hPD-1/hCTLA-4
品系全名
C57BL/6JSmo-Pdcd1tm1(hPDCD1)Ctla4tm1(hCTLA4)Smoc
目录号
NM-HU-00079
品系状态
胚胎冻存
品系描述
验证数据
PD-1 expression in stimulated T cells


图1 FACS 检测 PD-1&CTLA-4 双人源化纯合子小鼠人源 PD-1 和 CTLA-4 的表达。
结果显示在 PD-1&CTLA-4 双人源化纯合子小鼠可以检测到人源 PD-1 和 CTLA-4 的表达。
药效验证数据

图2 PD-1&CTLA-4 双人源化小鼠 MC38 荷瘤模型体内抗肿瘤药效验证。PD-1&CTLA-4 双人源化纯合子小鼠接种 MC38 人源化结肠癌细胞系,肿瘤生长至约 100 mm3 时,随机将动物分组为对照组和不同组合的治疗组(n=8)。
结果显示:针对人的 PD-1 抗体和 CTLA-4 抗体联合使用,与单独治疗组相比,有非常显著的抗肿瘤效果,证明 PD-1&CTLA-4 双人源化小鼠是一个很好的验证针对人 PD-1&CTLA-4 抗体联合药效的体内模型。
肿瘤二次接种生长数据

图3.如图2所示,第1-4组的动物接受不同剂量的单药或联合治疗。 该图显示了治愈的G4小鼠体内植入肿瘤的进展,暗示了通过组合抗体治疗诱导的系统性抗肿瘤作用。
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