抗人TNF-α人-鼠嵌合抗体基因在CHO细胞中的表达

来源 :中国生物制品学杂志 | 被引量 : 0次 | 上传用户:asdf20091234567889
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目的构建抗人TNF-α人-鼠嵌合抗体基因,并在CHO细胞中表达.方法采用RT-PCR及RACE技术从鼠杂交瘤细胞克隆免疫球蛋白可变区基因,与人免疫球蛋白恒区基因拼接,构建人-鼠嵌合抗体基因,转染CHO细胞并测定其表达量.结果构建的嵌合抗体基因在CHO细胞中的初始表达量为0.71μg/ml,亚克隆后表达量达0.95μg/ml.结论已成功构建抗人TNF-α嵌合抗体基因,并在CHO细胞中得到了高效表达.
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