Hypercapnia increases airway smooth muscle contractility via caspase-7–mediated miR-133a–RhoA signaling
Shigemura M, Lecuona E, Angulo M, Homma T, Rodríguez DA, Gonzalez-Gonzalez FJ, Welch LC, Amarelle L, Kim SJ, Kaminski N, Budinger GRS, Solway J, Sznajder JI. Hypercapnia increases airway smooth muscle contractility via caspase-7–mediated miR-133a–RhoA signaling. Science Translational Medicine 2018, 10 PMID: 30185650, PMCID: PMC6889079, DOI: 10.1126/scitranslmed.aat1662.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcholineAgedAged, 80 and overAirway ResistanceAnimalsCalciumCalpainCarbon DioxideCaspase 7Chronic DiseaseDown-RegulationEnzyme ActivationFemaleHumansHypercapniaMaleMEF2 Transcription FactorsMice, Inbred C57BLMicroRNAsMiddle AgedMuscle ContractionMuscle, SmoothMyocytes, Smooth MusclePulmonary Disease, Chronic ObstructiveRhoA GTP-Binding ProteinSignal TransductionConceptsChronic obstructive pulmonary diseaseAirway smooth muscle cellsSmooth muscle cellsMouse airway smooth muscle cellsSevere chronic obstructive pulmonary diseaseHuman airway smooth muscle cellsAirway smooth muscle contractilityMuscle cellsCorrection of hypercapniaSmooth muscle cell contractionCohort of patientsObstructive pulmonary diseaseHigh airway resistanceSevere lung diseaseDevelopment of hypercapniaSmooth muscle contractilityMuscle cell contractionRas homolog family member AMyosin light chain phosphorylationAirway contractilityAirway contractionHypercapnic patientsCOPD severityPulmonary diseaseAirway resistanceAn HDAC9-MALAT1-BRG1 complex mediates smooth muscle dysfunction in thoracic aortic aneurysm
Lino Cardenas CL, Kessinger CW, Cheng Y, MacDonald C, MacGillivray T, Ghoshhajra B, Huleihel L, Nuri S, Yeri AS, Jaffer FA, Kaminski N, Ellinor P, Weintraub NL, Malhotra R, Isselbacher EM, Lindsay ME. An HDAC9-MALAT1-BRG1 complex mediates smooth muscle dysfunction in thoracic aortic aneurysm. Nature Communications 2018, 9: 1009. PMID: 29520069, PMCID: PMC5843596, DOI: 10.1038/s41467-018-03394-7.Peer-Reviewed Original ResearchMeSH KeywordsActomyosinAnimalsAortaAortic Aneurysm, ThoracicCell LineCell NucleusChromatinDisease Models, AnimalDNA HelicasesDNA MethylationFemaleFluorescent Antibody TechniqueHistone DeacetylasesHistonesHumansMaleMiceMice, KnockoutMuscle, Smooth, VascularMutationMyocytes, Smooth MuscleNuclear ProteinsPhenotypePrimary Cell CultureRepressor ProteinsRNA InterferenceRNA, Long NoncodingRNA, Small InterferingSignal TransductionTranscription FactorsTransforming Growth Factor betaConceptsChromatin-remodeling enzyme BRG1Contractile protein gene expressionProtein gene expressionLong noncoding RNA MALAT1Noncoding RNA MALAT1Bind chromatinTGF-β signalingTrimethylation modificationActomyosin cytoskeletonEpigenetic pathwaysContractile protein expressionGene expressionSimilar phenotypeRNA MALAT1Ternary complexBRG1HDAC9VSMC dysfunctionAortic aneurysmCytoskeletonProtein expressionPotential common mechanismsCommon mechanismSmooth muscle dysfunctionMutations