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  1. Article

    Importance of cardiac cell membranes in vanadate-induced NADH oxidation

    ERLAND ERDMANN, WOLFGANG KRAWIETZ, INGELORE HACKBARTH, WILHELM SCHMITZ… in Nature (1981)

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    Article

    Purified cardiac cell membranes with high (Na+ + K+) ATPase activity contain significant NADH-vanadate reductase activity

    Vanadium compounds have been reported to inhibit the (Na+ + K+)ATPase activity of several cell membrane preparations1–3, to have a positive inotropic effect on ventricular cardiac muscle4, slightly increase myoca...

    Erland Erdmann, Wolfgang Krawietz, Gunther Philipp, Ingelore Hackbarth… in Nature (1979)

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    Article

    Stimulatory effect of vanadate on (Na+ + K+)-ATPase activity and on 3H-ouabain-binding in a cat heart cell membrane preparation

    VANADATE has been reported to inhibit (Na+ + K+)-ATPase activity in membrane preparations from dog kidney1 and in red cells2. This inhibition, which occurs in the nanomolar concentration range in the presence of ...

    ERLAND ERDMANN, WOLFGANG KRAWIETZ, GUNTHER PHILIPP, INGELORE HACKBARTH… in Nature (1979)

  4. Article

    Positive inotropism of vanadate in cat papillary muscle

    MANY samples hf ‘Sigma grade’ ATP from Sigma Chemical Co. reportedly contained an impurity which induces anomalous kinetics of (Na, K)-ATPase activity1–3. This impurity has recently been identified as vanadate4, ...

    INGELORE HACKBARTH, WILHELM SCHMITZ, HASSO SCHOLZ, ERLAND ERDMANN… in Nature (1978)

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