Proprotein convertase subtilisin/kexin type 6 activates the extracellular signal-regulated kinase 1/2 and Wnt family member 3A pathways and promotes in vitro proliferation, migration and invasion of breast cancer MDA-MB-231 cells. - Wang, Ping; Wang, Feifei; Wang, Lin; Pan, Jihong (Oncology Letters, 2018)