According to the latest research from Mo’s team, MIR31HG serves as an oncogene by targeting mir-193a-3p and positively enhances recombinant tumor necrosis factor receptor superfamily, member 21 (TNFRSF21) expression in lung adenocarcinoma (Mo et al., 2022). This evidence concerns the gene TNFRSF21 and lung adenocarcinoma.