Biomarker: ERRα

Histology type: endometrial carcinoma

Country: Japan

Region: Kyoto

Followed up time :

Conclusion: These findings indicate that ERRα may serve as a novel molecular target for the treatment of endometrial cancer.

Sample type : tissue

Sample method: immunohistochemistry

Expression pattern : expression (H-score = Σ(i+1) × Pi (i and Pi represent intensity and percentage of cells at each intensity,H-score into 4 groups: 1-50, 51-100, 101-200, and > 200)

Funtion description: ERRα knockdown with siRNA suppressed angiogenesis via VEGF and cell proliferation in vitro. Cell cycle and apoptosis assays using flow cytometry and western blot revealed that ERRα knockdown induced cell cycle arrest during the mitotic phase followed by apoptosis initiated by caspase-3. Additionally, ERRα knockdown sensitized cells to paclitaxel. A significant reduction of tumor growth and angiogenesis was also observed in ERRα knockdown xenografts

Funtion Uniprot: Binds to an ERR-alpha response element (ERRE) containing a single consensus half-site, 5'-TNAAGGTCA-3'. Can bind to the medium-chain acyl coenzyme A dehydrogenase (MCAD) response element NRRE-1 and may act as an important regulator of MCAD promoter. Binds to the C1 region of the lactoferrin gene promoter. Requires dimerization and the coactivator, PGC-1A, for full activity. The ERRalpha/PGC1alpha complex is a regulator of energy metabolism. Induces the expression of PERM1 in the skeletal muscle.

UniProt ID: P11474

UniProt Link: https://www.uniprot.org/uniprotkb/P11474/entry

Biological function from UniProt: #Transcription #Transcription regulation

Molecular function from UniProt:

Tissue specificity from UniProt: Induced by PGC1alpha in a number of specific cell types including heart, kidney and muscle

Subcellular UniProt: #Cytoplasm #Nucleus

Alternative name from UniProt:

Recommended name: Steroid hormone receptor ERR1

Gene name from HGNC: ESRRA (ERR1, ERRa, ERRalpha, ESRL1, NR3B1)

HPA class: Nuclear receptors Transcription factors

AlphaFold DB: P11474

AlphaFold Link: https://alphafold.ebi.ac.uk/entry/P11474

HPA link: https://www.proteinatlas.org/ENSG00000173153-ESRRA

Tissue specificity RNA from HPA: Tissue enhanced (skeletal muscle)

Tissue expression from HPA: General cytoplasmic expression.

Single cell type specificity Cell type enhanced (Hepatocytes, Proximal enterocytes, Distal enterocytes)

Immune cell specificity: Low immune cell specificity

Subcellular summary HPA Located in Nucleoplasm, Nucleoli fibrillar center, Microtubules, Cytokinetic bridge (Single cell variability, CCD Protein)

Cancer prognostic summary HPA Prognostic marker in renal cancer (favorable)

Pathology link: https://www.proteinatlas.org/ENSG00000173153-ESRRA/pathology

Pathology endo: https://www.proteinatlas.org/ENSG00000173153-ESRRA/pathology/endometrial+cancer

Survival figure legend: Kaplan-Meier analysis of disease free survival in 50 patients with endometrial cancer is shown in association with ERRα expression

Survival curve link: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5085142/figure/F1/

OMIM: 601998

OMIM link2: https://www.omim.org/entry/601998

HGNC ID: HGNC:3471

HGNC link: https://www.genenames.org/data/gene-symbol-report/#!/hgnc_id/HGNC:3471