Subject:
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Radboudumc 11: Renal disorders RIMLS: Radboud Institute for Molecular Life Sciences Radboudumc 4: lnfectious Diseases and Global Health RIHS: Radboud Institute for Health Sciences Radboudumc 4: lnfectious Diseases and Global Health RIMLS: Radboud Institute for Molecular Life Sciences |
Organization:
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Medical Microbiology Pharmacology-Toxicology IMM - Institute for Molecules and Materials |
Abstract:
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Multidrug resistance-associated proteins (MRP) of Plasmodium falciparum have been associated with altered drug sensitivity. Knowledge on MRP substrate specificity is indispensible for the characterization of resistance mechanisms and identifying its physiological roles. An untargeted metabolomics approach detected decreased folate concentrations in red blood cells infected with schizont stage parasites lacking expression of MRP1. Furthermore, a tenfold decrease in sensitivity toward the folate analog methotrexate was detected for parasites lacking MRP1. PfMRP1 is involved in the export of folate from parasites into red blood cells and is therefore a relevant factor for efficient malaria treatment through the folate pathway.
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