Vascular smooth muscle biology is increasingly exploited as an interventional target in vascular disease. Vascular smooth muscle Notch3–Rho kinase–cGMP interaction has been implicated in brain and peripheral arteriopathy in CADASIL. In the present commentary, we discuss the potential implications for other, more common non-atherosclerotic microvascular diseases: INOCA and HFpEF. The relation to mechanotransduction, to cellular senescence and to sGC activators as potential intervention agents are described.

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