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Symbol
Name
ID
Fcgr2b
Fc receptor, IgG, low affinity IIb
MGI:95499
Phenotype annotations related to immune system
Darker colors indicate more annotations
Human Phenotypes
Increased circulating IgA level
Increased circulating IgE level
Increased circulating IgG level
Decreased circulating antibody level
Paraproteinemia
Leukocytosis
Leukopenia
Sinusitis
Chronic sinusitis
Recurrent pharyngitis
Pericarditis
Lymphadenopathy
Mediastinal lymphadenopathy
Splenic rupture
Splenomegaly
Hepatosplenomegaly
Pancreatitis
Lupus nephritis
Nephritis
Abnormality of the immune system
Eczematoid dermatitis
Discoid lupus rash
Malar rash
Recurrent pneumonia
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
Platelet antibody positive
Rheumatoid factor positive
Systemic lupus erythematosus
Asthma
Nontuberculous mycobacterial pulmonary infection
Recurrent Burkholderia cepacia infections
Recurrent Haemophilus influenzae infections
Recurrent Staphylococcus aureus infections
Recurrent Aspergillus infections
Recurrent respiratory infections
Recurrent bronchopulmonary infections
Recurrent lower respiratory tract infections
Meningitis
Disease(s) Associated with FCGR2A
autoimmune thrombocytopenic purpura
cystic fibrosis
factor VIII deficiency
multiple myeloma
rheumatoid arthritis
systemic lupus erythematosus
temporal arteritis
thrombocytopenia
Disease(s) Associated with FCGR2B
autoimmune thrombocytopenic purpura
systemic lupus erythematosus

Mouse Phenotypes
decreased B cell apoptosis
decreased mast cell degranulation
impaired macrophage phagocytosis
salivary gland inflammation
pancreas inflammation
enlarged spleen
decreased susceptibility to autoimmune hemolytic anemia
increased neutrophil cell number
abnormal leukocyte cell number
increased germinal center B cell number
abnormal mast cell physiology
abnormal neutrophil physiology
impaired neutrophil recruitment
increased IgA level
increased IgG1 level
increased IgG2a level
increased IgG2b level
increased IgG3 level
increased IgG level
increased IgM level
increased immunoglobulin level
impaired natural killer cell mediated cytotoxicity
enlarged lymph nodes
abnormal dendritic cell antigen presentation
abnormal type I hypersensitivity reaction
decreased susceptibility to type I hypersensitivity reaction
increased susceptibility to type I hypersensitivity reaction
decreased susceptibility to type II hypersensitivity reaction
abnormal hypersensitivity reaction
decreased susceptibility to experimental autoimmune encephalomyelitis
decreased susceptibility to induced arthritis
increased susceptibility to induced arthritis
increased anti-chromatin antibody level
increased anti-double stranded DNA antibody level
increased inflammatory response
liver inflammation
kidney inflammation
glomerulonephritis
lung inflammation
decreased susceptibility to parasitic infection
Availability Mouse Genotype
Fcgr2btm1Ttk/Fcgr2btm1Ttk
Fcgr3tm1Jsv/Fcgr3tm1Jsv
Fcgr3tm1Ttk/Fcgr3tm1Ttk
Fcgr2btm1Kgcs/Fcgr2b+

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