What question did this study set out to answer?

To investigate the function of SCN1B in oxidative stress response using hiPSC-derived cardiomyocytes.

February 21, 2026Biophysical Journal

BPS2026 – Investigating the role of voltage-gated sodium channel gene SCN1B in oxidative stress using hiPSC derived cardiomyocytes

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To investigate the function of SCN1B in oxidative stress response using hiPSC-derived cardiomyocytes.
Compared wild-type and SCN1B knockout cells under oxidative stress
Used live-dead staining after diamide treatment
Assessed expression of antioxidant enzymes in response to oxidative stress
Transduced SCN1B KO cells with splice variants β1 or β1B and recorded action potentials.
KO cells exhibited significantly greater cell death than WT cells after diamide treatment
Higher expression of glutathione reductase and superoxide dismutase 1 in WT cells
Transduced KO cells maintained normal action potential duration under diamide treatment compared to KO cells.

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Implication

This research demonstrates increased cell death and altered antioxidant responses in SCN1B knockout cardiomyocytes under oxidative stress, suggesting SCN1B's protective role and implications for Bruga

Cite This Study

Williams et al. (2026) studied this question.

synapsesocial.com/papers/69990e015b97ab4c14ac2ed0 https://doi.org/10.1016/j.bpj.2025.11.952

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BPS2026 – Investigating the role of voltage-gated sodium channel gene SCN1B in oxidative stress using hiPSC derived cardiomyocytes

Key Points

Discussion

Implication

Cite This Study

BPS2026 – Investigating the role of voltage-gated sodium channel gene SCN1B in oxidative stress using hiPSC derived cardiomyocytes

Key Points

Discussion

Implication

Cite This Study