The toolbox of vesicle sidedness determination |
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Authors: | Peter Meszaros Dick Hoekstra Jan Willem Kok |
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Affiliation: | Department of Cell Biology, University Medical Center Groningen, University of Groningen, 9713 AV Groningen, The Netherlands. |
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Abstract: | Vesicles prepared from cellular plasma membranes are widely used in science for different purposes. The outer membrane leaflet differs from the inner membrane leaflet of the vesicle, and during vesicle preparation procedures two types of vesicles will be generated: right-side-out vesicles, of which the outer leaflet is topologically equivalent to the outer monolayer of the cellular plasma membrane, and inside-out vesicles. Because two populations of vesicles exist, sidedness information of the vesicle preparation is indispensable. This note focuses on the ins and outs of sidedness determination of vesicles and compares various methodologies used to establish this ratio. |
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