FCER2 Antibody, Biotin conjugated

Code CSB-PA02219D0Rb
Size US$166
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Product Details

Full Product Name
Rabbit anti-Homo sapiens (Human) FCER2 Polyclonal antibody
Uniprot No.
Target Names
Alternative Names
Blast 2 antibody; BLAST-2 antibody; Blast2 antibody; C type lectin domain family 4 member J antibody; C-type lectin domain family 4 antibody; C-type lectin domain family 4 member J antibody; C-type lectin domain family 4; member J antibody; CD 23 antibody; CD 23A antibody; CD23 antibody; CD23 antigen antibody; CD23A antibody; CLEC 4J antibody; CLEC4J antibody; Fc epsilon receptor II antibody; Fc epsilon RII antibody; Fc fragment of IgE antibody; Fc fragment of IgE low affinity II receptor for antibody; Fc fragment of IgE receptor II antibody; Fc fragment of IgE; low affinity II; receptor for (CD23) antibody; Fc of IgE antibody; Fc of IgE; low affinity II; receptor for (CD23) antibody; Fc receptor IgE low affinity II alpha polypeptide antibody; Fc receptor; IgE; low affinity II; alpha polypeptide; isoform CRA_a antibody; Fc-epsilon-RII antibody; FCE 2 antibody; FCE2 antibody; FCER 2 antibody; Fcer2 antibody; FCER2_HUMAN antibody; FCER2A antibody; FceRII antibody; IgE binding factor antibody; IgE receptor lymphocyte antibody; IgE-binding factor antibody; IGEBF antibody; Immunoglobulin E binding factor antibody; Immunoglobulin E receptor antibody; Immunoglobulin E receptor; low affinity II antibody; Immunoglobulin E-binding factor antibody; Immunoglobulin epsilon chain antibody; LEUKOCYTE ANTIGEN CD23 antibody; Low Affinity IgE Receptor antibody; Low affinity immunoglobulin epsilon Fc receptor antibody; Low affinity immunoglobulin epsilon Fc receptor membrane bound form antibody; Low affinity immunoglobulin epsilon Fc receptor soluble form antibody; Ly-42 antibody; Ly42 antibody; Lymphocyte antigen CD23 antibody; Lymphocyte IgE receptor antibody; MGC93219 antibody
Raised in
Species Reactivity
Recombinant Human Low affinity immunoglobulin epsilon Fc receptor protein (48-321AA)
Immunogen Species
Homo sapiens (Human)
Purification Method
>95%, Protein G purified
It differs from different batches. Please contact us to confirm it.
Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, PH 7.4
Tested Applications
Troubleshooting and FAQs
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.

