Marie Vidal

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Over the past two decades, basic research has revealed a complex network of regulatory mechanisms that control the ERK1/2-signaling cascade. ERK1/2 mediate cardiac hypertrophy, a major risk factor for the development of arrhythmias, heart failure and sudden death, but also beneficial effects, e.g. protection of the heart from cell death and ischemic injury.(More)
Extracellular signal-regulated kinases 1 and 2 (ERK1/2) are central mediators of cardiac hypertrophy and are discussed as potential therapeutic targets. However, direct inhibition of ERK1/2 leads to exacerbated cardiomyocyte death and impaired heart function. We have previously identified ERK(Thr188) autophosphorylation as a regulatory phosphorylation of(More)
AIMS Activation of the β(1)-adrenergic receptor and its G protein, G(s), induces cardiac hypertrophy. However, activation of classic Gα(s) effectors, adenylyl cyclases (AC) and protein kinase A, is not sufficient for induction of hypertrophy, which suggests the involvement of additional pathway(s) activated by G(s). Recently, we discovered that βγ subunits(More)
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