Dietary flavonoids play an important role in the prevention of diseases related to oxidative stress in living systems. Although much attention has been focused on studying the protective functions of flavonoids, so far only limited biochemical research was done to tackle the fundamental issue of how flavonoids enter cells. Flavonoids have limited bioavailability, and consequently low plasma concentrations. Thus, in order to enter the intracellular compartment of cells in target tissues, flavonoids must exploit specific cell membrane transporter systems. This interaction between flavonoids and the proteins that mediate their transmembrane transport is of critical importance since it affects both the pharmacokinetic and pharmacodynamic properties of the flavonoids. Extensive knowledge of cell membrane transporters is therefore essential to fully understand the mechanisms of flavonoid-mediated protective activity in the cardiovascular, renal, hepatic, and central nervous systems, and also to elucidate flavonoid-drug interactions.

Bioavailability of flavonoids: The role of cell membrane transporters

Cvorovic J.;Fornasaro S.;Tramer F.;Passamonti S.
2018

Abstract

Dietary flavonoids play an important role in the prevention of diseases related to oxidative stress in living systems. Although much attention has been focused on studying the protective functions of flavonoids, so far only limited biochemical research was done to tackle the fundamental issue of how flavonoids enter cells. Flavonoids have limited bioavailability, and consequently low plasma concentrations. Thus, in order to enter the intracellular compartment of cells in target tissues, flavonoids must exploit specific cell membrane transporter systems. This interaction between flavonoids and the proteins that mediate their transmembrane transport is of critical importance since it affects both the pharmacokinetic and pharmacodynamic properties of the flavonoids. Extensive knowledge of cell membrane transporters is therefore essential to fully understand the mechanisms of flavonoid-mediated protective activity in the cardiovascular, renal, hepatic, and central nervous systems, and also to elucidate flavonoid-drug interactions.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11368/2990902
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