Prognostic Implications of MicroRNA-21 Overexpression in Invasive Ductal Carcinomas of the Breast

摘要

PurposeAmong more than 500 microRNAs, microRNA-21 (miR-21) is known to act as an oncogene. The aim of this study was to investigate the significance of miR-21 expression level in relation with clinicopathological factors and prognosis in breast cancer.