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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Functional expression of a multidrug P-glycoprotein transporter of Leishmania.

P-glycoprotein ( Pgp) transporters play an important role in multidrug resistance in eukaryotic cells and in protozoan parasites such as Leishmania. To search for new reversal agents of the Leishmania tropica Pgp, we developed a screening assay using the Baculovirus-insect cell expression system. We demonstrated a MgATP-dependent, vanadate-sensitive transport of Hoechst 33342 in membrane preparations of Sf9 insect cells expressing Pgp. We have found that dihydro-beta-agarofuran sesquiterpenes from Maytenus cuzcoina inhibited Hoechst 33342 transport that correlates with their reversal effect in a multidrug-resistant L. tropica line overexpressing Pgp. The results suggest that Sf9 cell membrane Hoechst 33342 transport system represents an efficient tool for examining the interactions of Leishmania Pgp with pharmacological agents.[1]

References

  1. Functional expression of a multidrug P-glycoprotein transporter of Leishmania. Cortés-Selva, F., Muñoz-Martínez, F., Iliás, A., Jiménez, A.I., Váradi, A., Gamarro, F., Castanys, S. Biochem. Biophys. Res. Commun. (2005) [Pubmed]
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