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How to make P-glycoprotein (ABCB1, MDR1) harbor mutations and measure its expression and activity in cell cultures?

Several polymorphisms have been identified in ABCB1, the gene encoding for the P-glycoprotein. This transporter alters the pharmacokinetics or effectiveness of drugs by excreting them from cells where it is expressed (e.g., blood-brain barrier, intestine or tumors). No consensus has been reached reg...

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Bibliographic Details
Published in:Pharmacogenomics 2018-11, Vol.19 (16), p.1285-1297
Main Authors: Zubiaur, Pablo, Saiz-Rodríguez, Miriam, Koller, Dora, Ovejero-Benito, María Carmen, Wojnicz, Aneta, Abad-Santos, Francisco
Format: Article
Language:English
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Summary:Several polymorphisms have been identified in ABCB1, the gene encoding for the P-glycoprotein. This transporter alters the pharmacokinetics or effectiveness of drugs by excreting them from cells where it is expressed (e.g., blood-brain barrier, intestine or tumors). No consensus has been reached regarding the functional consequences of these polymorphisms in the transporter's function. The aim of this review was to describe a methodology that allows the assessment of P-gp function when harboring polymorphisms. We describe how to obtain cell lines with high expression levels of the transporter with polymorphisms and several tactics to measure its expression and activity. This methodology may help elucidate the contribution of polymorphisms in ABCB1 to drug pharmacokinetics, effectiveness and safety or to cancer chemotherapy failure.
ISSN:1462-2416
1744-8042
DOI:10.2217/pgs-2018-0101