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CURRENT TOPICS IN MEDICINAL CHEMISTRY, vol.17, no.4, pp.412-417, 2017 (SCI-Expanded)
Background: Polyphenols are organic compounds widely found in plants and possess many diverse biological activities. In the current study, eleven polyphenolic compounds [ rutin (1), trans-ferulic acid (2), epigallaocatechin gallate (3), fumaric acid (4), chlorogenic acid (5), gallic acid (6), trans-resveratrol (7), propyl gallate (8), (+)-catechin (9), quercetin (10), and kaempferol-3-O-beta-D- galactoside (11)] have been evaluated for their in vitro inhibitory activity against phosphodiesterase- 1 (PDE-1). The active compounds 1, 5, 6, and 7 possessed IC50 values of 173.90 perpendicular to 2.58, 36.67 +/- 1.60, 325.19 +/- 3.62, and 323.81 +/- 4.25 mu M, respectively. In silico experiments were performed to elucidate the binding patterns of inhibitor molecules with the active sites of the enzymes. Result: Molecular docking studies have shown that compounds 1 and 5 have better docking results than standard inhibitor (EDTA) against the PDE-1. In conclusion, chlorogenic acid, rutin, gallic acid, and resveratrol could be promising PDE-1 inhibitors and leads to identify new drug candidates against PDE-1-associated disorders.