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    Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/6499


    Title: A Chinese herbal medicine, Gexia-Zhuyu Tang (GZT), prevents dimethylnitrosamine-induced liver fibrosis through inhibition of hepatic stellate cells proliferation
    Authors: Chen, JY;Chen, HL;Cheng, JC;Lin, HJ;Tung, YT;Lin, CF;Chen, CM
    Contributors: Center for Nanomedicine Research
    Abstract: ETHNOPHARMACOLOGICAL EVIDENCE: Gexia-Zhuyu Tang (GZT), also called Gexiazhuyu decoction (GXZYD), is a traditional Chinese herbal medicine for chronic liver diseases such as cirrhosis and liver fibrosis. AIM OF THE STUDY: In this study, we have investigated the affects of GZT on a rat model of dimethylnitrosamine (DMN)-induced liver fibrosis. MATERIALS AND METHOD: In this study, the protective effects of GZT on DMN-induced liver fibrosis were measured using a rat model. Following 5 weeks of DMN-treatment (8mg/kg, i.p., given three consecutive days each week), oral administration of GZT at 1.8g/kg daily via oral gavage for two weeks beginning at week 13. RESULTS: Both body and liver weights were significantly decreased. The reductions in body and liver weights corresponded with increasing liver damage severity. Furthermore, GZT-treatment remarkably decreased the levels of serum GOT (glutamate oxaloacetate transaminase) and GPT (glutamic pyruvic transaminase), and the mRNA expression levels of collagen alpha-1(I) and alpha-smooth muscle actin (alpha-SMA) in DMN-induced hepatic fibrosis. In addition, hepatic stellate cells (HSCs) play a major role in various types of liver fibrosis through initial myofibroblast transformation. The proliferation of HSCs was inhibited by GZT. Treatment with GZT also induced HSC apoptosis in a dose- and time-dependent manner. GZT treatment induced HSC apoptosis by facilitating Ca(2+) release from the mitochondria within 6hours. Subsequently, caspase 3 and caspase 12 were elevated by 72hours after treatment. CONCLUSION: Our studies indicate that GZT exhibited both hepatoprotective and antifibrogenic effects in DMN-induced hepatic injury. These findings suggest that GZT may be useful in preventing the development of hepatic fibrosis.
    Date: 2012-08
    Relation: Journal of Ethnopharmacology. 2012 Aug;142(3):811-818.
    Link to: http://dx.doi.org/10.1016/j.jep.2012.06.005
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=0378-8741&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000307035300029
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84863981404
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