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GENE AND PROTEIN SUMMARY

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Gene name

ESRRG

Description

estrogen-related receptor gamma

Protein class

Mapped to UniProt SWISS-PROT, Potential transmembrane proteins, Transcription factors

Protein evidence

Medium

Entrez gene summary

This gene encodes a member of the estrogen receptor-related receptor (ESRR) family, which belongs to the nuclear hormone receptor superfamily. All members of the ESRR family share an almost identical DNA binding domain, which is composed of two C4-type zinc finger motifs. The ESRR members are orphan nuclear receptors; they bind to the estrogen response element and steroidogenic factor 1 response element, and activate genes controlled by both response elements in the absence of any ligands. The ESRR family is closely related to the estrogen receptor (ER) family. They share target genes, co-regulators and promoters, and by targeting the same set of genes, the ESRRs seem to interfere with the ER-mediated estrogen response in various ways. It has been reported that the family member encoded by this gene functions as a transcriptional activator of DNA cytosine-5-methyltransferases 1 (Dnmt1) expression by direct binding to its response elements in the DNMT1 promoters, modulates cell proliferation and estrogen signaling in breast cancer, and negatively regulates bone morphogenetic protein 2-induced osteoblast differentiation and bone formation. Multiple alternatively spliced transcript variants have been identified, which mainly differ at the 5' end and some of which encode protein isoforms differing in the N-terminal region. [provided by RefSeq, Aug 2011]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

18 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 in the three cell lines.

Reliability (Single)

Antibodies in assay

HPA044678
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Strong nuclear staining with additional cytoplasmic positivity was observed in subset of cells in stomach. Hepatocytes, alveolar macrophages, renal tubules, Leydig cells, Purkinje cells and skeletal muscle cells exhibited moderate cytoplasmic staining. Remaining normal tissues were weakly stained or generally negative.

Tissue specificity

Staining in 22 out of 78 cell types

Reliability (Single)

Antibodies in assay

HPA044678
 

Organ

No of cell types

Antibody staining

CNS (brain) 11
Hematopoietic (blood) 7
Liver and pancreas 5
Digestive (GI-tract) 13
Respiratory (lung) 4
Cardiovascular 1
Female tissues 12
Placenta 1
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 13
Endocrine tissues 3

Level of antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 5% of the cancers

Antibodies in assay

HPA044678
 

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

HPA044678

HPA044678

A-431 Skin Low
Negative
A-549 Lung Not detected
CACO-2 Colon Low
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 Low
RT-4 Urinary bladder Low
U-2 OS Bone Low
Negative
U-251 MG Brain Not detected
Negative

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA044678 pAb