SLCO1B3 and neoplasm: Ct-OATP1B3-knockdown group (sh-Ct-OATP1B3-OVCAR3) exhibited reduced tumor volume and tumor weight, whereas Ct-OATP1B3 overexpression group (OE-Ct-OATP1B3-CAOV3) demonstrated a significant increase of tumor volume and tumor weight, when compared to their respective controls (Fig. 7A and B).