Abstract:
:Nanoparticle-mediated delivery of functional macromolecules is a promising method for treating a variety of human diseases. Among nanoparticles, cell-derived exosomes have recently been highlighted as a new therapeutic strategy for the in vivo delivery of nucleotides and chemical drugs. Here we describe a new tool for intracellular delivery of target proteins, named 'exosomes for protein loading via optically reversible protein-protein interactions' (EXPLORs). By integrating a reversible protein-protein interaction module controlled by blue light with the endogenous process of exosome biogenesis, we are able to successfully load cargo proteins into newly generated exosomes. Treatment with protein-loaded EXPLORs is shown to significantly increase intracellular levels of cargo proteins and their function in recipient cells in vitro and in vivo. These results clearly indicate the potential of EXPLORs as a mechanism for the efficient intracellular transfer of protein-based therapeutics into recipient cells and tissues.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Yim N,Ryu SW,Choi K,Lee KR,Lee S,Choi H,Kim J,Shaker MR,Sun W,Park JH,Kim D,Heo WD,Choi Cdoi
10.1038/ncomms12277subject
Has Abstractpub_date
2016-07-22 00:00:00pages
12277issn
2041-1723pii
10.1038/ncomms12277journal_volume
7pub_type
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