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Exosomes promote proliferation and inhibit apoptosis of CD133+CaSki cells. a AnnexinV-FITC/PI double staining was used to detect the apoptosis of cells in each group. b Comparison of apoptosis rate in each group. c Comparison of proliferation difference in each group by CCK-8 assay. N = 3, * P < 0.05 vs. the control group. Measurement data were depicted as mean ± standard deviation, comparisons between two groups were conducted by independent sample t test
