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GENE AND PROTEIN SUMMARY

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Gene name

XRCC4

Description

X-ray repair complementing defective repair in Chinese hamster cells 4

Protein class

Candidate cancer biomarkers, Mapped to UniProt SWISS-PROT

Entrez gene summary

The protein encoded by this gene functions together with DNA ligase IV and the DNA-dependent protein kinase in the repair of DNA double-strand break by non-homologous end joining and the completion of V(D)J recombination events. The non-homologous end-joining pathway is required both for normal development and for suppression of tumors. This gene functionally complements XR-1 Chinese hamster ovary cell mutant, which is impaired in DNA double-strand breaks produced by ionizing radiation and restriction enzymes. Alternative transcription initiation and alternative splicing generates several transcript variants. [provided by RefSeq, Sep 2008]

No of splice variants

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

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Nucleus

Additional location(s)

 

Staining summary

Staining of nuclei in all three cell lines.

Reliability (Single)

Antibodies in assay

HPA006801
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Strong nuclear immunoreactivity was observed in normal tissues. Additional cytoplasmic staining was observed in a few cases. The liver and smooth muscle were mainly negative.

Tissue specificity

Staining in 60 out of 64 cell types

Reliability (Single)

Antibodies in assay

HPA006801
 

Organ

No of cell types

Antibody staining

CNS (brain) 9
Hematopoietic (blood) 8
Liver and pancreas 5
Digestive (GI-tract) 11
Respiratory (lung) 4
Cardiovascular 1
Female tissues 10
Placenta 2
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 4
Endocrine tissues 2

Level of antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 98% of the cancers

Antibodies in assay

HPA006801
 

Tissue

Cancer staining

Normal tissue
staining

Breast cancer
 
Cervical cancer
 
 
Colorectal cancer
 
 
Endometrial cancer
 
 
Head and neck cancer
 
 
Liver cancer
 
 
Lung cancer
 
 
Malignant carcinoid
 
Malignant glioma
 
 
 
Malignant lymphoma
 
 
 
 

Tissue

Cancer staining

Normal tissue
staining

Malignant 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 level category

Medium
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

HPA006801

HPA006801

A-431 Skin Low
Moderate
U-2 OS Bone Medium
Moderate
U-251 MG Brain Low
Strong

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA006801 pAb