B7-2基因工程抗体的制备及体内外抗B淋巴瘤作用研究

刘玉华; 孙; 杰; 陈明心; 郭静雅; 胡玲玲; 王艳茹; 高增燕; 朱晓燕; 邱玉华

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B7-2基因工程抗体的制备及体内外抗B淋巴瘤作用研究

研究论文 | 更新时间：2023-12-11

- B7-2基因工程抗体的制备及体内外抗B淋巴瘤作用研究
- Preparation of B7-2 Genetic Engineering Antibody and Studying of AntiB lymphoma Effect in vivo and vitro
- 中山大学学报(自然科学版)(中英文) 2010年49卷第3期页码：107-112
- 作者机构：
  
  苏州大学医学部免疫学系,江苏,苏州,215123
- 作者简介：
- 基金信息：
- DOI：
  中图分类号：
- 纸质出版日期：2010，
  
  网络出版日期：2010-5-25，
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刘玉华, 孙, 杰, 等. B7-2基因工程抗体的制备及体内外抗B淋巴瘤作用研究[J]. 中山大学学报(自然科学版)(中英文), 2010,49(3):107-112.

LIU Yuhua, SUN Jie, CHEN Mingxin, et al. Preparation of B7-2 Genetic Engineering Antibody and Studying of AntiB lymphoma Effect in vivo and vitro[J]. Acta Scientiarum Naturalium Universitatis SunYatseni, 2010,49(3):107-112.
刘玉华, 孙, 杰, 等. B7-2基因工程抗体的制备及体内外抗B淋巴瘤作用研究[J]. 中山大学学报(自然科学版)(中英文), 2010,49(3):107-112. DOI：

LIU Yuhua, SUN Jie, CHEN Mingxin, et al. Preparation of B7-2 Genetic Engineering Antibody and Studying of AntiB lymphoma Effect in vivo and vitro[J]. Acta Scientiarum Naturalium Universitatis SunYatseni, 2010,49(3):107-112. DOI：

摘要

构建B7-2人-鼠嵌合抗体基因表达质粒pIRES/ch3C8，经脂质体法转染真核表达细胞株CHO制备B7-2人-鼠嵌合抗体（命名为ch3C8）。该抗体能够识别人恶性B淋巴瘤细胞株Raji表面的B7-2分子并诱导其凋亡。ch3C8结构中来源于人Ig 的Fc段可介导高效的ADCC及CDC效应。经ch3C8结合的Raji细胞接种于BALB/c裸鼠后的致瘤性消失。该抗体在 B7-2相关肿瘤的生物治疗中具有潜在的应用价值。

Abstract

Gene expression plasmid pIRES/ch3C8 of B7-2 humanmouse chimeric antibody was constructed

eukaryotic cell line CHO was transfected with pIRES/ch3C8 by liposome method

and prepared B7-2 humanmouse chimeric antibody (named ch3C8). It could recognize B7-2 molecule on Raji

which is a human malignant B lymphoma cell line

and induce apoptosis of Raji. In addition

the ADCC and CDC effect was effectively mediated with the Fc fragment of the ch3C8 which come from human Ig. It was further showed that Raji lost oncogenicity with ch3C8 treated

which inoculated BALB/c nude mouse. ch3C8 will have a potential application value on B7-2 related tumor biotherapy.

关键词

B7-2嵌合抗体淋巴瘤凋亡ADCC效应CDC效应

Keywords

B7-2chimeric antibodylymphomaapoptosisADCC effectCDC effect

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