https://www.selleckchem.com/
ABCB1 (P-glycoprotein/MDR1) is a multidrug efflux transporter that has previously been involved in cholesterol and vitamin D metabolism. Our aim was to explore whether ABCB1 is also involved in vitamin K efflux. Vitamin K apical efflux was significantly decreased in presence of ABCB1 inhibitor in Caco-2 cells (-20.4%; p less then 0.05) and increased in Griptite cells overexpressing ABCB1 (+40.7%; p less then 0.05). In vivo, the vitamin K postprandial response was higher in male Abcb1-/- mice after gavage compared to control animals (+115%; p less then 0.05)