Fig. 4: miRNA sequencing revealed potential key targets in MSC-derived EVs.

a Non-coding RNA sequencing revealed microRNA is the largest portion. b miRNA maturation analysis indicated that about half miRNA was single-chain mature form. c Total numbers of reads representing the top 25 miRNAs according to miRNA profiling of MSC-derived EVs are shown. d The top 7 miRNAs accounted for 59.6% of the total miRNA in MSC EVs.