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GENE AND PROTEIN SUMMARY

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Gene name

APOC2

Description

APOC2 protein

Protein class

Potential transmembrane proteins, Potentially secreted proteins

Protein evidence

Low

Entrez gene summary

This gene encodes a lipid-binding protein belonging to the apolipoprotein gene family. The protein is secreted in plasma where it is a component of very low density lipoprotein. This protein activates the enzyme lipoprotein lipase, which hydrolyzes triglycerides and thus provides free fatty acids for cells. Mutations in this gene cause hyperlipoproteinemia type IB, characterized by hypertriglyceridemia, xanthomas, and increased risk of pancreatitis and early atherosclerosis. This gene is present in a cluster with other related apolipoprotein genes on chromosome 19. Naturally occurring read-through transcription exists between this gene and the neighboring upstream apolipoprotein C-IV (APOC4) gene. [provided by RefSeq, Mar 2011]

External links

Ensembl, Entrez gene, Antibodypedia

No of splice variants

2 in total
0 with predicted TM region
2 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

Moderate cytoplasmic positivity was displayed in small intestinal glands, adrenal gland, glandular cells of breast, hepatocytes, Leydig cells and squamous epithelial cells of oral mucosa. Subset of renal tubules showed strong cytoplasmic immunoreactivity, with a granular pattern. Strong positivity also observed in plasma. Remaining normal tissues were weakly stained or generally negative.

Tissue specificity

Staining in 19 out of 78 cell types

Reliability (Single)

Antibodies in assay

HPA055877
 

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 12
Placenta 1
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 14
Endocrine tissues 2

Level of antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 12% of the cancers

Antibodies in assay

HPA055877
 

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

A-431 Skin Not detected

-

-

A-549 Lung Not detected

-

-

CACO-2 Colon Not detected

-

-

HEK 293 Embryonal kidney Not detected

-

-

HeLa Cervix Not detected

-

-

Hep-G2 Liver Medium

-

-

MCF-7 Pleural effusion Not detected

-

-

PC-3 Bone marrow Not detected

-

-

RT-4 Urinary bladder Not detected

-

-

U-2 OS Bone Not detected

-

-

U-251 MG Brain Not detected

-

-

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

Also mapped to

HPA055877 pAb
APOC4 (100%)