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JACC Basic to Translational Science· 2026Q1

Left Ventricular Structural, Physiological, and Transcriptomic Abnormalities in a Novel Porcine Hypertrophic Cardiomyopathy Model

Eric M. Green, Carlos del Rio, Kamel Shibbani, David Kyle Meyerholz et al.

Short summary

A new porcine model of hypertrophic cardiomyopathy (HCM) exhibits structural, physiological, and transcriptomic abnormalities, demonstrating that the cardiac myosin inhibitor MYK-581 reduces hypercontractility and improves diastolic function.

AI-generated from the title and abstract; the full text is not read.

Key points

  • A novel porcine model replicates structural, physiological, and transcriptomic abnormalities of HCM.
  • The model strengthens the mechanistic link between genetic variants and HCM phenotypes.
  • The cardiac myosin inhibitor MYK-581 reduced hypercontractility in the model.
  • MYK-581 improved diastolic function in the porcine HCM model.

AI-generated from the title and abstract; the full text is not read.

Abstract

sensitivity. The cardiac myosin inhibitor MYK-581 reduced hypercontractility and improved diastolic function. Data from this large animal genetic model of HCM strengthen the mechanistic link between genetic variants and in vivo phenotypes and elucidate the mechanisms of myofilament-targeted therapies.

The authors' abstract, as published at the source. JACC Basic to Translational Science, 2026 · DOI ↗

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Field: Cardiology and Cardiovascular Medicine

Cardiology and Cardiovascular MedicineMedicine