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Symbol
Name
ID
Ciita
class II transactivator
MGI:108445
Phenotype annotations related to immune system
*Aspects of the system are reported to show a normal phenotype.
Darker colors indicate more annotations
Human Phenotypes
Agammaglobulinemia
Panhypogammaglobulinemia
Cutaneous anergy
Neutropenia
Leukopenia
Recurrent upper respiratory tract infections
Pericarditis
Lymphadenopathy
Colitis
Viral hepatitis
Cholangitis
Lupus nephritis
Nephritis
Recurrent urinary tract infections
Abnormality of the immune system
Chronic mucocutaneous candidiasis
Discoid lupus rash
Malar rash
Serositis
Decreased circulating complement C3 concentration
Decreased circulating complement C4 concentration
Anti-citrullinated protein antibody positivity
Antineutrophil antibody positivity
Perinuclear antineutrophil antibody positivity
Antinuclear antibody positivity
Anti-dsDNA antibody positivity
Anti-La/SS-B antibody positivity
Anti-Sm antibody positivity
Anti-U1 ribonucleoprotein antibody positivity
Antiphospholipid antibody positivity
Rheumatoid factor positive
Systemic lupus erythematosus
Recurrent bacterial infections
Recurrent fungal infections
Recurrent protozoan infections
Recurrent lower respiratory tract infections
Recurrent viral infections
Infectious encephalitis
Chronic lymphocytic meningitis
Disease(s) Associated with CIITA
MHC class II deficiency
rheumatoid arthritis
systemic lupus erythematosus

Mouse Phenotypes
immune system phenotype
decreased T cell proliferation
pancreas inflammation
insulitis
periinsulitis
abnormal T cell differentiation
abnormal CD4-positive T cell differentiation
abnormal CD8-positive, alpha-beta T cell differentiation
increased double-positive T cell number
decreased dendritic cell number
abnormal T cell subpopulation ratio
decreased CD4-positive, alpha-beta T cell number
absent CD4-positive, alpha-beta T cells
increased CD4-positive, alpha-beta T cell number
increased CD8-positive, alpha-beta T cell number
increased osteoclast cell number
abnormal lymphocyte physiology
abnormal B cell physiology
abnormal immunoglobulin level
decreased IgG level
increased IgM level
abnormal T cell physiology
abnormal CD4-positive, alpha-beta T cell physiology
abnormal T-helper 1 physiology
abnormal MHC II cell surface expression on macrophages
abnormal popliteal lymph node morphology
abnormal immune system physiology
abnormal dendritic cell physiology
abnormal level of surface class II molecules
impaired humoral immune response
abnormal cytokine secretion
decreased susceptibility to autoimmune diabetes
decreased susceptibility to experimental autoimmune encephalomyelitis
abnormal inflammatory response
abnormal susceptibility to infection
decreased susceptibility to parasitic infection
increased susceptibility to parasitic infection
Availability Mouse Genotype
Ciitam1Btlr/Ciitam1Btlr
Ciitatm1.1Dim/Ciitatm1.1Dim
Ciitatm1Adm/Ciitatm1Adm
Ciitatm1Ccum/Ciitatm1Ccum
Ciitatm1Jpyt/Ciitatm1Jpyt
Ciitatm1Wrth/Ciitatm1Wrth *
Ciitatm2Wrth/Ciitatm2Wrth *
Ciitatm1Adm/Ciita+

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