Rapid Isolation of Functional Synaptic Vesicles from Tissues Through Cryogrinding, Ultracentrifugation, and Size Exclusion Chromatography.

Rapid Isolation of Functional Synaptic Vesicles from Tissues Through Cryogrinding, Ultracentrifugation, and Size Exclusion Chromatography.
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通过冷冻研磨、超速离心和尺寸排阻色谱从组织中快速分离功能性突触小泡。

DOI:
10.1007/978-1-0716-1916-2_10
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发表时间:
2022
期刊:
Methods in molecular biology (Clifton, N.J.)
影响因子:
--
通讯作者:
Li,Huinan
Li,Huinan
中科院分区:
--
文献类型:
--
作者:
Li,Huinan

文献摘要

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许多生物化学和生物物理学相关的问题需要功能性突触囊泡的分离。分离的突触囊泡可用于运输动力学研究,突触囊泡内容物分析和免疫标记的特定突触囊泡蛋白质等,在这里我描述了一个快速可靠的分离程序,让研究人员分离大量的,以及生理功能的突触囊泡,按照随后的顺序cryogrinding,梯度超离心,和尺寸排阻液相色谱法。这个过程富集了超过90%的突触囊泡群体,高尔基体或内质网囊泡的污染较低。
Many biochemical and biophysical related questions require the isolation of functional synaptic vesicles. Isolated synaptic vesicles can be used for transporter kinetics studies, synaptic vesicle content analysis and immuno-labeling of specific synaptic vesicle proteins, etc. Here I describe a fast and reliable isolation procedure to allow researchers to isolate a large amount, as well as physiologically functional synaptic vesicles, by following the subsequent order of cryogrinding, gradient ultracentrifugation, and size exclusion liquid chromatography. This process enriches over 90% of the synaptic vesicle population, with low contamination of Golgi or endoplasmic reticulum vesicles.