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Sureshan M, Prabhu D, Rajamanikandan S, Saraboji K. Discovery of potent inhibitors targeting Glutathione S-transferase of Wuchereria bancrofti: a step toward the development of effective anti-filariasis drugs. Mol Divers 2024; 28:765-785. [PMID: 36797509 DOI: 10.1007/s11030-023-10617-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 01/30/2023] [Indexed: 02/18/2023]
Abstract
Lymphatic filariasis (LF) is one of the major health problems for the human kind in developing countries including India. LF is caused by three major nematodes namely Wuchereria bancrofti, Brugia malayi, and Brugia timori. The recent statistics of World Health Organization (WHO) showed that 51 million people were affected and 863 million people from 47 countries around worldwide remain threatened by LF. Among them, 90% of the filarial infection was caused by the nematode W. bancrofti. Approved drugs were available for the treatment of LF but many of them developed drug resistance and no longer effective in all stages of the infection. In the current research work, we explored the Glutathione S-transferase (GST) of W. bancrofti, the key enzyme responsible for detoxification that catalyzes the conjugation of reduced GSH (glutathione) to xenobiotic compounds. Initially, we analyzed the stability of the WbGST through 200 ns MD simulation and further structure-based virtual screening approach was applied by targeting the substrate binding site to identify the potential leads from small molecule collection. The in silico ADMET profiles for the top-ranked hits were predicted and the predicted non-toxic lead molecules showed the highest docking score in the range of - 12.72 kcal/mol to - 11.97 kcal/mol. The cross docking of the identified hits with human GST revealed the potential binding specificity of the hits toward WbGST. Through WbGST-lead complex simulation, the lead molecules were observed to be stable and also intactly bound within the binding site of WbGST. Based on the computational results, the five predicted non-toxic molecules were selected for the in vitro assay. The molecules showed significant percentage of inhibition against the filarial worm Setaria digitata which is the commonly used model organism to evaluate the filarial activity. In addition, the molecules also showed better IC50 than the standard drug ivermectin. The identified lead molecules will lay a significant insight for the development of new drugs with higher specificity and lesser toxicity to control and treat filarial infections.
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Affiliation(s)
- Muthusamy Sureshan
- Department of Bioinformatics, Biomolecular Crystallography Lab, School of Chemical & Biotechnology, SASTRA Deemed University, Thanjavur, 613401, India
| | - Dhamodharan Prabhu
- Research and Development Wing, Sree Balaji Medical College and Hospital, Bharath Institute of Higher Education and Research, Chennai, 600 044, India
| | - Sundarraj Rajamanikandan
- Department of Biochemistry, Centre for Drug Discovery, Karpagam Academy of Higher Education, Coimbatore, 641021, India
| | - Kadhirvel Saraboji
- Department of Computational Sciences, Central University of Punjab, Bathinda, 151401, Punjab, India.
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Katiyar S, Ramalingam K, Kumar A, Ansari A, Bisen AC, Mishra G, Sanap SN, Bhatta RS, Purkait B, Goyal N, Sashidhara KV. Design, synthesis, and biological evaluation of quinoline-piperazine/pyrrolidine derivatives as possible antileishmanial agents. Eur J Med Chem 2023; 261:115863. [PMID: 37837672 DOI: 10.1016/j.ejmech.2023.115863] [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: 08/30/2023] [Revised: 09/27/2023] [Accepted: 10/06/2023] [Indexed: 10/16/2023]
Abstract
In pursuance of our efforts to expand the scope of novel antileishmanial entities, a series of thirty-five quinoline-piperazine/pyrrolidine, and other heterocyclic amine derivatives were synthesized via a molecular hybridization approach and examined against intracellular amastigotes of luciferase-expressing Leishmania donovani. The preliminary in vitro screening suggests that twelve compounds in the series exhibited better inhibition against amastigote form with good IC50 values ranging from 2.09 to 8.89 μM and lesser cytotoxicity in contrast to the standard drug miltefosine (IC50 9.25 ± 0.17 μM). Based on the satisfactory selectivity index (SI), two compounds were tested for in vivo leishmanicidal efficacy against Leishmania donovani/golden hamster model. Compounds 33 and 46 have shown significant inhibition of 56.32%, and 49.29%, respectively, in vivo screening at a daily dose of 50 mg/kg for 5 days. The pharmacokinetic results confirmed that 33 and 46 have satisfactory IP exposure with adequate parameters. Collectively, Compound 33 was identified as the most significant potential lead that could be employed as a prototype for future optimizations.
