Fig. 5.

Identification of exosomes derived from WJ-MSCs. a, b Western blots of the levels of the BKCa channel protein in WJ-MSCs after transfection with the three siRNAs. c Real-time PCR detection of the changes in BKCa channel mRNA expression in WJ-MSCs after transfection with the three siRNAs. d The morphology of the exosomes from the nc-exo and si-exo groups was viewed using TEM. e The levels of CD9, CD63, and CD81 was detected using western blotting. f The size distributions of the exosomes from the two groups were analysed using NTA. The data are presented as the mean ± S.E.M. from three independent experiments. *p < 0.05 and **p < 0.01 compared with the nc group