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Bone and Calcium Research Update 2015. Role of calcium in the regulation of smooth muscle function. Hirano Katsuya 1 1Department of Cardiovascular Physiology, Faculty of Medicine, Kagawa University, Japan. pp.59-68
Published Date 2014/12/28
DOI https://doi.org/10.20837/4201501059
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 The vascular smooth muscle plays a physiological role in the regulation of the organ blood flow and blood pressure by modulating vascular resistance. The contraction of vascular smooth muscle is regulated by both Ca2+ signal and changes in the sensitivity of the contractile apparatus to Ca2+.The influx of the extracellular Ca2+ and the release of Ca2+ from the intracellular store sites play an important role in generating Ca2+ signal. The regulation of activity of myosin light chain phosphatase plays a critical role in regulating the myofilament Ca2+ sensitivity. It is conceivable that any contractile stimulants or vasorelaxant agents exert their vascular effects by affecting either Ca2+ signal or myofilament Ca2+ sensitivity.



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電子版ISSN 印刷版ISSN 0917-5857 医薬ジャーナル社

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