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J Lab Med Qual Assur. 2009 Dec;31(2):275-279. Korean. Original Article.
Kim M , Lee DY , Chang YH , Lee JK , Hong SI , Hong YJ .
Department of Laboratory Medicine, Korea Cancer Center Hospital, Seoul, Korea, clinchem@hotmail.com
Abstract

BACKGROUND: Real-time PCR has been widely used not only for quantification?of disease-related genes but also for detection of bacteria or viruses. In this study, we evaluated the performance of Artus HBV LC PCR kit (Qiagen, Hilden, Germany) using recently developed SLAN real-time PCR detection system (Shanghai Hongshi Medical Technology Co., Shanghai, China) to assess clinical relevance of the new instrument. METHODS: Precision, linearity and detection limit of Artus HBV LC PCR kit were evaluated using SLAN real-time PCR detection system. We also compared the SLAN real-time PCR detection system with LightCycler 1.5 (Roche Molecular System, Branchburg, NJ, USA) and ABI PRISM 7500 (Applied Biosystems, Foster City, CA, USA). WHO International Standard for HBV DNA Nucleic Acid Amplification Techniques (NIBSC code:97/750) and 40 HBV DNA positive sera were tested for this evaluation. RESULTS: Within-run and between-day coefficients of variation were 5.63%, 4.01% at 6.2x10(3) IU/mL and 1.12%, 0.80% at 2.1x10(1) IU/mL, respectively. Linearity was verified from 1.0x10(1) to 1.0x10(5) IU/mL (r(2)=1.000; slope=1.1412). Detection limit for HBV DNA was verified to be 7.54 IU/mL. It showed a good correlation with LightCycler 1.5 (r=0.9723) and ABI PRISM 7500 (r=0.9768). CONCLUSIONS: Artus HBV LC PCR kit using SLAN real-time PCR detection system showed a good precision, linearity and assay sensitivity. It correlated well with LightCycler 1.5 and ABI PRISM 7500. We conclude that it can be used in clinical laboratories for nucleic acid quantification.

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