Arrhythmogenic mechanism of gap junctional uncoupling
Arrhythmogenic mechanism of gap junctional uncoupling
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
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:
他
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.
スパイラル・リエントリーのダイナミクスと制御
螺旋再入动力学与控制
DOI:
--
发表时间:
2008
期刊:
影响因子:
--
作者:
[Horie T, Ono K, Iwanaga Y, Nishi H, Nagao K, Kinoshita M, Watanabe S, Kuwabara Y, Nakashima Y, Takanabe-Mori R, Nishi E, Hasegawa K, Kita T, Kimura T, 本荘晴朗]
通讯作者:
本荘晴朗
共 35 条
Study on dynamics and statistics of dendritic side-branching
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依托单位:
Prevention of spiral wave formation and breakup bycontmlof intracellular calcium dynamics
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依托单位:
Ectopic activities in pulmonary veins initiating atrial fibrillation
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Study on fractal dimension of diffusion-limited aggregation in n-Euclidian space
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Modulation of ventricular spiral-wave reentry by cardiac ion channel blockade
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Study on side-branching structure of dynamical pattern formation in diffusion field.
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资助金额:$2.24万
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财政年份:2001
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负责人:HONJO Haruo
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依托单位:
Ionic mechanisms underlying overdrive suppression of sinoatrial node cells
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批准号:07670775
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项目类别:Grant-in-Aid for Scientific Research (C)
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资助金额:$1.28万
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财政年份:1995
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负责人:HONJO Haruo
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依托单位:
海外基金