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Anchau Wegermann C, Santana Bezerra E, Gomes de Macedo Sant'Anna I, Ortega De Oliveira PC, da Costa Silva R, Rocco Machado T, Wanderley Tinoco L, Vieira de Souza MCB, Pascutti P, Santos Boechat FDC, de Moraes MC. Insights into nucleoside hydrolase from Leishmania donovani inhibition: A new bioaffinity chromatography-based screening assay and docking studies. Bioorg Chem 2024; 146:107302. [PMID: 38521010 DOI: 10.1016/j.bioorg.2024.107302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Accepted: 03/19/2024] [Indexed: 03/25/2024]
Abstract
Leishmaniasis, a group of neglected infectious diseases, encompasses a serious health concern, particularly with visceral leishmaniasis exhibiting potentially fatal outcomes. Nucleoside hydrolase (NH) has a fundamental role in the purine salvage pathway, crucial for Leishmania donovani survival, and presents a promising target for developing new drugs for visceral leishmaniasis treatment. In this study, LdNH was immobilized into fused silica capillaries, resulting in immobilized enzyme reactors (IMERs). The LdNH-IMER activity was monitored on-flow in a multidimensional liquid chromatography system, with the IMER in the first dimension. A C18 analytical column in the second dimension furnished the rapid separation of the substrate (inosine) and product (hypoxanthine), enabling direct enzyme activity monitoring through product quantification. LdNH-IMER exhibited high stability and was characterized by determining the Michaelis-Menten constant. A known inhibitor (1-(β-d-Ribofuranosyl)-4-quinolone derivative) was used as a model to validate the established method in inhibitor recognition. Screening of three additional derivatives of 1-(β-d-Ribofuranosyl)-4-quinolone led to the discovery of novel inhibitors, with compound 2a exhibiting superior inhibitory activity (Ki = 23.37 ± 3.64 µmol/L) compared to the employed model inhibitor. Docking and Molecular Dynamics studies provided crucial insights into inhibitor interactions at the enzyme active site, offering valuable information for developing new LdNH inhibitors. Therefore, this study presents a novel screening assay and contributes to the development of potent LdNH inhibitors.
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Affiliation(s)
- Camila Anchau Wegermann
- BioCrom, Laboratório de Cromatografia de Bioafinidade e Química Ambiental, Departamento de Química Orgânica, Instituto de Química, Universidade Federal Fluminense (UFF), Niterói, Brazil; Laboratório GQCBio, Grupo de Química de Coordenação Biológica, Departamento de Química Geral e Inorgânica, Instituto de Química, Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro, Brazil
| | - Evelyn Santana Bezerra
- BioCrom, Laboratório de Cromatografia de Bioafinidade e Química Ambiental, Departamento de Química Orgânica, Instituto de Química, Universidade Federal Fluminense (UFF), Niterói, Brazil
| | - Isabella Gomes de Macedo Sant'Anna
- BioCrom, Laboratório de Cromatografia de Bioafinidade e Química Ambiental, Departamento de Química Orgânica, Instituto de Química, Universidade Federal Fluminense (UFF), Niterói, Brazil
| | - Pamella Christina Ortega De Oliveira
- BioCrom, Laboratório de Cromatografia de Bioafinidade e Química Ambiental, Departamento de Química Orgânica, Instituto de Química, Universidade Federal Fluminense (UFF), Niterói, Brazil
| | - Rodrigo da Costa Silva
- Laboratório LNHC, Instituto de Química, Departamento de Química Orgânica, Universidade Federal Fluminense (UFF), Niterói, RJ, Brazil
| | - Thamires Rocco Machado
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Luzineide Wanderley Tinoco
- Núcleo de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro (UFRJ), Cidade Universitária, 21941-902 Rio de Janeiro, RJ, Brazil
| | | | - Pedro Pascutti
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Fernanda da Costa Santos Boechat
- Laboratório LNHC, Instituto de Química, Departamento de Química Orgânica, Universidade Federal Fluminense (UFF), Niterói, RJ, Brazil
| | - Marcela Cristina de Moraes
- BioCrom, Laboratório de Cromatografia de Bioafinidade e Química Ambiental, Departamento de Química Orgânica, Instituto de Química, Universidade Federal Fluminense (UFF), Niterói, Brazil.
