The present disclosure provides compositions, pharmaceutical preparations, kits and methods for increasing expression of a NKX3-1 gene product in a cell by contacting the cell with a small activating RNA (saRNA) molecule comprising a ribonucleic strand that is complementary to a promoter region sequence of the NKX3-1 gene. The present disclosure also provides compositions, pharmaceutical preparations, kits and methods for increasing expression of a KLF4 gene product in a cell by contacting the cell with a small activating RNA (saRNA) molecule comprising a ribonucleic strand that is complementary to a promoter region sequence of the KLF4 gene.
