LINC00861 and cancer: In this study, several ARlncRNAs included in the modeling process have been already reported in various malignant tumors, such as CARD8-AS1 (Lin et al., 2018; Li and Zhan, 2019), AC060780.1 (Curty et al., 2020), AC123595.1 (Li et al., 2020; Zheng et al., 2020), UGDH-AS1 (Liu et al., 2020), LINC00996 (Ge et al., 2018), LINC00861 (Qian et al., 2018; Liu et al., 2021b; Hu et al., 2021), AL606489.1 (Wu et al., 2021a), HLA-DQB1-AS1 (Singh and Gasman, 2020), LINC00654 (Li et al., 2017), and LINC00847 (Tu et al., 2020; Li et al., 2021b).