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Asadi M, Fayazi F, Iraji A, Sabourian R, Azizian H, Hajimahmoodi M, Larijani B, Mahdavi M, Amanlou M. Nitrophenylpiperazine derivatives as novel tyrosinase inhibitors: design, synthesis, and in silico evaluations. BMC Chem 2024; 18:67. [PMID: 38581040 PMCID: PMC10998383 DOI: 10.1186/s13065-024-01167-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 03/20/2024] [Indexed: 04/07/2024] Open
Abstract
A novel series of 4-nitrophenylpiperazine derivatives (4a-m) was designed and synthesized as potential tyrosinase inhibitors. Comprehensive characterization using 1H-NMR, 13C-NMR, CNH, and IR techniques was performed for all target compounds. Subsequently, the derivatives were evaluated for their inhibitory activity against tyrosinase. Among them, compound 4l, featuring an indole moiety at the N-1 position of the piperazine ring, exhibited a significant tyrosinase inhibitory effect with an IC50 value of 72.55 μM. Enzyme kinetics analysis revealed that 4l displayed mixed inhibition of the tyrosinase enzymatic reaction. Molecular docking was carried out in the enzyme's active site to further investigate the enzyme-inhibitor interactions. Based on the findings, compound 4l shows promise as a lead structure for the design of potent tyrosinase inhibitors. This study paves the way for the development of more effective tyrosinase inhibitors for potential applications in various fields.
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Affiliation(s)
- Mehdi Asadi
- Department of Medicinal Chemistry, School of Pharmacy, Iran University of Medical Sciences, Tehran, Iran
| | - Fahime Fayazi
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Aida Iraji
- Stem Cells Technology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Central Research Laboratory, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Reyhaneh Sabourian
- Drug and Food Control Department, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Homa Azizian
- Department of Medicinal Chemistry, School of Pharmacy, Iran University of Medical Sciences, Tehran, Iran
| | - Mannan Hajimahmoodi
- Drug and Food Control Department, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Bagher Larijani
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Mohammad Mahdavi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran.
| | - Massoud Amanlou
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran.
- Experimental Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran.
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Serag MI, Tawfik SS, Badr SMI, Eisa HM. New oxadiazole and pyrazoline derivatives as anti-proliferative agents targeting EGFR-TK: design, synthesis, biological evaluation and molecular docking study. Sci Rep 2024; 14:5474. [PMID: 38443456 PMCID: PMC10915170 DOI: 10.1038/s41598-024-55046-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Accepted: 02/20/2024] [Indexed: 03/07/2024] Open
Abstract
Two new series of oxadiazole and pyrazoline derivatives were designed and synthesized as promising EGFR-TK inhibitors. The in vitro antiproliferative activity was studied against three human cancer cell lines; HCT116, HepG-2 and MCF7 using MTT assay. Compound 10c showed the most potent anticancer activity against all cancer cell lines, with IC50 range of 1.82 to 5.55 μM, while proving safe towards normal cells WI-38 (IC50 = 41.17 μM) compared to the reference drug doxorubicin (IC50 = 6.72 μM). The most active candidates 5a, 9b, 10a, 10b and 10c were further assessed for their EGFR-TK inhibition. The best of which, compounds 5a and 10b showed IC50 of 0.09 and 0.16 μM respectively compared to gefitinib (IC50 = 0.04 μM). Further investigation against other EGFR family members, showed that 5a displayed good activities against HER3 and HER4 with IC50 values 0.18 and 0.37 µM, respectively compared to gefitinib (IC50 = 0.35 and 0.58 µM, respectively). Furthermore, 5a was evaluated for cell cycle distribution and apoptotic induction on HepG-2 cells. It induced mitochondrial apoptotic pathway and increased accumulation of ROS. Molecular docking study came in agreement with the biological results. Compounds 5a and 10b showed promising drug-likeness with good physicochemical properties.
