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Irfan I, Uddin A, Jain R, Gupta A, Gupta S, Napoleon JV, Hussain A, Alajmi MF, Joshi MC, Hasan P, Kumar P, Abid M, Singh S. Biological evaluation of novel side chain containing CQTrICh-analogs as antimalarials and their development as PfCDPK1 kinase inhibitors. Heliyon 2024; 10:e25077. [PMID: 38327451 PMCID: PMC10847618 DOI: 10.1016/j.heliyon.2024.e25077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 01/17/2024] [Accepted: 01/19/2024] [Indexed: 02/09/2024] Open
Abstract
The rapid emergence of resistance to existing frontline antimalarial drugs emphasizes a need for the development of target-oriented molecules with novel modes of action. Given the importance of a plant-like Calcium-Dependent Protein Kinase 1 (PfCDPK1) as a stand-alone multistage signalling regulator of P. falciparum, we designed and synthesized 7-chloroquinoline-indole-chalcones tethered with a triazole (CQTrICh-analogs 7 (a-s) and 9) directed towards PfCDPK1. This was accomplished by reacting substituted 1-phenyl-3-(1-(prop-2-yn-1-yl)-1H-indol-3-yl) prop-2-en-1-one and 1-(prop-2-yn-1-yl)-1H-indole-3-carbaldehyde with 4-azido-7-chloroquinoline, respectively via a 'click' reaction. The selected CQTrICh-analogs: 7l and 7r inhibited the growth of chloroquine-sensitive 3D7 strain and -resistant RKL-9 isolate of Plasmodium falciparum, with IC50 values of 2.4 μM & 1.8 μM (7l), and 3.5 μM & 2.7 μM (7r), respectively, and showed no apparent hemolytic activity and cytotoxicity in mammalian cells. Intra-erythrocytic progression studies revealed that the active hybrids: 7l and 7r are effective against the mature stages of the parasite. 7l and 7r were found to stably interact with the catalytically active ATP-binding pocket of PfCDPK1 via energetically favourable H-bonds. The interaction was confirmed in vitro by microscale thermophoresis and kinase assays, which demonstrated that the active hybrids interact with PfCDPK1 and inhibit its kinase activity which is presumably responsible for the parasite growth inhibition. Interestingly, 7l and 7r showed no inhibitory effect on the human kinases, indicating their selectivity for the parasite kinase. We report the antiplasmodial potential of novel kinase-targeting bio-conjugates, a step towards developing pan-kinase inhibitors which is a prerequisite for multistage anti-malarial protection.
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Affiliation(s)
- Iram Irfan
- Medicinal Chemistry Laboratory, Department of Biosciences, Jamia Millia Islamia, New Delhi, 110025, India
| | - Amad Uddin
- Medicinal Chemistry Laboratory, Department of Biosciences, Jamia Millia Islamia, New Delhi, 110025, India
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi 110067, India
| | - Ravi Jain
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi 110067, India
| | - Aashima Gupta
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi 110067, India
| | - Sonal Gupta
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi 110067, India
| | | | - Afzal Hussain
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Mohamed F. Alajmi
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Mukesh C. Joshi
- Department of Chemistry, Kirori Mal College, University of Delhi, Delhi 110007, India
| | - Phool Hasan
- Medicinal Chemistry Laboratory, Department of Biosciences, Jamia Millia Islamia, New Delhi, 110025, India
| | - Purnendu Kumar
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi 110067, India
| | - Mohammad Abid
- Medicinal Chemistry Laboratory, Department of Biosciences, Jamia Millia Islamia, New Delhi, 110025, India
| | - Shailja Singh
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi 110067, India
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Strzelecka M, Wiatrak B, Jawień P, Czyżnikowska Ż, Świątek P. New Schiff bases derived from dimethylpyridine-1,2,4-triazole hybrid as cytotoxic agents targeting gastrointestinal cancers: Design, synthesis, biological evaluation and molecular docking studies. Bioorg Chem 2023; 139:106758. [PMID: 37540951 DOI: 10.1016/j.bioorg.2023.106758] [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: 06/19/2023] [Revised: 07/13/2023] [Accepted: 07/29/2023] [Indexed: 08/06/2023]
Abstract
