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Molecular basis underlying the generation of spatiotemporal patterns of cytosolic calcium dynamics

Molecular basis underlying the generation of spatiotemporal patterns of cytosolic calcium dynamics
细胞质钙动力学时空模式产生的分子基础
批准号:
20370054
负责人:
MICHIKAWA Takayuki
金额:
$13.23万
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
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
The gating mechanism of inositol 1,4,5-trisphosphate receptor (IP_3R)/Ca^<2+> release channels and the Ca^<2+> pump activity of sarco/endoplasmic reticulum Ca^<2+> ATPase during Ca^<2+> oscillations were investigated by using the fluorescent resonance energy transfer technique. Phospholipase C β1 and β4 were identified to be crucial for the generation of Ca^<2+> oscillations in HeLa cells stimulated with histamine. We constructed a mathematical model to reproduce Ca^<2+> and IP_3 dynamics observed and found that a dual-ligand competition of IP_3R is a fundamental mechanism for the generation of Ca^<2+> oscillations.
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Evaluating the performance of genetically encoded calcium indicators expressed in mammalian neurons
评估哺乳动物神经元中表达的基因编码钙指示剂的性能
DOI: --
发表时间: 2010
期刊:
影响因子: --
作者: [Yoshiyuki Yamada,Takayuki Michikawa,Mitsuhiro hashimoto, Atsushi Miyawaki, Katsuhiko Mikoshiba]
通讯作者: Katsuhiko Mikoshiba
Ca^<2+>振動形成におけるホスホリパーゼCβ1およびβ4の異なる役割
磷脂酶Cβ1和β4在Ca^<2+>振荡形成中的不同作用
DOI: --
发表时间: 2010
期刊:
影响因子: --
作者: [石田幸子]
通讯作者: 石田幸子
Tyr-167/Trp-168 in type 1/3 inositol ,4,5-trisphosphate receptor mediates functional coupling between ligand binding and channel opening
1/3 型肌醇 4,5-三磷酸受体中的 Tyr-167/Trp-168 介导配体结合和通道开放之间的功能耦合
DOI: --
发表时间: 2010
期刊: J.Biol.Chem. 285
影响因子: --
作者: [Yamazaki H., Chan J., Ikura M., Michikawa T., Mikoshiba K.]
通讯作者: Mikoshiba K.
Distinct roles of phospholipase C beta1 and beta4 in the generation of Ca^<2+> oscillations
磷脂酶 C beta1 和 beta4 在 Ca^2 振荡产生中的不同作用
DOI: --
发表时间: 2010
期刊:
影响因子: --
作者: [Sachiko Ishida, Taru Matsu-ura,Takayuki Michikawa,Katsuhiko Mikoshiba]
通讯作者: Taru Matsu-ura,Takayuki Michikawa,Katsuhiko Mikoshiba
20
    Molecular mechanisms underlying the generation of spatiotemporal patterns of cytoplasmic calcium
    • 批准号:
      14580667
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $2.3万
    • 财政年份:
      2002
    • 负责人:
      MICHIKAWA Takayuki
    • 依托单位:
    Physiological significance of feedback regulation of inositol 1,4,5-trisphosphate receptor by cytoplasmic calcium
    • 批准号:
      12680652
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $2.24万
    • 财政年份:
      2000
    • 负责人:
      MICHIKAWA Takayuki
    • 依托单位:
    海外基金