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Affiliation(s)
- Marwa I Serag
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt.
| | - Samar S Tawfik
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt
| | - Sahar M I Badr
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt
| | - Hassan M Eisa
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt
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Yepes AF, Robledo SM, Quintero-Saumeth J, Cardona-Galeano W. 3-styrylcoumarin scaffold-based derivatives as a new approach for leishmaniasis intervention: biological and molecular modeling studies. J Parasit Dis 2024; 48:81-94. [PMID: 38440753 PMCID: PMC10908709 DOI: 10.1007/s12639-023-01639-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 12/13/2023] [Indexed: 03/06/2024] Open
Abstract
Seven 3-styrylcoumarins were tested for antileishmanial activity against Leishmania (Viannia) panamensis amastigotes. Cytotoxic activity was also evaluated against mammalian U-937 cells. The 3-methoxy-4-hydroxy coumarin derivative 6 was the most active with an IC50 of 40.5 µM, and did not reveal any conspicuous toxicity toward mammalian U-937 cells. Therefore, it may have potential to be considered as candidate for antileishmanial drug development. Further, among several druggable Leishmania targets, molecular docking studies revealed that compound 6 had docking preference by the N-myristoyltransferase (Lp-NMT) of Leishmania panamensis, showing a higher docking score of - 10.1 kcal mol-1 than positive controls and making this protein as a presumably druggable target for this compound. On the other hand, molecular dynamics simulations affirm the docking hypothesis, showing a conformational stability of the 6/Lp-NMT complex throughout 100 ns simulation. Moreover, the molecular mechanics/Poisson-Boltzmann surface area method also support the docking findings, revealing a total free energy of binding of - 47.26 ± 0.08 kcal mol-1, and identifying through energy decomposition analysis that those key aminoacids are contributing strongly to ligand binding. Finally, an optimal pharmacokinetic profile was also estimated for 6. Altogether, coumarin 6 could be addressed as starting point for further pharmacological studies concerning the therapeutic leishmaniasis intervention. Graphical abstract
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Affiliation(s)
- Andrés F. Yepes
- Chemistry of Colombian Plants, Faculty of Exact and Natural Sciences, Institute of Chemistry, University of Antioquia-UdeA, Calle 70 No. 52-21, A.A 1226, Medellín, Colombia
| | - Sara M. Robledo
- Faculty of Medicine, PECET-Medical Research Institute, University of Antioquia-UdeA, Calle 70 No. 52-21, A.A 1226, Medellín, Colombia
| | - Jorge Quintero-Saumeth
- Chemistry of Colombian Plants, Faculty of Exact and Natural Sciences, Institute of Chemistry, University of Antioquia-UdeA, Calle 70 No. 52-21, A.A 1226, Medellín, Colombia
| | - Wilson Cardona-Galeano
- Chemistry of Colombian Plants, Faculty of Exact and Natural Sciences, Institute of Chemistry, University of Antioquia-UdeA, Calle 70 No. 52-21, A.A 1226, Medellín, Colombia
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Kumar S, Wadhwa P. Synthesis, molecular docking and biological evaluation of 1,2,4-oxadiazole based novel non-steroidal derivatives against prostate cancer. Bioorg Chem 2024; 143:107029. [PMID: 38091717 DOI: 10.1016/j.bioorg.2023.107029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 12/01/2023] [Accepted: 12/08/2023] [Indexed: 01/24/2024]
Abstract
Prostate cancer is one of the most prevalent cancers in men leading to second most death causing cancer in men. Despite the availability of multiple treatment still the prevalence is high for prostate cancer. Steroidal antagonists associated with poor bioavailability, side effects while non-steroidal antagonists show serious side effects like gynecomastia. Therefore, there is a need of potential candidate for the treatment of prostate cancer with better bioavailability, good therapeutic effect and minimal side effects. In the same context, we have designed the series, SP1-SP25 based 3-phenyl-5-styryl-1,2,4-oxadiazole as the core structure. We successfully synthesized all 25 molecules in this series and characterized them using 1H, 13C NMR, and mass spectroscopy. Subsequently, we conducted MTT assays using PC-3 cells and observed that all the compounds exhibited a dose-dependent decrease in cell viability. Notably, compounds SP04, SP16, and SP19 demonstrated a significant decrease in cell viability and exhibited potent activity compared to the other synthesized molecules and standard drug bicalutamide. Among them, SP04 emerged as the one of the most potent compounds with an IC50 value of 238.13 nM and an 89.99 % inhibition of PC-3 cells, compared to synthesized molecules and standard drug bicalutamide. Furthermore, we conducted ROS assays and androgen receptor inhibition assays using the potent compound SP04 and bicalutamide. The results indicated that SP04 increased ROS production and decreased androgen receptor expression dose-dependent manner. Additionally, we conducted a docking study to analyse the interaction patterns within the active site of the androgen receptor. ADMET analysis revealed that all the compounds exhibited favorable physicochemical properties and manageable toxicity profiles.
