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GENE AND PROTEIN SUMMARY

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Gene name

FOS

Description

FBJ murine osteosarcoma viral oncogene homolog

Protein class

Candidate cancer biomarkers, Mapped to UniProt SWISS-PROT, Transcription factors

Protein evidence

High

Entrez gene summary

The Fos gene family consists of 4 members: FOS, FOSB, FOSL1, and FOSL2. These genes encode leucine zipper proteins that can dimerize with proteins of the JUN family, thereby forming the transcription factor complex AP-1. As such, the FOS proteins have been implicated as regulators of cell proliferation, differentiation, and transformation. In some cases, expression of the FOS gene has also been associated with apoptotic cell death. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

9 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

Additional location(s)

 

Staining summary

Staining of nuclei but not nucleoli in all three cell lines.

Reliability (Single)

Antibodies in assay

HPA018531
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Most normal cells showed weak to moderate nuclear staining. Strong staining was observed in squamous epithelial cells, gall bladder, endocrine glands, placenta and urothelium.

Tissue specificity

Staining in 59 out of 82 cell types

Reliability (Single)

Antibodies in assay

HPA018531
 

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 13
Placenta 2
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 80% of the cancers

Antibodies in assay

HPA018531
 

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

Medium
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

 

HPA018531

A-431 Skin Low

-

Strong
A-549 Lung Low

-

CACO-2 Colon Low

-

HEK 293 Embryonal kidney Low

-

HeLa Cervix Medium

-

Hep-G2 Liver Low

-

MCF-7 Pleural effusion Medium

-

PC-3 Bone marrow Low

-

RT-4 Urinary bladder Medium

-

U-2 OS Bone Low

-

Moderate
U-251 MG Brain Low

-

Moderate

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA018531 pAb