Laboratory Medicine ›› 2015, Vol. 30 ›› Issue (12): 1234-1237.DOI: 10.3969/j.issn.1673-8640.2015.12.017

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Automatic ELISA system for the detection of anti-mitochondrial M2 antibody and its clinical significance

ZHANG Haiping, YAN Huiping, ZHANG Xin, ZHAO Dantong, MA Yinxue, SUN Limei, LI Zhuomin.   

  1. Beijing Youan Hospital, Capital Medical University, Beijing 100069, China
  • Received:2015-02-28 Online:2015-12-20 Published:2016-01-04

Abstract:

Objective To detect anti-mitochondrial M2 antibody by automatic enzyme-linked immunosorbent assay(ELISA) system and to investigate its clinical significance.Methods A total of 267 serum samples[(112 samples from patients with primary biliary cirrhosis (PBC), 77 samples from patients infected with hepatitis B virus (HBV)and 78 samples from healthy controls] were detected for anti-mitochondrial M2 antibody by automatic ELISA system. The precision and the clinical significance of detecting anti-mitochondrial M2 antibody were evaluated. Results The precision was good .The within-run and inter-day coefficients of variation(CV) were <5%. The patients with PBC had positive rate 89.3% (100/112) for anti-mitochondrial M2 antibody, usually in high levels (>800RU/mL, 63%, 71/112). The positive rate of anti-mitochondrial M2 antibody was 5.2%(4/77)in patients with HBV infection, including 3 cases of 25-100 RU/mL and 1 case of >100 RU/mL, and it was 5.1%(4/78)in healthy subjects. Conclusions Automatic ELISA system for the detection of anti-mitochondrial M2 antibody guarantees the stability of results. It will provide valuable laboratory reference for the diagnosis of PBC and the differential diagnosis for other liver diseases.

Key words: Anti-mitochondrial M2 antibody, Primary biliary cirrhosis, Enzyme-linked immunosorbent assay

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