XIST and hepatocellular carcinoma: Ranked first, “Feedback modulation of cholesterol metabolism by the lipid-responsive non-coding RNA LeXis” [20] was published in Nature by Sallam T et al. The second and third articles in turn were “m6A RNA methylation promotes XIST-mediated transcriptional repression” and “Long Noncoding RNA HULC Modulates Abnormal Lipid Metabolism in Hepatoma Cells through an miR-9-Mediated RXRA Signaling Pathway”.