日本斑點(diǎn)熱立克次體近緣株重組OmpB蛋白抗原性研究
[Abstract]:Objective to investigate the clinical diagnosis and epidemiological investigation of Rickettsia speckle fever. Methods the prokaryotic expression plasmid R.Japonica Anhui 120 strain OmpB was constructed, the recombinant protein was identified and purified, and the indirect ELISA assay was established to detect the specific IgG antibody of Rickettsia macularis in 120 clinical samples. The sensitivity and specificity of the method were evaluated. Results High expression and high purity of OmpB recombinant protein were obtained. The indirect ELISA method system had good specificity and sensitivity compared with the diagnostic kit approved by the Food and Drug Administration of the United States, and the specificity of the two methods was 100%. The sensitivity was 96.7%, the coincidence rate was 99.2%, and the Kappa value was 0.98. Conclusion OmpB recombinant protein has good immunoreactivity and can detect IgG antibody against Rickettsia speckle fever in different places. Indirect ELISA method can be used as a technical reserve for clinical diagnosis, epidemiological investigation and scientific research.
【作者單位】: 安徽醫(yī)科大學(xué)微生物教研室;
【基金】:國(guó)家自然科學(xué)基金(編號(hào):81571963) 安徽省自然科學(xué)基金(編號(hào):1608085MH213) 安徽省高等學(xué)校省級(jí)自然科學(xué)研究項(xiàng)目(編號(hào):KJ2015A020、KJ2016A331) 安徽醫(yī)科大學(xué)博士啟動(dòng)基金(編號(hào):XJ201314、XJ201430、XJ201503)
【分類號(hào)】:R513
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