EFNA1 and gastric cancer: A recent report showed that lncRNA GMAN promotes translation of ephrin A1 (EFNA1) mRNA into protein via binding to the antisense GMAN-AS, which is complementary to EFNA1 mRNA, resulting in the enhancing ability of GC cells to metastasize and invade, so that it leads to GC metastasis and poor patient survival [9].