ArticleProceedings of the National Academy of Sciences of the United States of America2023
Cardiac troponin T N-domain variant destabilizes the actin interface resulting in disturbed myofilament function.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed, 26 citations in OpenAlex.
- Immature and mature myocardium in the pathophysiology of hypertrophic cardiomyopathy.Journal of molecular and cellular cardiology plus · 2026Review
- Probing relaxed myosin states in hypertrophic cardiomyopathy by second harmonic-generation microscopy.eLife · 2026Article
- Article
- Desmoglein-2 deficiency results in cardiac dysfunction by compromising both Z-disc- and intercalated disc-mediated mechanotransduction.bioRxiv : the preprint server for biology · 2025Article
- Heterogeneous Dysregulation of Myosin Super-Relaxation and Energetics in Hypertrophic Cardiomyopathy.Circulation. Heart failure · 2025Article
- LncRNA HSCHARME is altered in human cardiomyopathies and promotes stem cell-derived cardiomyogenesis via splicing regulation.Nature communications · 2025Article
- Cardiac Troponin C E135A Variant Impairs Myofilament Response to PKA Phosphorylation and Is Associated With Autosomal Dominant Dilated Cardiomyopathy With Diastolic Dysfunction.Circulation. Genomic and precision medicine · 2025Article
- The role of the troponin T interactions with actin in regulation of cardiac thin filament revealed by the troponin T pathogenic variant Ile79Asn.Journal of molecular and cellular cardiology · 2025Article
- The potential value of microRNA-409-5p-mediated negative regulation of USP7 in the diagnosis and treatment of acute myocardial infarction.BMC cardiovascular disorders · 2025Article
- Modeling the effects of thin filament near-neighbor cooperative interactions in mammalian myocardium.The Journal of general physiology · 2025Article
- The role of mechanosignaling in the control of myocardial mass.American journal of physiology. Heart and circulatory physiology · 2025Review
- Article
- Assessing Cardiac Contractility From Single Molecules to Whole Hearts.JACC. Basic to translational science · 2024Review
- Disruption of Z-Disc Function Promotes Mechanical Dysfunction in Human Myocardium: Evidence for a Dual Myofilament Modulatory Role by Alpha-Actinin 2.International journal of molecular sciences · 2023Article
- Predominant myosin superrelaxed state in canine myocardium with naturally occurring dilated cardiomyopathy.American journal of physiology. Heart and circulatory physiology · 2023Article
- Nucleus Mechanosensing in Cardiomyocytes.International journal of molecular sciences · 2023Review
- Creatine Kinase Equilibration and ΔGInternational journal of molecular sciences · 2023Article
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Authors and funding
17 authors at 7 institutions in 2 countries.
Funding
Abstract
Missense variant Ile79Asn in human cardiac troponin T (cTnT-I79N) has been associated with hypertrophic cardiomyopathy and sudden cardiac arrest in juveniles. cTnT-I79N is located in the cTnT N-terminal (TnT1) loop region and is known for its pathological and prognostic relevance. A recent structural study revealed that I79 is part of a hydrophobic interface between the TnT1 loop and actin, which stabilizes the relaxed (OFF) state of the cardiac thin filament. Given the importance of understanding the role of TnT1 loop region in Ca
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