Mitochondrial thioredoxin-2 maintains HCN4 expression and prevents oxidative stress-mediated sick sinus syndrome
Yang B, Huang Y, Zhang H, Huang Y, Zhou HJ, Young L, Xiao H, Min W. Mitochondrial thioredoxin-2 maintains HCN4 expression and prevents oxidative stress-mediated sick sinus syndrome. Journal Of Molecular And Cellular Cardiology 2019, 138: 291-303. PMID: 31751569, DOI: 10.1016/j.yjmcc.2019.10.009.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBradycardiaCardiomyopathy, DilatedEnhancer Elements, GeneticHistone DeacetylasesHyperpolarization-Activated Cyclic Nucleotide-Gated ChannelsMEF2 Transcription FactorsMice, KnockoutMitochondria, HeartModels, BiologicalOxidative StressPhenotypeProtein BindingReactive Oxygen SpeciesRNA, MessengerSick Sinus SyndromeSinoatrial NodeThioredoxinsConceptsSick sinus syndromeSinus syndromeHistone deacetylase 4Lower heart rateHeart rateHCN4 expressionConduction systemSinoatrial nodeNormal heart rateCardiac conduction systemHistone 3 acetylationMitochondrial oxidative stressSinus bradycardiaCardiac functionLox/SyndromeHeart rhythmMyosin heavy chainHistological analysisMiceDeletion miceOxidative stressWhole heartProtein levelsUnderlying mechanism