Mitochondrial MsrB2 serves as a switch and transducer for mitophagy
Lee SH, Lee S, Du J, Jain K, Ding M, Kadado AJ, Atteya G, Jaji Z, Tyagi T, Kim W, Herzog RI, Patel A, Ionescu CN, Martin KA, Hwa J. Mitochondrial MsrB2 serves as a switch and transducer for mitophagy. EMBO Molecular Medicine 2019, 11: emmm201910409. PMID: 31282614, PMCID: PMC6685081, DOI: 10.15252/emmm.201910409.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlood PlateletsCell LineDiabetes MellitusFemaleHumansMethionine Sulfoxide ReductasesMice, Inbred C57BLMice, KnockoutMicrofilament ProteinsMicrotubule-Associated ProteinsMitochondriaMitochondrial Membrane Transport ProteinsMitochondrial Permeability Transition PoreMitophagyMutationOxidation-ReductionOxidative StressParkinson DiseaseSignal TransductionUbiquitin-Protein LigasesUbiquitinationConceptsReduced mitophagyOxidative stress-induced mitophagyNovel regulatory mechanismStress-induced mitophagyLC3 interactionMitochondrial matrixDamaged mitochondriaMsrB2Reactive oxygen speciesRegulatory mechanismsMethionine oxidationMitophagyMitochondriaPlatelet apoptosisOxygen speciesPlatelet-specific knockoutApoptosisPathophysiological importanceExpressionImportant roleUbiquitinationParkin mutationsParkinSpeciesLC3Platelet-derived miR-223 promotes a phenotypic switch in arterial injury repair
Zeng Z, Xia L, Fan X, Ostriker AC, Yarovinsky T, Su M, Zhang Y, Peng X, Xie Y, Pi L, Gu X, Chung SK, Martin KA, Liu R, Hwa J, Tang WH. Platelet-derived miR-223 promotes a phenotypic switch in arterial injury repair. Journal Of Clinical Investigation 2019, 129: 1372-1386. PMID: 30645204, PMCID: PMC6391113, DOI: 10.1172/jci124508.Peer-Reviewed Original ResearchConceptsArterial injuryInjury repairMiR-223Intimal hyperplasiaVSMC dedifferentiationArterial injury repairArterial wire injuryPlatelet-derived miRNAsVascular injury repairVSMC phenotypic switchingInjury-induced dedifferentiationMiR-223 mimicsDiabetic miceEndothelial denudationWire injuryReporter miceUptake of GFPInjuryHyperplasiaVSMCsReduced expressionVivo studiesPhenotypic switchMiceSignificant increase