In this research, a series of novel hybrid structures of dimethylpyridine-1,2,4-triazole Schiff bases were designed, synthesized, and evaluated for their in vitro cytotoxic potency on several human gastrointestinal cancer cells (EPG, Caco-2, LoVo, LoVo/Dx, HT29) and normal colonic epithelial cells (CCD 841 CoN). Schiff base 4h was the most potent compound against gastric EPG cancer cells (CC50 = 12.10 ± 3.10 μM), being 9- and 21-fold more cytotoxic than 5-FU and cisplatin, respectively. Moreover, it was not toxic to normal cells. Regarding the cytotoxicity against colorectal cancer cells, compounds 4d and 4l exhibited good activity against HT29 cells (CC50 = 52.80 ± 2.80 μM and 61.40 ± 10.70 μM, respectively), and were comparable to or more potent than cisplatin and 5-FU. Also, they were less toxic to normal cells with a higher selectivity index (SI, CCD 841 CoN/HT29 = 4.20 and 2.85, respectively) than reference drugs (SI, CCD 841 CoN/HT29 < 1). Selected Schiff bases were subjected to the P-glycoprotein inhibition assay. Schiff bases 4d, 4e, and 4l influenced P-gp efflux function, significantly increasing the accumulation of rhodamine 123 in colon cancer cell lines. Further mechanistic studies showed that compound 4l induced apoptotic cell death through a caspase-dependent mechanism and by regulating the p53-MDM2 signaling pathway in HT29 cells. Also, physicochemical predictions of compounds 4d, 4e, 4h, and 4i were examined in silico. The results revealed that the compounds possessed promising drug-likeness profiles.
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Affiliation(s)
- Małgorzata Strzelecka
- Department of Medicinal Chemistry, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211, 50-556 Wroclaw, Poland.
| | - Benita Wiatrak
- Department of Pharmacology, Wroclaw Medical University, J. Mikulicza-Radeckiego 2, 50-345 Wroclaw, Poland
| | - Paulina Jawień
- Department of Biostructure and Animal Physiology, Wroclaw University of Environmental and Life Sciences, Norwida 25/27, 50-375 Wroclaw, Poland
| | - Żaneta Czyżnikowska
- Department of Basic Chemical Sciences, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211a, 50-556 Wroclaw, Poland
| | - Piotr Świątek
- Department of Medicinal Chemistry, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211, 50-556 Wroclaw, Poland.
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Kumar D, Kumar H, Kumar V, Deep A, Sharma A, Marwaha MG, Marwaha RK. Mechanism-based approaches of 1,3,4 thiadiazole scaffolds as potent enzyme inhibitors for cytotoxicity and antiviral activity. MEDICINE IN DRUG DISCOVERY 2023. [DOI: 10.1016/j.medidd.2022.100150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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Felicetti T, Pismataro MC, Cecchetti V, Tabarrini O, Massari S. Triazolopyrimidine Nuclei: Privileged Scaffolds for Developing Antiviral Agents with a Proper Pharmacokinetic Profile. Curr Med Chem 2021; 29:1379-1407. [PMID: 34042030 DOI: 10.2174/0929867328666210526120534] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 04/16/2021] [Accepted: 04/18/2021] [Indexed: 11/22/2022]
Abstract
Viruses are a continuing threat to global health. The lack or limited therapeutic armamentarium against some viral infections and increasing drug resistance issues make the search for new antiviral agents urgent. In recent years, a growing literature highlighted the use of triazolopyrimidine (TZP) heterocycles in the development of antiviral agents, with numerous compounds that showed potent antiviral activities against different RNA and DNA viruses. TZP core represents a privileged scaffold for achieving biologically active molecules, thanks to: i) the synthetic feasibility that allows to variously functionalize TZPs in the different positions of the nucleus, ii) the ability of TZP core to establish multiple interactions with the molecular target, and iii) its favorable pharmacokinetic properties. In the present review, after mentioning selected examples of TZP-based compounds with varied biological activities, we will focus on those antivirals that appeared in the literature in the last 10 years. Approaches used for their identification, the hit-to-lead studies, and the emerged structure-activity relationship will be described. A mention of the synthetic methodologies to prepare TZP nuclei will also be given. In addition, their mechanism of action, the binding mode within the biological target, and pharmacokinetic properties will be analyzed, highlighting the strengths and weaknesses of compounds based on the TZP scaffold, which is increasingly used in medicinal chemistry.
