FCGR2A, Fc fragment of IgG receptor IIa, 2212

N. diseases: 227; N. variants: 13
Source: ALL
Disease Score gda Association Type Type Original DB Sentence supporting the association PMID PMID Year
CUI: C0021390
Disease: Inflammatory Bowel Diseases
Inflammatory Bowel Diseases
0.130 GeneticVariation group GWASDB Host-microbe interactions have shaped the genetic architecture of inflammatory bowel disease. 23128233 2012
CUI: C0021390
Disease: Inflammatory Bowel Diseases
Inflammatory Bowel Diseases
0.130 Biomarker group BEFREE Specifically, a variant of the activating receptor, FcγRIIA, with low affinity for IgG, confers protection against the development of ulcerative colitis, a subset of IBD, leading to a re-evaluation of the role of IgG and FcγRs in gastrointestinal tract immunity, an organ system traditionally associated with IgA. 31031776 2019
CUI: C0021390
Disease: Inflammatory Bowel Diseases
Inflammatory Bowel Diseases
0.130 GeneticVariation group BEFREE The FcgR2a*519G functional variant was associated with IBD and reduced susceptibility to UC and to CD in Caucasians. 20848524 2010
CUI: C0021390
Disease: Inflammatory Bowel Diseases
Inflammatory Bowel Diseases
0.130 Biomarker group BEFREE In recent years, there has been renewed interest in the role of IgG in intestinal immunity, driven in part by a genetic association of an affinity-lowering variant of an IgG receptor, FcγRIIA, with protection from ulcerative colitis (UC), a subclass of inflammatory bowel disease (IBD). 31480888 2019
CUI: C0021390
Disease: Inflammatory Bowel Diseases
Inflammatory Bowel Diseases
0.130 GeneticVariation group GWASCAT Association analyses identify 38 susceptibility loci for inflammatory bowel disease and highlight shared genetic risk across populations. 26192919 2015
CUI: C0021390
Disease: Inflammatory Bowel Diseases
Inflammatory Bowel Diseases
0.130 GeneticVariation group GWASCAT Genome-wide association study implicates immune activation of multiple integrin genes in inflammatory bowel disease. 28067908 2017
CUI: C0021390
Disease: Inflammatory Bowel Diseases
Inflammatory Bowel Diseases
0.130 GeneticVariation group GWASCAT Host-microbe interactions have shaped the genetic architecture of inflammatory bowel disease. 23128233 2012
CUI: C0004364
Disease: Autoimmune Diseases
Autoimmune Diseases
0.100 Biomarker group BEFREE Finally, the effect of FCGR polymorphisms on response confirms the importance of FCGR-mediated depletion of B cells in autoimmunity. 22775462 2012
CUI: C0004364
Disease: Autoimmune Diseases
Autoimmune Diseases
0.100 GeneticVariation group BEFREE In addition to the expected strong association with the major histocompatibility complex (MHC) region, we identified three new susceptibility loci: the immunoglobulin receptor gene FCGR2A (rs1801274, P = 1.56 x 10(-12)), a locus on chromosome 13q12 (rs17085007, P = 6.64 x 10(-8)) and the glycoprotein gene SLC26A3 (rs2108225, P = 9.50 x 10(-8)). rs1801274 is a nonsynonymous SNP of FCGR2A that is reported to have a critical effect on receptor binding affinity for IgG and to be associated with other autoimmune diseases. 19915573 2009
CUI: C0004364
Disease: Autoimmune Diseases
Autoimmune Diseases
0.100 GeneticVariation group BEFREE We also found evidence for association (P < 1 x 10(-5)) at FCGR2A, PTPN22 and STAT4, regions previously associated with SLE and other autoimmune diseases, as well as at > or =9 other loci (P < 2 x 10(-7)). 18204446 2008
CUI: C0004364
Disease: Autoimmune Diseases
Autoimmune Diseases
0.100 GeneticVariation group BEFREE The Fcgamma receptors play important roles in anti-glomerular basement membrane antibody disease (anti-GBM disease) in animal models, and FCGR gene polymorphisms have been reported to be associated with numerous human autoimmune diseases. 19640933 2010
CUI: C0004364
Disease: Autoimmune Diseases
Autoimmune Diseases
0.100 GeneticVariation group BEFREE The human FCGR2/3 locus, containing five highly homologous genes encoding the major IgG receptors, shows extensive copy number variation (CNV) associated with susceptibility to autoimmune diseases. 26133275 2015
