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Symbol
Name
ID
B2m
beta-2 microglobulin
MGI:88127
Phenotype annotations related to immune system
Darker colors indicate more annotations
Human Phenotypes
Abnormal circulating IgA level
Decreased circulating IgG level
Abnormal circulating IgM level
Decreased specific antibody response to polysaccharide vaccine
B lymphocytopenia
Reduced natural killer cell count
Abnormal lymph node morphology
Lymphadenopathy
Splenomegaly
Hepatosplenomegaly
Lung abscess
Skin rash
Recurrent respiratory infections
Disease(s) Associated with B2M
familial visceral amyloidosis
immunodeficiency 43

Mouse Phenotypes
insulitis
abnormal T cell number
increased T-helper 1 cell number
decreased CD8-positive, alpha-beta T cell number
absent CD8-positive, alpha-beta T cells
increased gamma-delta T cell number
increased gamma-delta intraepithelial T cell number
abnormal CD8-positive, alpha-beta cytotoxic T cell morphology
decreased IgG level
increased IgM level
abnormal cytotoxic T cell physiology
abnormal interleukin level
abnormal tumor necrosis factor level
decreased level of surface class I molecules
increased interleukin-3 secretion
decreased interleukin-4 secretion
increased tumor necrosis factor secretion
decreased susceptibility to autoimmune diabetes
decreased susceptibility to bacterial infection
increased susceptibility to infection induced morbidity/mortality
decreased susceptibility to parasitic infection
Availability Mouse Genotype
B2mtm1Jae/B2mtm1Jae
B2mtm1Unc/B2mtm1Unc
B2mtm1Unc/B2mtm1Unc
Tg(GFAP-B2m)9Mdos/?
B2mtm1Unc/B2mtm1Unc
Tg(GFAP-B2m)#Mdos/?
B2mtm1Unc/B2m+

Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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last database update
04/23/2024
MGI 6.23
The Jackson Laboratory