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Affiliation(s)
- Shubham Kumar
- School of Pharmaceutical Sciences, Lovely Professional University, Jalandhar-Delhi G.T. Road, Phagwara, Punjab 144411, India
| | - Pankaj Wadhwa
- School of Pharmaceutical Sciences, Lovely Professional University, Jalandhar-Delhi G.T. Road, Phagwara, Punjab 144411, India.
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6
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Francavilla F, Sarcina F, Schepetkin IA, Kirpotina LN, Contino M, Schirizzi A, De Leonardis G, Khlebnikov AI, D'Alessandro R, Quinn MT, Lacivita E, Leopoldo M. Development of potent isoflavone-based formyl peptide receptor 1 (FPR1) antagonists and their effects in gastric cancer cell models. Eur J Med Chem 2023; 261:115854. [PMID: 37839346 PMCID: PMC10822168 DOI: 10.1016/j.ejmech.2023.115854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 10/02/2023] [Accepted: 10/03/2023] [Indexed: 10/17/2023]
Abstract
Formyl peptide receptor-1 (FPR1) is a G protein-coupled chemoattractant receptor that plays a crucial role in the trafficking of leukocytes into the sites of bacterial infection and inflammation. Recently, FPR1 was shown to be expressed in different types of tumor cells and could play a significant role in tumor growth and invasiveness. Starting from the previously reported FPR1 antagonist 4, we have designed a new series of 4H-chromen-2-one derivatives that exhibited a substantial increase in FPR1 antagonist potency. Docking studies identified the key interactions for antagonist activity. The most potent compounds in this series (24a and 25b) were selected to study the effects of the pharmacological blockade of FPR1 in NCl-N87 and AGS gastric cancer cells. Both compounds potently inhibited cell growth through a combined effect on cell proliferation and apoptosis and reduced cell migration, while inducing an increase in angiogenesis, thus suggesting that FPR1 could play a dual role as oncogene and onco-suppressor.
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Affiliation(s)
- Fabio Francavilla
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, via Orabona 4, 70125, Bari, Italy
| | - Federica Sarcina
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, via Orabona 4, 70125, Bari, Italy
| | - Igor A Schepetkin
- Department of Microbiology and Cell Biology, Montana State University, Bozeman, MT, 59717, USA
| | - Lilya N Kirpotina
- Department of Microbiology and Cell Biology, Montana State University, Bozeman, MT, 59717, USA
| | - Marialessandra Contino
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, via Orabona 4, 70125, Bari, Italy
| | - Annalisa Schirizzi
- Laboratory of Experimental Oncology, National Institute of Gastroenterology - IRCCS "Saverio de Bellis", Research Hospital, 70013, Castellana Grotte (BA), Italy
| | - Giampiero De Leonardis
- Laboratory of Experimental Oncology, National Institute of Gastroenterology - IRCCS "Saverio de Bellis", Research Hospital, 70013, Castellana Grotte (BA), Italy
| | - Andrei I Khlebnikov
- Kizhner Research Center, Tomsk Polytechnic University, Tomsk, 634050, Russia
| | - Rosalba D'Alessandro
- Laboratory of Experimental Oncology, National Institute of Gastroenterology - IRCCS "Saverio de Bellis", Research Hospital, 70013, Castellana Grotte (BA), Italy
| | - Mark T Quinn
- Department of Microbiology and Cell Biology, Montana State University, Bozeman, MT, 59717, USA
| | - Enza Lacivita
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, via Orabona 4, 70125, Bari, Italy.
