Besides this, ID4, SEMA3F, FOXD, KCNK5, WNK4 and ECM1 associate with chemoresistance origin and SOX5, ITM2A, SNCG, EPHA4, NTS, FGFR2 and ENPEP associate moreover with breast cancer tumorigenesis. The gene discussed is EPHA4; the disease is breast carcinoma.