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GENE AND PROTEIN SUMMARY

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Gene name

ASIC2

Description

acid-sensing (proton-gated) ion channel 2

Protein class

Mapped to UniProt SWISS-PROT, Potential transmembrane proteins

Protein evidence

Medium

Entrez gene summary

This gene encodes a member of the degenerin/epithelial sodium channel (DEG/ENaC) superfamily. The members of this family are amiloride-sensitive sodium channels that contain intracellular N and C termini, 2 hydrophobic transmembrane regions, and a large extracellular loop, which has many cysteine residues with conserved spacing. The member encoded by this gene may play a role in neurotransmission. In addition, a heteromeric association between this member and acid-sensing (proton-gated) ion channel 3 has been observed to co-assemble into proton-gated channels sensitive to gadolinium. Alternative splicing has been observed at this locus and two variants, encoding distinct isoforms, have been identified. [provided by RefSeq, Feb 2012]

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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Pending subcellular analysis

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

The majority of normal tissues showed moderate to strong cytoplasmic and membranous staining. Nucleolar staining was observed in a few cases. Lung, liver, thyroid, cells in glomeruli, cells in seminiferus ducts, smooth muscle, lymphoid tissues and mesenchymal cells were negative.

Tissue specificity

Staining in 52 out of 80 cell types

Reliability (Single)

Antibodies in assay

HPA052112
 

Organ

No of cell types

Antibody staining

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 antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 52% of the cancers

Antibodies in assay

HPA052112
 

Tissue

Cancer staining

Normal tissue
staining

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

Tissue

Cancer staining

Normal tissue
staining

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

HPA052112

 

A-431 Skin Not detected

-

A-549 Lung Low

-

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 Low

-

RT-4 Urinary bladder Not detected

-

U-2 OS Bone Low

-

U-251 MG Brain Not detected

-

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA052112 pAb