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Affiliation(s)
- Sarita Katiyar
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Jankipuram Extension, Sitapur Road, Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, U.P., India
| | - Karthik Ramalingam
- Division of Biochemistry and Structural Biology, CSIR-Central Drug Research Institute, BS-10/1, Sector 10, Jankipuram Extension, Sitapur Road, Lucknow, 226031, India
| | - Abhishek Kumar
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Jankipuram Extension, Sitapur Road, Lucknow, 226031, India
| | - Alisha Ansari
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Jankipuram Extension, Sitapur Road, Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, U.P., India
| | - Amol Chhatrapati Bisen
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, U.P., India
| | - Garvita Mishra
- Molecular Microbiology & Immunology, CSIR-Central Drug Research Institute, Lucknow, 226031, India
| | - Sachin Nashik Sanap
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, U.P., India
| | - Rabi Sankar Bhatta
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Lucknow, 226031, India
| | - Bidyut Purkait
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, U.P., India; Molecular Microbiology & Immunology, CSIR-Central Drug Research Institute, Lucknow, 226031, India
| | - Neena Goyal
- Division of Biochemistry and Structural Biology, CSIR-Central Drug Research Institute, BS-10/1, Sector 10, Jankipuram Extension, Sitapur Road, Lucknow, 226031, India.
| | - Koneni V Sashidhara
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Jankipuram Extension, Sitapur Road, Lucknow, 226031, India; Sophisticated Analytical Instrument Facility & Research, CSIR-Central Drug Research Institute, Jankipuram Extension, Sitapur Road, Lucknow, 226031, U.P., India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, U.P., India.
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Sureshan M, Prabhu D, Kadhirvel S. Computational identification and experimental validation of anti-filarial lead molecules targeting metal binding/substrate channel residues of Cu/Zn SOD1 from Wuchereria bancrofti. J Biomol Struct Dyn 2023; 41:8715-8728. [PMID: 36305196 DOI: 10.1080/07391102.2022.2136245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 10/10/2022] [Indexed: 10/31/2022]
Abstract
Lymphatic filariasis (LF) is a neglected mosquito-borne parasitic disease, widely caused by Wuchereria bancrofti (Wb) in tropical and sub-tropical countries. During a blood meal, the filarial nematodes are transmitted to humans by the infected mosquito. To counter attack the invaded nematodes, the human immune system produces reactive oxygen species. However, the anti-oxidant enzymes of nematodes counteract the host oxidative cytotoxicity. Cu/Zn Superoxide dismutase (SOD1), a member of antioxidant enzymes and are widely used by the nematodes to sustain the host oxidative stress across its lifecycle, hence targeting SOD1 to develop suitable drug molecules would help to overcome the problems related to efficacy and activity of drugs upon different stages of nematodes. In order to find the potent inhibitors, a three-dimensional structure of Cu/Zn WbSOD1 was modelled and the structural stability was analysed through simulation studies. The structure-guided virtual screening approach has been used to identify lead molecules from the ChemBridge based on the docking score, ADMET properties and protein-ligand complex stability analysis. The identified compounds were observed to interact with the copper, metal binding residues (His48, His63, His80 and His120) and catalytically important residue Arg146, which play a crucial role in the disproportionation of incoming superoxide radicals of Cu/Zn WbSOD1. Further, in vitro validation of the selected leads in the filarial worm Setaria digitata exhibited higher inhibition and better IC50 compared to the standard drug ivermectin. Thus, the identified leads could potentially inhibit enzyme activity, which could subsequently act as drug candidates to control LF.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Muthusamy Sureshan
- Biomolecular Crystallography Lab, Department of Bioinformatics, School of Chemical & Biotechnology, SASTRA Deemed University, Thanjavur, India
| | - Dhamodharan Prabhu
- Research and Development Wing, Sree Balaji Medical College and Hospital, Bharath Institute of Higher Education and Research (BIHER), Chennai, Tamil Nadu, India
| | - Saraboji Kadhirvel
- Biomolecular Crystallography Lab, Department of Bioinformatics, School of Chemical & Biotechnology, SASTRA Deemed University, Thanjavur, India
- Department of Computational Sciences, Central University of Punjab, Bathinda, Punjab, India
