| Effect of Peucedanum japonicum Thunb Extract on High-fat Diet-induced Obesity and Gene Expression in Mice. | |
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MedLine Citation:
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PMID: 22277893 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Supplementation of the diet with Peucedanum japonicum Thunb (PJT) powder inhibits high-fat diet-induced obesity in mice. Either the fiber component or other bioactive components in the PJT powder may inhibit obesity. This study, therefore, was an attempt to identify the components, fiber or other phytochemicals of PJT that were responsible for the anti-obesity activity, and also studied the modulation of obesity-related gene expression in C57BL/6 mice. Animals were fed a modified-AIN76 diet supplemented with PJT powder or extracts of PJT in water, 50 % ethanol, or ethanol. Body weight gain, tissue weight, serum biochemical parameters, liver lipid concentrations, and gene expression in tissues were compared between the control and treatment groups. Of the extracts, the ethanol extract of PJT decreased fat accumulation and adipocyte size, reduced serum and liver triglyceride concentrations, and inhibited obesity. This finding clearly demonstrates the presence of anti-obesity phytochemicals in PJT. Ethanol extract of PJT inhibited lipase activity in vitro. Modulation of gene expression by PJT ethanol extract was largely similar to that by PJT powder in the hepatic and adipose tissues: RORC and PBEF1 were upregulated and DUSP1, INSIG2, and SERPINA12 were downregulated in the liver; FXRα and PPARγ were upregulated and PEG1/MEST, the size-marker of adipocytes, was downregulated in the adipose tissue. Furthermore, PJT ethanol extract increased the expression of the UCP3 gene in muscle. These results suggest that the anti-obesity phytochemicals in PJT lower lipid levels by inhibiting fat absorption and by modulating obesity-related gene expression in the liver, adipose tissue, and muscle. |
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Authors:
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Natthanan Nukitrangsan; Takafumi Okabe; Takayoshi Toda; Masashi Inafuku; Hironori Iwasaki; Hirosuke Oku |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of oleo science Volume: 61 ISSN: 1347-3352 ISO Abbreviation: J Oleo Sci Publication Date: 2012 |
Date Detail:
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Created Date: 2012-01-26 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101175339 Medline TA: J Oleo Sci Country: Japan |
Other Details:
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Languages: eng Pagination: 89-101 Citation Subset: IM |
Affiliation:
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United Graduate School of Agricultural Sciences, Kagoshima University. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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