HOTAIR and gastric cancer: To date, it has been demonstrated that several HOTAIR gene SNPs are associated with the appearance and progression of lung, ovarian, breast, and gastric cancers, as well as cervical cancer (Qiu et al. 2017; Jin et al. 2017; Wang et al. 2019; Moazeni-Roodi et al. 2020; Ke et al. 2022; Liu et al. 2022, Yalınbaş Kaya et al. 2022).