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GENE AND PROTEIN SUMMARY

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Gene name

MED1

Description

mediator complex subunit 1

Protein class

Candidate cancer biomarkers, Mapped to UniProt SWISS-PROT, Plasma proteins, Potentially secreted proteins

Protein evidence

Medium

Entrez gene summary

The activation of gene transcription is a multistep process that is triggered by factors that recognize transcriptional enhancer sites in DNA. These factors work with co-activators to direct transcriptional initiation by the RNA polymerase II apparatus. The protein encoded by this gene is a subunit of the CRSP (cofactor required for SP1 activation) complex, which, along with TFIID, is required for efficient activation by SP1. This protein is also a component of other multisubunit complexes e.g. thyroid hormone receptor-(TR-) associated proteins which interact with TR and facilitate TR function on DNA templates in conjunction with initiation factors and cofactors. It also regulates p53-dependent apoptosis and it is essential for adipogenesis. This protein is known to have the ability to self-oligomerize. [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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Pending subcellular analysis

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Moderate to strong nuclear immunoreactivity was observed in most normal tissues. Intestinal glands, placenta and endocrine glands exhibited strong nuclear positivity. Neuropil in CNS were also distinctly stained, nevertheless Neuronal cells and liver were negative.

Tissue specificity

Staining in 64 out of 77 cell types

Reliability (Single)

Antibodies in assay

CAB017696
 

Organ

No of cell types

Antibody staining

CNS (brain) 11
Hematopoietic (blood) 7
Liver and pancreas 5
Digestive (GI-tract) 13
Respiratory (lung) 4
Cardiovascular 1
Female tissues 11
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 66% of the cancers

Antibodies in assay

CAB017696
 

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

A-431 Skin Medium

-

-

A-549 Lung High

-

-

CACO-2 Colon High

-

-

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

CAB017696 mAb