Additionally, Sun39et al. investigated the potential mechanism of HOXA11-AS in gastric cancer cells, and they found that HOXA11-AS could play an oncogenic role through the EZH2/HOXA11-AS/LSD1 complex or HOXA11-AS/miR-1297/EZH2 crosstalk. The gene discussed is KDM1A; the disease is gastric cancer.