The importance of breast cancer resistance protein to the kidneys excretory function and chemotherapeutic resistance

Pedro Caetano-Pinto, Jitske Jansen, Yehuda G. Assaraf, Rosalinde Masereeuw*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

Abstract

The relevance of membrane transporters gained momentum in recent years and it is now widely recognized that transporters are key players in drug disposition and chemoresistance. As such, the kidneys harbor a variety of drug transporters and are one of the main routes for xenobiotic excretion. The breast cancer resistance protein (BCRP/ABCG2) is widely accepted as a key mediator of anticancer drug resistance and is a prominent renal drug transporter. Here, we review the role of BCRP in both processes and present a multitude of variables that can influence its activity. An increasing number of renally cleared chemotherapeutics, including tyrosine kinase inhibitors, described as BCRP substrates can modulate its activity via transcription factors and cellular signaling pathways, such as the phosphoinositide 3-kinase (PI3K) pathway. In addition to pharmacological actions, genetic variations, as well as differences between species and gender can affect BCRP function, which are also discussed. Furthermore, the role of BCRP in light of cancer treatments and the implications for novel therapeutic interventions that take into account renal function are discussed.

Original languageEnglish
Pages (from-to)15-27
Number of pages13
JournalDrug Resistance Updates
Volume30
DOIs
Publication statusPublished - Jan 2017

Keywords

  • BCRP
  • Chemoresistance
  • Drug transport
  • Renal excretion

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