抗Human MS4A2 抗体:
抗Mouse (Murine) MS4A2 抗体:
抗Rat (Rattus) MS4A2 抗体:
This meta-analysis suggests that polymorphisms in FCER1B may be associated with the development of allergic diseases.
Using immunohistochemistry, we validated that MS4A2, the beta subunit of the IgE receptor expressed on mast cells, is a favorable prognostic indicator and show that MS4A2 gene expression is an independent prognostic marker for early-stage lung cancer patient survival.
in patients with allergic rhinitis without asthma, the FCER1B rs569108 and rs512555 polymorphisms are associated with increased risk of developing allergic rhinitis and with lower IgE levels.
study found a difference in the frequencies of genotypes of FcvarepsilonRIbeta subunit int 2 in allergic rhinitis patients and controls. The FcvarepsilonRIbeta subunit int 2 gene polymorphism was found to be associated with allergic rhinitis in the Polish cohort
MS4A2 was differentially expressed between Fibromyalgia patients and healthy controls.
no association between gene polymorphism and chronic spontaneous urticaria in Kashmiri population
FcepsilonRIbeta -109C/T and IFN-gamma 874T/A polymorphisms may be influencing factors for asthma in the Asian population
The results explain how initial membrane interactions of clustered IgE-Fcepsilon RI complexes lead to downstream cellular responses.
Data indicated that the MS4A2 gene E237G variant may be a risk factor for developing atopic asthma and the promoter -109T allele is a potential risk factor of asthma in Asians.
Cytoplasmic FcepsilonRIbeta, which is not co-localized with FcepsilonRIalpha, may function as a negative regulator, as it can capture important signalling molecules such as Lyn.
t-FcepsilonRIbeta mediates Ca2+ -dependent microtubule formation, which promotes degranulation and cytokine release.
The interaction between Lyn and FcepsilonRIbeta is indispensable for FcepsilonRI-mediated human mast cell activation.
Demethylation of specific regulatory elements within the FCER1G locus contributes to FcepsilonRI overexpression on monocytes from patients with atopic dermatitis.
Polymorphisms in the Fc epsilon R1beta gene confer susceptibility to atopy in Korean children and may have a disease-modifying effect on airways in asthmatic patients.
No associations with total and specific IgE levels as well as allergic sensitization were seen for FCER1B and FCER1G
Methylation levels at the AluSp repeat analysed in MS4A2 were inconsistent with classical imprinting mechanisms and did not associate with atopy status
Significant associations of single nucleotide polymorphisms with wheeze in the past year were detected in only four genes (IL4R, TLR4, MS4A2, TLR9). Variants in IL4R and TLR4 were also related to allergen-specific IgE, but not for MS4A2 and TLR9.
Gene expression profiling after stimulation via high-affinity Fcepsilon receptor I (FcepsilonRI), showed the transcriptional levels of several CC chemokines were markedly increased.
Products of the beta gene may control the level of surface expression, influencing susceptibility to allergies.
The data suggested that the Gly237Gly genotype of the Fc epsilon RI beta gene conferred genetic susceptibility to allergic asthma in Chinese, which affected the total plasma IgE levels in the allergic asthma patients.
Analysis of the conformation and thermal stability of the high-affinity IgE Fc receptor beta chain polymorphic proteins has been presented.
chemotaxis toward antigen is controlled in mast cells by a cross-talk among FcepsilonRI, tetraspanin CD9, transmembrane adaptor proteins NTAL and LAT, and cytoskeleton-regulatory proteins of the ERM family
Findings indicate that SLP-76 is an essential signaling component for basophil activation downstream of both FcepsilonRI and the IL-3 receptor.
These observations strongly suggest a novel signaling pathway mediated by the cytoplasmic tail downstream of the FcepsilonRIbeta immunoreceptor tyrosine-based activation motif.
FcRbeta is a critical element in mast cell synergistic degranulation response through FcepsilonRI & adenosine receptors. PI3K-signaling through FcRbeta-ITAM is a crucial participant in augmentation of FcepsilonRI-mediated degranulation by adenosine.
inhibition of FcepsilonRI-dependent mast cell activation can suppress allergic contact dermatitis
The mouse Fc epsilon RI beta-chain gene promoter is functional only in mouse mast cell line PT18, but not in mono-macrophage and lymphoma cell lines.
FcepsilonRIbeta functions to both selectively amplify (degranulation and leukotriene secretion) and dampen (lymphokine) mast cell effector responses
IgE receptors are expressed on sensory neurons in mice. Immunostaining revealed that the high affinity IgE receptor FcepsilonRI was expressed in cultured dorsal root ganglion cells.
FcepsilonRI beta-chain regulates calcium uptake in mast cells via the immunoreceptor tyrosine-based activation motif.
IgE signaling suppresses FcepsilonRIbeta expression.
The allergic response involves the binding of allergen to receptor-bound IgE followed by cell activation and the release of mediators responsible for the manifestations of allergy. The IgE-receptor, a tetramer composed of an alpha, beta, and 2 disulfide-linked gamma chains, is found on the surface of mast cells and basophils. This gene encodes the beta subunit of the high affinity IgE receptor which is a member of the membrane-spanning 4A gene family. Members of this nascent protein family are characterized by common structural features and similar intron/exon splice boundaries and display unique expression patterns among hematopoietic cells and nonlymphoid tissues. This family member is localized to 11q12, among a cluster of membrane-spanning 4A gene family members. Alternative splicing results in multiple transcript variants encoding distinct proteins. Additional transcript variants have been described but require experimental validation.
Fc fragment of IgE, high affinity I, receptor for; beta polypeptide
, High affinity immunoglobulin epsilon receptor beta-subunit (FcERI) (IgE Fc receptor, beta-subunit) (Fc epsilon receptor I beta-chain)
, high affinity IgE receptor beta subunit
, high affinity immunoglobulin epsilon receptor subunit beta
, igE Fc receptor subunit beta
, immunoglobulin E receptor, high affinity, beta polypeptide
, Fc receptor, IgE, high affinity I, beta polypeptide
, fc epsilon receptor I beta-chain
, membrane-spanning 4-domains, subfamily A, member 1
, IgE Fc receptor subunit beta
, Membrane-spanning 4-domains subfamily A member 1
, Membrane-spanning 4-domains, subfamily A, member 1
, beta polypeptide)
, membrane-spanning 4-domains, subfamily A, member 2 (Fc fragment of IgE, high affinity I, receptor for
, membrane-spanning 4-domains, subfamily A, member 2 (Fc fragment of IgE, high affinity I, receptor for; beta polypeptide)