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GENE AND PROTEIN SUMMARY

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Gene name

MED20

Description

mediator complex subunit 20

Protein class

Mapped to UniProt SWISS-PROT, Potentially secreted proteins

Protein evidence

High

Entrez gene summary

MED20 is a subunit of the Mediator complex, a multiprotein coactivator of RNA transcription that interacts with DNA-bound transcriptional activators, RNA polymerase II (see MIM 180660), and general initiation factors (Sato et al., 2003 [PubMed 14576168]).[supplied by OMIM, Aug 2009]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

5 in total
0 with predicted TM region
1 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Centrosome

Additional location(s)

Nucleus but not nucleoli 

Staining summary

Staining of centrosome in A-431 and centrosome and nucleus U-251 MG.

Reliability (Single)

Antibodies in assay

HPA040717
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

The gastrointestinal tract, urothelium, renal glomeruli, ciliated cells, trophoblasts and megakaryocytes showed moderate to strong cytoplasmic and membrane positivity. Remaining tissues were in general weakly stained or negative.

Tissue specificity

Staining in 42 out of 79 cell types

Reliability (Single)

Antibodies in assay

HPA040717
 

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 13
Endocrine tissues 3

Level of antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 30% of the cancers

Antibodies in assay

HPA040717
 

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

 

HPA040717

A-431 Skin Medium

-

Moderate
A-549 Lung Medium

-

CACO-2 Colon High

-

HEK 293 Embryonal kidney Medium

-

HeLa Cervix Medium

-

Hep-G2 Liver Medium

-

MCF-7 Pleural effusion High

-

PC-3 Bone marrow Medium

-

RT-4 Urinary bladder Medium

-

U-2 OS Bone High

-

U-251 MG Brain Medium

-

Moderate

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA040717 pAb