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Abstract Title:

The influence of astragalus polysaccharide andβ-elemene on LX-2 cell growth, apoptosis and activation.

Abstract Source:

BMC Gastroenterol. 2014 Dec 31 ;14:224. Epub 2014 Dec 31. PMID: 25551689

Abstract Author(s):

Jin Zheng, Li-tian Ma, Qin-you Ren, Lu Li, Yi Zhang, Heng-jun Shi, Yi Liu, Cheng-hua Li, Yong-qi Dou, Shao-dan Li, Hui Zhang, Ming-hui Yang

Article Affiliation:

Jin Zheng

Abstract:

BACKGROUND: Activated hepatic stellate cells are the main source of excessive collagen deposition in liver fibrosis. Here we report the inhibitory effects of the combinational treatment of two natural products, astragalus polysaccharide (APS) andβ-elemene (ELE) on the activation of human liver hepatic stellate cell line LX-2 cells.

METHODS: Cultured LX-2 cells were treated with different concentrations of APS or ELE for 24 or 48 hours. Cell viability/apoptosis was measured by MTT assay and Annexin V/PI staining , activation related genes includingα-SMA and CD44 expressions were measured by real-time PCR and western blot respectively.

RESULTS: The majority of LX-2 cells showed morphological change in the presence of APS or ELE for 24 hours. Treatment with APS + ELE for 24 or 48 hours significantly inhabited the cell proliferation compared with APS or ELE treatment alone on LX-2 cells. APS + ELE may block the up-regulation of α-SMA and CD44 both in mRNA and protein levels through TGF-β pathway in LX-2 cells.

CONCLUSION: APS or ELE treatment alone on LX-2 cells could inhibit cell proliferation and induce apoptosis. The combinational treatment using APS + ELE significantly increased the killing efficiency on LX-2 cells.α-SMA and CD44 expressions was inhibited upon APS + ELE treatment through TGF-β pathway in LX-2 cells. The results indicated a novel treatment using natural products for liver diseases with anti-fibrotic effect.

Study Type : In Vitro Study

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Sayer Ji
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