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Comparison of three different hybridization assays in the quantitative measurement of serum hepatitis B virus DNA.

Abstract：

:The measurement of hepatitis B virus (HBV) DNA, is important for monitoring and evaluating the efficacy of anti-viral agents in the treatment of patients with chronic hepatitis B. Three different hybridization assays for quantitative measurement of HBV DNA: direct membrane (dot-blot) hybridization, liquid hybridization (Abbott HBV DNA assay) and branched DNA signal amplification assay (Quantiplex, Chiron), were applied to 114 serial serum samples obtained from 13 patients with chronic active hepatitis B who had received ribavirin 600 mg daily for four weeks. Among the three assays, the correlation was found to be highest between Quantiplex and Abbott HBV DNA assay (r = 0.71, p < 0.01), moderate between Quantiplex and dot-blot hybridization (r = 0.58, p < 0.01) and lowest between dot-blot hybridization and Abbott HBV DNA assay (r = 0.27, p < 0.01). Quantiplex detected 107 (94%) of 114 specimens and was the most sensitive assay. All specimens positive by dot-blot hybridization and Abbott HBV DNA assays were detected positive by Quantiplex. The Dot-blot hybridization assay detected all 89 (100%) specimens with a high HBV DNA level (> or = 10 million genome equivalent (Meq)/ml by Quantiplex), but detected only 7 (50%) of 14 specimens with a low HBV DNA level (< 10 Meq/ml). The Abbott HBV DNA assay detected 85 (95%) of 89 specimens with a high HBV DNA level, but detected only 3 (17%) of 18 specimens with a low HBV DNA level. Among 7 negative specimens in the Quantiplex assay, 2 were detected positive by polymerase chain reaction. In conclusion, Quantiplex assay was more sensitive than Abbott HBV DNA assay and dot-blot hybridization assay for quantitative measurement of serum HBV DNA and can be used in the evaluation of the therapeutic drug effect on chronic hepatitis B patients.

journal_name

J Virol Methods

journal_title

Journal of virological methods

authors

Hwang SJ,Lee SD,Lu RH,Chan CY,Lai L,Co RL,Tong MJ

doi

10.1016/s0166-0934(96)02093-9

subject

Has Abstract

pub_date

1996-12-01 00:00:00

pages

123-9

issue

2

eissn

0166-0934

issn

1879-0984

pii

S0166093496020939

journal_volume

62

pub_type

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