Fabrication of Asymmetric Phosphatidylserine-Containing Lipid Vesicles : A Study on the Effects of Size, Temperature, and Lipid Composition

The asymmetric distribution of lipids in plasma membranes is closely related to the physiological functions of cells. To improve our previous approach in fabricating asymmetric vesicles, we defined a parameter, asymmetric degree, in this work and investigated the effects of vesicle size, incubation...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 36(2020), 42 vom: 27. Okt., Seite 12684-12691
1. Verfasser: Guo, Hao-Yue (VerfasserIn)
Weitere Verfasser: Sun, Hai-Yuan, Deng, Geng, Xu, Jing, Wu, Fu-Gen, Yu, Zhi-Wu
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't
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520 |a The asymmetric distribution of lipids in plasma membranes is closely related to the physiological functions of cells. To improve our previous approach in fabricating asymmetric vesicles, we defined a parameter, asymmetric degree, in this work and investigated the effects of vesicle size, incubation temperature, and lipid composition on the formation process of asymmetric phosphatidylserine (PS)-containing lipid vesicles. The results indicate that all of the three factors have marked but different effects on the time-dependent asymmetric degree of the vesicles as well as the flip and flop rate constants of the PS lipids. However, only vesicle size and PS content show significant influence on the maximal asymmetric degree of the vesicles, while the incubation temperature exhibits negligible effect. This work not only deepens our understanding on the packing property of PS molecules in self-assembled membranes and the formation mechanism of asymmetric vesicles but also practically provides a solution to regulate the asymmetric degree of the PS-containing vesicles using the established kinetic equation. In addition, the method would facilitate researches related to asymmetric vesicles or reconstruction of biological membranes 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
700 1 |a Sun, Hai-Yuan  |e verfasserin  |4 aut 
700 1 |a Deng, Geng  |e verfasserin  |4 aut 
700 1 |a Xu, Jing  |e verfasserin  |4 aut 
700 1 |a Wu, Fu-Gen  |e verfasserin  |4 aut 
700 1 |a Yu, Zhi-Wu  |e verfasserin  |4 aut 
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