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GENE AND PROTEIN SUMMARY

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Gene name

VIPR1

Description

vasoactive intestinal peptide receptor 1

Protein class

G-protein coupled receptors, Mapped to UniProt SWISS-PROT, Potential transmembrane proteins, Potentially secreted proteins, Transporters

Protein evidence

High

Entrez gene summary

This gene encodes a receptor for vasoactive intestinal peptide, a small neuropeptide. Vasoactive intestinal peptide is involved in smooth muscle relaxation, exocrine and endocrine secretion, and water and ion flux in lung and intestinal epithelia. Its actions are effected through integral membrane receptors associated with a guanine nucleotide binding protein which activates adenylate cyclase. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2011]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

10 in total
6 with predicted TM region
6 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Nucleus but not nucleoli, Cytoplasm

Additional location(s)

Plasma membrane 

Staining summary

Staining of nucleus and cytoplasm in all three cell lines with additional staining of plasma membrane in A-431 and U-2 OS.

Reliability (Single)

Antibodies in assay

HPA026777
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Most normal tissues showed moderate cytoplasmic staining and membranous positivity. Skeletal muscle, prostate, adrenal gland and salivary gland displayed strong immunoreactivity.

Tissue specificity

Staining in 74 out of 80 cell types

Reliability (Single)

Antibodies in assay

HPA026777
 

Organ

No of cell types

Antibody staining

CNS (brain) 11
Hematopoietic (blood) 8
Liver and pancreas 5
Digestive (GI-tract) 12
Respiratory (lung) 4
Cardiovascular 1
Female tissues 13
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 90% of the cancers

Antibodies in assay

HPA026777
 

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

High
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

HPA026777

HPA026777

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA026777 pAb