound, anacardic acid, stimulate glucose uptake in C2C12 muscle cells. | |
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MedLine Citation:
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PMID: 20603833 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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SCOPE: Products of cashew tree (Anacardium occidentale) are used in traditional medicine for various ailments, including diabetes. METHODS AND RESULTS: The anti-diabetic properties of cashew plant parts were studied using differentiated C2C12 myoblasts (myotubes) and rat liver mitochondria. Hydroethanolic extract of cashew seed (CSE) and its active component, anacardic acid (AA), stimulated glucose transport into C2C12 myotubes in a concentration-dependent manner. Extracts of other parts (leaves, bark and apple) of cashew plant were inactive. Significant synergistic effect on glucose uptake with insulin was noticed at 100 μg/mL CSE. CSE and AA caused activation of adenosine monophosphate-activated protein kinase in C2C12 myotubes after 6 h of incubation. No significant effect was noticed on Akt and insulin receptor phosphorylation. Both CSE and AA exerted significant uncoupling of succinate-stimulated respiration in rat liver mitochondria. CONCLUSION: Activation of adenosine monophosphate-activated protein kinase by CSE and AA likely increases plasma membrane glucose transporters, resulting in elevated glucose uptake. In addition, the dysfunction of mitochondrial oxidative phosphorylation may enhance glycolysis and contribute to increased glucose uptake. These results collectively suggest that CSE may be a potential anti-diabetic nutraceutical. |
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Authors:
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Leonard Tedong; Padma Madiraju; Louis C Martineau; Diane Vallerand; John T Arnason; Dzeufiet D P Desire; Louis Lavoie; Pierre Kamtchouing; Pierre S Haddad |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Molecular nutrition & food research Volume: 54 ISSN: 1613-4133 ISO Abbreviation: Mol Nutr Food Res Publication Date: 2010 Dec |
Date Detail:
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Created Date: 2010-12-02 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101231818 Medline TA: Mol Nutr Food Res Country: Germany |
Other Details:
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Languages: eng Pagination: 1753-62 Citation Subset: IM |
Copyright Information:
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Copyright © 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. |
Affiliation:
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Natural Health Products and Metabolic Diseases Laboratory, Department of Pharmacology and Montreal Diabetes Research Center, Université de Montréal, Montréal, Québec, Canada. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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