Chemical Name:6,7-Dichloro-1,5-dihydroimidazo[2,1-b]quinazolin-2(3H)-
one hydrochloride
Biological Activity:
Potent type III phosphodiesterase (PDE3)
inhibitor (IC50 = 36 nM). Inhibits platelet aggregation and produces
potent thrombocytopenic effects via inhibition of megakaryocyte maturation.
Gillespie (1988) Anagrelide: a potent and selective inhibitor of platelet cyclic
AMP phosphodiesterase enzyme activity. Biochem.Pharmacol. 37
2866. Mazuret al (1992) Analysis of the mechanism of
anagrelide-induced thrombocytopenia in humans. Blood 79 1931. Wang
et al (2005) Comparison of the biological activities of anagrelide
and its major metabolites in haematopoietic cell cultures. Br.J.Pharmacol. 146
324.
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