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Matsa R, Makam P, Anilakumari R, Sundharesan M, Mathew N, Kannan T. Design, synthesis, and in vitro evaluation of thiosemicarbazone derivatives as anti-filarial agents. Exp Parasitol 2022; 241:108363. [PMID: 36007586 DOI: 10.1016/j.exppara.2022.108363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 09/18/2021] [Accepted: 08/17/2022] [Indexed: 11/04/2022]
Abstract
Effective macrofilaricidal drugs are not commercially available, and in an endeavour to find out new macrofilaricidal agents, in this research work, thiosemicarbazone derivatives have been prepared and tested against adult Setaria digitata, a cattle filarial parasite, as a model nematode for the filarial parasite, Wuchereria bancrofti. Lipinski and Veber rules have been used to design these molecules and found out that all the designed molecules show drug-like molecular properties. The in vitro anti-filarial potential of thiosemicarbazones against S. digitata was carried out using worm motility and 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyl tetrazolium bromide (MTT) reduction colorimetric assays at 100 μg/ml concentration for the incubation period of 24 h. The standard drugs used at present for filaria, Albendazole, Ivermectin and Diethylcarbamazine were not able to kill the adult filarial worms effectively. In contrast, phenyl thiosemicarbazones with trifluoromethyl substitution at 3rd and 4th positions, 2-pyrrolyl, and isatinyl made the adult worms immotile and also showed 69%-83% inhibition in formazan formation an indicator of non viability.
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Affiliation(s)
- Ramkishore Matsa
- Department of Chemistry, Pondicherry University, Kalapet, Puducherry, 605 014, India
| | - Parameshwar Makam
- Chemical Science Research Group, Division of Research and Development, Lovely Professional University, Phagwara, 144411, India
| | - R Anilakumari
- ICMR - Vector Control Research Centre, Indira Nagar, Puducherry, 605006, India
| | - M Sundharesan
- ICMR - Vector Control Research Centre, Indira Nagar, Puducherry, 605006, India
| | - Nisha Mathew
- ICMR - Vector Control Research Centre, Indira Nagar, Puducherry, 605006, India.
| | - Tharanikkarasu Kannan
- Department of Chemistry, Pondicherry University, Kalapet, Puducherry, 605 014, India.
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Khanikar S, Kaping S, Helissey P, Joshi P, Shaham SH, Mishra S, Srivastava M, Tripathi R, Vishwakarma JN. Efficient synthesis, structure elucidation, and anti-parasitic activities of novel quinolinyl β–enaminones. MONATSHEFTE FUR CHEMIE 2021. [DOI: 10.1007/s00706-021-02776-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Boniface PK, Elizabeth FI. An Insight into the Discovery of Potent Antifilarial Leads Against Lymphatic Filariasis. Curr Drug Targets 2019; 21:657-680. [PMID: 31800381 DOI: 10.2174/1389450120666191204152415] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2019] [Revised: 11/08/2019] [Accepted: 11/28/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND AND OBJECTIVES Lymphatic filariasis is a neglected tropical disease caused by infection with filarial worms that are transmitted through mosquito bites. Globally, 120 million people are infected, with nearly 40 million people disfigured and disabled by complications such as severe swelling of the legs (elephantiasis) or scrotum (hydrocele). Current treatments (ivermectin, diethylcarbamazine) have limited effects on adult parasites and produce side effects; therefore, there is an urgent to search for new antifilarial agents. Numerous studies on the antifilarial activity of pure molecules have been reported accross the recent literature. The present study describes the current standings of potent antifilarial compounds against lymphatic filariasis. METHODS A literature search was conducted for naturally occurring and synthetic antifilarial compounds by referencing textbooks and scientific databases (SciFinder, PubMed, Science Direct, Wiley, ACS, SciELO, Google Scholar, and Springer, among others) from their inception until September 2019. RESULTS Numerous compounds have been reported to exhibit antifilarial acitivity in adult and microfilariae forms of the parasites responsible for lymphatic filariasis. In silico studies of active antifilarial compounds (ligands) showed molecular interactions over the protein targets (trehalose-6-phosphate phosphatase, thymidylate synthase, among others) of lymphatic filariasis, and supported the in vitro results. CONCLUSION With reference to in vitro antifilarial studies, there is evidence that natural and synthetic products can serve as basic scaffolds for the development of antifilarial agents. The optimization of the most potent antifilarial compounds can be further performed, followed by their in vivo studies.
