SPHK1 and colorectal carcinoma: MiR-26b targets the 3′-UTR of fucosyltransferase4 (FUT4) affected migratory behavior of CRC cells to inhibit cell aggressiveness and down-regulated sphingosine kinase 1 (SphK1) mRNA and protein expression to inhibit the growth of CRC cells and increase the sensitivity of chemo-resistance and other cancerous behaviors [101,102].