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The Role of Extracellular Vesicles in Optic Nerve Injury: Neuroprotection and Mitochondrial Homeostasis

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dc.contributor.authorPark, Mira-
dc.contributor.authorShin, Hyun Ah-
dc.contributor.authorDuong, Van-An-
dc.contributor.authorLee, Hookeun-
dc.contributor.authorLew, Helen-
dc.date.accessioned2023-01-19T00:40:20Z-
dc.date.available2023-01-19T00:40:20Z-
dc.date.created2023-01-18-
dc.date.issued2022-12-
dc.identifier.issn2073-4409-
dc.identifier.urihttps://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/86641-
dc.description.abstractStem cell therapies hold great promise as alternative treatments for incurable optic nerve disorders. Although mesenchymal stem cells exhibit various tissue regeneration and recovery capabilities that may serve as valuable therapies, the clinical applications remain limited. Thus, we investigated the utility of extracellular vesicles (EVs) from human placenta-derived mesenchymal stem cells (hPSCs) in this context. Hypoxically preconditioned hPSCs (HPPSCs) were prepared via short-term incubation under 2.2% O-2 and 5.5% CO2. The EVs were then isolated. R28 cells (retinal precursor cells) were exposed to CoCl2 and treated with EVs for 24 h. Cell proliferation and regeneration were measured using a BrdU assay and immunoblotting; ATP quantification revealed the extent of the mitochondrial function. The proteome was determined via liquid chromatography-tandem mass spectroscopy. Differentially expressed proteins (DEPs) were detected and their interactions identified. HPPSC_EVs functions were explored using animal models of optic nerve compression. HPPSC_EVs restored cell proliferation and mitochondrial quality control in R28 cells damaged by CoCl2. We identified DEPs (p < 0.05) that aided recovery. The mitochondrial DEPs included LONP1; PARK7; VDAC1, 2, and 3; HSPD1; and HSPA9. EVs regulated the levels of mitophagic proteins in R28 cells injured by hypoxia; the protein levels did not increase in LONP1 knockdown cells. LONP1 is a key mediator of the mitophagy that restores mitochondrial function after hypoxia-induced optic nerve injury.-
dc.language영어-
dc.language.isoen-
dc.publisherMDPI-
dc.relation.isPartOfCELLS-
dc.titleThe Role of Extracellular Vesicles in Optic Nerve Injury: Neuroprotection and Mitochondrial Homeostasis-
dc.typeArticle-
dc.type.rimsART-
dc.description.journalClass1-
dc.identifier.wosid000896553800001-
dc.identifier.doi10.3390/cells11233720-
dc.identifier.bibliographicCitationCELLS, v.11, no.23-
dc.description.isOpenAccessY-
dc.identifier.scopusid2-s2.0-85143615186-
dc.citation.titleCELLS-
dc.citation.volume11-
dc.citation.number23-
dc.contributor.affiliatedAuthorDuong, Van-An-
dc.contributor.affiliatedAuthorLee, Hookeun-
dc.type.docTypeArticle-
dc.subject.keywordAuthorhuman placenta derived mesenchymal stem cells (PSCs)-
dc.subject.keywordAuthoroptic nerve compression model-
dc.subject.keywordAuthorneuroprotection-
dc.subject.keywordAuthormitochondria-
dc.subject.keywordAuthormitophagy-
dc.subject.keywordPlusMESENCHYMAL STEM-CELLS-
dc.subject.keywordPlusGROWTH-FACTOR-
dc.subject.keywordPlusHYPOXIA-
dc.subject.keywordPlusPROLIFERATION-
dc.subject.keywordPlusACTIVATION-
dc.subject.keywordPlusEXPRESSION-
dc.subject.keywordPlusMICRORNAS-
dc.subject.keywordPlusTHERAPY-
dc.subject.keywordPlusAXONS-
dc.relation.journalResearchAreaCell Biology-
dc.relation.journalWebOfScienceCategoryCell Biology-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
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