期刊
ACTA PHARMACEUTICA SINICA B
卷 7, 期 3, 页码 311-318出版社
INST MATERIA MEDICA, CHINESE ACAD MEDICAL SCIENCES
DOI: 10.1016/j.apsb.2017.02.005
关键词
HBV; Oxymatrine; CD4(+) T cell; IFN-gamma; Mouse
资金
- key project of the National Natural Science Foundation of China [81330090]
- Chinese Medicine Antiviral Collaborative Innovation Center [XTCX2014B01-06]
Although oxymatrine (OMT) has been shown to directly inhibit the replication of hepatitis B virus (HBV) in vitro, limited research has been done with this drug in vivo. In the present study, the antiviral effect of OMT was investigated in an immunocompetent mouse model of chronic HBV infection. The infection was achieved by tail vein injection of a large volume of DNA solution. OMT (2.2, 6.7 and 20 mg/kg) was administered by daily intraperitoneal injection for 6 weeks. The efficacy of OMT was evaluated by the levels of HBV DNA, hepatitis B surface antigen (HBsAg), hepatitis B e antigen (HBeAg) and hepatitis B core antigen (HBcAg). The immunoregulatory activity of OMT was evaluated by serum ELISA and flow cytometry. Results shows that OMT at 20 mg/kg inhibited HBV replication, and it was more efficient than entecavir (ETV) in the elimination of serum HBsAg and intrahepatic HBcAg. In addition, OMT accelerated the production of interferon-gamma (IFN-gamma) in a dose-dependent manner in CD4(+) T cells. Our findings demonstrate the beneficial effects of OMT on the enhancement of immunological function and in the control of HBV antigens. The findings suggest this drug to be a good antiviral therapeutic candidate for the treatment of HBV infection. (C) 2017 Chinese Pharmaceutical Association and Institute of Materia Medica, Chinese Academy of Medical Sciences. Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NC-ND license
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