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Target Background

Low-affinity receptor for immunoglobulin E (IgE) and CR2/CD21. Has essential roles in the regulation of IgE production and in the differentiation of B-cells (it is a B-cell-specific antigen).
Gene References into Functions
  1. Report a variant of t(14;18) negative nodal diffuse follicular lymphoma with CD23 expression, 1p36/TNFRSF14 abnormalities, and STAT6 mutations. PMID: 26965583
  2. High CD23 expression is associated with B-cell Lymphoma. PMID: 28108506
  3. found a higher frequency of LIN1(-) CCR3(+) eosinophils, and decreased expression of CD23 and CD62L receptors in eosinophils of AD patients PMID: 27406841
  4. there is a high CD23a/CD23b ratio of chronic lymphocytic leukemia cells, which demonstrates that in a subset of CLL cases, low CD23 expression together with high CD20 and CD38 expressions may serve as a surrogate for trisomy 12 PMID: 26119874
  5. Binding of CTLA4Fcepsilon to FcepsilonRII/CD23 appeared stronger than that of IgE PMID: 26801967
  6. Human and murine P2X7 activation induces the rapid shedding of CD23 from B cells, with a potential role for ADAM10 in this process. PMID: 25155463
  7. Elevated serum sCD23 is associated with increased risk of non-Hodgkin lymphoma. PMID: 25567136
  8. Data suggest that the protective immune response involving CD23-IgE-mediated nitric oxide release in cutaneous leishmaniasis (LCL). PMID: 25802003
  9. Crystal structure of the CD23-Fc3-4 complex with different molecular-packing constraints. PMID: 24598915
  10. data indicate that the studied FCER2 variations are strongly associated with asthma susceptibility and might be risk factor among north Indian asthmatic children PMID: 24102092
  11. we have demonstrated that PU.1, GATA1, and GATA2 are involved in the expression of FcepsilonRI in a human mast cell line and primary human mast cells using siRNA with high transfection efficiency, and by ChIP assay. PMID: 24639354
  12. CD23b-R62W-expressing human B cells bind IgE with greater affinity than wild-type cells and display differences in kinetics of CD23-mediated ERK1/2 activation PMID: 24010859
  13. The interplay of free IgE with IgE-allergen immune complexes of different sizes and composition with CD23 binding represents a mechanism for the modulation of CD23-mediated immune responses. PMID: 23229638
  14. Data indicate that the interaction of IgE with CD23 on B-cells regulates IgE production. PMID: 23933509
  15. Results suggest that binding of Ca(2+) brings an extra degree of modulation to CD23 function. PMID: 23775083
  16. The results are consistent with the suppression of parasite and allergen-specific IgE levels by sCD23. PMID: 23689700
  17. Data indicate that upon sialylation, the affinities for Fcgamma receptors are reduced, whereas those for alternative cellular receptors, such as dendritic cell-specific intercellular adhesion molecule-3-grabbing nonintegrin (DC-SIGN)/CD23, are increased. PMID: 23697368
  18. Results support the complex model of CD23 induction by Epstein-Barr virus (EBV). PMID: 23583387
  19. Downregulation of CD23 attenuated AIMP1-induced TNF-alpha secretion and AIMP1 binding. PMID: 22767513
  20. All subtypes of juvenile arthritis have reduced circulating levels of sCD21 and sCD23. PMID: 21328056
  21. CD23 and FcepsilonRI interaction sites are at opposite ends of the Cepsilon3 domain of IgE, but that receptor binding is mutually inhibitory, mediated by an allosteric mechanism PMID: 22815482
  22. Structural comparisons with both free IgE-Fc and its FcepsilonRI complex reveal not only that the conformational changes in IgE-Fc required for CD23 binding are incompatible with FcepsilonRI binding, but also that the converse is true. PMID: 22802656
  23. Binding of sCD23-derived peptides to av integrins and their biological activities are tolerant of some substitution in the recognition motif. PMID: 22560905
  24. Findings suggest that patients with t(11;14)(+)/CD23(+) plasma cell myelomas (PCM) present with lower platelet counts and may have a shorter overall survival than those with t(11;14)(+)/CD23(-) PCM. PMID: 21724429
  25. Variation at GLCCI1 and FCER2 could lead personalized asthma treatment. PMID: 22304573
  26. Soluble CD23 promoted the release of cytokines from the THP-1 model cell line. In both model cell lines and primary tissue, cytokine release was more pronounced in immature monocyte cells than in mature cells. PMID: 22348662
  27. mIgE & mCD21 cooperate in sCD23-mediated positive regulation of IgE synthesis on committed B cells. Feedback regulation may occur when the secreted-IgE level is big enough to allow binding to mCD23. This prevents further sCD23 release. PMID: 22393152
  28. Transfectants expressing the single nucleotide polymorphism in FCER2 exhibited increased IL-4Ralpha expression after stimulation through CD23 compared with wild-type. PMID: 22059556
  29. Our results suggest that the FCER2 T2206C variant might be a useful pharmacogenetic predictor of steroid refractory patients. PMID: 21958076
  30. SPR analysis revealed a progressive increment in affinity of soluble fragments for IgE, upon increasing length of CD23 "stalk" domain, exCD23>sCD23>derCD23. PMID: 21889131
  31. The association of CD23 and CD30 antigen blood levels with the development of non-Hodgkin lymphoma in HIV patients is reported. PMID: 21860351
  32. Report the role of CD23 SNPs in IgE dependent signaling in B-lymphocytes. PMID: 21686206
  33. IgE may be considered as immune mediator during antiprotozoal activity of human macrophages through its ability to trigger CD23 signaling. PMID: 21526166
  34. show for the first time that CD9 and CD81 act as molecular partners of trimeric FcvarepsilonRI on human antigen-presenting cell PMID: 21241315
  35. CD23 and CD19 are important factors that associated with serum total IgE in the pathogenesis of allergic rhinitis. PMID: 20359104
  36. CD23-mediated immunoglobulin (Ig)E transcytosis in human airway epithelial cells may play a critical role in initiating and contributing to the perpetuation of airway allergic inflammation. PMID: 21307287
  37. A model of CD23-bound IgE-mediated amplification of immunity by B cells is demonstrated in schistosomiasis. PMID: 21160045
  38. Data suggest that the CD23-mediated signal transduction pathways in human B cells and human monocytes are different. PMID: 20805040
  39. Data indicate that the regions of CD23 responsible for interaction with ligands have been identified and help to explain the structure-function relationships within the CD23 protein. PMID: 20831712
  40. CD23 is a useful marker in distinguishing mediastinal diffuse large B-cell lymphoma and classical Hodgkin lymphoma in mediastinal biopsies. PMID: 19223373
  41. Interaction of functional FCER2 promoter polymorphism and phenotype-associated haplotypes PMID: 19845913
  42. cd23 negativity is rare in typical b-cell CLL; negativity in patients with CD19+/CD5+ is suggestive of mantle cell leukemia PMID: 11920534
  43. prognostic significance of soluble CD23 in advanced stages of B-chronic lymphocytic leukemia and its role as an indicator for aggressive or indolent courses of disease. PMID: 12002758
  44. a review on the domains and functions of the cd23 receptor PMID: 12022472
  45. upstream regions of the CD23a and CD23b isoform coding sequences show distinct sensitivities to agents which induce CD23 protein expression at the plasma membrane PMID: 12070780
  46. Investigation of several stimulators to promote CD23a expression on CLL vs. normal B-cells confirmed a different CD23 regulation in B-CLL. CD23a is always predominantly expressed (constant ratio of CD23a:CD23b). PMID: 12127553
  47. CD23 expression in chronic lymphocytic leukemia was 53.9 times higher than in mantle-cell llymphoma. PMID: 12127555
  48. At term, the percentage of CD21(+) and CD23(+) B cells was comparable to the adult PMID: 12149502
  49. promoter is a target for NF-AT transcription factors in B-CLL cells PMID: 12379312
  50. The data show that monocyte-derived DC express the P2X7 receptor whose activation opens a cation-selective channel, and which leads to rapid and near complete shedding of CD23. PMID: 12456589

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Subcellular Location
Cell membrane; Single-pass type II membrane protein. Cell membrane; Lipid-anchor. Secreted. Note=Also exists as a soluble excreted form, sCD23.
Database Links

HGNC: 3612

OMIM: 151445

KEGG: hsa:2208

STRING: 9606.ENSP00000264072

UniGene: Hs.465778

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