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Biochim Biophys Acta. 2000 Nov 23;1508(1-2):34-50.

Vesicle reconstitution from lipid-detergent mixed micelles.

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1
Equipe Physico-Chimie des Systèmes Polyphasés, CNRS UMR 8612, Université Paris-Sud, 5 rue Jean-Baptiste Clement, 92296, Ch atenay-Malabry, France. ollivon@cep.u-psud.fr

Abstract

The process of formation of lipid vesicles using the technique of detergent removal from mixed-micelles is examined. Recent studies on the solubilization and reconstitution of liposomes participated to our knowledge of the structure and properties of mixed lipid-detergent systems. The mechanisms involved in both the lipid self assembly and the micelle-vesicle transition are first reviewed. The simplistic three step minimum scheme is described and criticized in relation with isothermal as well as a function of the [det]/[lip] ratio, phase diagram explorations. The techniques of detergent elimination are reviewed and criticized for advantages and disadvantages. New methods inducing micelle-vesicle transition using enzymatic reaction and T-jump are also described and compared to more classical ones. Future developments of these techniques and improvements resulting of their combinations are also considered. Proper reconstitution of membrane constituents such as proteins and drugs into liposomes are examined in the light of our actual understanding of the micelle-vesicle transition.

PMID:
11090817
DOI:
10.1016/s0304-4157(00)00006-x
[Indexed for MEDLINE]
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