PRPF19 and pancreatic ductal adenocarcinoma: For example, through binding with PRPF19 and PTPN11, LINC00673 strengthens the PRPF19–PTPN11 interaction, contributing to enhance PRPF19‐mediated ubiquitination and degradation of PTPN11 in pancreatic ductal adenocarcinoma.30