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GENE AND PROTEIN SUMMARY

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Gene name

APOE

Description

apolipoprotein E

Protein class

Candidate cancer biomarkers, Candidate cardiovascular disease genes, Mapped to UniProt SWISS-PROT, Plasma proteins, Potential transmembrane proteins, Potentially secreted proteins

Protein evidence

High

Entrez gene summary

Chylomicron remnants and very low density lipoprotein (VLDL) remnants are rapidly removed from the circulation by receptor-mediated endocytosis in the liver. Apolipoprotein E, a main apoprotein of the chylomicron, binds to a specific receptor on liver cells and peripheral cells. ApoE is essential for the normal catabolism of triglyceride-rich lipoprotein constituents. The APOE gene is mapped to chromosome 19 in a cluster with APOC1 and APOC2. Defects in apolipoprotein E result in familial dysbetalipoproteinemia, or type III hyperlipoproteinemia (HLP III), in which increased plasma cholesterol and triglycerides are the consequence of impaired clearance of chylomicron and VLDL remnants. [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
4 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Pending subcellular analysis

NORMAL TISSUE & ORGAN SUMMARY

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Show image »

Staining summary

Most normal cells showed weak to moderate cytoplasmic and membranous immunoreactivity. Strong positivity was seen in adrenal cortex, Leydig cells, squamous epithelia in tonsil and skin. Neuropil displayed strong staining. Subset of intestinal glands, exocrine pancreas, fallopian tube, smooth muscle and skeletal muscle cells were negative.

Tissue specificity

Staining in 59 out of 76 cell types

Reliability (Single)

Antibodies in assay

CAB008363
 

Organ

No of cell types

Antibody staining

CNS (brain) 11
Hematopoietic (blood) 8
Liver and pancreas 4
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 9
Endocrine tissues 3

Level of antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 85% of the cancers

Antibodies in assay

CAB008363
 

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

CAB008363

 

A-431 Skin Low

-

A-549 Lung Low

-

CACO-2 Colon High

-

HEK 293 Embryonal kidney Low

-

HeLa Cervix Low

-

Hep-G2 Liver High

-

MCF-7 Pleural effusion Low

-

PC-3 Bone marrow Low

-

RT-4 Urinary bladder Low

-

U-2 OS Bone Low

-

U-251 MG Brain Low

-

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

CAB008363 mAb