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Article Publish Status: FREE
Abstract Title:

Essential Oil of Pinus koraiensis Exerts Antiobesic and Hypolipidemic Activity via Inhibition of Peroxisome Proliferator-Activated Receptors Gamma Signaling.

Abstract Source:

Evid Based Complement Alternat Med. 2013 ;2013:947037. Epub 2013 Aug 13. PMID: 23997801

Abstract Author(s):

Hyun-Suk Ko, Hyo-Jeong Lee, Hyo-Jung Lee, Eun Jung Sohn, Miyong Yun, Min-Ho Lee, Sung-Hoon Kim

Article Affiliation:

Hyun-Suk Ko

Abstract:

Our group previously reported that essential oil of Pinus koraiensis (EOPK) exerts antihyperlipidemic effects via upregulation of low-density lipoprotein receptor and inhibition of acyl-coenzyme A. In the present study, we investigated the antiobesity and hypolipidemic mechanism of EOPK using in vitro 3T3-L1 cells and in vivo HFD-fed rats. EOPK markedly suppressed fat accumulation and intracellular triglyceride associated with downregulation of adipogenic transcription factor expression, including PPARγ and CEBP α in the differentiated 3T3-L1 adipocytes. Additionally, EOPK attenuated the expression levels of FABP and GPDH as target genes of PPAR γ during adipocyte differentiation. Furthermore, PPAR γ inhibitor GW9662 enhanced the decreased expression of FABP and PPAR γ and fat accumulation induced by EOPK. To confirm the in vitro activity of EOPK, animal study was performed by administering normal diet, HFD, and/or EOPK at the dose of 100 or 200 mg/kg for 6 weeks. Consistently, EOPK significantly suppressed body weight gain, serum triglyceride, total cholesterol, LDL cholesterol, andAI value and increased HDL cholesterol in a dose-dependent manner. Immunohistochemistry revealed that EOPK treatment abrogated the expression of PPAR γ in the liver tissue sections of EOPK-treated rats. Taken together, our findings suggest that EOPK has the antiobesic and hypolipidemic potential via inhibition of PPAR γ -related signaling.

Study Type : Animal Study, In Vitro Study
Additional Links
Pharmacological Actions : Hypolipidemic : CK(3189) : AC(707)

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Sayer Ji
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