Overexpression of LncRNA OIP5-AS1 promotes the development of pancreatic ductal adenocarcinoma, and enhances the malignant phenotype by controlling miR-429/Forkhead Box D1 (FOXD1)/extracellular signal-regulated kinase (ERK) axis [15]. This evidence concerns the gene FOXD1 and pancreatic ductal adenocarcinoma.