2022
Muscle LIM Protein Force-Sensing Mediates Sarcomeric Biomechanical Signaling in Human Familial Hypertrophic Cardiomyopathy
Riaz M, Park J, Sewanan LR, Ren Y, Schwan J, Das SK, Pomianowski PT, Huang Y, Ellis MW, Luo J, Liu J, Song L, Chen IP, Qiu C, Yazawa M, Tellides G, Hwa J, Young LH, Yang L, Marboe CC, Jacoby DL, Campbell SG, Qyang Y. Muscle LIM Protein Force-Sensing Mediates Sarcomeric Biomechanical Signaling in Human Familial Hypertrophic Cardiomyopathy. Circulation 2022, 145: 1238-1253. PMID: 35384713, PMCID: PMC9109819, DOI: 10.1161/circulationaha.121.056265.Peer-Reviewed Original ResearchConceptsHypertrophic cardiomyopathySarcomeric mutationsFamilial hypertrophic cardiomyopathySudden cardiac deathCardiac myosin heavy chainMechanism-based treatmentsDevelopment of hypertrophyActivated T cellsCalcineurin-nuclear factorForce productionPhenotypic expressionPluripotent stem cell-derived cardiomyocytesStem cell-derived cardiomyocytesHeart failureCardiac deathVentricular hypertrophyCell-derived cardiomyocytesCardiac contractilityPharmacological interventionsT cellsCardiac diseaseCardiac hypertrophyPatient-specific induced pluripotent stem cellsPharmacological meansTwitch relaxation
2020
Temporal Trend of Age at Diagnosis in Hypertrophic Cardiomyopathy
Canepa M, Fumagalli C, Tini G, Vincent-Tompkins J, Day SM, Ashley EA, Mazzarotto F, Ware JS, Michels M, Jacoby D, Ho CY, Olivotto I, Investigators T. Temporal Trend of Age at Diagnosis in Hypertrophic Cardiomyopathy. Circulation Heart Failure 2020, 13: e007230-e007230. PMID: 32894986, PMCID: PMC7497482, DOI: 10.1161/circheartfailure.120.007230.Peer-Reviewed Original ResearchConceptsHypertrophic cardiomyopathyHCM diagnosisSarcomeric Human Cardiomyopathy RegistryGenetic testingHeart failure symptomsObstructive hypertrophic cardiomyopathyNon-US sitesEra of diagnosisLikely pathogenic variantsClinical characteristicsOlder patientsFamilial hypertrophic cardiomyopathyHCM populationVentricular hypertrophyFemale ratioFailure symptomsSporadic diseasePathogenic variantsAdvanced diagnostic toolsDiagnosisTemporal trendsStable maleMild phenotypeAgePatientsSpatial and Functional Distribution of MYBPC3 Pathogenic Variants and Clinical Outcomes in Patients with Hypertrophic Cardiomyopathy
Helms AS, Thompson AD, Glazier AA, Hafeez N, Kabani S, Rodriguez J, Yob JM, Woolcock H, Mazzarotto F, Lakdawala NK, Wittekind SG, Pereira AC, Jacoby DL, Colan SD, Ashley EA, Saberi S, Ware JS, Ingles J, Semsarian C, Michels M, Olivotto I, Ho CY, Day SM. Spatial and Functional Distribution of MYBPC3 Pathogenic Variants and Clinical Outcomes in Patients with Hypertrophic Cardiomyopathy. Circulation Genomic And Precision Medicine 2020, 13: 396-405. PMID: 32841044, PMCID: PMC7676622, DOI: 10.1161/circgen.120.002929.Peer-Reviewed Original ResearchConceptsHypertrophic cardiomyopathyPathogenic variantsClinical outcomesSarcomeric Human Cardiomyopathy RegistryTruncating variantsHypertrophic cardiomyopathy cohortAdverse event ratesSimilar clinical severityDetailed genotype-phenotype correlationRat ventricular myocytesC10 domainCardiomyopathy cohortGenotype-phenotype correlationMyofilament incorporationFamilial hypertrophic cardiomyopathyClinical severityGenotyped patientsCommon causeMorphological severityTime-event analysisCardiac morphologyPatientsLoss of functionCardiomyopathyVentricular myocytes