Modulation of the voltage-dependent K+ current by intracellular Mg2+ in rat aortic smooth muscle cells.
OBJECTIVE: Intracellular magnesium ions (Mg2+i) are important in the regulation of a wide range of cellular metabolic processes and modulation of a variety of ion channels. Mg2+ deficiency has been implicated in the aetiology of various cardiovascular diseases. However, potential targets and mechanisms of action of Mg2+i in the cardiovascular system remain poorly understood. We therefore investigated the effect of Mg2+i on the voltage-gated K+ (KV) channels in rat aortic myocytes (RAMs). MET...Expand abstract
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