“…Let-7, whose reduced expression is associated with a poor prognosis, negatively regulates the KRAS oncogene. Other miRNAs with potentially tumor suppressor activities include miRNA-1, -153, -29s, -24, -27a, -34a, -101, -107, -124, -126, -133a, -143, -145, -138, -181a, -200c, -203, -205, -206, -218, -363, -489, -491, and -596 [39]. …”