Imaging mGluR5 Dynamics in Astrocytes Using Quantum Dots

Imaging mGluR5 Dynamics in Astrocytes Using Quantum Dots
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使用量子点对星形胶质细胞中的 mGluR5 动态进行成像

DOI:
10.1002/0471142301.ns0221s66
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发表时间:
2014
期刊:
Curr Protoc Neurosci.
影响因子:
--
通讯作者:
Mikoshiba K.
Mikoshiba K.
中科院分区:
--
文献类型:
--
作者:
Arizono M;Bannai H;Mikoshiba K.

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本单元描述了我们开发的通过使用量子点的单粒子跟踪(QD-SPT)来阐明星形胶质细胞中内源性mGluR 5(亲代谢tamate受体5)动力学的方法。QD-SPT已成为研究神经递质受体动力学对突触可塑性的贡献的有力工具。神经递质受体也在星形胶质细胞(大脑中最丰富的神经胶质细胞形式)中表达。mGluR 5s在接受谷氨酸后引起细胞内Ca 2+信号,有助于星形胶质细胞对突触传递功效和局部血流的调节。QD-SPT先前已经揭示了质膜上mGluR 5的侧向扩散的调节对于星形胶质细胞中的局部Ca 2+信号传导是重要的。确定mGluR 5动力学如何响应神经元输入进行调节,将有助于在未来的研究中更好地理解神经元-星形胶质细胞通信。协议Neurosci. 66:2.21.1 - 2.21.18。© 2014年由John Wiley & Sons,Inc.
This unit describes the method that we have developed to clarify endogenous mGluR5 (etabotropic tamate eceptors 5) dynamics in astrocytes by single‐particle tracking using quantum dots (QD‐SPT). QD‐SPT has been a powerful tool to examine the contribution of neurotransmitter receptor dynamics to synaptic plasticity. Neurotransmitter receptors are also expressed in astrocytes, the most abundant form of glial cell in the brain. mGluR5s, which evoke intracellular Ca2+signals upon receiving glutamate, contribute to the modulation of synaptic transmission efficacy and local blood flow by astrocytes. QD‐SPT has previously revealed that the regulation of the lateral diffusion of mGluR5 on the plasma membrane is important for local Ca2+signaling in astrocytes. Determining how mGluR5 dynamics are regulated in response to neuronal input would enable a better understanding of neuron‐astrocyte communication in future studies.Curr. Protoc. Neurosci. 66:2.21.1‐2.21.18. © 2014 by John Wiley & Sons, Inc.
神经元和胶质细胞的制备和共培养
DOI: 10.1002/0471143030.cb0207s32
发表时间: 2006
影响因子: --
作者:
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DOI: 10.1002/0471143030.cb2501s36
发表时间: 2007
影响因子: --
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期刊: NATURE PROTOCOLS
影响因子: 14.8
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