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GENE AND PROTEIN SUMMARY

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Gene name

EI24

Description

etoposide induced 2.4 mRNA

Protein class

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

Protein evidence

Medium

Entrez gene summary

This gene has higher expression in p53-expressing cells than in control cells and is an immediate-early induction target of p53-mediated apoptosis. The protein encoded by this gene contains six putative transmembrane domains and may suppress cell growth by inducing apoptotic cell death through the caspase 9 and mitochondrial pathways. This gene is located on human chromosome 11q24, a region frequently altered in cancers. Alternative splicing results in two transcript variants encoding different isoforms. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

9 in total
6 with predicted TM region
0 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Vesicles

Additional location(s)

Cytoskeleton (Actin filaments), Focal Adhesions 

Staining summary

Staining of vesicles in all three cell lines, with additional staining of cytoskeleton (actin filaments) in HEK 293 and focal adhesions in U-2 OS.

Reliability (Single)

Antibodies in assay

HPA047165
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Most normal tissues showed weak to moderate cytoplasmic positivity. Gastrointestinal tract, exocrine glandular cells in pancreas, parathyroid and smooth muscle cells displayed strong immunoreactivity. Soft tissues, lung, lymphoid tissues and glial cells were in general negative.

Tissue specificity

Staining in 51 out of 80 cell types

Reliability (Single)

Antibodies in assay

HPA047165
 

Organ

No of cell types

Antibody staining

CNS (brain) 11
Hematopoietic (blood) 8
Liver and pancreas 5
Digestive (GI-tract) 12
Respiratory (lung) 3
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 81% of the cancers

Antibodies in assay

HPA047165
 

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

HPA047165

HPA047165

A-431 Skin High
Moderate
A-549 Lung High
CACO-2 Colon High
HEK 293 Embryonal kidney High
Moderate
HeLa Cervix High
Hep-G2 Liver High
MCF-7 Pleural effusion High
PC-3 Bone marrow High
RT-4 Urinary bladder High
U-2 OS Bone High
Moderate
U-251 MG Brain High

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA047165 pAb