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Objective Assaying HBV cccDNA in periphral blood lymphocyte and discuss its clinical significance.Methods Using lymphocyte isolating solution to isolate lymphocytes in the peripheral blood, and quantitative florescent realtime PCR was used to detect HBV cccDNA.Results 29 cases of 36 CAH patients was detected positive(80.56%),32 cases of 61 CPH patients was detected positive(52.46%) and 1 case of 59 ASC was detected positive(0.02%) respectively.All 47 healthy people specimen was found negative by the method.CAH group,CPH group and ASC & negative control group show significance statistically(P
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Aim To observe the anti-hepatitis B virus effect of total phenolics acid extracted from Oenanthe Javanica(OJTPA) with in vitro experiments.Methods HePG2 2.2.15 cells were treated with OJTPA,which were diluted into 500 mg?L-1,250 mg?L-1 and 125 mg?L-1 groups.The test set up positive control group(entecavir,3 mg?L-1) and normal control group.The cells of the 4 th,8 th and 4 th day ceasing treatment were collected.The content of HBV-DNA and cccDNA was determined with Quantitative Real-Time PCR method,and the inhibition rates were calculated.Results OJTPA could obviously inhibit HBV-DNA and cccDNA under the dosages used in the experiment,and showed a dose-dependent relationship.The inbhibitory rates reached the peak of 62.3% and 62.7% for HBV-DNA and cccDNA respectively,and a high inhibitory rate was retained within 3 days of OJTPA withdrawal.Conclusion OJTPA has significant inhibition on HBV-DNA and cccDNA and there is no significant rebound phenomenon.