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Ligand-based Pharmacophore Model for Generation of Active Antidepressant- like Agents from Substituted 1,3,5 Triazine Class

[ Vol. 16 , Issue. 2 ]

Author(s):

Archana Gahtori* and Abhishek Singh   Pages 167 - 175 ( 9 )

Abstract:


Introduction: Although the transition of a lead candidate into a drug is currently structured by well-defined milestone, it is still most challenging and offers no guarantee in success to the end. In fact, ligand-based pharmacophore modeling has become a key motive force for retrieving potential leads across several therapeutic areas.

Methods: An urgent need towards the development of novel antidepressant agents led us to generate a pharmacophore model from an existing 44 compounds dataset. The best model with one hydrophobic, two ring aromatic, and one positive ionization features was chosen on behalf of the correlation coefficient, sensitivity, specificity, yield of actives and accuracy measures using HypoGen module of Discovery Studio. In house library consisting of 10,000 substituted 1,3,5 triazine derivatives were shortlisted to select four insilico hits. All shortlisted compounds were synthesized and characterized by FTIR, 1H-& 13C-NMR spectroscopy and finally tested for antidepressant-like activity using behavioral models on rats viz. Forced Swim Test (FST) and Elevated Plus Maze (EPM).

Results: Two shortlisted compounds with optimal fit values showed a significant decrease in the duration of immobility as compared to standard drug Imipramine in FST while time spent in open arm in enhanced in case of EPM.

Keywords:

Ligand-based, EPM, FST, HypoGen module, pharmacophore model, antidepressant-like agents.

Affiliation:

Shri Guru Ram Rai Institute of Technology & Science, SGRR University, Patel Nagar Dehradun - 248001, Uttarakhand, Shri Guru Ram Rai Institute of Technology & Science, SGRR University, Patel Nagar Dehradun - 248001, Uttarakhand

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