UM
Residential Collegefalse
Patent NumberCN 111944850 A
Status申請中 Pending
表达抗CD22嵌合抗原受体和PD-L1阻断蛋白 的细胞的制备方法、表达载体及应用
2020-11
Rights Holder澳門大學
趙琦; 刘婕
Country中國
Subtype发明专利Invention
Abstract

本发明公开了表达抗CD22嵌合抗原受体和 PD‐L1阻断蛋白的细胞的制备方法、表达载体及 应用,涉及医药生物技术领域。表达载体插入有 编码抗CD22嵌合抗原受体的第一核酸和编码PD‐ L1阻断蛋白的第二核酸。利用CD22靶标和PD‐L1 靶标,通过靶向CD22的抗体或其片段,本发明的T 细胞可高效、特异性地靶向表达抗原CD22的肿瘤 细胞;PD‐L1阻断蛋白可以与内源表达的PD‐1竞 争结合靶细胞上的PD‐L1,从而阻断PD‐1/PD‐L1 信号通路,延长了本发明上述T细胞的作用时间, 提高了肿瘤杀伤作用,由此缓解了实体瘤对CAR T细胞疗法的免疫耐受性的问题。

Document TypePatent
CollectionUniversity of Macau
Affiliation澳門大學
Recommended Citation
GB/T 7714
趙琦,刘婕. 表达抗CD22嵌合抗原受体和PD-L1阻断蛋白 的细胞的制备方法、表达载体及应用. CN 111944850 A[P]. 2020-11-01.
APA 趙琦., & 刘婕 表达抗CD22嵌合抗原受体和PD-L1阻断蛋白 的细胞的制备方法、表达载体及应用.
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