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GENE AND PROTEIN SUMMARY

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Gene name

BTG1

Description

B-cell translocation gene 1, anti-proliferative

Protein class

Mapped to UniProt SWISS-PROT, Mutated genes in cancer

Protein evidence

Medium

Entrez gene summary

This gene is a member of an anti-proliferative gene family that regulates cell growth and differentiation. Expression of this gene is highest in the G0/G1 phases of the cell cycle and downregulated when cells progressed through G1. The encoded protein interacts with several nuclear receptors, and functions as a coactivator of cell differentiation. This locus has been shown to be involved in a t(8;12)(q24;q22) chromosomal translocation in a case of B-cell chronic lymphocytic leukemia. [provided by RefSeq, Oct 2008]

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)

Cytoplasm

Additional location(s)

Nucleus but not nucleoli 

Staining summary

Staining of cytoplasm in all three cell lines with additional staining of nucleus in U-251 MG and U-2 OS.

Reliability (Single)

Antibodies in assay

HPA005972
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Strong cytoplasmic immunoreactivity was observed in islet cells of pancreas and in basal layers of squamous epithelium in skin. In duodenum and small intestine, strong staining of microvilli was found. Cilia of epididymis showed distinct positivity. In some neuronal cells, nuclear or nucleolar staining was displayed. Glial cells and lymphoid tissues were in general negative. Most other normal tissues showed weak to moderate cytoplasmic positivity.

Tissue specificity

Staining in 41 out of 78 cell types

Reliability (Single)

Antibodies in assay

HPA005972
 

Organ

No of cell types

Antibody staining

CNS (brain) 11
Hematopoietic (blood) 8
Liver and pancreas 5
Digestive (GI-tract) 13
Respiratory (lung) 4
Cardiovascular 1
Female tissues 11
Placenta 2
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 12
Endocrine tissues 3

Level of antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 76% of the cancers

Antibodies in assay

HPA005972
 

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

High
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

HPA005972

HPA005972

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA005972 pAb