hCTLA-4

品系全名

C57BL/6Smoc-Ctla4tm1(hCTLA4) Smoc

目录号

NM-HU-00014

品系状态

活体

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基因信息

基因名
CTLA4

品系描述

通过同源重组,将小鼠基因Ctla4进行人源化修饰。与此相似的品系还有hCTLA4(2)(NM-HU-190038),详细信息请咨询技术顾问。
应用领域:肿瘤研究;免疫治疗;药物筛选;

验证数据

  • CTLA4人源化小鼠流式分析(FACS)数据

免疫检查点人源化小鼠-18.05.16-002-01.jpg

图1.  FACS 检测CTLA4 人源化小鼠活化后脾脏淋巴细胞的CTLA4 表达。CTLA4 人源化纯合子小鼠脾脏淋巴细胞经anti-CD3 和anti-CD28刺激 72h 后收集细胞染色,FACS 检测人源CTLA4 表达。结果显示:CTLA4 人源化纯合子小鼠活化的CD4+ 和CD8+ T 淋巴细胞中可以检测到人源CTLA4 的活跃表达。(与CrownBio 合作完成)


  • CTLA4人源化小鼠MC38荷瘤模型体内验证结果

CTLA4-1.pngCTLA4-2.png

图2. CTLA4人源化小鼠模型的抗CTLA4人源化抗体Ipilimumab 体内抗肿瘤效果 

CTLA4 人源化小鼠 MC38 荷瘤模型体内抗肿瘤药效验证。CTLA4 人源化纯合子小鼠接种 MC38 结肠癌细胞系,结果显示: 针对人的 CTLA4 阳性药物 Yervoy 有非常显著的抗肿瘤效果(p<0.001),证明CTLA4 人源化小鼠是一个很好的验证针对人 CTLA4 抗体药效的体内模型。




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