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Arrhythmogenic mechanism of gap junctional uncoupling

Arrhythmogenic mechanism of gap junctional uncoupling
间隙连接解偶联的致心律失常机制
批准号:
20590860
负责人:
HONJO Haruo
金额:
$2.91万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2008
资助国家:
日本
项目状态:
已结题
起止时间:
2008 至 2010

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中文摘要
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英文摘要
Arrhythmogenic mechanisms of intercellular electrical uncoupling was investigated by optical mapping of purfued rabbit hearts. Pharmacological inhibition of myocardial gap junctions stabilized the dynamics of spiral-wave reentry and facilitated its perpetuation, whereas enhancement of gap junctional coupling destabilized spiral-wave reentry and promoted its early self-termination by compromising propagation of excitation waves with strong curvature near the rotation center. These results suggest that enhancement of gap junctional coupling could be a useful strategy for the treatment of life-threatening arrhythmias in diseased hearts with gap junctional remodeling.
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Optical mappingによるspiral waveの解析.
使用光学映射分析螺旋波。
DOI: --
发表时间: 2009
期刊: 心電図 29
影响因子: --
作者: [本荘晴朗, 芦原貴司, ほか]
通讯作者: ほか
Increased electrical coupling destabilizes spiral-wave reentry in favor of its early termination through inhibition of wave propagation near the rotation center.
电耦合的增加会破坏螺旋波再入的稳定性,从而通过抑制旋转中心附近的波传播来使其提前终止。
DOI: --
发表时间: 2010
期刊:
影响因子: --
作者: [Takemoto Y, Honjo H, Kamiya K, Kodama I]
通讯作者: Kodama I
細胞間電気結合が心室筋の興奮伝導とスパイラル・リエントリーに及ぼす作用
细胞间电耦合对心室肌兴奋性传导和螺旋折返的影响
DOI: --
发表时间: 2009
期刊:
影响因子: --
作者: [本荘晴朗, 他]
通讯作者:
Pharmacological modification of spiral-wave reentry in rabbit heart : optical mapping analysis
兔心脏螺旋波折返的药理学修饰:光学映射分析
DOI: --
发表时间: 2009
期刊:
影响因子: --
作者: [Itsuo Kodama, et al.]
通讯作者: et al.
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