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乙型肝炎病毒表面抗原的截短片段P165在酵母中表达

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摘要 目的 利用毕赤酵母表达系统表达含有乙型肝炎病毒表面抗原(HBsAg)“a”决定簇的截断片段。方法 构建包含HBsAg “a”决定簇的片段:1-165、29-165、46-165、60-165、99-165、115-165、118-152编码基因的真核表达质粒pPICZαA,电转染毕赤酵母宿主菌SMD1168,甲醇诱导蛋白质表达。采用SDS-聚丙烯酰胺凝胶电泳(SDS-PAGE)、免疫印迹(Western blot)和双抗体夹心酶联免疫吸附试验(DS-ELISA)检测截短蛋白的表达。结果 SDS-PAGE未检测到1-165、29-165、46-165、60-165、99-165、115-165、118-152片段的明确表达条带。而Western blot和DS-ELISA结果显示,1-165片段可以在毕赤酵母SMD1168表达系统表达。结论 HBsAg 1-165片段在毕赤酵母表达系统表达,为进一步研发真核表达的可溶性HBV工程疫苗奠定了实验基础。
作者 吕小明 施妍
出处 《九江学院学报(自然科学版)》 CAS 2022年第2期120-124,共5页 Journal of Jiujiang University:Natural Science Edition
基金 安徽省高校自然科研项目(编号KJ2021A1390) 安徽省高校自然科研项目(编号KJ2020A0980)的成果之一。
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