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Discovery of Dual Binding Site Acetylcholinesterase Inhibitors Identified by Pharmacophore Modeling and Sequential Virtual Screening Techniques by Shikhar Gupta; Adyary Fallarero; Päivi Järvinen; Daniela Karlsson; Mark S. Johnson; Pia M. Vuorela; C. Gopi Mohan is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.
What is Discovery of Dual Binding Site Acetylcholinesterase Inhibitors Identified by Pharmacophore Modeling and Sequential Virtual Screening Techniques about?
Dual binding site acetylcholinesterase (AChE) inhibitors are promising for the treatment of Alzheimer's disease (AD). They alleviate the cognitive deficits and AD-modifying agents, by inhibiting the β-amyloid (Aβ) peptide aggregation, through binding to both the catalytic and peripheral anionic sites, the so called dual binding site of the AChE enzyme. In this Letter, chemical features based 3D-pharmacophore models were developed based on the eight potent and structurally diverse AChE inhibitors (I-VIII) obtained from high-throughput in vitro screening technique. The best 3D-pharmacophore model, Hypo1, consists of two hydrogen-bond acceptor lipid, one hydrophobe, and two hydrophobic aliphatic features obtained by Catalyst/HIPHOP algorithm adopted in Discovery studio program. Hypo1 was used as a 3D query in sequential virtual screening study to filter three small compound databases. Further, a total of nine compounds were selected and followed on in vitro analysis. Finally, we identified two leads--Specs1 (IC(50)=3.279 μM) and Spec2 (IC(50)=5.986 μM) dual binding site compounds from Specs database, having good AChE enzyme inhibitory activity.
Who reads Discovery of Dual Binding Site Acetylcholinesterase Inhibitors Identified by Pharmacophore Modeling and Sequential Virtual Screening Techniques?
It is typically read by researchers, students, and practitioners in Biochemistry, Genetics and Molecular Biology.
- Author
- Shikhar Gupta; Adyary Fallarero; Päivi Järvinen; Daniela Karlsson; Mark S. Johnson; Pia M. Vuorela; C. Gopi Mohan
- Publisher
- Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0960-894X)
- Published
- 2011
- Language
- EN
- Field
- Biochemistry, Genetics and Molecular Biology (Life Sciences)