KF24345, an adenosine uptake inhibitor, suppresses lipopolysaccharide-induced tumor necrosis factor-alpha production and leukopenia via endogenous adenosine in mice.


3-[1-(6,7-Diethoxy-2-morpholinoquinazolin-4-yl)piperidin-4-yl]-1,6-dimethyl-2,4(1H,3H)-quinazolinedione hydrochloride (KF24345) is a novel potent adenosine uptake inhibitor. KF24345 inhibited [(3)H]adenosine uptake into erythrocytes from human, mouse, rabbit, and hamster with IC(50) values of 59.5, 130.1, 104.2, and 30.9 nM, respectively. In mice, oral… (More)


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