TRPM7 and hepatocellular carcinoma: (h) The relative mRNA expression levels of TRPC1, TRPC6, TRPM2, TRPM3, TRPM7, TRPV4, TRPV5, TRPV6, TRPP2, and TRPP5 in HCC tumor tissues were analyzed in public microarray data TCGA downloaded from the Gene Expression Omnibus (GEO) database.