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GENE AND PROTEIN SUMMARY

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Gene name

CTAG1B

Description

cancer/testis antigen 1B

Protein class

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

Protein evidence

Medium

Entrez gene summary

The protein encoded by this gene is an antigen that is overexpressed in many cancers but that is also expressed in normal testis. This gene is found in a duplicated region of the X-chromosome and therefore has a neighboring gene of identical sequence. [provided by RefSeq, Jan 2012]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

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

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Additional location(s)

 

Staining summary

No staining was observed.

Reliability (Single)

Antibodies in assay

CAB015453
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Strong cytoplasmic and nuclear positivity was observed in cells of seminiferus ducts. Remaining normal tissues were in general negative.

Tissue specificity

Staining in 3 out of 80 cell types

Reliability (Single)

Antibodies in assay

CAB015453
 

Organ

No of cell types

Antibody staining

CNS (brain) 11
Hematopoietic (blood) 8
Liver and pancreas 5
Digestive (GI-tract) 12
Respiratory (lung) 4
Cardiovascular 1
Female tissues 12
Placenta 2
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 14
Endocrine tissues 3

Level of antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 10% of the cancers

Antibodies in assay

CAB015453
 

Tissue

Cancer staining

Normal tissue
staining

Breast cancer
 
Carcinoid
 
Cervical cancer
 
 
Colorectal cancer
 
 
Endometrial cancer
 
 
Glioma
 
Head and neck cancer
 
 
Liver cancer
 
 
Lung cancer
 
 
Lymphoma
 
 
 

Tissue

Cancer staining

Normal tissue
staining

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

Low
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

CAB015453

CAB015453

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

CAB015453 mAb