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Agonist and depolarization-induced vascular smooth muscle contractions involve the activation of Rho-kinase pathway. However, there are no reports addressing the question whether this pathway is involved in NaF-induced vascular contractions. We hypothesized that Rho-kinase plays a role in vascular contraction evoked by sodium fluoride in rat aortae. In both(More)
AIM OF THE STUDY HMC05, an extract from eight different herbal mixtures, has been developed to treat cardiovascular disease. This extract has a vasorelaxant and anti-atherosclerotic action. We hypothesized that HMC05 attenuates vascular contraction through inhibition of the RhoA/Rho-kinase signaling pathway. MATERIALS AND METHODS Rat aortic ring(More)
Samhwangsasim-tang (SST) is a widely used herbal medicine with vasodilatory actions in oriental countries. We hypothesized that SST modulates vascular contractility by decreasing phosphorylation of the myosin phosphatase target subunit. Rat aortic ring preparations were mounted in organ baths and subjected to contractions or relaxations. Phosphorylation of(More)
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