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Affiliation(s)
- Tommaso Felicetti
- Department of Pharmaceutical Sciences, University of Perugia, 06123 Perugia, Italy
| | | | - Violetta Cecchetti
- Department of Pharmaceutical Sciences, University of Perugia, 06123 Perugia, Italy
| | - Oriana Tabarrini
- Department of Pharmaceutical Sciences, University of Perugia, 06123 Perugia, Italy
| | - Serena Massari
- Department of Pharmaceutical Sciences, University of Perugia, 06123 Perugia, Italy
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Simurova NV, Maiboroda OI. Antiviral activity of 1,2,4-triazole derivatives (microreview). Chem Heterocycl Compd (N Y) 2021; 57:420-422. [PMID: 34007087 PMCID: PMC8118685 DOI: 10.1007/s10593-021-02919-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Accepted: 02/05/2021] [Indexed: 11/24/2022]
Abstract
The microreview summarizes data published since 2015 on the antiviral properties and synthesis of compounds containing the 1,2,4-triazole ring.
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Affiliation(s)
- Nataliia V Simurova
- National University of Food Technologies, 68 Volodymyrska St, Kyiv, 01601 Ukraine
| | - Olena I Maiboroda
- National University of Food Technologies, 68 Volodymyrska St, Kyiv, 01601 Ukraine
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Affiliation(s)
- S. A. El‐Sebaey
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy (Girls) Al-Azhar University Youssef Abbas street, Nasr City Cairo Egypt
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Kamal R, Kumar R, Kumar V, Bhardwaj JK, Saraf P, Kumar A, Pandit K, Kaur S, Chetti P, Beura S. Diacetoxy iodobenzene mediated regioselective synthesis and characterization of novel [1,2,4]triazolo[4,3-a]pyrimidines: apoptosis inducer, antiproliferative activities and molecular docking studies. J Biomol Struct Dyn 2020; 39:4398-4414. [PMID: 32552396 DOI: 10.1080/07391102.2020.1777900] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Prompt and regioselective synthesis of eleven novel [1,2,4]triazolo[4,3-a]pyrimidines 2a-2k, via intramolecular oxidative-cyclization of 2-(2-arylidenehydrazinyl)-4-methyl-6-phenylpyrimidine derivatives 1a-1k has been demonstrated here using diacetoxy iodobenzene (DIB) as inexpensive and ecofriendly hypervalent iodine(III) reagent in CH2Cl2 at room temperature. Regiochemistry of final product has been established by developing single crystal and studied X-ray crystallographic data for two derivatives 2c and 2h without any ambiguity. These prominent [1,2,4]triazolo[4,3-a]pyrimidines were evaluated for human osteosarcoma bone cancer (MG-63) and breast cancer (MCF-7) cell lines using MTT assay to find potent antiproliferative agent and also on testicular germ cells to find potent apoptotic inducing activities. All compounds show significant cytotoxicity, particularly 3-(2,4-dichlorophenyl)-5-methyl-7-phenyl-[1,2,4]triazolo[4,3-a]pyrimidine (2g) was found significant apoptotic inducing molecule, as well as the most potent cytotoxic agent against bone cancer (MG-63) and breast cancer (MCF-7) cell lines with GI50 value 148.96 µM and 114.3 µM respectively. Molecular docking studies has been carried out to see the molecular interactions of synthesized compounds with the protein thymidylate synthase (PBD ID: 2G8D).Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Raj Kamal
- Department of Chemistry, Kurukshetra University, Kurukshetra, Haryana, India
| | - Ravinder Kumar
- Department of Chemistry, Kurukshetra University, Kurukshetra, Haryana, India
| | - Vipan Kumar
- Department of Chemistry, Kurukshetra University, Kurukshetra, Haryana, India
| | | | - Priyanka Saraf
- Department of Zoology, Kurukshetra University, Kurukshetra, Haryana, India
| | - Ajay Kumar
- Department of Botanical & Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Kritika Pandit
- Department of Botanical & Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Satwinderjeet Kaur
- Department of Botanical & Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Prabhakar Chetti
- Department of Chemistry, National Institute of Technology (NIT), Kurukshetra, Haryana, India
| | - Satyajit Beura
- Department of Chemistry, National Institute of Technology (NIT), Kurukshetra, Haryana, India
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