MIR100HG and gastric cancer: Previous studies had demonstrated that lncRNA MIR100HG was identified as an oncogene in various cancers, including breast cancer (Chen et al., 2020), hepatocellular carcinoma (HCC) (Li et al., 2021), gastric cancer (Li J. et al., 2019; Li et al., 2020), and colorectal cancer (Li W. et al., 2019).