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GENE AND PROTEIN SUMMARY

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Gene name

CD82

Description

CD82 molecule

Protein class

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

Protein evidence

High

Entrez gene summary

This metastasis suppressor gene product is a membrane glycoprotein that is a member of the transmembrane 4 superfamily. Expression of this gene has been shown to be downregulated in tumor progression of human cancers and can be activated by p53 through a consensus binding sequence in the promoter. Its expression and that of p53 are strongly correlated, and the loss of expression of these two proteins is associated with poor survival for prostate cancer patients. Two alternatively spliced transcript variants encoding distinct isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

10 in total
9 with predicted TM region
1 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Centrosome

Additional location(s)

 

Staining summary

Localized to the centrosome.

Reliability (APE)

Low

Antibodies in assay

CAB002508, HPA028900
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Membranous expression in a subset of cells including decidual cells, islets of Langerhans, squamous epithelia as well as a reticular pattern in lymphoid germinal centra.

Tissue specificity

Expressed in 14 out of 81 cell types

Reliability (APE)

Medium

Antibodies in assay

CAB002508, HPA028900
 

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 12
Placenta 2
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 14
Endocrine tissues 3

Level of annotated protein expression





High
Medium
Low
None

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 13% of the cancers

Antibodies in assay

CAB002508, HPA028900
 

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

High
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

CAB002508

HPA028900

CAB002508

HPA028900

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

CAB002508 mAb
HPA028900 pAb