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GENE AND PROTEIN SUMMARY

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Gene name

TF

Description

transferrin

Protein class

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

Protein evidence

High

Entrez gene summary

This gene encodes a glycoprotein with an approximate molecular weight of 76.5 kDa. It is thought to have been created as a result of an ancient gene duplication event that led to generation of homologous C and N-terminal domains each of which binds one ion of ferric iron. The function of this protein is to transport iron from the intestine, reticuloendothelial system, and liver parenchymal cells to all proliferating cells in the body. This protein may also have a physiologic role as granulocyte/pollen-binding protein (GPBP) involved in the removal of certain organic matter and allergens from serum. [provided by RefSeq, Sep 2009]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

8 in total
0 with predicted TM region
4 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Mitochondria

Additional location(s)

 

Staining summary

Expressed in mitochondria in all three cell lines.

Reliability (APE)

Medium

Antibodies in assay

HPA001527, HPA005692
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

High expression in plasma while most cells displayed weaker cytoplasmic expression.

Tissue specificity

Expressed in 69 out of 82 cell types

Reliability (APE)

Medium

Antibodies in assay

HPA001527, HPA005692, CAB009538
 

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 75% of the cancers

Antibodies in assay

HPA001527, HPA005692, CAB009538
 

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

HPA001527

HPA005692

CAB009538

HPA001527

HPA005692

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA005692 pAb
CAB009538 pAb
HPA001527 pAb