[Participation of proteinkinase CK2 in regulation of human erythrocytes plasma membrane redox system activity: relative contribution of ca(2+)-dependent and ca(2+)-independent mechanisms of its activation].

I N Iakovenko, V V Zhirnov, O P Kozachenko, O V Shablykin, V S Brovarets'

Index: Ukr. Biokhim. Zh. 84(5) , 55-61, (2012)

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Abstract

Involvement of protein kinase CK2 (2.7.11.1) in modulation of live cells trans-plasma membrane electron transport was first discovered. Using human erythrocytes a decrease of plasma membrane redox system (PMRS) activity is shown under the action of specific protein kinase CK2 inhibitors. Using inhibitory analysis the activity regulation of human erythrocytes PMRS by Ca(2+)-dependent and Ca(2+)-independent mechanisms were investigated. It was shown that functional Ca(2+)-antagonists (nitrendipine and calmidazolium) significantly increased, and functional Ca(2+)-agonists to some extent reduced or did not affect the trans-plasma membrane electron transport in these cells.

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