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GENE AND PROTEIN SUMMARY

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Gene name

MAF

Description

v-maf musculoaponeurotic fibrosarcoma oncogene homolog (avian)

Protein class

Mapped to UniProt SWISS-PROT, Mutated genes in cancer, Transcription factors

Protein evidence

High

Entrez gene summary

The protein encoded by this gene is a DNA-binding, leucine zipper-containing transcription factor that acts as a homodimer or as a heterodimer. Depending on the binding site and binding partner, the encoded protein can be a transcriptional activator or repressor. This protein plays a role in the regulation of several cellular processes, including embryonic lens fiber cell development, increased T-cell susceptibility to apoptosis, and chondrocyte terminal differentiation. Defects in this gene are a cause of juvenile-onset pulverulent cataract as well as congenital cerulean cataract 4 (CCA4). Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jan 2010]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

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

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Nucleus but not nucleoli, Vesicles

Additional location(s)

Centrosome 

Staining summary

Staining of nucleus and vesicles in all three cell lines with additional staining of centrosome in U-251 MG.

Reliability (Single)

Antibodies in assay

HPA028289
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Nuclear expression in most cell types.

Tissue specificity

Expressed in 83 out of 83 cell types

Reliability (APE)

Medium

Antibodies in assay

CAB010296, HPA028289
 

Organ

No of cell types

Protein expression

CNS (brain) 11
Hematopoietic (blood) 8
Liver and pancreas 5
Digestive (GI-tract) 13
Respiratory (lung) 4
Cardiovascular 1
Female tissues 13
Placenta 2
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 15
Endocrine tissues 3

Level of annotated protein expression





High
Medium
Low
None

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 73% of the cancers

Antibodies in assay

CAB010296, HPA028289
 

Tissue

Cancer staining

Protein
expression of
normal tissue

Breast cancer
 
Carcinoid
 
Cervical cancer
 
 
Colorectal cancer
 
 
Endometrial cancer
 
 
Glioma
 
Head and neck cancer
 
 
Liver cancer
 
 
Lung cancer
 
 
Lymphoma
 
 
 

Tissue

Cancer staining

Protein
expression of
normal tissue

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

Medium
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

CAB010296

HPA028289

HPA028289

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

CAB010296 pAb
HPA028289 pAb