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GENE AND PROTEIN SUMMARY

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Gene name

DHFR

Description

dihydrofolate reductase

Protein class

Candidate cancer biomarkers, Enzymes, Mapped to UniProt SWISS-PROT, Potentially secreted proteins

Protein evidence

Medium

Entrez gene summary

Dihydrofolate reductase converts dihydrofolate into tetrahydrofolate, a methyl group shuttle required for the de novo synthesis of purines, thymidylic acid, and certain amino acids. While the functional dihydrofolate reductase gene has been mapped to chromosome 5, multiple intronless processed pseudogenes or dihydrofolate reductase-like genes have been identified on separate chromosomes. Dihydrofolate reductase deficiency has been linked to megaloblastic anemia. [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
0 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Pending subcellular analysis

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

General cytoplasmic expression, with a granular pattern. Caution: Based on antibodies targeting proteins from multiple genes.

Tissue specificity

Expressed in 63 out of 82 cell types

Reliability (APE)

Very low

Antibodies in assay

CAB037129, HPA051465
 

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 72% of the cancers

Antibodies in assay

CAB037129, HPA051465
 

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

HPA051465

 

A-431 Skin High

-

A-549 Lung High

-

CACO-2 Colon High

-

HEK 293 Embryonal kidney High

-

HeLa Cervix High

-

Hep-G2 Liver High

-

MCF-7 Pleural effusion High

-

PC-3 Bone marrow Medium

-

RT-4 Urinary bladder High

-

U-2 OS Bone High

-

U-251 MG Brain High

-

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

Also mapped to

CAB037129 msAb
HPA051465 pAb
DHFRL1 (100%)