Patent ID: 11778994

Abstract:
A NOD.Cg-PrkdcscidH2rgtm1 Wjl/SzJ.(NOD-scid-IL2rγnull, NSG) mouse which is genetically modified such that the en NSG mouse lacks functional major histocompatibility complex I (MHC I) and lacks functional major histocompatibility complex II (MHC II) is provided according to aspects of the present, invention. According to specific aspects the genetically modified NSG mouse, is a NOD.Cg-PrkdcscidH2-K1tml Bpe H2-Ab1eml Mvw H2-D1tml Bpe H2rgtm Wjl/SzJ (NSG-Kb Db)null(IAnull)) mouse, NSG-RIP-DTR (Kb Db)null(IAnull) mouse, or a NOD.Cg-B2mtmlUnePrKdcscidH2dlAb1-EH2rgtm1 Wjl/SzJ (NSG-B2Mnull(IA IEnull)) mouse. Human, immune cells and/or human: tumor cells are administered to a genetically modified immunodeficient mouse according to aspects described herein and assays of one or more test substances can be performed using the provided mice.