Fusion of Liposomes to Planar Bilayers

Fusion of Liposomes to Planar Bilayers
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脂质体与平面双层的融合

DOI:
10.1007/978-1-4757-1361-9_6
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发表时间:
1986
影响因子:
7.4
通讯作者:
F. S. Cohen
F. S. Cohen
中科院分区:
化学1区
文献类型:
--
作者:
F. S. Cohen

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在 20 世纪 70 年代末和 80 年代初,人们开发了将完整膜通道形成蛋白重组为平面膜的方法。现在有两种基本策略。第一种是将含有通道的囊泡融合到预先形成的磷脂平面膜上(Miller 和 Racker,1976;Cohen 等人,1980;Akabas 等人,1984)。囊泡可以是通过细胞分级分离(匀浆和离心)的常用方法获得的囊泡,通常被称为“天然”囊泡,或者它们可以是磷脂囊泡,其具有并入囊泡膜的纯化通道,称为“人工”囊泡。第二种策略是将膜通道合并到源自囊泡的单层中(Verger 和 Pattus,1976;Patus 等,1981;Schindler,1979),并从这些单层形成具有功能通道的双层(Schindler 和 Rosenbusch,1978;Schindler 和 Quast,1980;Nelson 等,1980;Vodyanoy)和墨菲,1982;科罗纳多和拉托雷,1983)。天然或人造囊泡均可用于形成单层。
During the late 1970s and early 1980s, methods to reconstitute integral membrane channel-forming proteins into planar membranes were developed. There are now two basic strategies. The first is to fuse vesicles that contain channels to preformed phospholipid planar membranes (Miller and Racker, 1976; Cohen et al., 1980; Akabas et al., 1984). The vesicles can be those obtained by the usual methods of cell fractionation—homogenization and centrifugation— and are often referred to as “native” vesicles, or they can be phospholipid vesicles that have had a purified channel incorporated into the vesicular membrane, known as “artificial” vesicles. The second strategy is to incorporate membrane channels into monolayers derived from vesicles (Verger and Pattus, 1976; Pattus et al., 1981; Schindler, 1979) and to form bilayers with functional channels from these monolayers (Schindler and Rosenbusch, 1978; Schindler and Quast, 1980; Nelson et al., 1980; Vodyanoy and Murphy, 1982; Coronado and Latorre, 1983). Either native or artificial vesicles can be used to form the monolayers.
DOI: 10.1073/pnas.82.1.240
发表时间: 1985
影响因子: 11.1
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