PMID: 16642214Apr 28, 2006Paper

Relationship between Shenzhen HBV genotype and precore/core promoter mutation and antiviral effects

Zhonghua shi yan he lin chuang bing du xue za zhi = Zhonghua shiyan he linchuang bingduxue zazhi = Chinese journal of experimental and clinical virology
Jing YuanMasashi Mizokami

Abstract

To study the relationship between hepatitis B virus genotyping Shenzhen isolates and HBV precore/core promoter mutation and antiviral effects. The HBV genotyping of 165 patients with HBV was carried out with mAbs ELISA. HBV precore/core promoter mutation was detected with gene chip technology in 24 patients with CHB. The relationship between HBV genotyping and interferon, lamivudine effects was analyzed. (1) Out of 165 cases, 106 (64.2%) of type B but 48 (29.1%) of type C were found. Type B accounted for 95.4% in group ASC, and type C for 64.7%in group LC (P<0.05). (2) Precore/core promoter mutation was found in 16 cases (10 of type B, and 6 of type C) out of 24 cases. Out of 16 cases, precore/core promoter mutation (nt1896, 1862) was found in 10 cases (9 cases of type B and 1 case of type C), while basal core promoter mutation (BCP mutation, nt1762,1764) was found in 6 cases (1 case of type B and 5 of type C). (3) Among 27 patients with CHB HBAg (+) treated with interferon, 11 cases of type B but 1 case of type C were tested to be fully responsive to interferon. Among 29 patients with CHB HBAg (+) treated with lamivudine, 15 cases of type B but 3 cases of type C were tested to be continuously responsive to lamivudine. (1) HBV ...Continue Reading

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