MALAT1 and gastric cancer: Many reports illustrate a relationship between the overexpression of RNA genes in chemo-resistant GC cases, such as the hepatocellular carcinoma up-regulated lncRNA (HULC), the HOXA distal transcript antisense RNA (HOTTIP), as well as the metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) [52,53].