IndraLab

Statements


Mutated SCN5A inhibits sodium atom. 2 / 2
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"However, some SCN5A mutations impair mexiletine effects and the drug may favor Na channel trafficking to the membrane, thus raising concerns about the indiscriminate use of sodium channel blockers in LQT3 without careful individual testing."

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"SCN5A mutations may reduce I Na by changing the functional properties (gating) of the sodium channel protein 16 or by resulting in its failure to express in the sarcolemma (trafficking)."