Relationship between the tissue redox state potential and dak/dt changes of [K+]0 activity during k-strophantoside or acetylcholine induced contractures.

I Wittmann, A Puppi, M Dely
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Abstract

It was established that oxidosis evoked by methylene blue during k-strophantoside and acetylcholine contractures in skeletal muscle was accompanied by an increase in the changes of [K+]0 activity, while redosis evoked by ascorbate under the same conditions was accompanied by a decrease in the changes of [K+]0 activity. These changes in [K+]0 activity parallelled the alterations of contractures caused by oxidosis or redosis suggesting that changes in the [K+]0 transient play an important role in these phenomena.

K -芪甲苷或乙酰胆碱诱导收缩时组织氧化还原态电位与[K+]0活性变化的关系
结果表明,在K -strophantoside和乙酰胆碱收缩时,亚甲基蓝引起的氧化反应伴随着[K+]0活性变化的增加,而在相同条件下,抗坏血酸引起的氧化反应伴随着[K+]0活性变化的减少。这些[K+]0活性的变化与氧化或氧化引起的收缩变化相似,表明[K+]0瞬态的变化在这些现象中起重要作用。
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