| | - Marcello Leopoldo
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, via Orabona 4, 70125, Bari, Italy
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Murthy Potla K, Parameshwar Adimule S, Poojith N, Osório FAP, Valverde C, Sheena Mary Y, Vankayalapati S. A comparative study of structural and spectroscopic properties of three structurally similar mechanically bending organic single crystals - 2-Amino-3-nitro-5-halo (halo = Cl, Br, or I) pyridine. Spectrochim Acta A Mol Biomol Spectrosc 2023; 302:123093. [PMID: 37418906 DOI: 10.1016/j.saa.2023.123093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 06/09/2023] [Accepted: 06/29/2023] [Indexed: 07/09/2023]
Abstract
In recent years, scientists have been very interested in single crystals of monoaromatic compounds with mechanical softness, but they are hard to find. The present work reports a comparative study of structural, spectroscopic, and quantum chemical investigations of three structurally similar mechanically bending monoaromatic compounds, namely, 2-amino-3-nitro-5-chloro pyridine (I), 2-amino-3-nitro-5-bromo pyridine (II), and 2-amino-3-nitro-5-iodo pyridine (III). The mechanical responses of the three organic crystals studied here are very intriguing due to the similarity of their chemical structures, which only differ in the presence of halogen atoms (Cl, Br, and I) at the fifth position of the pyridine ring and are explained through examining intermolecular interaction energies from energy frameworks analysis, slip layer topology, and Hirshfeld surface analysis. The crystals of all the three feature one dimensional ribbons comprising alternating NaminoH⋯Onitro and NaminoH⋯Npyridine hydrogen bonds that form R22(12) and R22(8) dimeric rings, respectively. In (III), weak I⋯I interactions link the adjacent ribbons forming a two dimensional sheet. Layer-like structures are observed in all three crystals, with no significant interactions between the adjacent architectures (ribbons or sheets). Energy framework calculations are used for estimating the bending ability of the three compounds, with the three following the order Cl ≪ Br < I. The iterative electrostatic scheme coupled with the supermolecule approach (SM) at the DFT/CAM-B3LYP/aug-cc-pVTZ level is used to calculate the third-order nonlinear susceptibility (χ3) values in a simulated crystalline environment for the static case as well as two typical electric field frequency values, (λ = 1064 nm) and (λ = 532 nm). In addition, estimates of the topological studies (localized orbital locator and electron localization function) and reactivity characteristics (global reactivity parameters, molecular electrostatic potential, and Fukui function) are made for the compounds under investigation. Docking studies done using AutoDock software with a protein target (PDB ID: 6CM4) revealed that three compounds could be used to treat Alzheimer's disease.
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Affiliation(s)
- Krishna Murthy Potla
- Department of Chemistry, Velagapudi Ramakrishna Siddhartha Engineering College (Autonomous), Kanuru 520 007, Vijayawada, Andhra Pradesh, India
| | - Suchetan Parameshwar Adimule
- Department of Studies and Research in Chemistry, University College of Science, Tumkur University, Tumkur 572 103, Karnataka, India
| | - Nuthalapati Poojith
- Department of Pharmacology, Sri Ramachandra Institute of Higher Education and Research, Ramachandra Nagar, Porur, Chennai 600 116, India.
