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GENE AND PROTEIN SUMMARY

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Gene name

DUSP4

Description

dual specificity phosphatase 4

Protein class

Candidate cancer biomarkers, Enzymes, Mapped to UniProt SWISS-PROT

Protein evidence

Medium

Entrez gene summary

The protein encoded by this gene is a member of the dual specificity protein phosphatase subfamily. These phosphatases inactivate their target kinases by dephosphorylating both the phosphoserine/threonine and phosphotyrosine residues. They negatively regulate members of the mitogen-activated protein (MAP) kinase superfamily (MAPK/ERK, SAPK/JNK, p38), which are associated with cellular proliferation and differentiation. Different members of the family of dual specificity phosphatases show distinct substrate specificities for various MAP kinases, different tissue distribution and subcellular localization, and different modes of inducibility of their expression by extracellular stimuli. This gene product inactivates ERK1, ERK2 and JNK, is expressed in a variety of tissues, and is localized in the nucleus. Two alternatively spliced transcript variants, encoding distinct isoforms, have been observed for this gene. In addition, multiple polyadenylation sites have been reported. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

2 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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Pending normal tissue analysis

CANCER TISSUE SUMMARY

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Pending cancer tissue analysis

CELL LINE SUMMARY

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RNA evidence

High
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

A-431 Skin Medium

-

-

A-549 Lung High

-

-

CACO-2 Colon Low

-

-

HEK 293 Embryonal kidney Low

-

-

HeLa Cervix Low

-

-

Hep-G2 Liver Low

-

-

MCF-7 Pleural effusion High

-

-

PC-3 Bone marrow High

-

-

RT-4 Urinary bladder Medium

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U-2 OS Bone Low

-

-

U-251 MG Brain Low

-

-

ANTIBODY SUMMARY

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Pending antibodies