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The effect of PTEN on miR-20b expression in prostate cancer cells. Reverse transcription-quantitative polymerase chain reaction demonstrated that restoration of PTEN expression in VCaP and PC-3 cells did not alter the expression level of miR-20b. PTEN, phosphatase and tensin homolog; miR-20b, microRNA-20b; pcDNA, pseudo-complementary DNA.
