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Abstract Title:

Artemisia iwayomogi plus Curcuma longa Synergistically Ameliorates Nonalcoholic Steatohepatitis in HepG2 Cells.

Abstract Source:

Evid Based Complement Alternat Med. 2017 ;2017:4390636. Epub 2017 Oct 17. PMID: 29234397

Abstract Author(s):

Hyeong-Geug Kim, Sung-Bae Lee, Jin-Seok Lee, Won-Young Kim, Seung-Hoon Choi, Chang-Gue Son

Article Affiliation:

Hyeong-Geug Kim

Abstract:

The combination of Artemisia iwayomogi and Curcuma longa radix is frequently prescribed for liver diseases in TKM. However, the synergic effects of the two herbs on nonalcoholic steatohepatitis (NASH) have not yet been studied. Therefore, we investigated the anti-NASH effects of the water extract of A. iwayomogi (AI), C. longa radix (CL), and combination of the two herbs (ACE). Hepatic steatosis and NASH were induced in HepG2 cells by treatment with palmitic acid (PA, for 6 h) with/without pretreatment of ACE (25 or 50 μg/mL), AI (50 or 100 μg/mL), CL (50 or 100 μg/mL), curcumin (5 μg/mL), or scopoletin (5 μg/mL). The PA treatment (200 μM) drastically altered intracellular triglyceride levels, total cholesterol, and expression levels of genes related to lipid metabolism (CD36, SREBP1c, PPAR-γ, and PPAR-α), whereas pretreatment with ACE significantly attenuated these alterations. ACE also protected HepG2 cells from PA- (300 μM-) induced endoplasmic reticulum (ER) stress and apoptosis and attenuated the related key molecules including GRP78, eIF2, and CHOP, respectively. In conclusion, we found synergic effects of A. iwayomogi and C. longa on NASH, supporting the clinical potential for fatty liver disorders. In addition, modulation of ER stress-relative molecules would be involved in its underlying mechanism.

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