Laboratory for Molecular Diagnostics
Center for Nephrology and Metabolic Disorders
Moldiag Diseases Genes Support Contact

Low affinity immunoglobulin gamma Fc region receptor II-b

The FCGR2B gene encodes a component of an immunoglobulin receptor. Mutations cause susceptibility to systemuc lupus erythematosus and various infections.


Clinic Method Carrier testing
Turnaround 5 days
Specimen type genomic DNA
Clinic Method Massive parallel sequencing
Turnaround 25 days
Specimen type genomic DNA
Research Method Genomic sequencing of the entire coding region
Turnaround 25 days
Specimen type genomic DNA

Related Diseases:

Susceptibility to malaria



Hitomi Y et al. (2004) CD72 polymorphisms associated with alternative splicing modify susceptibility to human systemic lupus erythematosus through epistatic interaction with FCGR2B.

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Wang TT et al. (2015) Anti-HA Glycoforms Drive B Cell Affinity Selection and Determine Influenza Vaccine Efficacy.

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Mueller M et al. (2013) Genomic pathology of SLE-associated copy-number variation at the FCGR2C/FCGR3B/FCGR2B locus.

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Willcocks LC et al. (2010) A defunctioning polymorphism in FCGR2B is associated with protection against malaria but susceptibility to systemic lupus erythematosus.

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Clatworthy MR et al. (2007) Systemic lupus erythematosus-associated defects in the inhibitory receptor FcgammaRIIb reduce susceptibility to malaria.

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Okazaki T et al. (2005) Hydronephrosis associated with antiurothelial and antinuclear autoantibodies in BALB/c-Fcgr2b-/-Pdcd1-/- mice.

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Floto RA et al. (2005) Loss of function of a lupus-associated FcgammaRIIb polymorphism through exclusion from lipid rafts.

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Kono H et al. (2005) FcgammaRIIB Ile232Thr transmembrane polymorphism associated with human systemic lupus erythematosus decreases affinity to lipid rafts and attenuates inhibitory effects on B cell receptor signaling.

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Blank MC et al. (2005) Decreased transcription of the human FCGR2B gene mediated by the -343 G/C promoter polymorphism and association with systemic lupus erythematosus.

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McGaha TL et al. (2005) Restoration of tolerance in lupus by targeted inhibitory receptor expression.

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Li F et al. (2011) Inhibitory Fcγ receptor engagement drives adjuvant and anti-tumor activities of agonistic CD40 antibodies.

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Iwasaki M et al. (2005) Identification of cooperative genes for NUP98-HOXA9 in myeloid leukemogenesis using a mouse model.

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Su K et al. (2004) A promoter haplotype of the immunoreceptor tyrosine-based inhibitory motif-bearing FcgammaRIIb alters receptor expression and associates with autoimmunity. I. Regulatory FCGR2B polymorphisms and their association with systemic lupus erythematosus.

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Kyogoku C et al. (2002) Fcgamma receptor gene polymorphisms in Japanese patients with systemic lupus erythematosus: contribution of FCGR2B to genetic susceptibility.

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Zhu D et al. (2002) A novel human immunoglobulin Fc gamma Fc epsilon bifunctional fusion protein inhibits Fc epsilon RI-mediated degranulation.

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Samuelsson A et al. (2001) Anti-inflammatory activity of IVIG mediated through the inhibitory Fc receptor.

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Ravetch JV et al. (2000) Immune inhibitory receptors.

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Callanan MB et al. (2000) The IgG Fc receptor, FcgammaRIIB, is a target for deregulation by chromosomal translocation in malignant lymphoma.

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Engelhardt W et al. (1990) Distribution, inducibility and biological function of the cloned and expressed human beta Fc receptor II.

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Machado LR et al. (2012) Evolutionary history of copy-number-variable locus for the low-affinity Fcγ receptor: mutation rate, autoimmune disease, and the legacy of helminth infection.

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Update: Aug. 14, 2020
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