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Affiliation(s)
- Pone Kamdem Boniface
- Department of Pharmacy, Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - Ferreira Igne Elizabeth
- Department of Pharmacy, Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
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7
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Ambreen, Haque S, Singh V, Katiyar D, Ali Khan MT, Tripathi V, El Enshasy H, Pasupuleti M, Mishra BN. Biotransformation of newly synthesized coumarin derivatives by Candida albicans as potential antibacterial, antioxidant and cytotoxic agents. Process Biochem 2019. [DOI: 10.1016/j.procbio.2019.08.024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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8
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Georgiadis MO, Kourbeli V, Ioannidou V, Karakitsios E, Papanastasiou I, Tsotinis A, Komiotis D, Vocat A, Cole ST, Taylor MC, Kelly JM. Synthesis of diphenoxyadamantane alkylamines with pharmacological interest. Bioorg Med Chem Lett 2019; 29:1278-1281. [PMID: 30981579 DOI: 10.1016/j.bmcl.2019.04.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Revised: 04/02/2019] [Accepted: 04/05/2019] [Indexed: 01/31/2023]
Abstract
In this work, the synthesis and the pharmacological evaluation of diphenoxyadamantane alkylamines Ia-f and IIa-f is described. The new diphenoxy-substituted adamantanes share structural features present in trypanocidal and antitubercular agents. 1-Methylpiperazine derivative Ia is the most potent against T. brucei compound, whilst its hexylamine congener IIf exhibits a significant antimycobacterial activity.
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Affiliation(s)
- Markos-Orestis Georgiadis
- School of Health Sciences, Department of Pharmacy, Division of Pharmaceutical Chemistry, National and Kapodistrian University of Athens, Panepistimioupoli-Zografou, 157 84 Athens, Greece
| | - Violeta Kourbeli
- School of Health Sciences, Department of Pharmacy, Division of Pharmaceutical Chemistry, National and Kapodistrian University of Athens, Panepistimioupoli-Zografou, 157 84 Athens, Greece
| | - Vaya Ioannidou
- School of Health Sciences, Department of Pharmacy, Division of Pharmaceutical Chemistry, National and Kapodistrian University of Athens, Panepistimioupoli-Zografou, 157 84 Athens, Greece
| | - Evangelos Karakitsios
- School of Health Sciences, Department of Pharmacy, Division of Pharmaceutical Chemistry, National and Kapodistrian University of Athens, Panepistimioupoli-Zografou, 157 84 Athens, Greece
| | - Ioannis Papanastasiou
- School of Health Sciences, Department of Pharmacy, Division of Pharmaceutical Chemistry, National and Kapodistrian University of Athens, Panepistimioupoli-Zografou, 157 84 Athens, Greece.
| | - Andrew Tsotinis
- School of Health Sciences, Department of Pharmacy, Division of Pharmaceutical Chemistry, National and Kapodistrian University of Athens, Panepistimioupoli-Zografou, 157 84 Athens, Greece
| | - Dimitri Komiotis
- Department of Biochemistry and Biotechnology, Laboratory of Bioorganic Chemistry, University of Thessaly, 41221 Larissa, Greece
| | - Anthony Vocat
- Global Health Institute, École Polytechnique Fédérale de Lausanne, Station 19, 1015 Lausanne, Switzerland
| | - Stewart T Cole
- Global Health Institute, École Polytechnique Fédérale de Lausanne, Station 19, 1015 Lausanne, Switzerland; Institut Pasteur, 25-28 rue du Docteur Roux, 75724 Paris Cedex 15, France
| | - Martin C Taylor
- Department of Pathogen Molecular Biology, London School of Hygiene and Tropical Medicine, Keppel Street, London WC1 E7HT, UK
| | - John M Kelly
- Department of Pathogen Molecular Biology, London School of Hygiene and Tropical Medicine, Keppel Street, London WC1 E7HT, UK
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Priyanka, Neelabh, Tiwari N, Sharma RK, Gupta P, Misra S, Misra‐Bhattacharya S, Butcher RJ, Singh K, Katiyar D. Synthesis, Structure Elucidation, Homology Modeling and Antifilarial Activity of 7‐Benzamidocoumarin Derivatives. ChemistrySelect 2019. [DOI: 10.1002/slct.201803549] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Priyanka
- Department of Chemistry, MMVBanaras Hindu University Varanasi- 221005 India
| | - Neelabh
- Department of Zoology, MMVBanaras Hindu University Varanasi- 221005 India
| | - Neha Tiwari
- Department of Chemistry, MMVBanaras Hindu University Varanasi- 221005 India
