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GENE AND PROTEIN SUMMARY

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Gene name

KRT23

Description

keratin 23 (histone deacetylase inducible)

Protein class

Mapped to UniProt SWISS-PROT

Protein evidence

Medium

Entrez gene summary

The protein encoded by this gene is a member of the keratin family. The keratins are intermediate filament proteins responsible for the structural integrity of epithelial cells and are subdivided into cytokeratins and hair keratins. The type I cytokeratins consist of acidic proteins which are arranged in pairs of heterotypic keratin chains. The type I cytokeratin genes are clustered in a region of chromosome 17q12-q21. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

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

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Nucleus, Nucleus but not nucleoli

Additional location(s)

Cytoplasm, Golgi apparatus 

Staining summary

Mainly localized to the nucleus but also to the cytoplasm and Golgi apparatus.

Reliability (APE)

Low

Antibodies in assay

HPA012050, HPA016959
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Cytoplasmic expression predominantly in epithelial tissues.

Tissue specificity

Expressed in 50 out of 80 cell types

Reliability (APE)

Low

Antibodies in assay

HPA012050, HPA016959, CAB017091
 

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 12
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 53% of the cancers

Antibodies in assay

HPA012050, HPA016959, CAB017091
 

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

HPA012050

HPA016959

CAB017091

HPA012050

HPA016959

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA012050 pAb
HPA016959 pAb
CAB017091 msAb