| | - Francisco A P Osório
- Instituto de Física, Universidade Federal de Goias, 74690-900 Goiânia, GO, Brazil; Pontifícia Universida de Católica de Goiás, 74605-100 Goiânia, GO, Brazil
| | - Clodoaldo Valverde
- Laboratório de Modelagem Molecular Aplicada e Simulação (LaMMAS), Campus de CiênciasExatas e Tecnológicas, UniversidadeEstadual de Goiás, 75001-970 Anápolis, GO, Brazil; Universidade Paulista, 74845-090 Goiânia, GO, Brazil
| | | | - Suneetha Vankayalapati
- Department of Chemistry, Velagapudi Ramakrishna Siddhartha Engineering College (Autonomous), Kanuru 520 007, Vijayawada, Andhra Pradesh, India
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Ruseva N, Atanasova M, Sbirkova-Dimitrova H, Marković A, Šmelcerović Ž, Šmelcerović A, Cherneva E, Bakalova A. Chloro-substituted pyridine squaramates as new DNase I inhibitors: Synthesis, structural characterization, in vitro evaluation and molecular docking studies. Chem Biol Interact 2023; 386:110772. [PMID: 37898285 DOI: 10.1016/j.cbi.2023.110772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 10/08/2023] [Accepted: 10/16/2023] [Indexed: 10/30/2023]
Abstract
Having continued our recent study on the synthesis and DNase I inhibition of several monosquaramides, two new chloro-substituted pyridine squaramates were synthesized and their structure was identified by X-ray. Their inhibitory properties towards deoxyribonuclease I (DNase I) and xanthine oxidase (XO) were evaluated in vitro. 3-(((6-Chloropyridin-3-yl)methyl)amino)-4-ethoxycyclobut-3-ene-1,2-dione (compound 3a) inhibited DNase I with an IC50 value of 43.82 ± 6.51 μM, thus standing out as one of the most potent small organic DNase I inhibitors tested to date. No cytotoxicity to human tumor cell lines (HL-60, MDA-MB-231 and MCF-7) was observed for the tested compounds. In order to investigate the drug-likeness of the squaramates, the ADME profile and pharmacokinetic properties were evaluated. Molecular docking was performed to reveal the binding mode of the studied compounds on DNase I.
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Affiliation(s)
- Nina Ruseva
- Department of Chemistry, Faculty of Pharmacy, Medical University of Sofia, 2 Dunav Str., 1000, Sofia, Bulgaria
| | - Mariyana Atanasova
- Department of Chemistry, Faculty of Pharmacy, Medical University of Sofia, 2 Dunav Str., 1000, Sofia, Bulgaria
| | - Hristina Sbirkova-Dimitrova
- Institute of Mineralogy and Crystallography "Akad. Ivan Kostov", Bulgarian Academy of Sciences, Acad. G. Bonchev Bl. 107, 1113, Sofia, Bulgaria
| | - Ana Marković
- Department of Pharmacy, Faculty of Medicine, University of Niš, Bulevar Zorana Ðindića 81, 18000, Niš, Serbia
| | - Žaklina Šmelcerović
- Center for Biomedicinal Science, Faculty of Medicine, University of Niš, Bulevar Zorana Ðindića 81, 18000, Niš, Serbia
| | - Andrija Šmelcerović
- Department of Chemistry, Faculty of Medicine, University of Niš, Bulevar Zorana Ðindića 81, 18000, Niš, Serbia.
| | - Emiliya Cherneva
- Department of Chemistry, Faculty of Pharmacy, Medical University of Sofia, 2 Dunav Str., 1000, Sofia, Bulgaria; Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Build. 9, 1113, Sofia, Bulgaria
| | - Adriana Bakalova
- Department of Chemistry, Faculty of Pharmacy, Medical University of Sofia, 2 Dunav Str., 1000, Sofia, Bulgaria.
