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Figure 1 The top of each panel shows a typical Western blot analysis of 10 µg of protein homogenates of three patients in sinus rhythm (SR), three patients with persistent (chronic) atrial fibrillation (CAF) and three patients with paroxysmal AF (PAF). The immunoblots were done for anti-Kv4.3 (A), anti-Kv1.5 (B), and anti-Kir3.1 (C) with glyceraldehyde-3-phosphate dehydrogenase (37 kD) as an internal control. All data are presented as density units/density units. Values are mean ± SEM.
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