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Rhoa/Rho-Kinase Signaling: A Therapeutic Target In Pulmonary Hypertension, Scott A. Barman, Shu Zhu, Richard E. White
Rhoa/Rho-Kinase Signaling: A Therapeutic Target In Pulmonary Hypertension, Scott A. Barman, Shu Zhu, Richard E. White
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Pulmonary arterial hypertension (PAH) is a devastating disease characterized by progressive elevation of pulmonary arterial pressure and vascular resistance due to pulmonary vasoconstriction and vessel remodeling as well as inflammation. Rho-kinases (ROCKs) are one of the best-described effectors of the small G-protein RhoA, and ROCKs are involved in a variety of cellular functions including muscle cell contraction, proliferation and vascular inflammation through inhibition of myosin light chain phosphatase and activation of downstream mediators. A plethora of evidence in animal models suggests that heightened RhoA/ROCK signaling is important in the pathogenesis of pulmonary hypertension by causing enhanced constriction and remodeling of …