FCAR; CD89; Immunoglobulin alpha Fc receptor; IgA Fc receptor; CD antigen CD89
Raised in
Rabbit
Species Reactivity
Human
Immunogen
Synthesized peptide derived from the Internal region of Human CD89.
Immunogen Species
Homo sapiens (Human)
Conjugate
Non-conjugated
Isotype
IgG
Purification Method
The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.
Concentration
It differs from different batches. Please contact us to confirm it.
Buffer
Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.
Tested Applications
WB, ELISA
Storage
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Lead Time
Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Usage
For Research Use Only. Not for use in diagnostic or therapeutic procedures.
Binds to the Fc region of immunoglobulins alpha. Mediates several functions including cytokine production.
Gene References into Functions
FcalphaRI-induced cytokine production is orchestrated via upregulation of cytokine translation and caspase-1 activation, which is dependent on glycolytic reprogramming.PMID:29491406
In transgenic mice, IgAN pathogenesis involves impaired clearance of abnormal IgA via CD89, primarily by the Kupffer cells. Conditional IgAN progression in CD89 transgenic mice thus reveals important aspects of IgAN pathogenesis.PMID:27437939
a novel Fcar splice variant termed variant APD isolated from a healthy volunteer that lacks only the IgA-binding EC1 domain, is reported.PMID:28103138
Findings suggest a basis for the use of Fc receptor I for IgA (FcalphaRI) as a molecular target for the treatment of lupus.PMID:25907714
induces different forms of neutrophil death, depending on the inflammatory microenvironmentPMID:25339672
this study examined the expression of IL-4 mRNA, IFN-c mRNA and FcaRI mRNA in tonsillar mononuclear cells of IgA nephropathy9(IgAN) patients and non-IgAN patients.PMID:24732061
FCAR polymorphism is not associated with high susceptibility to IGA nephropathy in caucasians.PMID:21750160
Abnormally glycosylated IgA1 and soluble CD89-IgA and IgA-IgG complexes, features of primary IgA nephropathy, are also present in alcoholic cirrhosis.PMID:21866091
Genetic variation at the promoter region of IgA receptor is associated with IgA nephropathy.PMID:21273231
These results suggest a role of anti-FcaRI Fab as a negative regulator in controlling the magnitude of the innate immune responsePMID:21985370
Glycosylation of the CH2/CH3 interface inhibits interaction with the pathogen IgA binding protein SSL7, while maintaining binding of pIgR, essential to the biosynthesis and transport of SIgA.PMID:21784854
In this study, human mammary carcinoma cells are efficiently killed when incubated with human neutrophils and tumor-specific FcalphaRI bispecific or immunoglobulin A antibodies.PMID:21653835
Data show that the Fc(alpha)RI 844 A>G polymorphism is not associated with systemic sclerosis or rheumatoid arthritis sceptibility.PMID:21159834
FcalphaRI defines a function for pentraxins in inflammatory responses involving neutrophils and macrophages. It also highlights the innate aspect of otherwise humoral immunity-associated antibody receptors.PMID:21383176
There is an association between the levels of sCD89-IgA complexes in serum and the severity of IgA nephropathy, and a possible genetic component in regulating the production or expression of sCD89.PMID:20811333
Endocytosis of FcalphaR is clathrin- and dynamin-dependent, but is not regulated by Rab5, and the endocytic motif is not located in the cytoplasmic domain of FcalphaR.PMID:19859085
CD89 circulates in a high molecular mass form in complex covalently linked to IgA and contributes to the formation of polymeric serum IgA.PMID:11801662
study suggests that expression of the FcR splice isoform DeltaEC2 but not Delta66EC2 is differentially regulated in a cell type-specific manner and in response to inflammatory and/or infectious processesPMID:12560105
The Fc alpha receptor 5'-flanking region from -102 to -64 relative to the ATG translation initiation codon is essential for promoter activity and contains two functional binding motifs for C/EBP and Ets family members at -74 and -92, respectively.PMID:12594283
there is a bivalent, pH-dependent interaction between FcalphaRI and IgA with important implications for cytokine-dependent phagocytosis of IgA and the FcalphaRI-mediated degradation or recycling of IgAPMID:12634059
crystal structures of human FcalphaRI alone and in a complex with the Fc region of IgA1 (Fcalpha)PMID:12768205
Crystal structure of the ectodomain of human FcalphaRIPMID:12783876
expression pattern of CD89 and its signalling subunit, the FcR gamma chain, on circulating myeloid cells and in various tissuesPMID:12791088
FcalphaRI expressed by interstitial-type dendritic cells could play a critical role to sample IgA-recognized antigens and also during dendritic cell activation.PMID:15371488
Pathogenic group A and group B streptococci are well known to produce virulence factors that block the binding of IgA to the leukocyte IgA receptor, Fc alphaRI, thereby inhibiting IgA-mediated immunity.PMID:16293625
Fc receptor gamma RI interacts with the unrelated immunoreceptors FcalphaRI and FcepsilonRI [FCalphaRI, also called CD89]PMID:16627486
These results indicate that GPVI is unique amongst the receptors of its family as it uses different structural domains to interact with several agonists and provide evidence that different sites on GPVI constitute targets to develop antagonists of GPVI.PMID:16876821
On monomeric targeting, FcalphaRI functions as an FcRgamma ITAM-dependent apoptotic module that may be fundamental for controlling inflammation and tumor growth.PMID:16990604
Carriers of 92Asn polymorphism in the myeloid IgA Fc receptor had increased risk of myocardial infarction in CARE and increased odds of coronary heart disease in WOSCOPS study groups.PMID:17008591
FCAR promoter SNPs may be related to chronic HCV infection and disease progression in Japanese chronic hepatitis C.PMID:17033823
Fc alpha receptor type I activation mediates glomerulonephritis progression by initiating a cytokine/chemokine cascade that promotes leukocyte recruitment and kidney damage in transgenic mice.PMID:17393381
results suggest an endogenous mechanism by which FcalphaR functionality is down-regulated in an 'allergic environment' where FcepsilonRI is co-expressed and extensively cross-linked on FcalphaR-expressing effector cellsPMID:18700185
Immunoglobulin A: Fc(alpha)RI interactions induce neutrophil migration through release of leukotriene B4.PMID:19555692
Pathogen selection by bacterial decoy proteins drives FcalphaRI and IgA-Fc coevolution.PMID:17548632
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Subcellular Location
[Isoform A.1]: Cell membrane; Single-pass type I membrane protein.; [Isoform A.2]: Cell membrane; Single-pass type I membrane protein.; [Isoform A.3]: Cell membrane; Single-pass type I membrane protein.; [Isoform B]: Secreted.; [Isoform B-delta-S2]: Secreted.
Tissue Specificity
Isoform A.1, isoform A.2 and isoform A.3 are differentially expressed between blood and mucosal myeloid cells. Isoform A.1, isoform A.2 and isoform A.3 are expressed in monocytes. Isoform A.1 and isoform A.2 are expressed in alveolar macrophages; however