효소면역측정법과 화학발광면역측정법을 이용한 B형간염표면항원 검사의 비교
Comparison Study with Enzyme Immunoassay and Chemiluminescence Immunoassay forHepatitis B Virus Surface Antigen Detection
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초록
배경 : B형간염표면항원 검사는 B형간염 환자 진단 및 무증상인의 선별검사를 위한 가장 기본이 된다. 저자들은 국내에서 이용되는 효소면역측정법과 화학발광면역측정법을 적용한 표면항원검사 장비와 시약들을 비교하였다.방법 : Architect i2000 (Abbott Laboratories, USA), Elec-sys 2010 immunoanalyzer (Roche Diagnostics, Germany),Advia Centaur (Bayer Healthcare LLC, USA), Murex HBs-Ag version 3 (Abbott Laboratories), Enzygnost HBsAg 5.0(DADE Behring, Germany), LG HBsAg ELISA (LG생명과학, 대한민국)와 제네디아 에취비에스에이지 엘리자 3.0 (녹십자상아, 대한민국)의 7종류 시약들을 비교하였다. 민감도를 평가하기 위해 두 종류의 역가 반전 패널, WHO 표준물질의 계대 희석혈청과 3종류의‘a’결정기 돌연변이로 구성된 B형간염표면항원재조합 물질을 사용하였다. 결과 : Murex와 Advia B형간 염표면항원 시약의 WHO 표준물질을 이용한 최소검출 농도는 0.05 IU/mL, 그외 시약의 농도는 0.075 IU/mL에서 0.2 IU/mL로 다양했다. 역가 반전 패널검체 21검체 중 Murex B 형간염표면항원 시약은 15검체에서 양성이었고 Architect B형간염표면항원 시약은 14검체, 그외 시약들은 10검체에서 13검체까지 다양한 양성 정도를 보였다. Murex와 LG 그리고 Architect의 B형간염표면항원 시약은 재조합 B형간염표면항원 돌연변이 3종을 검출하였다.
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