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Influence of multidrug resistance and drug transport proteins on chemotherapy drug metabolism.

AbstractINTRODUCTION:
Chemotherapy involving the use of anticancer drugs remains an important strategy in the overall management of patients with metastatic cancer. Acquisition of multidrug resistance remains a major impediment to successful chemotherapy. Drug transporters in cell membranes and intracellular drug metabolizing enzymes contribute to the resistance phenotype and determine the pharmacokinetics of anticancer drugs in the body.
AREAS COVERED:
ATP-binding cassette (ABC) transporters mediate the transport of endogenous metabolites and xenobiotics including cytotoxic drugs out of cells. Solute carrier (SLC) transporters mediate the influx of cytotoxic drugs into cells. This review focuses on the substrate interaction of these transporters, on their biology and what role they play together with drug metabolizing enzymes in eliminating therapeutic drugs from cells.
EXPERT OPINION:
The majority of anticancer drugs are substrates for the ABC transporter and SLC transporter families. Together, these proteins have the ability to control the influx and the efflux of structurally unrelated chemotherapeutic drugs, thereby modulating the intracellular drug concentration. These interactions have important clinical implications for chemotherapy because ultimately they determine therapeutic efficacy, disease progression/relapse and the success or failure of patient treatment.
AuthorsHelena Joyce, Andrew McCann, Martin Clynes, Annemarie Larkin
JournalExpert opinion on drug metabolism & toxicology (Expert Opin Drug Metab Toxicol) Vol. 11 Issue 5 Pg. 795-809 (May 2015) ISSN: 1744-7607 [Electronic] England
PMID25836015 (Publication Type: Journal Article, Review)
Chemical References
  • ATP-Binding Cassette Transporters
  • Antineoplastic Agents
  • Membrane Transport Proteins
Topics
  • ATP-Binding Cassette Transporters (metabolism)
  • Animals
  • Antineoplastic Agents (pharmacokinetics)
  • Biological Transport
  • Disease Progression
  • Drug Resistance, Multiple
  • Drug Resistance, Neoplasm
  • Humans
  • Membrane Transport Proteins (metabolism)
  • Neoplasm Metastasis
  • Neoplasms (drug therapy, pathology)
  • Recurrence

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