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Cited by 256

The DOI matches its Crossref record; 46 of the 46 references it cites were found in a registry or an index.

ATP‐ and glutathione‐dependent transport of chemotherapeutic drugs by the multidrug resistance protein MRP1

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Renes, Johan, De Vries, Elisabeth G E, Nienhuis, Edith F, Jansen, Peter L M, Müller, Michael·1999·British Journal of Pharmacology

Abstract

The present study was performed to investigate the ability of the multidrug resistance protein (MRP1) to transport different cationic substrates in comparison with MDR1‐P‐glycoprotein (MDR1). Transport studies were performed with isolated membrane vesicles from in vitro selected multidrug resistant cell lines overexpressing MDR1 (A2780AD) or MRP1 (GLC 4/Adr) and a MRP1‐transfected cell line (S1(MRP)). As substrates we used 3 H‐labelled derivatives of the hydrophilic monoquaternary cation N‐(4′,4′‐azo‐n‐pentyl)‐21‐deoxy‐ajmalinium (APDA), the basic drug vincristine and the more hydrophobic basic drug daunorubicin. All three are known MDR1‐substrates. MRP1 did not mediate transport of these substrates per se. In the presence of reduced glutathione (GSH), there was an ATP‐dependent uptake of vincristine and daunorubicin, but not of APDA, into GLC 4/Adr and S1(MRP) membrane vesicles which could be inhibited by the MRP1‐inhibitor MK571. ATP‐ and GSH‐dependent transport of daunorubicin and vincristine into GLC 4/Adr membrane vesicles was inhibited by the MRP1‐specific monoclonal antibody QCRL‐3. MRP1‐mediated daunorubicin transport rates were dependent on the concentration of GSH and were maximal at concentrations 10 m M. The apparent KM value for GSH was 2.7 m M. Transport of daunorubicin in the presence of 10 m M GSH was inhibited by MK571 with an IC 50 of 0.4 μ M. In conclusion, these results demonstrate that MRP1 transports vincristine and daunorubicin in an ATP‐ and GSH‐dependent manner. APDA is not a substrate for MRP1. British Journal of Pharmacology (1999) 126, 681–688; doi:10.1038/sj.bjp.0702360

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Metadata

Authors
Renes, J., De Vries, E. G. E., Nienhuis, E. F., Jansen, P. L. M., & Müller, M.
Venue
British Journal of Pharmacology
Publisher
Wiley
Published
1999-02
Volume
126
Issue
3
Pages
681-688
ISSN
  • 0007-1188 (ISSN-L)
  • 1476-5381
OpenAlex
W2110319213
Cited by
256
References
46
FWCI
9.65
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: ATP‐ and glutathione‐dependent transport of chemotherapeutic drugs by the multidrug resistance protein MRP1. https://app.cochat.ai/papers/10.1038/sj.bjp.0702360
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Renes, J., De Vries, E. G. E., Nienhuis, E. F., Jansen, P. L. M., & Müller, M. (1999). ATP‐ and glutathione‐dependent transport of chemotherapeutic drugs by the multidrug resistance protein MRP1. British Journal of Pharmacology. https://doi.org/10.1038/sj.bjp.0702360

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