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    • 9. 发明申请
    • HUMANIZED T CELL MEDIATED IMMUNE RESPONSES IN NON-HUMAN ANIMALS
    • 人类T细胞介导的非人动物免疫反应
    • WO2016164492A3
    • 2016-12-15
    • PCT/US2016026260
    • 2016-04-06
    • REGENERON PHARMA
    • MACDONALD LYNNMURPHY ANDREW JGURER CAGANKYRATSOUS CHRISTOS
    • A01K67/027
    • A01K67/0278A01K2207/15A01K2217/072A01K2217/15A01K2267/01C07K16/00
    • Disclosed herein are non-human animals (e.g., rodents, e.g., mice or rats) genetically engineered to express a humanized T cell co-receptor (e.g., humanized CD4 and/or CD8 (e.g., CD8α and/or CD8β )), a human or humanized T cell receptor (TCR) comprising a variable domain encoded by at least one human TCR variable region gene segment and/or a human or humanized major histocompatibility complex that binds the humanized T cell co-receptor (e.g., human or humanized MHC II (e.g., MHC II α and/or MHC II β chains) and/or MHC I (e.g., MHC I α ) respectively, and optionally human or humanized β2 microglobulin). Also provided are embryos, tissues, and cells expressing the same. Methods for making a genetically engineered animal that expresses at least one humanized T cell co-receptor (e.g., humanized CD4 and/or CD8), at least one humanized MHC that associates with the humanized T cell co-receptor (e.g., humanized MHC II and/or MHC I, respectively) and/or the humanized TCR are also provided. Methods for using the genetically engineered animals that mount a substantially humanized T cell immune response for developing human therapeutics are also provided.
    • 本文公开了基因工程化以表达人源化T细胞共同受体(例如,人源化CD4和/或CD8(例如CD8α和/或CD8β)),非人动物(例如小鼠或大鼠) 包含由至少一个人TCR可变区基因区段编码的可变结构域和/或结合人源化T细胞共同受体的人或人源化主要组织相容性复合物的人或人源化T细胞受体(TCR)(例如人或人源化MHC II(例如,MHC IIα和/或MHC IIβ链)和/或MHC I(例如,MHC Iα)以及任选的人或人源化β2微球蛋白)。 还提供了胚胎,组织和表达相同的细胞。 制备表达至少一种人源化T细胞共同受体(例如,人源化CD4和/或CD8)的基因工程化动物的方法,至少一种与人源化T细胞共同受体结合的人源化MHC(例如人源化MHC II 和/或MHC I)和/或人源化TCR。 还提供了使用基本上人源化T细胞免疫应答的基因工程动物用于开发人类治疗剂的方法。