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. 2022 Sep 8;13:992476. doi: 10.3389/fphar.2022.992476

FIGURE 4.

FIGURE 4

(A) Strategies of exosomes as transport vehicles for endogenous and exogenous miRNA/miRNA mimics; (B) The sustained-release properties and good biocompatibility of hydrogels facilitating safe delivery and durable function of exosomes; (C) Surface-functionalized exosomes improving targeting specificity.