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GENE AND PROTEIN SUMMARY

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Gene name

FCER2

Description

Fc fragment of IgE, low affinity II, receptor for (CD23)

Protein class

Candidate cancer biomarkers, CD markers, Mapped to UniProt SWISS-PROT, Plasma proteins, Potential transmembrane proteins

Protein evidence

High

Entrez gene summary

The protein encoded by this gene is a B-cell specific antigen, and a low-affinity receptor for IgE. It has essential roles in B cell growth and differentiation, and the regulation of IgE production. This protein also exists as a soluble secreted form, then functioning as a potent mitogenic growth factor. Alternatively spliced transcript variants encoding different isoforms have been described for this gene.[provided by RefSeq, Jul 2011]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

2 in total
2 with predicted TM region
0 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Nucleus but not nucleoli

Additional location(s)

 

Staining summary

Localized to the nucleus.

Reliability (APE)

Very low

Antibodies in assay

CAB002624, HPA008928
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Selective cytoplasmic and membranous expression in lymphoid cells and bone marrow.

Tissue specificity

Expressed in 7 out of 83 cell types

Reliability (APE)

High

Antibodies in assay

CAB002624, HPA008928
 

Organ

No of cell types

Protein expression

CNS (brain) 11
Hematopoietic (blood) 8
Liver and pancreas 5
Digestive (GI-tract) 13
Respiratory (lung) 4
Cardiovascular 1
Female tissues 13
Placenta 2
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 15
Endocrine tissues 3

Level of annotated protein expression





High
Medium
Low
None

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 6% of the cancers

Antibodies in assay

CAB002624, HPA008928
 

Tissue

Cancer staining

Protein
expression of
normal tissue

Breast cancer
 
Carcinoid
 
Cervical cancer
 
 
Colorectal cancer
 
 
Endometrial cancer
 
 
Glioma
 
Head and neck cancer
 
 
Liver cancer
 
 
Lung cancer
 
 
Lymphoma
 
 
 

Tissue

Cancer staining

Protein
expression of
normal tissue

Melanoma
 
Ovarian cancer
 
Pancreatic cancer
 
Prostate cancer
 
Renal cancer
 
Skin cancer
 
Stomach cancer
 
 
Testis cancer
 
Thyroid cancer
 
Urothelial cancer
 

Level of antibody staining





Strong
Moderate
Weak
Negative

CELL LINE SUMMARY

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RNA evidence

Low
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

CAB002624

HPA008928

CAB002624

HPA008928

A-431 Skin Not detected
WeakStrong
A-549 Lung Not detected
CACO-2 Colon Not detected
HEK 293 Embryonal kidney Not detected
HeLa Cervix Not detected
Hep-G2 Liver Not detected
MCF-7 Pleural effusion Not detected
PC-3 Bone marrow Not detected
RT-4 Urinary bladder Not detected
U-2 OS Bone Low
NegativeModerate
U-251 MG Brain Not detected
NegativeModerate

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

CAB002624 mAb
HPA008928 pAb