Yangxun Xin

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BACKGROUND Recent studies have shown that short duration ventricular fibrillation (SDVF) and long duration ventricular fibrillation (LDVF) are maintained by different mechanisms. The objective of this study is to evaluate how the defibrillation threshold (DFT) varies over the duration of fibrillation since the mechanism of VF maintenance changes as VF(More)
AIM To determine the role of repetitive endocardial focal activations and Purkinje fibers in the maintenance of long duration ventricular fibrillation (LDVF, VF>1 minute) in canine hearts in vivo. METHODS The study was conducted in electrophysiological laboratory of Shanghai Ruijin hospital from July 2010 to August 2012. A 64-electrode basket was(More)
We have previously demonstrated that novel 1-alkyl-tryptophan analogs 1-butyltryptophan (1-BT) can serve as a potential antitumor agent. However, the molecular mechanisms of 1-BT on cancer cells remain to be elucidated. The effect of 1-BT on cell proliferation was detected by 3-[4,5-dimethylthiazol-2-yl]-2,5 diphenyl tetrazolium bromide (MTT) assay and(More)
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