Fig. 4From: PD-L1 monoclonal antibody-decorated nanoliposomes loaded with Paclitaxel and P-gp transport inhibitor for the synergistic chemotherapy against multidrug resistant gastric cancersa Combination index (CI) of different weight fractions of PTX and TQD in SGC7901/ADR cells. The combination index was evaluated by CalcusynTM software. b In vitro cell viabilities of SGC7901/ADR cells after treatment with various concentrations of free PTX, TQD, PTLP, and PD-PTLP for 24-h incubation period. c Western blot analysis of p-gp expression in SGC7901/ADR cells after treatment with respective formulations. **p < 0.01 and ***p < 0.001 is the statistical difference between free PTX and PD-PTLP-treated groupBack to article page