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GENE AND PROTEIN SUMMARY

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Gene name

FST

Description

follistatin

Protein class

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

Protein evidence

High

Entrez gene summary

Follistatin is a single-chain gonadal protein that specifically inhibits follicle-stimulating hormone release. The single FST gene encodes two isoforms, FST317 and FST344 containing 317 and 344 amino acids respectively, resulting from alternative splicing of the precursor mRNA. In a study in which 37 candidate genes were tested for linkage and association with polycystic ovary syndrome (PCOS) or hyperandrogenemia in 150 families, evidence was found for linkage between PCOS and follistatin. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

5 in total
0 with predicted TM region
3 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Nucleus but not nucleoli, Cytoplasm

Additional location(s)

 

Staining summary

Localized to nucleus and cytoplasm.

Reliability (APE)

Low

Antibodies in assay

HPA018155, CAB026025
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Positivity in extracellular deposits and plasma along with general cytoplasmic expression.

Tissue specificity

Expressed in 70 out of 81 cell types

Reliability (APE)

Low

Antibodies in assay

HPA018155, CAB026025
 

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 13
Endocrine tissues 3

Level of annotated protein expression





High
Medium
Low
None

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 84% of the cancers

Antibodies in assay

HPA018155, CAB026025
 

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

CAB026025

HPA018155

CAB026025

A-431 Skin Medium
ModerateNegative
A-549 Lung Low
CACO-2 Colon Not detected
HEK 293 Embryonal kidney Low
HeLa Cervix Low
Hep-G2 Liver Medium
MCF-7 Pleural effusion Not detected
PC-3 Bone marrow High
RT-4 Urinary bladder Medium
U-2 OS Bone High
WeakNegative
U-251 MG Brain Medium
Moderate

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA018155 pAb
CAB026025 mAb