期刊
MEDICAL SCIENCE MONITOR
卷 24, 期 -, 页码 6816-6822出版社
INT SCIENTIFIC INFORMATION, INC
DOI: 10.12659/MSM.910369
关键词
Antibodies, Anticardiolipin; Antiphospholipid Syndrome; Luminescence
资金
- National Natural Science Foundation of China [61221077]
Background: Laboratory criterion is needed for the classification of antiphospholipid syndrome (APS), which contain anticar- diolipin antibodies (aCL) and anti-beta 2-glycoprotein 1 antibodies (a beta 2GP1). They are commonly identified by enzyme-linked immunosorbent assay (ELISA), but lack standardized kits, resulting in substantial variations in the antibody positivity between different laboratories. The emergence of chemiluminescence automated BIO-FLASH may improve the situation. Material/Methods: We selected 185 patients with APS, systemic lupus erythematosus (SLE), infertility, connective tissue dis- ease (CTD), and other conditions in Peking University Third Hospital. We tested the aCL and a beta 2GP1 levels by EUROIMMUN ELISA and 105 patients had at least one positive result for aCL and a beta 2GP1, while the others had negative results. We retested them by chemiluminescence assay (CIA) and analyzed the result and compared the coincidence rate. The IgM levels were retested by AESKU ELISA. Data were analyzed using SPSS. Results: Our result suggested that CIA had good performance for IgG isotype of aCL and a beta 2GP1 in the coincidence rate. The positive coincidence rate of aCL IgM between CIA and EUROIMMUN ELISA was only 41.67%, but two ELISA kits showed good coincidence, CIA and AESKU ELISA had an obviously higher positive rate. CIA and AESKU had a higher coincidence than that of AESKU and EUROIMMUN in al32GP1-IgM. Conclusions: The new automated CIA BIO-FLASH is suitable for detecting aCL and a beta 2GP1 antibodies, especially IgG isotype, which may provide an alternative to time-consuming conventional ELISA method.
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