What question did this study set out to answer?

The research aims to explore the role of sarcomeric force production in hypertrophic cardiomyopathy.

February 21, 2026Biophysical Journal

BPS2026 – Getting to the heart of hypertrophic cardiomyopathy with cryogenic electron tomography

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Authors

JYJoseph YonilesSLAC National Accelerator Laboratory MZMagda ZaoralovaSLAC National Accelerator Laboratory GFGiovanni FajardoCardiovascular Institute of the South

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Implication

Experimental analysis shows altered structure in cardiomyocytes related to hypertrophic cardiomyopathy, indicating a mechanical link to pathological changes.

Key Points

The research aims to explore the role of sarcomeric force production in hypertrophic cardiomyopathy.
Examined sarcomere ultrastructure in human-induced pluripotent stem cell cardiomyocytes and murine models using cryogenic electron tomography.
Analyzed structural differences in cardiomyocytes with HCM mutations.
Observed misalignment of thick filaments in hiPSC-CMs with the MYH7 P710R mutation.
Identified abnormal Z-disc morphology and off-axis thick filament orientations in murine HCM models.

Cite This Study

Yoniles et al. (2026) studied this question.

synapsesocial.com/papers/69990df65b97ab4c14ac2c37 https://doi.org/10.1016/j.bpj.2025.11.260

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Implication

Experimental analysis shows altered structure in cardiomyocytes related to hypertrophic cardiomyopathy, indicating a mechanical link to pathological changes.

BPS2026 – Getting to the heart of hypertrophic cardiomyopathy with cryogenic electron tomography

Discussion

Member takes

Implication

Key Points

Cite This Study

BPS2026 – Getting to the heart of hypertrophic cardiomyopathy with cryogenic electron tomography

Discussion

Member takes

Implication

Key Points

Cite This Study

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