## Abstract A sensitive and reproducible realโtime PCR assay based on TaqMan technology was developed for the detection and quantitation of hepatitis B virus (HBV) DNA in serum, and compared with an โinโhouseโ qualitative PCR assay. HBV DNA was measured in 125 serum samples from 76 hepatitis B pati
Detection of hepatitis B virus DNA by duplex scorpion primer-based PCR Assay
โ Scribed by De-Ming Kong; Han-Xi Shen; Huai-Feng Mi
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 447 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0256-7660
No coin nor oath required. For personal study only.
โฆ Synopsis
Abstract
The application of a new fluorogenic probeโbased PCR assay (PCR duplex scorpion primer assay) to the detection of Hepatitis B virus (HBV) DNA in human sera was described. Duplex scorpion primer is a modified variant of duplex Amplifluor, and the incorporation of a PCR stopper between probe and primer sequences improve the detection specificity and sensitivity. Combined with PCR amplification, this probe can give unambiguous positive results for the reactions initiated with more than 20 HBV molecules. In addition, the particular unimolecular probing mechanism of this probe makes the use of short targetโspecific probe sequence possible, which will render this probe applicable in some specific systems.
๐ SIMILAR VOLUMES
Hepatitis G virus(HGV)/GB virus C(GBV-C) is a newly identified virus associated with human hepatitis. The preliminary prevalence studies of HGV infection in Japan were entirely based on the detection of HGV RNA by RT-PCR. However, the selection of the different primer sets in such assay may influenc
We examined sequential serum samples from 12 patients with well-characterized posttransfusion non-A, non-B hepatitis who had an acute, resolving self-limited type of clinical course for the presence of antibody to the hepatitis C virus nucleocapsid (core) protein (p22) expressed by a recombinant bac
## Abstract Hepatitis B virus (HBV) covalently closed circular DNA (cccDNA) serves as a template for viral replication and plays a role in persistence of HBV infection. The origin and significance of cccDNA in plasma however, is not well understood. A sensitive, specific, and reproducible realโtime
## Abstract Waterโsoluble fluorescent conjugated polymers can be used as an optical platform in highly sensitive DNA sensors. Here we report a simple labelโfree DNA sensor using poly(3โalkoxyโ4โmethylthiophene) to recognize and detect different oligonucleotide targets related to the YMDD gene mutat
Quantitative measurement of hepatitis B virus (HBV) DNA has become important in the clinical diagnosis of patients with chronic hepatitis B, especially in patients with hepatitis B e antigen (HBeAg)-negative precore mutant and in patients who received treatment with interferon or antiviral agents. T