Abstract
Emerging evidence has demonstrated that N6 -methyladenosine (m6 A) and long noncoding RNAs (lncRNAs) are both crucial regulators in gastric cancer (GC) tumorigenesis. However, the interaction of m6 A and lncRNAs in GC progression are still unclear. Here, our team discovered that lncRNA LINC00958 expression up-regulated in GC tissue and cells. Clinically, high-expression of LINC00958 was clinically correlated to lower survival of GC patients. Functionally, in vitro assays demonstrated that LINC00958 promoted the GC cells' aerobic glycolysis. Mechanistically, methylated RNA immunoprecipitation sequencing (MeRIP-Seq) found that there were m6 A-modificated sites in LINC00958, and moreover m6 A methyltransferase KIAA1429 catalyzed the m6 A modification on LINC00958 loci. Moreover, LINC00958 interacted with GLUT1 mRNA via the m6 A-dependent manner to enhance GLUT1 mRNA transcript stability, thereby positively regulating the aerobic glycolysis of GC. In conclusion, our findings reveal the function and mechanism of KIAA1429-induced LINC00958 in GC, delineating novel understanding of m6 A-lncRNA in cancer biology.
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