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CLEIA法定量检测胰腺癌组织中雌激素受体的含量
目前对胰腺癌是否有ERα表达存在争论.根据前期工作,我们认为ERα在胰腺癌组织中的含量可能和胰腺癌抗雌激素治疗的疗效有关.为此我们采用化学发光酶免疫法(chemiluminescent enzyme immunoassay, CLEIA)测定胰腺癌组织中的ERα含量.
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Objective To study the inhibitory effect of oxymatrine on hepatitis B virus (HBV) in vitro.Methods Microparticle enzyme immunoassay, bDNA signal amplification assay was used for determining secreted HBsAg/HBeAg in the culture medium, HBV DNA from core particles in the cytoplasm and MTT colorimetric assay was used to assay the oxymatrine cytotoxity.Results The inhibitory rates of HBsAg and HBeAg were 40.57% and 48.27% by oxymatrine at the concentration of 2000*!μg/ml. At 100-2000*!μg/ml, it can remarkably decrease the level of viral core associated-HBV DNA in the cytoplasm. No significant toxicity was shown in such concentrations.Conclusion Oxymatrine has a potential anti-HBV activity in vitro.