Increased myofilament Ca2+-sensitivity and arrhythmia susceptibility.
Increased myofilament Ca2+-sensitivity and arrhythmia susceptibility.
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DOI:
10.1016/j.yjmcc.2010.01.011
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发表时间:
2010-05
影响因子:
5
通讯作者:
Knollmann BC
中科院分区:
文献类型:
--
作者:
Huke S;Knollmann BC
Increased myofilament Ca2+ sensitivity, a common attribute of inherited and acquired cardiomyopathies, is often associated with cardiac arrhythmias. Accumulating evidence supports that increased myofilament Ca2+ sensitivity is an independent risk factor for arrhythmias, but the underlying molecular mechanism remains unclear. This review focuses on potential mechanisms how myofilament Ca2+ sensitivity may affect cardiac excitation and leads to the generation of arrhythmias. We discuss in detail the downstream effects of increased myofilament Ca2+ sensitivity, i.e. altered Ca2+ buffering/handling, impaired energy metabolism and increased mechanical stretch, and how they may contribute to the proarrhythmic effect.
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影响因子:
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通讯作者:
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