4.5 Article

A physicochemical descriptor based method for effective and rapid screening of dual inhibitors against BACE-1 and GSK-3β as targets for Alzheimer's disease

期刊

COMPUTATIONAL BIOLOGY AND CHEMISTRY
卷 71, 期 -, 页码 1-9

出版社

ELSEVIER SCI LTD
DOI: 10.1016/j.compbiolchem.2017.09.001

关键词

Alzheimer's disease; BACE-1; GSK-3 beta; Virtual screening; Physicochemical properties

资金

  1. Council of Scientific & Industrial Research (CSIR), India
  2. Indian Council of Medical Research (ICMR)

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Due to multifactorial nature of Alzheimer's disease one target-one ligand hypothesis often looks insufficient. BACE-1 and GSK-3 beta are well established therapeutic drug targets and interaction between BACE-1 and GSK-3 beta pathways has also been established. Thus, designing of dual inhibitor for these two targets seems rational and may provide effective therapeutic strategies against AD. Recent studies revealed that only two scaffolds i.e. triazinone and curcumin act as a dual inhibitor against BACE-1 and GSK-3 beta. Thus, this discovery set the path to screen new chemical entities from a vast chemical space (similar to 10(60) compounds) that inhibit both the targets. However, small part of the large chemical space will only show biological activity for specific targets. Virtual screening of large libraries is impractical and computational expensive especially in case of dual inhibitor design. In the case of dual or multi target inhibitor designing, we screened the database for each target that further increases time and resources. In this study we have done physicochemical descriptor based profiling to know the biological relevant chemical space for BACE-1 and GSK-3 beta inhibitors and proposed the suitable range of important physicochemical properties, occurrence of functional groups. We generated scaffolds tree of known inhibitors of BACE-1 and GSK-3 beta suggesting the common structure/fragment that can be used to design dual inhibitors. This approach can filter the potential dual inhibitor candidates of BACE-1 and GSK-3 beta from non inhibitors. (C) 2017 Elsevier Ltd. All rights reserved.

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