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Figure 6 Pre-Treatment of MSCs With GFs Did Not Aggravate Arrhythmogenecity of Transplanted MSCs

(A) Representative figures of electrocardiographic recording in rats. (B) The arrhythmia score according to Lambeth Convention showed a tendency to be lower in the infarcted heart transplanted with GF–pre-treated MSCs than in the heart with the untreated MSCs (1.1 ± 0.6 vs. 2.4 ± 0.7, p = 0.09). (C) The difference of premature ventricular complex counts between the GF-treated MSC and the untreated group did not reach statistical significance (402 ± 288 vs. 753 ± 305, p = 0.11). PVC = premature ventricular contraction.; other abbreviations as in Figure 1.