Angiotensin II, Oxidative Stress, and Sympathetic Nervous System Hyperactivity in Heart Failure

  • Koba Satoshi
    Division of Integrative Physiology, Department of Physiology, School of Medicine, Tottori University Faculty of Medicine, Yonago 683-8503, Japan

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Description

<p>In congestive heart failure (CHF), sympathetic nervous system is hyperactive. This article reviews current understandings about central and peripheral neural mechanisms underlying sympathetic hyperactivation in this pathological condition. During the development of CHF, renin-angiotensin system (RAS) activities and angiotensin II–mediated oxidative stress become enhanced. Here, on the basis of findings obtained from animal studies, it is examined how RAS overactivation and oxidative stress in central and peripheral nervous systems of CHF mediate sympathetic hyperactivation. Mechanisms by which exercise training in CHF ameliorates RAS overactivation, oxidative stress and sympathetic hyperactivation are also investigated.</p>

Journal

  • Yonago Acta Medica

    Yonago Acta Medica 61 (2), 103-109, 2018

    Tottori University Medical Press

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