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Kumar Nandi N, Das S, Choudhary D, Saini S, Bhatia R, Chawla P, Kaur R, Kalra S, Rawat R, Eyupoglu V, Kumar B. Exploration of oxadiazole clubbed benzhydrylpiperazine pharmacophoric features as structural feature for antidepressant activity: In vitro, in vivo and in silico analysis. Bioorg Chem 2024; 144:107148. [PMID: 38306828 DOI: 10.1016/j.bioorg.2024.107148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 12/20/2023] [Accepted: 01/22/2024] [Indexed: 02/04/2024]
Abstract
Arylpiperazine clubbed various heterocyclic molecules present potential pharmacophoric structural features for the development of psychoactive drugs. There are various CNS active molecules possessing arylpiperazine moiety in their pharmacophore approved by USFDA. In the current study, we have explored the benzhydrylpiperazine moiety clubbed with various substituted oxadiazole moieties (AP1-12) for their monoamine oxidase (MAO) inhibition and antidepressant potential. Compounds AP3 and AP12 exhibited highly potent and selective MAO-A inhibition with IC50 values of 1.34 ± 0.93 µM and 1.13 ± 0.54 µM, respectively, and a selectivity index of 10- and 13-folds, respectively. Both the compounds displayed reversible binding character at the active site of MAO-A. In further in vivo evaluation, both the compounds AP3 and AP12 displayed potential antidepressant-like character in FST and TST studies via significantly reduced immobility time in comparison to non-treated animals. These compounds displayed no cytotoxicity in SH-SY5Y cell lines, which indicates that these compounds are safe for further evaluation. In silico studies reveal that synthesized compounds possess drug-likeness with minimal to no toxicity. In silico studies were conducted to understand the binding interactions and stability of compounds at the binding pocket of enzyme and observed that both the best compounds fit well at the active site of MAO-A lined by amino acid residues Tyr69, Asn181, Phe208, Ile335, Leu337, Phe352, and Tyr444 similar to standard MAO-A inhibitor clorgiline. The molecular dynamic studies demonstrated that AP3 and AP12 formed quite a stable complex at the active site of MAO-A and did not break under small abruption forces. The favourable binding interactions and appropriate ADMET properties present the benzhydrylpiperazine clubbed oxadiazole pharmacophoric features as a potential structural skeleton for further clinical evaluation and development of a new antidepressant drug molecule.
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Affiliation(s)
- Nilay Kumar Nandi
- Department of Pharmaceutical technology, Meerut institute of engineering and technology, Meerut, Uttar Pradesh 250005, India
| | - Shibam Das
- Department of Pharmaceutical Chemistry and Analysis, ISF College of Pharmacy, Ghal Kalan, Ferozpur G.T. Road, Moga 142001, Punjab, India; Department of Chemistry, University of Turin, Via Pietro Giuria, 7, 10125 Turin, Italy
| | - Diksha Choudhary
- Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, Punjab, India
| | - Suresh Saini
- Center for Nano and Material Science, Jain University (Deemed-to-be University), Jain Global Campus, Jakkasandra Post, Ramanagara 562112, India
| | - Rohit Bhatia
- Department of Pharmaceutical Chemistry and Analysis, ISF College of Pharmacy, Ghal Kalan, Ferozpur G.T. Road, Moga 142001, Punjab, India
| | - Pooja Chawla
- University Institute of Pharmaceutical Sciences and Research, Baba Farid University of Health Sciences, Faridkot, Punjab 151203, India
| | - Rajwinder Kaur
- Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, Punjab, India
| | - Sourav Kalra
- School of Pharmacy, Chitkara University, Baddi, Himachal Pradesh 174103, India
| | - Ravi Rawat
- School of Health Sciences & Technology, UPES University, Dehradun 248007, India.
| | - Volkan Eyupoglu
- Department of Chemistry, Cankırı Karatekin University, Cankırı 18100, Turkey
| | - Bhupinder Kumar
- Department of Pharmaceutical Sciences, HNB Garhwal University, Chauras Campus, Srinagar, Garhwal, Uttarakhand 246174, India; Department of Chemistry, Graphic Era (Deemed to be University), Dehradun 248002, Uttrakhand, India.
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Sahu B, Bhatia R, Kaur D, Choudhary D, Rawat R, Sharma S, Kumar B. Design, synthesis and biological evaluation of oxadiazole clubbed piperazine derivatives as potential antidepressant agents. Bioorg Chem 2023; 136:106544. [PMID: 37116324 DOI: 10.1016/j.bioorg.2023.106544] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 04/11/2023] [Accepted: 04/12/2023] [Indexed: 04/30/2023]
Abstract
Piperazine derivatives have been of great interest to medicinal chemists in the development of antidepressant drugs due to their distinct molecular and structural features along with their pharmacological profile. In this study, we have designed and synthesized a series of 10 compounds of piperazine clubbed oxadiazole derivatives (5a-j) and screened for their MAO inhibitory activity. Compound 5f and 5 g were found to be the most potent MAO-A inhibitors of the series with IC50 values of 0.96 ± 0.04 µM µM and 0.81 ± 0.03 µM, respectively with a selectivity index of 18-folds and 9-folds over MAO-B isoform. The compounds were found to be reversible inhibitors of MAO-A with no cytotoxicity against SH-SY5Y neuronal cells. The compounds also displayed good antioxidant activity. Further, in vivo TST studies revealed that both the compounds 5f and 5 g possessed good anti-depressant-like activity and reduced the immobility time significantly although were found inactive in FST studies. The molecular docking studies revealed that both compounds fit well at the active site of MAO-A enzyme as similar to clorgyline and form a stable complex. The results were confirmed via molecular dynamic studies which demonstrate the stable complex formation between MAO-A and 5f & 5 g. The appropriate drug-like characteristics with favourable ADMET profile, these molecules presented this piperazine clubbed oxadiazole structural framework as a key pharmacophore for the development of new antidepressant molecules along with strong candidature for further clinical investigations.
