Thus, AUF1 was knocked-down using specific siRNA and a scrambled sequence was used as control in two triple-negative breast cancer (TNBC) cell lines: MDA-MB-231 (MDA-AUF1si/MDA-C) and BT-20 (BT20-AUF1si/BT20-C) cells. Here, HNRNPD is linked to triple-negative breast carcinoma.