Anna Tarradas

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Anna Tarradas
Firma: Anna Tarradas
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A missense mutation in the sodium channel β2 subunit reveals SCN2B as a new candidate gene for Brugada syndrome.

A missense mutation in the sodium channel β2 subunit reveals SCN2B as a new candidate gene for Brugada syndrome.

Brugada Syndrome (BrS) is a familial disease associated with sudden cardiac death. A 20%-25% of BrS patients carry genetic defects that cause loss-of-function of the voltage-gated cardiac sodium channel. Thus, 70%-75% of patients remain without a genetic diagnosis. In this work, we identified a novel missense mutation (p.Asp211Gly) in the sodium β2 subunit encoded by SCN2B, in a woman diagnosed with BrS. We studied the sodium current (INa ) from cells coexpressing Nav 1.5 and wild-type (β2WT) or mutant (β2D211G) β2 subunits.

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