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Abstract Title:

Patchouli Oil Attenuates High Fat Diet-induced Non-alcoholic Hepatic Steatosis.

Abstract Source:

Planta Med. 2020 Mar ;86(4):255-266. Epub 2020 Jan 23. PMID: 31975362

Abstract Author(s):

Nan Xu, Xue Wu, Hui-Juan Luo, Fang-Fang Xu, Qiong-Hui Huang, Jia-Zhen Wu, Yu-Xuan Gan, Min-Yao Li, Zheng-Quan Lai, Hui-Ran Lin, Jian-Nan Chen, Zi-Ren Su, Wei-Peng Ai, Yu-Hong Liu

Article Affiliation:

Nan Xu

Abstract:

Non-alcoholic fatty liver disease (NAFLD) is one of the most common chronic liver diseases worldwide. Nevertheless, no first-line therapy exists. Hepatic steatosis is the earliest stage of NAFLD, which is characterized by an accumulation of hepatic lipids. Patchouli oil (PO), which is isolated from the well-known Chinese herb named(Blanco) Benth. (Lamiaceae), inhibits hepatic lipid accumulation effectively. However, its potential ability for the treatment of NAFLD had not been reported before. Thus, the objective of this study was to investigate the effectiveness of PO against hepatic steatosis and its underlying mechanisms. We used a high fat diet (HFD)-induced hepatic steatosis model of rats to estimate the effect of PO against NAFLD. Hematoxylin-eosin and oil red O staining were used to analyze the hepatic histopathological changes. ELISA, RT-qPCR, and Western blotting analysis were applied to evaluate the parameters for hepatic steatosis. Our results showed that PO significantly attenuated the lipid profiles and the serum enzymes, evidenced by quantitative and histopathological analyses. It also markedly down-regulated the expression of sterol regulatory element-binding protein 1 (SREPB-1c) with its downstream factors inlipogenesis. And, likewise, in lipid export by very low-density lipoproteins (VLDL), related molecules were dramatically improved. Furthermore, PO observably normalized the aberrant peroxisome proliferator-activated receptor(PPAR-) signal in fatty acids oxidation. In conclusion, PO exerted a preventing effect against HFD-induced steatosis and might be due to decreaselipogenesis, promote export of lipids, as well as owing to improve fatty acids oxidation.

Study Type : Animal Study

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