H19 and neoplasm: Some studies showed that LncRNA H19 could participate in the regulation of various biological processes such as cell proliferation, apoptosis, and metabolism (Zhang et al., 2018, 2019; Wang et al., 2019; Zhou et al., 2020); others also indicated that lncRNA H19 regulated tumor carcinogenesis, angiogenesis, and metastasis (Lorenzen and Thum, 2016; Xie et al., 2016; Cao et al., 2019).