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Functional role of Ca2+ currents within the stereocilia as bio-MEMS: A modeling study

机译:CA 2 + 电流作为生物MEMS的功能作用:建模研究

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Hair cells are thought to be passive transduction systems able to convert a mechanical pulse in an electrical signal. In this paper, we have investigated the polyelectrolyte properties of actin filaments which in interaction with myosin motor proteins represent basic participants in mechano-electrical transduction in the stereocilia, mechanosensing organelles of hair cells. We have elaborated a biophysical model with the aim to explain how actin filaments play the role of guides for propagation of Ca2+ ion currents. Special emphasis is placed on the possible role of this mechanism in tuning the activity of myosin motors which are involved in mechanosensitivity of the stereocilia.
机译:毛细胞被认为是能够在电信号中转换机械脉冲的被动转导系统。在本文中,我们研究了肌动蛋白长丝的聚电解质特性,其与肌球蛋白电机蛋白质的相互作用代表了立体陶瓷机械肌细胞机组机组机组的基本参与者。我们已经详细阐述了一个生物物理模型,目的是解释肌动蛋白细丝如何发挥导向器的作用,用于Ca 2 + 离子电流的传播。特别强调这种机制在调整参与立体菌的机械敏感性的肌蛋白电动机的活动方面的可能作用。

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