P-Glycoprotein in Proteoliposomes with Low Residual Detergent: The Effects of Cholesterol

  title={P-Glycoprotein in Proteoliposomes with Low Residual Detergent: The Effects of Cholesterol},
  author={Karsten Bucher and Sara Belli and Heidi Wunderli-Allenspach and Stefanie D. Kr{\"a}mer},
  journal={Pharmaceutical Research},
There is evidence that cholesterol affects the ATPase and transport functions of P-glycoprotein (P-gp). To study the influence of cholesterol on P-gp in a well defined lipid environment, we reconstituted P-gp in egg phosphatidylcholine (PhC) and PhC/cholesterol proteoliposomes with negligible residual amounts of detergents. P-gp proteoliposomes were prepared by continuous dialysis from micelles consisting of P-gp, lipids, sodium dodecyl sulfate and cholate. Basal and modulator-induced ATPase… CONTINUE READING
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