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Combinatorial Chemistry & High Throughput Screening

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ISSN (Print): 1386-2073
ISSN (Online): 1875-5402

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Research Article

Antidepressant Drug Design on TCAs and Phenoxyphenylpropylamines Utilizing QSAR and Pharmacophore Modeling

Author(s): Amit Kumar, Sisir Nandi* and Anil Kumar Saxena*

Volume 25, Issue 3, 2022

Published on: 01 September, 2020

Page: [451 - 461] Pages: 11

DOI: 10.2174/1386207323666200901104222

Price: $65

Abstract

Background: Depression is a mental illness caused by the imbalance of important neurotransmitters such as serotonin (5-HT) and norepinephrine (NE). It is a serious neurological disorder that could be treated by antidepressant drugs.

Objective: There are two major classes, such as TCAs and phenoxyphenylpropylamines, which have been proven to be broad-spectrum antidepressant compounds. Several attempts were made to design, synthesize and discover potent antidepressant compounds having the least toxicity and most selectivity towards serotonin and norepinephrine transporters. However, there is hardly any drug design based on quantitative structure-activity relationship (QSAR) and pharmacophore modeling attempted yet.

Method: In the present study, many TCAs (dibenzoazepine) and phenoxyphenylpropylamine derivatives are taken into consideration for pharmacophore feature generation followed by pharmacophoric distant related descriptors based QSAR modeling. Furthermore, several five new congeners have been designed which are subjected to the prediction of biological activities in terms of serotonin receptor affinity utilizing validated QSAR models developed by us.

Results: An important pharmacophoric feature point C, followed by the generation of a topography of the TCAs and phenoxyphenylpropylamine, has been predicted. The developed pharmacophoric feature-based QSAR can explain 64.2% of the variances of 5-HT receptor antagonism. The best training model has been statistically validated by the prediction of test set compounds. This training model has been used for the prediction of some newly designed congeneric compounds which are comparable with the existed drugs.

Conclusion: The newly designed compounds may be proposed for further synthesis and biological screening as antidepressant agents.

Keywords: TCAs (dibenzoazepine), phenoxyphenylpropylamine, pharmacophore, QSAR, pharmacophoric distance-based topograph, antidepressant drug design

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