| | - Rajesh K. Sharma
- Department of Chemistry, MMVBanaras Hindu University Varanasi- 221005 India
| | - Poonam Gupta
- Department of ChemistryM. M. H. College Ghaziabad- 201001 India
| | - Sweta Misra
- Division of ParasitologyCSIR-Central Drug Research Institute, BS 10/1, Jankipuram Extension Sitapur Road Lucknow- 226031 India
| | - Shailja Misra‐Bhattacharya
- Division of ParasitologyCSIR-Central Drug Research Institute, BS 10/1, Jankipuram Extension Sitapur Road Lucknow- 226031 India
| | - Ray J. Butcher
- Department of ChemistryHoward University 525 College Street NW Washington DC 20059 USA
| | - Karuna Singh
- Department of Zoology, MMVBanaras Hindu University Varanasi- 221005 India
| | - Diksha Katiyar
- Department of Chemistry, MMVBanaras Hindu University Varanasi- 221005 India
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10
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Facile construction of 4H-chromenes via Michael addition of phenols to benzylidene oxobutanoates and their successful conversion into pyranocoumarins. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.05.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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11
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Singh PK, Silakari O. The Current Status of O-Heterocycles: A Synthetic and Medicinal Overview. ChemMedChem 2018; 13:1071-1087. [PMID: 29603634 DOI: 10.1002/cmdc.201800119] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 03/23/2018] [Indexed: 12/20/2022]
Abstract
O-Heterocycles have been explored in the field of medicinal chemistry for a long time, but their significance has not been duly recognised and they are often shunned in favour of N-heterocycles. The design of bioactive molecules for nearly every pathophysiological condition is primarily focused on novel N-heterocycles. The main reasons for such bias include the ease of synthesis and possible mimicking of physiological molecules by N-heterocycles. But considering only this criterion rarely provides breakthrough molecules for a given disease condition, and instead the risks of toxicity or side effects are increased with such molecules. On the other hand, owing to improved synthetic feasibility, O-heterocycles have established themselves as equally potent lead molecules for a wide range of pathophysiological conditions. In the last decade there have been hundreds of reports validating the fact that equally potent molecules can be designed and developed by using O-heterocycles, and these are also expected to have comparably low toxicity. Even so, researchers tend to remain biased toward the use of N-heterocycles over O-heterocycles. Thus, this review provides a critical analysis of the synthesis and medicinal attributes of O-heterocycles, such as pyrones, oxazolones, furanones, oxetanes, oxazolidinones, and dioxolonones, and others, reported in the last five years, underlining the need for and the advantages guiding researchers toward them.
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Affiliation(s)
- Pankaj Kumar Singh
- Molecular Modelling Lab (MML), Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala, Punjab, 147002, India
| | - Om Silakari
- Molecular Modelling Lab (MML), Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala, Punjab, 147002, India
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12
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Tummalapalli SR, Bhat R, Chojnowski A, Prorok M, Kreiss T, Goldberg R, Canan S, Hawryluk N, Mortensen D, Khetani V, Zeldis J, Siekierka JJ, Rotella DP. Discovery of a Stress-Activated Protein Kinase Inhibitor for Lymphatic Filariasis. ACS Med Chem Lett 2018. [PMID: 29541362 DOI: 10.1021/acsmedchemlett.7b00477] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Lymphatic filariasis infects over 120 million people worldwide and can lead to significant disfigurement and disease. Resistance is emerging with current treatments, and these therapies have dose limiting adverse events; consequently new targets are needed. One approach to achieve this goal is inhibition of parasitic protein kinases involved in circumventing host defense mechanisms. This report describes structure-activity relationships leading to the identification of a potent, orally bioavailable stress activated protein kinase inhibitor that may be used to investigate this hypothesis.
