Efflux Ratio Cannot Assess P-Glycoprotein-Mediated Attenuation of Absorptive Transport: Asymmetric Effect of P-Glycoprotein on Absorptive and Secretory Transport Across Caco-2 Cell Monolayers

Abstract

Purpose. The purpose of this work was to determine whether P-glycoprotein (P-gp) modulates absorptive and secretory transport equally across polarized epithelium (i.e., Caco-2 cell monolayers) for structurally diverse P-gp substrates, a requirement for the use of the efflux ratio to quantify P-gp-mediated attenuation of absorption across intestinal… (More)
DOI: 10.1023/A:1025049014674

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