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  • Title: Cargo proteins in extracellular vesicles: potential for novel therapeutics in non-alcoholic steatohepatitis.
    Author: Kim J, Lee SK, Jeong SY, Cho HJ, Park J, Kim TM, Kim S.
    Journal: J Nanobiotechnology; 2021 Nov 17; 19(1):372. PubMed ID: 34789265.
    Abstract:
    BACKGROUND: Extracellular vesicles (EVs) are recognized as novel cell-free therapeutics. Non-alcoholic steatohepatitis (NASH) remains a critical health problem. Herein, we show that EVs from pan peroxisome proliferator-activated receptor agonist-primed induced mesenchymal stem cell (pan PPAR-iMSC-EVs) has unique cargo protein signatures, and demonstrate its therapeutic function in NASH. RESULTS: A unique protein signatures were identified in pan PPAR-iMSC-EVs against those from non-stimulated iMSC-EVs. NASH mice receiving pan PPAR-iMSC-EVs showed reduced steatotic changes and ameliorated ER stress and mitochondiral oxidative stress induced by inflammation. Moreover, pan PPAR-iMSC-EVs promoted liver regeneration via inhibiting apoptosis and enhancing proliferation. CONCLUSIONS: We conclude that our strategy for enriching unique cargo proteins in EVs may facilitate the development of novel therapeutic option for NASH.
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