So in order to further prove whether miR-17~92 cause paclitaxel resistance through PTEN in SKOV3-TR30, we tested the expression of PTEN protein in paclitaxel resistant ovarian carcinoma SKOV3-TR30 cells after transduced with miR-17~92-PTIP-Sponge all. Here, PTEN is linked to ovarian carcinoma.