SNHG14 and breast cancer: To explore the contributions of lncRNAs in trastuzumab resistance and progression of breast cancer, Dong et al. (2018b) cultured human breast cancer cell lines SKBR-3 and BT474 and trastuzumab-resistant SKBR-3/Tr and BT474/Tr cells to identify the role of SNHG14 in breast cancer progression and drug resistance.