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GENE AND PROTEIN SUMMARY

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Gene name

IL6ST

Description

interleukin 6 signal transducer (gp130, oncostatin M receptor)

Protein class

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

Protein evidence

High

Entrez gene summary

The protein encoded by this gene is a signal transducer shared by many cytokines, including interleukin 6 (IL6), ciliary neurotrophic factor (CNTF), leukemia inhibitory factor (LIF), and oncostatin M (OSM). This protein functions as a part of the cytokine receptor complex. The activation of this protein is dependent upon the binding of cytokines to their receptors. vIL6, a protein related to IL6 and encoded by the Kaposi sarcoma-associated herpesvirus, can bypass the interleukin 6 receptor (IL6R) and directly activate this protein. Knockout studies in mice suggest that this gene plays a critical role in regulating myocyte apoptosis. Alternatively spliced transcript variants encoding distinct isoforms have been described. A related pseudogene has been identified on chromosome 17. [provided by RefSeq, Jul 2010]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

11 in total
5 with predicted TM region
11 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Plasma membrane

Additional location(s)

Golgi apparatus 

Staining summary

Mainly localized to the plasma membrane. In addition localized to the Golgi apparatus.

Reliability (APE)

Medium

Antibodies in assay

HPA010558, CAB025784
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Ubiquitous cytoplasmic expression.

Tissue specificity

Expressed in 72 out of 82 cell types

Reliability (APE)

Very low

Antibodies in assay

HPA010558, CAB025784
 

Organ

No of cell types

Protein expression

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 annotated protein expression





High
Medium
Low
None

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 40% of the cancers

Antibodies in assay

HPA010558, CAB025784
 

Tissue

Cancer staining

Protein
expression of
normal tissue

Breast cancer
 
Carcinoid
 
Cervical cancer
 
 
Colorectal cancer
 
 
Endometrial cancer
 
 
Glioma
 
Head and neck cancer
 
 
Liver cancer
 
 
Lung cancer
 
 
Lymphoma
 
 
 

Tissue

Cancer staining

Protein
expression of
normal tissue

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

HPA010558

CAB025784

HPA010558

CAB025784

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA010558 pAb
CAB025784 mAb