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抗人绒毛膜促性腺激素单克隆抗体的制备与鉴定 被引量:2

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摘要 目的:制备抗人绒毛膜促性腺激素(HCG)的单克隆抗体(mAb)。方法:利用从人工流产刮宫物中提取的HCG免疫BALB/c小鼠,取其脾细胞同NS-1小鼠骨髓瘤细胞融合,采用有限稀释法筛选杂交瘤细胞株,并对mAb的亚型、亲和力及特异性进行鉴定。结果:共获得26株能稳定分泌抗HCG特异性mAb的杂交瘤细胞株。mAb的亚类均为IgG1,亲和力介于1.14×10^8-2.0×10^8mol/L之间,其中4株mAb与HCG的β亚基有较强的反应,而与黄体激素(LH)、促卵泡激素(FSH)、促甲状腺激素(TSH)均无交叉反应。结论:成功获得4株鼠抗人HCG mAb的杂交瘤细胞株,其分泌的mAb能特异识别人HCG的β亚基,可用于早孕、肿瘤等诊断的进一步研究。
出处 《细胞与分子免疫学杂志》 CAS CSCD 北大核心 2008年第11期1102-1103,共2页 Chinese Journal of Cellular and Molecular Immunology
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