Unusual Heart Arryhthmias can be Due to Leaky Channels

Leaky transmembrane channels could cause disruptions in normal heart function, reveal researchers in Canada. Unusual cardiac arrhythmias can occur due to ion leaks in mutant sodium channels, suggests the study. Voltage-gated sodium (Nasubv/sub) channels are responsible for mediating an "action potential" in muscle cells that leads to contraction. Nasubv/sub1.5 is the primary Nasubv/sub channel expressed in the muscle cells of the heart, and Nasubv/sub1.5 ...

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Written by: editor - Monday, January 26, 2015

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