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GENE AND PROTEIN SUMMARY

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Gene name

TRPV4

Description

transient receptor potential cation channel, subfamily V, member 4

Protein class

Mapped to UniProt SWISS-PROT, Potential transmembrane proteins, Voltage-gated ion channels

Protein evidence

Medium

Entrez gene summary

This gene encodes a member of the OSM9-like transient receptor potential channel (OTRPC) subfamily in the transient receptor potential (TRP) superfamily of ion channels. The encoded protein is a Ca2+-permeable, nonselective cation channel that is thought to be involved in the regulation of systemic osmotic pressure. Mutations in this gene are the cause of spondylometaphyseal and metatropic dysplasia and hereditary motor and sensory neuropathy type IIC. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Apr 2010]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

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

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Nucleus

Additional location(s)

 

Staining summary

Staining of nuclei in all three cell lines.

Reliability (Single)

Antibodies in assay

HPA007150
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Moderate to strong cytoplasmic and membranous staining was observed in pancreatic islets, neuronal cells and glandular epithelia. Hepatocytes, lymphoid tissues and squamous epithelia were in general weakly stained or negative.

Tissue specificity

Staining in 46 out of 73 cell types

Reliability (Single)

Antibodies in assay

HPA007150
 

Organ

No of cell types

Antibody staining

CNS (brain) 10
Hematopoietic (blood) 8
Liver and pancreas 5
Digestive (GI-tract) 12
Respiratory (lung) 4
Cardiovascular 1
Female tissues 11
Placenta 2
Male tissues 4
Urinary tract (kidney) 3
Skin and soft tissues 10
Endocrine tissues 3

Level of antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 28% of the cancers

Antibodies in assay

HPA007150
 

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

HPA007150

HPA007150

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA007150 pAb