期刊
JOURNAL OF VIROLOGICAL METHODS
卷 248, 期 -, 页码 107-115出版社
ELSEVIER
DOI: 10.1016/j.jviromet.2017.06.016
关键词
HCV; Viral load monitoring; RT-qPCR; Sample prep
资金
- National Cancer Institute [UH2 CA189965-01]
The lack of hepatitis C virus (HCV) diagnostic tests designed for use in decentralized settings is a major obstacle for providing access to treatment and prevention services particularly in low and middle income countries. Here we describe the development and validation of two building blocks of the HCV Quant Assay, a test in development for point-of-care use: 1) an RT-qPCR assay with noncompetitive internal control that equivalently detects the 6 major HCV genotypes and 2) an automated sample prep method using immiscible phase filter technology. This novel assay has wide dynamic range of HCV quantification and a limit of detection of 30 IU/ml with 200111 specimen volume. In a preliminary study of 61 clinical specimens, the HCV Quant Assay demonstrated 100% sensitivity and specificity and gave comparable viral load results across 4 logs of IU/ml when compared to the Abbott RealTime HCV Assay.
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