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Affiliation(s)
- Sreedhar R. Tummalapalli
- Sokol Institute for Pharmaceutical Life Sciences and Department of Chemistry and Biochemistry, Montclair State University, Montclair, New Jersey 07043, United States
| | - Rohit Bhat
- Sokol Institute for Pharmaceutical Life Sciences and Department of Chemistry and Biochemistry, Montclair State University, Montclair, New Jersey 07043, United States
| | - Agnieszka Chojnowski
- Sokol Institute for Pharmaceutical Life Sciences and Department of Chemistry and Biochemistry, Montclair State University, Montclair, New Jersey 07043, United States
| | - Monika Prorok
- Sokol Institute for Pharmaceutical Life Sciences and Department of Chemistry and Biochemistry, Montclair State University, Montclair, New Jersey 07043, United States
| | - Tamara Kreiss
- Sokol Institute for Pharmaceutical Life Sciences and Department of Chemistry and Biochemistry, Montclair State University, Montclair, New Jersey 07043, United States
| | - Ronald Goldberg
- Sokol Institute for Pharmaceutical Life Sciences and Department of Chemistry and Biochemistry, Montclair State University, Montclair, New Jersey 07043, United States
| | - Stacie Canan
- Celgene Global Health, Celgene San Diego, 10300 Campus Point Drive, San Diego, California 92121, United States
| | - Natalie Hawryluk
- Celgene Global Health, Celgene San Diego, 10300 Campus Point Drive, San Diego, California 92121, United States
| | - Deborah Mortensen
- Celgene Global Health, Celgene San Diego, 10300 Campus Point Drive, San Diego, California 92121, United States
| | - Vikram Khetani
- Celgene Global Health, 86 Morris Avenue, Summit, New Jersey 07901, United States
| | - Jerome Zeldis
- Celgene Global Health, 86 Morris Avenue, Summit, New Jersey 07901, United States
| | - John J. Siekierka
- Sokol Institute for Pharmaceutical Life Sciences and Department of Chemistry and Biochemistry, Montclair State University, Montclair, New Jersey 07043, United States
| | - David P. Rotella
- Sokol Institute for Pharmaceutical Life Sciences and Department of Chemistry and Biochemistry, Montclair State University, Montclair, New Jersey 07043, United States
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13
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Development of novel anti-filarial agents using carbamo(dithioperoxo)thioate derivatives. Eur J Med Chem 2018; 143:598-610. [DOI: 10.1016/j.ejmech.2017.11.047] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Revised: 10/27/2017] [Accepted: 11/18/2017] [Indexed: 12/18/2022]
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14
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Priyanka, Singh V, Ekta, Katiyar D. Synthesis, antimicrobial, cytotoxic and E. coli DNA gyrase inhibitory activities of coumarinyl amino alcohols. Bioorg Chem 2017; 71:120-127. [PMID: 28196603 DOI: 10.1016/j.bioorg.2017.01.019] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Revised: 01/01/2017] [Accepted: 01/29/2017] [Indexed: 12/20/2022]
Abstract
Here we report the in vitro antimicrobial activity (minimum inhibitory concentration) of fourteen coumarinyl amino alcohols 2-16 against eight bacterial strains and two fungi. Among these compounds 4, 8, 12, 15 and 16 showed moderate to good microbial inhibition with MIC values varied from 6.25 to 25μg/mL. The most promising compounds were also evaluated for their in vitro cytotoxic and E. coli DNA gyrase inhibitory activities along with the two 7-oxy-4-methyl coumarinyl amino alcohol derivatives 17 and 18, which were found to be the most potent in in vitro antimicrobial screening in our previous study. All the active compounds, including 17 and 18, were also docked into the E. coli DNA gyrase ATP binding site (PDB ID: 1KZN) to investigate their binding interactions. Of these compound 17 has shown maximum binding energy value of -6.13kcal/mol.
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Affiliation(s)
- Priyanka
- Department of Chemistry, MMV, Banaras Hindu University, Varanasi 221005, India
| | - Vineeta Singh
- Department of Biotechnology, Institute of Engineering and Technology, Lucknow 226021, India
| | - Ekta
- Department of Bioinformatics, MMV, Banaras Hindu University, Varanasi 221005, India
| | - Diksha Katiyar
- Department of Chemistry, MMV, Banaras Hindu University, Varanasi 221005, India.
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15
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Sangshetti JN, Shinde DB, Kulkarni A, Arote R. Two decades of antifilarial drug discovery: a review. RSC Adv 2017. [DOI: 10.1039/c7ra01857f] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Filariasis is one of the oldest, most debilitating, disabling, and disfiguring neglected tropical diseases with various clinical manifestations and a low rate of mortality, but has a high morbidity rate, which results in social stigma.
