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- W1987373519 abstract "The performance of an automated system for the HCV core antigen assay using the Lumispot LS-2000 automated analyzer was evaluated against that of the COBAS AMPLICOR HCV MONITOR Test, version 2.0 (COBAS HCM-2) for the testing of sera from 155 chronic hepatitis C patients. The within-run coefficient of variations (CVs) and the between-day CVs were <9.6 and <8.4%, respectively. The analytical detection limit of the HCV core antigen assay was 5.0 fmol/l and it was linear up to at least 45000 fmol/l. No blood elements interfered with the assay. HCV core antigen levels were significantly correlated with HCV RNA levels in both serogroup 1 and serogroup 2 (r=0.829, P<0.001). It is estimated that 100 fmol/l of HCV core antigen level was equivalent to approximately 30000 IU/ml of HCV RNA level. Three sera had HCV core antigen levels below the detection limit of the assay and their HCV RNA levels as determined by COBAS HCM-2 assay were very low at 1000, 1100 and 1700 IU/ml, respectively. In six IFN responders among seven patients, HCV core antigen levels were in parallel with HCV RNA levels. In conclusion, since this assay demonstrated good reproducibility, a favorable dynamic range and adequate sensitivity, it may be useful as an alternative direct marker of viral level monitoring in patients with hepatitis C." @default.
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- W1987373519 date "2003-09-01" @default.
- W1987373519 modified "2023-10-02" @default.
- W1987373519 title "Performance of an automated system for quantitation of hepatitis C virus core antigen" @default.
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- W1987373519 doi "https://doi.org/10.1016/s0166-0934(03)00195-2" @default.
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