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GENE AND PROTEIN SUMMARY

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Gene name

AKR1B1

Description

aldo-keto reductase family 1, member B1 (aldose reductase)

Protein class

Candidate cancer biomarkers, Enzymes, Mapped to UniProt SWISS-PROT

Protein evidence

High

Entrez gene summary

This gene encodes a member of the aldo/keto reductase superfamily, which consists of more than 40 known enzymes and proteins. This member catalyzes the reduction of a number of aldehydes, including the aldehyde form of glucose, and is thereby implicated in the development of diabetic complications by catalyzing the reduction of glucose to sorbitol. Multiple pseudogenes have been identified for this gene. The nomenclature system used by the HUGO Gene Nomenclature Committee to define human aldo-keto reductase family members is known to differ from that used by the Mouse Genome Informatics database. [provided by RefSeq, Feb 2009]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

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

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Nucleus, Cytoplasm

Additional location(s)

 

Staining summary

Localized to the cytoplasm and nucleus.

Reliability (APE)

Medium

Antibodies in assay

HPA026425, CAB027391
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Ubiquitous cytoplasmic and nuclear expression, most abundant in endocrine tissues and placenta.

Tissue specificity

Expressed in 74 out of 82 cell types

Reliability (APE)

Medium

Antibodies in assay

CAB018773, HPA026425, CAB027391
 

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 44% of the cancers

Antibodies in assay

CAB018773, HPA026425, CAB027391
 

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

CAB018773

HPA026425

CAB027391

HPA026425

CAB027391

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

CAB018773 pAb
HPA026425 pAb
CAB027391 mAb