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GENE AND PROTEIN SUMMARY

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Gene name

AREG

Description

amphiregulin

Protein class

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

Protein evidence

Medium

Entrez gene summary

The protein encoded by this gene is a member of the epidermal growth factor family. It is an autocrine growth factor as well as a mitogen for astrocytes, Schwann cells, and fibroblasts. It is related to epidermal growth factor (EGF) and transforming growth factor alpha (TGF-alpha). This protein interacts with the EGF/TGF-alpha receptor to promote the growth of normal epithelial cells and inhibits the growth of certain aggressive carcinoma cell lines. This encoded protein is associated with a psoriasis-like skin phenotype. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

3 in total
3 with predicted TM region
3 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Mitochondria, Cytoskeleton (Microtubules)

Additional location(s)

 

Staining summary

Localized to the microtubules or mitochondria.

Reliability (APE)

Very low

Antibodies in assay

HPA008720, CAB023519
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Ubiquitous cytoplasmic expression. Caution: Based on antibodies targeting proteins from multiple genes.

Tissue specificity

Expressed in 80 out of 80 cell types

Reliability (APE)

Medium

Antibodies in assay

HPA008720, CAB023519
 

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 13
Endocrine tissues 3

Level of annotated protein expression





High
Medium
Low
None

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 90% of the cancers

Antibodies in assay

HPA008720, CAB023519
 

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

HPA008720

CAB023519

HPA008720

CAB023519

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

Also mapped to

HPA008720 pAb
AREGB (100%)
CAB023519 pAb