Design, Synthesis, and Cytoprotective Effect of 2-Aminothiazole Analogues as Potent Poly(ADP-Ribose) Polymerase-1 Inhibitors
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Abstract
A series of novel poly(ADP-ribose) polymerase-1 (PARP-1) inhibitors were designed within 2-aminothiazole analogues (4-10) based on a constructed three-dimensional pharmacophore model. After synthesis, the inhibitory effect on PARP-1 activity and the cytoprotective action of these compounds were tested and evaluated. Among them, compounds 4-6 and 10 appeared to be potent PARP-1 inhibitors with IC(50) values less than 1 microM, which had been perfectly predicted by pharmacophore model. These compounds proved to be highly potent against cell injury induced by H(2)O(2) and oxygen-glucose deprivation (OGD) in PC12 cells. These novel 2-aminothiazole analogues are potentially applicable as neuroprotective agents for the treatment of neurological diseases.
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