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A General Analysis of Single IP3 Receptors Modulated by Cytosolic Ca2+ and IP3

机译:胞质Ca2 +和IP3调节单个IP3受体的一般分析

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摘要

In this report, we remove the constraint of detailed balance and give a general discussion of the modulation of cytosolic Ca2+ and IP3 on the iP3 R channel. By introducing the circulation decomposition theorem in stochastic process, the gating mechanism of single IP3 R is neatly analyzed. Some remarkable differences are found to distinguish between equilibrium and non-equilibrium dynamics. Evidence is given to show that detailed balance is violated to some extent in the IP3R channel. Comparison of surface fittings between equilibrium and non-equilibrium models reveals that the latter model excels evidently. It is emphasized that these interesting phenomena in the non-equilibrium dynamics, present a more comprehensive view of the channel behavior.
机译:在此报告中,我们消除了详细平衡的限制,并就iP3 R通道上胞质Ca2 +和IP3的调节作了一般性讨论。通过在随机过程中引入循环分解定理,对单个IP3 R的门控机制进行了巧妙的分析。发现了一些显着的差异来区分平衡和非平衡动力学。有证据表明,IP3R通道在某种程度上违反了详细的平衡。平衡模型和非平衡模型之间的表面拟合比较表明,后者模型具有明显的优势。要强调的是,这些非平衡动力学中有趣的现象为信道行为提供了更为全面的观点。

著录项

  • 来源
    《Optimization and systems biology》|2009年|p.89-101|共13页
  • 会议地点 Zhangjiajie(CN);Zhangjiajie(CN)
  • 作者

    Chen Jia; Yihan Li; Minping Qian;

  • 作者单位

    School of Mathematical Sciences,Peking University,Beijing 100871,China;

    School of Mathematical Sciences,Peking University,Beijing 100871,China;

    School of Mathematical Sciences Peking University,Beijing 100871,China Center for Theoretical Biology,Peking University,Beijing 100871,China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 生物工程学(生物技术);
  • 关键词

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