Separation of hepatocyte plasma membrane domains by free flow electrophoresis

Evers, C. and Meier, P. J. and Biber, J. and Murer, H.. (1989) Separation of hepatocyte plasma membrane domains by free flow electrophoresis. Analytical biochemistry, Vol. 176, H. 2. pp. 338-343.

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Official URL: http://edoc.unibas.ch/dok/A5261787

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We have applied free flow electrophoresis to separate the canalicular and basolateral (sinusoidal and lateral) domains of rat hepatocyte plasma membranes. Hepatocyte plasma membranes were prepurified by rat zonal and discontinous sucrose gradient centrifugation. In electrophoretic separation, the canalicular membranes were more deflected toward the anode than the basolateral membranes. Na+-dependent taurocholate uptake could be measured in both membrane fractions, transport activity being highest in fractions containing the highest specific activity in the basolateral marker enzyme Na+-K+-ATPase. Thus, differences in electrophoretic mobility permit the separation of functional intact plasma membrane vesicles derived from basolateral and canalicular plasma membrane domains of rat hepatocyte.
Faculties and Departments:11 Rektorat und Verwaltung > Vizerektorat Forschung
UniBasel Contributors:Meier-Abt, Peter J.
Item Type:Article, refereed
Article Subtype:Research Article
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Mar 2012 14:24
Deposited On:22 Mar 2012 13:41

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