hPD-L2

品系全名

C57BL/6JSmo-Pdcd1lg2tm1(hPDCD1LG2)Smoc

目录号

NM-HU-190050

品系状态

胚胎冻存

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基因信息

基因名
Pdcd1lg2

品系描述

将小鼠Pdcd1lg2基因全部或者部分替换为人源PDCD1LG2,从而表达人或人鼠嵌合PDCD1LG2蛋白,取代小鼠内源Pdcd1lg2蛋白的表达。
应用领域:免疫治疗;肿瘤研究;药物筛选

验证数据

PD-L2-1.png

图1. PD-L2人源化小鼠构建策略。

PD-L2-2.png

图2. RT-PCR鉴定结果图。引物对 P1/2 特异针对野生型小鼠,引物对 P3/4 特异针对PD-L2人源化小鼠。WT小鼠用 P1/2 引物对可扩增出 404bp 产物;人源化小鼠用 P3/4 引物对可扩增出 405 bp 产物。

引物对 P1/2 Wild type = 404 bp

引物对 P3/4 mutant = 405 bp

M:100bp Plus DNA ladder from Transgen (BM311)

PD-L2-3.png

图3 FACS 检测PD-L2人源化小鼠脾脏中人源PD-L2的表达。

PD-L2人源化小鼠通过尾静脉注射刀豆蛋白(12mg/kg)刺激4h,取脾脏细胞进行流式验证。结果显示: PD-L2人源化杂合子小鼠脾脏中既可以检测到人源PD-L2的表达,也可以检测到鼠源PD-L2 的表达;而PD-L2人源化纯合子小鼠脾脏中只检测到人源PD-L2的表达。



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