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GENE AND PROTEIN SUMMARY

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Gene name

AKAP12

Description

A kinase (PRKA) anchor protein 12

Protein class

Candidate cancer biomarkers, Mapped to UniProt SWISS-PROT

Protein evidence

High

Entrez gene summary

The A-kinase anchor proteins (AKAPs) are a group of structurally diverse proteins, which have the common function of binding to the regulatory subunit of protein kinase A (PKA) and confining the holoenzyme to discrete locations within the cell. This gene encodes a member of the AKAP family. The encoded protein is expressed in endothelial cells, cultured fibroblasts, and osteosarcoma cells. It associates with protein kinases A and C and phosphatase, and serves as a scaffold protein in signal transduction. This protein and RII PKA colocalize at the cell periphery. This protein is a cell growth-related protein. Antibodies to this protein can be produced by patients with myasthenia gravis. Alternative splicing of this gene results in two transcript variants encoding different isoforms. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

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

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Plasma membrane, Cytoplasm

Additional location(s)

 

Staining summary

Staining of cytoplasm and plasma membrane in all three cell lines.

Reliability (Single)

Antibodies in assay

HPA006344
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Strong cytoplasmic or membranous staining was found in seminiferus ducts of testis, in renal glomeruli and in ovary. Syncytiotrophoblasts of placenta displayed moderate microvillous staining. Some glandular epithelia showed weak to moderate cytoplasmic positivity. Endothelial cells and peripheral nerves were distinctly stained. Other normal tissues were in general negative.

Tissue specificity

Staining in 33 out of 77 cell types

Reliability (Single)

Antibodies in assay

HPA006344
 

Organ

No of cell types

Antibody staining

CNS (brain) 11
Hematopoietic (blood) 7
Liver and pancreas 4
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 12
Endocrine tissues 3

Level of antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 24% of the cancers

Antibodies in assay

HPA006344
 

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

HPA006344

HPA006344

A-431 Skin Medium
Moderate
A-549 Lung High
CACO-2 Colon Low
HEK 293 Embryonal kidney High
HeLa Cervix High
Hep-G2 Liver High
MCF-7 Pleural effusion Low
PC-3 Bone marrow High
RT-4 Urinary bladder Low
U-2 OS Bone High
Strong
U-251 MG Brain High
Strong

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA006344 pAb