CUI: C0004364
Disease: Autoimmune Diseases
Autoimmune Diseases
0.100 Biomarker group BEFREE Nonetheless, the thrombotic complications found in some infective and autoimmune diseases may result from unbalanced FcγRIIA-mediated platelet aggregation. 25900780 2015
CUI: C0004364
Disease: Autoimmune Diseases
Autoimmune Diseases
0.100 Biomarker group BEFREE We explored the potential to prevent FcγRIIA-induced platelet activation by BTK inhibitors (BTKi's) approved (ibrutinib, acalabrutinib) or in clinical trials (zanubrutinib [BGB-3111] and tirabrutinib [ONO/GS-4059]) for B-cell malignancies, or in trials for autoimmune diseases (evobrutinib, fenebrutinib [GDC-0853]). 31809536 2019
CUI: C0004364
Disease: Autoimmune Diseases
Autoimmune Diseases
0.100 GeneticVariation group LHGDN Multiplex family-based study in systemic lupus erythematosus: association between the R620W polymorphism of PTPN22 and the FcgammaRIIa (CD32A) R131 allele. 17092257 2006
CUI: C0004364
Disease: Autoimmune Diseases
Autoimmune Diseases
0.100 GeneticVariation group BEFREE The low affinity Fcγ receptor, FcγRIIA, harbors a common missense mutation, rs1801274 (G>A, Arg131His) that modifies binding affinity to human IgG2 and mouse IgG1 antibodies and is associated with increased risk of autoimmune disease. 29977032 2019
CUI: C0004364
Disease: Autoimmune Diseases
Autoimmune Diseases
0.100 GeneticVariation group BEFREE Genetic variations of the genes encoding FcγRs (FCGR genes) have been associated with susceptibility to infectious and autoimmune diseases. 24916518 2014
CUI: C0004364
Disease: Autoimmune Diseases
Autoimmune Diseases
0.100 GeneticVariation group BEFREE The FcgR2a*519GG and FcgR3a*559CC genotypes have been associated with several autoimmune diseases including systemic lupus erythematosus, rheumatoid arthritis, nephritis, and possibly to type I diabetes, and celiac disease. 20848524 2010
CUI: C0004364
Disease: Autoimmune Diseases
Autoimmune Diseases
0.100 GeneticVariation group BEFREE Association of FCGR2A rs1801274 polymorphism with susceptibility to autoimmune diseases: A meta-analysis. 27270653 2016
CUI: C0004364
Disease: Autoimmune Diseases
Autoimmune Diseases
0.100 GeneticVariation group BEFREE Our data suggest that the lower binding of CD32A(R) not only to IgG2 but also to IgG1 and IgG3 might be responsible for the lack of clearance of IC leading to increased susceptibility to bacterial infections and autoimmune diseases. 20007585 2009
CUI: C0033975
Disease: Psychotic Disorders
Psychotic Disorders
0.100 Biomarker group HPO
CUI: C0006826
Disease: Malignant Neoplasms
Malignant Neoplasms
0.050 GeneticVariation group BEFREE Thus, neutrophil ADCC capacity is directly related to the FcγRIIa polymorphism, and targeting CD47-SIRPα interactions enhances ADCC independently of FcγR and SIRPα genotype, thereby further suggesting that CD47-SIRPα interference might be a generic strategy for potentiating the efficacy of antibody therapy in cancer. 28952147 2018
CUI: C0006826
Disease: Malignant Neoplasms
Malignant Neoplasms
0.050 GeneticVariation group BEFREE Significantly lower benefits were observed in patients carrying germline FCGR2A R alleles.Clin Cancer Res; 22(10); 2435-44.©2016 AACR. 27179112 2016
CUI: C0006826
Disease: Malignant Neoplasms
Malignant Neoplasms
0.050 Biomarker group BEFREE In summary, cancer cell-derived IgG interacted directly with FcγRIIa and activated platelets; targeting this interaction may be an approach to prevent and treat tumor-associated thrombosis. 30692520 2019
CUI: C0006826
Disease: Malignant Neoplasms
Malignant Neoplasms
0.050 GeneticVariation group BEFREE However, particular alleles at GM 23 and FcγRIIa loci interactively contributed to the risk of this malignancy (p = 0.031), the odds ratios ranging from 0.44 in subjects homozygous for the GM 23- allele at the IgG2 locus and for the histidine allele at the FcγRIIa locus to 2.86 in subjects homozygous for the GM 23+ allele at the IgG2 locus and the histidine allele at the FcγRIIa locus. 23994584 2013