Optogenetic approaches to control Ca(2+)-modulated physiological processes.

Optogenetic approaches to control Ca(2+)-modulated physiological processes.
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DOI:
10.1016/j.cophys.2020.08.004
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发表时间:
2020-10
影响因子:
2.5
通讯作者:
Jing J
Jing J
中科院分区:
其他
文献类型:
--
作者:
Nguyen NT;Ma G;Zhou Y;Jing J

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钙离子(Ca ~(2+))作为一种多功能的细胞内第二信使,参与多种生理过程的调控。为了实现对活细胞和生物体中Ca 2+信号的精确控制,最近已经通过将光敏结构域工程化到细胞内信号蛋白、G蛋白偶联受体(GPCR)、受体酪氨酸激酶(RTK)和Ca 2+通道中来制作了一组光遗传学工具。本文重点介绍了这些基因编码的Ca 2+通道致动器(GECA)和调节剂的光遗传工程策略、动力学特性、优点和局限性。同时,我们提出了在可兴奋和不可兴奋的细胞和组织中的示例性应用。此外,我们简要讨论了无线光遗传学的潜在解决方案,以加速在生理条件下的GECA的体内应用,重点是近红外(NIR)光激发上转换纳米粒子(UCNP)和生物发光与光遗传学的集成。
As a versatile intracellular second messenger, calcium ion (Ca2+) regulates a plethora of physiological processes. To achieve precise control over Ca2+ signals in living cells and organisms, a set of optogenetic tools have recently been crafted by engineering photosensitive domains into intracellular signaling proteins, G-protein coupled receptors (GPCRs), receptor tyrosine kinases (RTKs), and Ca2+ channels. We highlight herein the optogenetic engineering strategies, kinetic properties, advantages and limitations of these genetically-encoded Ca2+ channel actuators (GECAs) and modulators. In parallel, we present exemplary applications in both excitable and non-excitable cells and tissues. Furthermore, we briefly discuss potential solutions for wireless optogenetics to accelerate the in vivo applications of GECAs under physiological conditions, with an emphasis on integrating near-infrared (NIR) light-excitable upconversion nanoparticles (UCNPs) and bioluminescence with optogenetics.
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