Myeloperoxidase acts as a profibrotic mediator of atrial fibrillation

Although the precipitating mechanisms of atrial fibrillation are not fully understood, atrial fibrosis is thought to set the stage for arrhythmia. Volker Rudolph et al . now show that the enzyme myeloperoxidase, released by inflammatory cells, is a key inducer of atrial fibrosis and arrhythmia in a...

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