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3.6K Views
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08:49 min
March 14th, 2021
DOI :
10.3791/62177-v
Chapters
0:04
Introduction
0:59
Measurement of PS or PI(4)P Extraction
2:44
Real-time Measurement of PS Transport
4:54
Real-time Measurement of PI(4)P Transport
6:23
Results: Membrane-Exchange of Phosphatidylserine/ Phosphatidylinositol 4-Phosphate Using Fluorescent Sensors
7:58
Conclusion
Transcript
这种方法使用荧光来确定蛋白质是否在合成膜之间转移到生物学上重要的脂质,从而有助于这些脂质在真核细胞内的分布。这项技术使蛋白质能够提取和运输天然脂质,它需要荧光细胞和脂质体,很容易制造。这种方法可以使用和修改,通过器官和膜之间一些基本脂质分布背后的蛋白质来深入了解细胞生物学。
视觉演示对于解释如何通过荧光对脂质转移进行实时测量至关重要。因此,演示程序也将是莫德马格德琳,我的实验室工程师。首先准备新鲜的过滤和脱气的 HEPES 醋酸钾缓冲器,辅以一毫摩尔氯化镁,形成 HKM 缓冲器
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Summary
在这里,我们描述协议使用荧光脂质传感器和脂质体,以确定蛋白质提取物和运输磷酸二醇或磷二醇4磷酸盐 体外。
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