Multiple studies have reported that lncRNA forkhead box P4 antisense RNA 1 (FOXP4-AS1) is involved in human cancers, such as colorectal cancer (CRC), gastric cancer (GC), and prostate cancer (PCa) Li et al. 2017a, Chen et al. 2019, Wu et al. 2019). The gene discussed is FOXP4; the disease is gastric cancer.