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Affiliation(s)
- Bhaskar Sahu
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Ghal Kalan, G.T Road, Moga, Punjab 142001, India
| | - Rohit Bhatia
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Ghal Kalan, G.T Road, Moga, Punjab 142001, India
| | - Dilpreet Kaur
- Department of Pharmacology, ISF College of Pharmacy, Ghal Kalan, G.T Road, Moga, Punjab 142001, India
| | - Diksha Choudhary
- Chitkara College of Pharmacy, Chitkara University, Rajpura, 140401 Punjab, India
| | - Ravi Rawat
- School of Health Sciences & Technology, UPES University, Dehradun 248007, India
| | - Shilpa Sharma
- Department of Biotechnology, Bennett University, Greater Noida 201310, India
| | - Bhupinder Kumar
- Department of Pharmaceutical Sciences, HNB Garhwal University, Chauras Campus, Srinagar, Garhwal, Uttarakhand 246174, India; Department of Chemistry, Graphic Era (Deemed to be University), Dehradun, Uttarakhand 248002, India.
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Design, Synthesis, Pharmacological and In Silico Screening of Disubstituted-Piperazine Derivatives as Selective and Reversible MAO-A Inhibitors for Treatment of Depression. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Kumar RR, Sahu B, Pathania S, Singh PK, Akhtar MJ, Kumar B. Piperazine, a Key Substructure for Antidepressants: Its Role in Developments and Structure-Activity Relationships. ChemMedChem 2021; 16:1878-1901. [PMID: 33751807 DOI: 10.1002/cmdc.202100045] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Indexed: 01/21/2023]
Abstract
Depression is the single largest contributor to global disability with a huge economic and social burden on the world. There are a number of antidepressant drugs on the market, but treatment-resistant depression and relapse of depression in a large number of patients have increased problems for clinicians. One peculiarity observed in most of the marketed antidepressants is the presence of a piperazine substructure. Although piperazine is also used in the optimization of other pharmacological agents, it is almost extensively used for the development of novel antidepressants. One common understanding is that this is due to its favorable CNS pharmacokinetic profile; however, in the case of antidepressants, piperazine plays a much bigger role and is involved in specific binding conformations of these agents. Therefore, in this review, a critical analysis of the significance of the piperazine moiety in the development of antidepressants has been performed. An overview of current developments in the designing and synthesis of piperazine-based antidepressants (2015 onwards) along with SAR studies is also provided. The various piperazine-based therapeutic agents in early- or late-phase human testing for depression are also discussed. The preclinical compounds discussed in this review will help researchers understand how piperazine actually influences the design and development of novel antidepressant compounds. The SAR studies discussed will provide crucial clues about the structural features and optimizations required to enhance the efficacy and potency of piperazine-based antidepressants.
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Affiliation(s)
- Ravi Ranjan Kumar
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Ghal Kalan, G.T Road, Moga, Punjab, 142001, India
| | - Bhaskar Sahu
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Ghal Kalan, G.T Road, Moga, Punjab, 142001, India
| | - Shelly Pathania
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Ghal Kalan, G.T Road, Moga, Punjab, 142001, India
| | - Pankaj Kumar Singh
- Integrative Physiology and Pharmacology, Institute of Biomedicine, Faculty of Medicine, University of Turku, 20520, Turku, Finland
| | - M Jawaid Akhtar
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Ghal Kalan, G.T Road, Moga, Punjab, 142001, India
| | - Bhupinder Kumar
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Ghal Kalan, G.T Road, Moga, Punjab, 142001, India
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Chauhan N, Pradhan S, Ghorai MK. Stereospecific Synthesis of Highly Substituted Piperazines via an One-Pot Three Component Ring-Opening Cyclization from N-Activated Aziridines, Anilines, and Propargyl Carbonates. J Org Chem 2018; 84:1757-1765. [DOI: 10.1021/acs.joc.8b02259] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Navya Chauhan
- Department of Chemistry, Indian Institute of Technology, Kanpur 208016, India
| | - Sajan Pradhan
- Department of Chemistry, Indian Institute of Technology, Kanpur 208016, India
| | - Manas K Ghorai
- Department of Chemistry, Indian Institute of Technology, Kanpur 208016, India
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