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人乳头瘤病毒18型E2蛋白抗体制备及鉴定

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摘要 目的研究人乳头瘤病毒(human papillomavirus,HPV)18型E2蛋白的生物学活性,制备人乳头瘤病毒18型E2蛋白特异性抗体。方法使用原核表达载体pET28a(+)中表达、镍螯合亲和层析胶体纯化的全长HPV18E2蛋白免疫日本大耳白兔,制备多克隆抗体。通过酶联免疫吸附实验(ELISA),Western Blot法和免疫组织化学法检测抗体特异性。结果ELISA法检测显示:抗E2抗血清稀释滴度可达1∶10000以上,并能通过Western Blot法和免疫组织化学法检测到真核细胞表达的HPV18E2蛋白,提示具有较高抗体滴度和较强特异性。结论以原核表达系统表达并纯化的全长HPV18E2蛋白免疫日本大耳白兔,制备得到了多克隆抗体能够检测真核细胞表达的E2蛋白,为进一步研究HPV18E2提供了有用的工具。
出处 《广东医学》 CAS CSCD 北大核心 2009年第9期1255-1257,共3页 Guangdong Medical Journal
基金 湖北省教育厅自然科学研究重点项目(编号:D200713004)
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参考文献7

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