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Manganese Superoxide Dismutase Induced by Extracellular Stress Enhances Myocardial Tolerance to Ischemia-Reperfusion

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The Ischemic Heart

Part of the book series: Progress in Experimental Cardiology ((PREC,volume 1))

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Abstract

In this chapter, we describe our recent findings showing that an intrinsic radical scavenger, manganese superoxide dismutase (Mn-SOD), is induced in cardiac myocytes in response to various external stresses, such as ischemic (hypoxic) preconditioning, heat shock, and α1-adrenergic stimulation. The induction of Mn-SOD is well correlated with the acquisition of tolerance to ischemia-reperfusion injury of the myocardium. Because inhibition of Mn-SOD induction abolishes the tolerance to ischemia-reperfusion, Mn-SOD plays a pivotal role as a rescue protein in cardiac myocytes, and the induction of Mn-SOD could be an adaptation mechanism against ischemic heart disease.

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© 1998 Kluwer Academic Publishers

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Kuzuya, T., Nishida, M., Hoshida, S., Yamashita, N., Hori, M., Tada, M. (1998). Manganese Superoxide Dismutase Induced by Extracellular Stress Enhances Myocardial Tolerance to Ischemia-Reperfusion. In: Mochizuki, S., Takeda, N., Nagano, M., Dhalla, N.S. (eds) The Ischemic Heart. Progress in Experimental Cardiology, vol 1. Springer, Boston, MA. https://doi.org/10.1007/978-0-585-39844-0_29

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  • DOI: https://doi.org/10.1007/978-0-585-39844-0_29

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-0-7923-8105-1

  • Online ISBN: 978-0-585-39844-0

  • eBook Packages: Springer Book Archive

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