Na,K-ATPase in the myocardium: Molecular principles, functional and clinical aspects

A. Ziegelhöffer*, K. Kjeldsen, H. Bundgaard, A. Breier, N. Vrbjar, A. Džurba

*Corresponding author af dette arbejde

    Publikation: Bidrag til tidsskriftArtikelForskningpeer review

    Abstract

    The role that Na,K-ATPase plays in Na+ and K+ antiport through the sarcolemma, in cation-homeostasis in cardiomyocytes as well as in excitation-contraction coupling and cell signalling in the myocardium is now widely recognized. It was its key importance for the cell membrane function that kept this enzyme intensively studied during the last three decades and finally brought to its discoverer the deserved Nobel Prize. Almost weekly are appearing new data concerning structure, function, regulation and role of the Na,K-ATPase in different physiological and pathological conditions. The special importance of the enzyme for heart function as well as the great amount of data that is concerned specifically with the heart Na,K-ATPase and accumulated since yet, started to call for setting them in order. The present paper updates basically important data on the cardiac Na,K-ATPase in relation to its specific properties, molecular mechanisms of function, mode of action, humoral and pharmacological modulation, adaptability, physiological role and clinical aspects.

    OriginalsprogEngelsk
    Sider (fra-til)9-47
    Antal sider39
    TidsskriftGeneral Physiology and Biophysics
    Vol/bind19
    Udgave nummer1
    StatusUdgivet - 1 dec. 2000

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