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抗环子孢子蛋白保守II+区单克隆抗体的制备及鉴定
引用本文:张瑞娟,朱淮民,李翔宇. 抗环子孢子蛋白保守II+区单克隆抗体的制备及鉴定[J]. 中国寄生虫学与寄生虫病杂志, 2004, 2(2): 83-85
作者姓名:张瑞娟  朱淮民  李翔宇
作者单位:张瑞娟(第二军医大学病原生物学教研室,上海,200433)      朱淮民(第二军医大学病原生物学教研室,上海,200433)      李翔宇(第二军医大学病原生物学教研室,上海,200433)
摘    要:
目的 获得针对恶性疟原虫环子孢子蛋白 (CSP)保守II+ 区 (RegionII+ )的单克隆抗体。 方法 采用恶性疟原虫保守II+ 区十二肽 (EWSPCSVTCGNG)免疫BALB/c小鼠 ,经融合 ,ELISA 3次筛选 ,获得 3株分泌针对保守II+ 区单克隆抗体的杂交瘤细胞株。 结果 ELISA检测结果显示单抗能与重组表达的恶性疟原虫CSP片段及天然CSP特异性反应。间接荧光抗体检测显示 ,单抗不仅能识别恶性疟原虫子孢子 ,也能识别约氏疟原虫子孢子。 结论 成功地获得了针对恶性疟原虫CSP保守II+ 区的单克隆抗体。

关 键 词:疟原虫属  单克隆抗体  环子孢子蛋白  保守II+
文章编号:1000-7423(2004)-02-0083-03
修稿时间:2003-06-11

Preparation and Identification of Monoclonal Antibodies against the Region II+ Motif in Circumsporozoite Protein of Plasmodium falciparum
ZHANG Rui-juan,ZHU Huai-min,LI Xiang-yu. Preparation and Identification of Monoclonal Antibodies against the Region II+ Motif in Circumsporozoite Protein of Plasmodium falciparum[J]. Chinese Journal of Parasitology and Parasitic Diseases, 2004, 2(2): 83-85
Authors:ZHANG Rui-juan  ZHU Huai-min  LI Xiang-yu
Affiliation:Department of Etiological Biology, Second Military Medical University, Shanghai 200433, China.
Abstract:
OBJECTIVE: To develop and identify the monoclonal antibodies (McAbs) against Region II+ motif in circumsporozoite protein of Plasmodium falciparum. METHODS: BALB/c mice were immunized with 12 peptides within Region II+ in circumsporozoite protein of P. falciparum. Spleen cells isolated from the immunized mice were fused with myeloma cell. After three times screening with ELISA, 3 positive hybridoma cell lines were obtained. RESULTS: ELISA test indicated that the McAbs reacted with recombinant circumsporozoite protein fragment containing tandemly repeat region and conserved Region II+. IFA test showed that the McAbs recognized not only the sporozoites of P. falciparum, but also the sporozoifes of P. yoelii. CONCLUSION: McAbs obtained can probe the Region II+ motif in circumsporozoite protein of P. falciparum, which might also recognize that of other Plasmodium species.
Keywords:Plasmodium')"  >Plasmodium  monoclonal antibody  circumsporozoite protein  +')"  >Region II+
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