Cited by 423Drug Transport and Resistance MechanismsAntibiotic Resistance in BacteriaPharmacogenetics and Drug Metabolism

ABC transporters as mediators of drug resistance and contributors to cancer cell biology

Fletcher, Jamie I., Williams, Rebekka T., Henderson, Michelle J., Norris, Murray D., Haber, Michelle·2016·Drug Resistance Updates

Abstract

The extrusion of anticancer drugs by members of the ATP-binding cassette (ABC) transporter family is one of the most widely recognized mechanisms of multidrug resistance, and can be considered a hijacking of their normal roles in the transport of xenobiotics, metabolites and signaling molecules across cell membranes. While roles in cancer multidrug resistance have been clearly demonstrated for P-glycoprotein (P-gp), Breast Cancer Resistance Protein (BCRP) and Multidrug Resistance Protein 1 (MRP1), direct evidence for a role in multidrug resistance in vivo is lacking for other family members. A less well understood but emerging theme is the drug efflux-independent contributions of ABC transporters to cancer biology, supported by a growing body of evidence that their loss or inhibition impacts on the malignant potential of cancer cells in vitro and in vivo. As with multidrug resistance, these contributions likely represent a hijacking of normal ABC transporter functions in the efflux of endogenous metabolites and signaling molecules, however they may expand the clinical relevance of ABC transporters beyond P-gp, BCRP and MRP1. This review summarizes established and emerging roles for ABC transporters in cancer, with a focus on neuroblastoma and ovarian cancer, and considers approaches to validate and better understand these roles.

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Crossref · 10.1016/j.drup.2016.03.001

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  • Upregulation of MDR1 has been shown to convey drug resistance to many anti-cancer drugs including chemotherapy agents, kinase inhibitors, and other targeted agents.

    “Upregulation of the drug efflux pump encoded by ABCB1—MDR1 (multidrug resistance 1), a member of the superfamily of ATP-binding cassette (ABC) transporters—has been shown to convey drug resistance to many anti-cancer drugs including chemotherapy agents, kinase inhibitors, and other targeted agents (12).”

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Authors
Fletcher, J. I., Williams, R. T., Henderson, M. J., Norris, M. D., & Haber, M.
Affiliations
Children's Cancer Institute Australia (AU)
Corresponding author
Haber, Michelle
Venue
Drug Resistance Updates
Publisher
Elsevier BV
Published
2016-05
Volume
26
Pages
1-9
ISSN
1368-7646 (ISSN-L)
OpenAlex
W2308408790
Cited by
423
References
139
Citations by year
2026: 19 · 2025: 39 · 2024: 40 · 2023: 53 · 2022: 43 · 2021: 58 · 2020: 65 · 2019: 38 · 2018: 40 · 2017: 20 · 2016: 8
FWCI
3.55
Type
journal article
Language
en
Open access
closed
Locations
  • Drug Resistance Updates (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Cancer Australia
  • University of New South Wales
Topics
  • Health Sciences › Medicine › Oncology › Drug Transport and Resistance Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Medicine › Antibiotic Resistance in Bacteria
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmacology › Pharmacogenetics and Drug Metabolism
Keywords
ABC transporters, multidrug resistance, P-glycoprotein, ABCG2, MRP1, drug efflux, cancer cell biology, neuroblastoma, ovarian cancer, ABC transporter inhibition
MeSH terms
Animals, Antineoplastic Agents, Biological Transport, Female, Humans, Neuroblastoma, Ovarian Neoplasms, Drug Resistance, Multiple, ATP-Binding Cassette Transporters, Drug Resistance, Neoplasm

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