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. 2021 Jun 5;112(7):2592–2606. doi: 10.1111/cas.14934

TABLE 1.

Immunodeficient mouse strains for human immune system engraftment

Mouse model Strain/Characteristics Life span T B NK DC MQ Com. References
Nude Spontaneous mutation of Foxn1 causing lack of thymic tissue >18 mo + + + + + 117
scid

CB17‐Prkdcscid −/−

Defect in DNA protein kinase, no functional rearrangement of antigen‐specific receptors

<12 mo + + + + 118
NOD‐scid

NOD.CB17‐Prkdc scid−/−

Expression of the scid mutation on the NOD strain background

<10 mo FI FI FI 119, 120, 121
NSG

NOD. Cg‐Prkdcscid IL2rgtm1Wjl/SzJ

NOD‐scid combined with IL2rg−/−

>18 mo FI FI 11, 122
NOG

NOD cg‐PrkdcscidIl2rgtm1Sug

Similar to NSG, with truncated IL2rg (enables binding but not signaling of cytokines)

>18 mo FI FI 39, 123
NRG

NOD. Cg‐ Rag1tm1Mom IL2rgtm1Wjl

NOD, RAG1−/− and IL2rg−/− combined

ND FI FI 12, 15, 20
BRG

BALB/c Rag2null IL‐2Rgcnull

interbreeding of NOG and BALB/c‐Rag2null

ND FI FI 14, 124
BRGS

BALB/c Rag2null IL‐2Rgcnull NOD.sirpa

BRG mice with integration of the NOD/Lt Sirpa polymorphism

ND FI FI 125, 126

Abbreviations: Com., complement; DC, dentritic cell; FI, function impaired; Foxn1, forkhead box protein; IL2Rgc, interleukin‐2 receptor γ‐chain; MQ, macrophage; ND, not determine; NK, natural killer; NOD, non‐obese diabetic; NSG, NOD‐scid combination; Prkdc, protein kinase DNA activated, catalytic polypeptide; Rag, recombination activating gene; scid, severe combined immunodeficiency; SIRPa, signal regulatory protein a.