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GENE AND PROTEIN SUMMARY

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Gene name

MAPK8

Description

mitogen-activated protein kinase 8

Protein class

Candidate cancer biomarkers, Enzymes, Kinases, Mapped to UniProt SWISS-PROT, Potential transmembrane proteins

Protein evidence

High

Entrez gene summary

The protein encoded by this gene is a member of the MAP kinase family. MAP kinases act as an integration point for multiple biochemical signals, and are involved in a wide variety of cellular processes such as proliferation, differentiation, transcription regulation and development. This kinase is activated by various cell stimuli, and targets specific transcription factors, and thus mediates immediate-early gene expression in response to cell stimuli. The activation of this kinase by tumor-necrosis factor alpha (TNF-alpha) is found to be required for TNF-alpha induced apoptosis. This kinase is also involved in UV radiation induced apoptosis, which is thought to be related to cytochrom c-mediated cell death pathway. Studies of the mouse counterpart of this gene suggested that this kinase play a key role in T cell proliferation, apoptosis and differentiation. Four alternatively spliced transcript variants encoding distinct isoforms have been reported. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

10 in total
0 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

A majority of normal tissues displayed moderate cytoplasmic immunoreactivity. Strong staining was found in a few glandular epithelia.

Tissue specificity

Staining in 67 out of 80 cell types

Reliability (Single)

Antibodies in assay

CAB004463
 

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 1
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 14
Endocrine tissues 3

Level of antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 98% of the cancers

Antibodies in assay

CAB004463
 

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

CAB004463

 

A-431 Skin High

-

A-549 Lung Medium

-

CACO-2 Colon Medium

-

HEK 293 Embryonal kidney High

-

HeLa Cervix Medium

-

Hep-G2 Liver Medium

-

MCF-7 Pleural effusion Medium

-

PC-3 Bone marrow Medium

-

RT-4 Urinary bladder Medium

-

U-2 OS Bone High

-

U-251 MG Brain High

-

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

CAB004463 mAb