Cross-talk between calcium and protein kinase A in the regulation of cell migration.

Cross-talk between calcium and protein kinase A in the regulation of cell migration.
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DOI:
10.1016/j.ceb.2011.05.006
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发表时间:
2011-10
影响因子:
7.5
通讯作者:
Howe, Alan K.
Howe, Alan K.
中科院分区:
生物学2区
文献类型:
--
作者:
Howe, Alan K.

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钙离子(Ca2+)和cAMP依赖性蛋白激酶(PKA)是多效性细胞调节剂,并且都对细胞骨架动力学、细胞粘附和细胞迁移产生强大的、不同的影响。通过A激酶锚定蛋白(AKAP)将PKA活性定位于细胞骨架动力学的扩张前沿、整合素和其他调节因子,已成为其在细胞迁移中作用的重要方面。最近的其他工作已经牢固地确立了通过机械敏感性瞬时受体电位(TRP)通道和通过细胞迁移中的钙库操作的钙内流(SOCE)的重要性。最后,有相当多的证据表明,这些机制的Ca2+流入和PKA调节交叉,并经常相互作用,因此可能会在演唱会翻译复杂的细胞外线索到细胞内的生化各向异性所需的定向细胞迁移。
Calcium (Ca2+) and the cAMP-dependent protein kinase (PKA) are pleiotropic cellular regulators and both exert powerful, diverse effects on cytoskeletal dynamics, cell adhesion, and cell migration. Localization, by A-kinase-anchoring proteins (AKAPs), of PKA activity to the protrusive leading edge, integrins, and other regulators of cytoskeletal dynamics has emerged as an important facet of its role in cell migration. Additional recent work has firmly established the importance of Ca2+influx through mechanosensitive transient receptor potential (TRP) channels and through store-operated Ca2+entry (SOCE) in cell migration. Finally, there is considerable evidence showing that these mechanisms of Ca2+influx and PKA regulation intersect—and often interact—and thus may work in concert to translate complex extracellular cues into the intracellular biochemical anisotropy required for directional cell migration.
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