Why the study?
Does progesterone modulate cardiac repolarization?
Does progesterone modulate cardiac repolarization?
Progesterone regulates cardiac repolarization via a nongenomic nitric oxide pathway, providing a framework to understand QT interval fluctuations and torsade de pointes risks in different hormonal states in women.
May inform QT risk assessment across hormonal states in women; leaves open human translation of this animal pathway.
Our data show that progesterone modulates cardiac repolarization by nitric oxide produced via a nongenomic pathway. A combination of experimental and computational analyses of progesterone effects provides a framework to understand complex fluctuations of QT interval and torsade de pointes risks in various hormonal states in women.
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Nakamura et al. (2007) studied this question.
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