Fig. 2From: Tumor-specific delivery of KRAS siRNA with iRGD-exosomes efficiently inhibits tumor growthKRAS siRNA encapsulated in iRGD-exosomes suppressed lung cancer cell proliferation in vitro. (a) Representative image of cell proliferation assay (n = 3 in each group). (b) Quantitative analysis of cell proliferation rate. **, p < 0.01Back to article page