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Affiliation(s)
| | | | | | - Rohidas Arote
- Department of Molecular Genetics
- School of Dentistry
- Seoul National University
- Seoul
- Republic of Korea
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16
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Synthesis, nematocidal activity and SAR study of novel difluoromethylpyrazole carboxamide derivatives containing flexible alkyl chain moieties. Eur J Med Chem 2016; 125:881-889. [PMID: 27769029 DOI: 10.1016/j.ejmech.2016.10.017] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2016] [Revised: 10/07/2016] [Accepted: 10/08/2016] [Indexed: 12/16/2022]
Abstract
A series of novel difluoromethylpyrazole carboxamides derivatives were synthesized by introduction of flexible alkyl chain. Nematicidal bioassay results showed that some of them exhibited good control efficacy against M. incognita, which indicated that these difluoromethylpyrazole carboxamides derivatives might be potential novel lead compounds for discovery new nematicides. The nematicidal activity was affected by the substituted position in the molecule, especially the substitution group on the alkyl chain. It was found that the compound 6-9 and 6-23 possess about 50% inhibition effect against M. incognita even at 5.0 and 1.0 mg L-1. Meanwhile, greenhouse field trial showed the nematicidal activity of compound 6-9 is a litter weaker than that of Abamectin. The mammalian toxicology results indicated that compound 6-9 was a low-toxicity and low-sensitive compound. In conclusion compound 6-9 is a potential candidate for further development. In addition, the molecular docking simulations revealed that compounds 6 with a flexible NHCOO show its binding affinities for the acetylcholine receptor (AChR), which may provide useful information for further design novel nematicides.
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Misra S, Valicherla GR, Mohd Shahab, Gupta J, Gayen JR, Misra-Bhattacharya S. UDP-galactopyranose mutase, a potential drug target against human pathogenic nematodeBrugia malayi. Pathog Dis 2016; 74:ftw072. [DOI: 10.1093/femspd/ftw072] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/13/2016] [Indexed: 01/02/2023] Open
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18
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Coumarins as cholinesterase inhibitors: A review. Chem Biol Interact 2016; 254:11-23. [DOI: 10.1016/j.cbi.2016.05.001] [Citation(s) in RCA: 105] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2015] [Revised: 04/14/2016] [Accepted: 05/01/2016] [Indexed: 11/22/2022]
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Sharma RK, Priyanka, Katiyar D. l-Proline catalyzed condensation of salicylaldehydes with ethyl nitroacetate: an efficient access to 3-nitrocoumarins. MONATSHEFTE FUR CHEMIE 2016. [DOI: 10.1007/s00706-016-1736-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Priyanka, Srivastava SK, Katiyar D. Combined experimental and theoretical studies on 4-(2-hydroxy-3-morpholin-4-yl-propoxy)-chromen-2-one. JOURNAL OF THEORETICAL & COMPUTATIONAL CHEMISTRY 2016. [DOI: 10.1142/s0219633616500176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The FTIR, UV–Vis and NMR spectra of 4-(2-hydroxy-3-morpholin-4-yl-propoxy)-chromen-2-one (4-HMPC) have been recorded and analyzed. The optimized geometry and harmonic vibrational frequencies of 4-HMPC were obtained by the Hartree–Fock (HF) and density functional theory (DFT) using B3LYP functional with 6-311[Formula: see text]G basis set. The 1H and [Formula: see text]C NMR chemical shifts were calculated by the GIAO method in chloroform. The absorption spectra of 4-HMPC were computed in ethanol and water solutions using TD-B3LYP/6-311[Formula: see text]G(d,p) approach. The correlation of theoretical and experimental results provides a detailed description of the structural and physicochemical properties of the molecule. The results obtained from the studies of HOMO and LUMO were used to calculate the conceptual-DFT-based global reactivity descriptors such as electronic chemical potential, electronegativity, chemical hardness, global softness and electrophilicity index of the compound.
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Affiliation(s)
- Priyanka
- Department of Chemistry, Mahila Maha Vidyalaya, Banaras Hindu University, Varanasi 221005, India
| | - Sanjay Kumar Srivastava
- Department of Physics, Mahila Maha Vidyalaya, Banaras Hindu University, Varanasi 221005, India
| | - Diksha Katiyar
- Department of Chemistry, Mahila Maha Vidyalaya, Banaras Hindu University, Varanasi 221005, India
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