BK病毒样颗粒制备及血清学检测方法的建立
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国家自然科学基金(81373311,31300674,81173093,30970643,J1103518); 四川省青年科技创新研究团队(2011JTD0026)


Preparation of virus like particles and establishment of the serological detection method for BK polyomavirus in China
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    摘要:

    将BK病毒 ( BK polyomavirus, BKV )的结构蛋白VP1 通过重组杆状病毒在昆虫细胞中表达, 并自发装配成BKV病毒样颗粒(BK virus like particles, BK VLPs). 以BK VLPs作为包被抗原建立了间接酶联免疫吸附试验(enzyme linked immunosorbent assay, ELISA)的血清学检测方法: 抗原最佳包被浓度为3.1 μg/mL, 血清最佳稀释度为1∶200, 酶标抗体最佳工作稀释度为1∶40000.并以该方法在国内对540名健康成年人进行BKV抗体阳性率情况调查, 结果显示我国健康成年人BKV抗体阳性率为79.94%.

    Abstract:

    In this study, the expression of viral capsid proteinVP1 of BK polyomavirus (BKV) in insect cells was reported. The expressed BKV VP1s were demonstrated to be self assembled into BKV virus like particles (BK VLPs) and could be used as antigen to establish the indirect enzyme linked immunosorbent assay (ELISA) for detection of human serum antibody to BK virus. The optimal concentration of coated antigen was 3.1μg/mL, and the best dilution of human serum samples and HRP labeled secondary antibody was 1∶200 and 1∶40000, respectively. Total 540 serum samples of healthy Chinese adults were investigated in their serum antibodies to BKV by using the established method and the results showed that the BKV antibody positive rate of the healthy adults in China was 79.94%.

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引用本文格式: 李晓雨,刘瑞熙,杨春,李小姣,唐诗佳,杨硕,武志强,刘兰军,鲍锦库. BK病毒样颗粒制备及血清学检测方法的建立 [J]. 四川大学学报: 自然科学版, 2015, 52: 1404~1410.

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  • 收稿日期:2014-08-28
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  • 在线发布日期: 2015-12-10