Meta-analysis using public datasets showing correlation between ERRα and VEGFA, WNT5A, POSTN and TGFb1 expression levels in bone metastases (GSE29650, GSE41619 and GSE74685) and/or in primary CRPC tumor (GSE1034, GSE6919 and GSE2269). The gene discussed is ESRRA; the disease is neoplasm.