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9
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Vasudevan N, Motiwala Z, Ramesh R, Wagh SB, Shingare RD, Katte R, Anand A, Choudhary S, Kumar A, Gokhale RS, Kulkarni KA, Reddy DS. Synthesis, biological evaluation and docking studies of silicon incorporated diarylpyrroles as MmpL3 inhibitors: An effective strategy towards development of potent anti-tubercular agents. Eur J Med Chem 2023; 259:115633. [PMID: 37524010 DOI: 10.1016/j.ejmech.2023.115633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 07/03/2023] [Accepted: 07/09/2023] [Indexed: 08/02/2023]
Abstract
Growing global demand for new molecules to treat tuberculosis has created an urgent need to develop novel strategies to combat the menace. BM212 related compounds were found to be potent anti-TB agents and they inhibit mycolic acid transporter, MmpL3, a known potent drug target from Mycobacterium tuberculosis. In order to enhance their inhibitory potency, several silicon analogues of diarylpyrroles related to BM212 were designed, synthesized, and evaluated for anti-tubercular activities. In Alamar blue assay, most of the silicon-incorporated compounds were found to be more potent than the parent compound (BM212), against Mycobacterium tuberculosis (MIC = 1.7 μM, H37Rv). Docking results from the crystal structure of MmpL3 and silicon analogues as pharmacophore model also strongly correlate with the biological assays and suggest that the incorporation of silicon in the inhibitor scaffold could enhance their potency by stabilizing the hydrophobic residues at the binding pocket. The best docking hit, compound 12 showed an MIC of 0.1 μM against H37Rv with an acceptable in vitro ADME profile and excellent selectivity index. Overall, the present study indicates that, the designed silicon analogues, especially compound 12 could be a good inhibitor for an intrinsically flexible drug-binding pocket of MmpL3 and has potential for further development as anti-tubercular agents.
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Affiliation(s)
- N Vasudevan
- CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Zenia Motiwala
- CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Remya Ramesh
- CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Sachin B Wagh
- CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411008, India
| | - Rahul D Shingare
- CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Revansiddha Katte
- CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411008, India
| | - Amitesh Anand
- CSIR-Institute of Genomics and Integrative Biology, Mathura Road, New Delhi, 110025, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Sushil Choudhary
- CSIR-Indian Institute of Integrative Medicine, Post Bag No. 3, Canal Rd, Jammu, 180001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Ajay Kumar
- CSIR-Indian Institute of Integrative Medicine, Post Bag No. 3, Canal Rd, Jammu, 180001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Rajesh S Gokhale
- CSIR-Institute of Genomics and Integrative Biology, Mathura Road, New Delhi, 110025, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India; Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune, 411008, India; Immunometabolism Laboratory, National Institute of Immunology, Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Kiran A Kulkarni
- CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
| | - D Srinivasa Reddy
- CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
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Persico M, Sessa R, Cesaro E, Dini I, Costanzo P, Ritieni A, Fattorusso C, Grosso M. A multidisciplinary approach disclosing unexplored Aflatoxin B1 roles in severe impairment of vitamin D mechanisms of action. Cell Biol Toxicol 2023; 39:1275-1295. [PMID: 36066700 PMCID: PMC10425525 DOI: 10.1007/s10565-022-09752-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 06/20/2022] [Indexed: 11/02/2022]
Abstract
Aflatoxin B1 (AFB1), produced by fungi of the genus Aspergillus, is the most toxic and carcinogenic mycotoxin among the classes of aflatoxins. Previous research showed that AFB1 affects vitamin D receptor (VDR) expression. In the present study, integrated computational and experimental studies were carried out to investigate how AFB1 can interfere with Vitamin D signalling. A competitive antagonism of AFB1 toward RXRα and VDR was hypothesized by comparing the docked complex of AFB1/RXRα and AFB1/VDR ligand-binding domain (LBD) with the X-ray structures of RXRα and VDR bound to known ligands. Accordingly, we demonstrated that AFB1 can affect vitamin D-mediated transcriptional activation of VDR by impairing the formation of protein complexes containing both VDR-RXRα and RXRα/RAR and affecting the subcellular localization of VDR and RXRα. As a whole, our data indicate that AFB1 can interfere with different molecular pathways triggered by vitamin D with an antagonistic mechanism of action.
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Affiliation(s)
- Marco Persico
- Department of Pharmacy, University of Naples Federico II, Via Domenico Montesano, Naples, Italy
| | - Raffaele Sessa
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Via Sergio Pansini, Naples, Italy
| | - Elena Cesaro
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Via Sergio Pansini, Naples, Italy
| | - Irene Dini
- Department of Pharmacy, University of Naples Federico II, Via Domenico Montesano, Naples, Italy
| | - Paola Costanzo
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Via Sergio Pansini, Naples, Italy
| | - Alberto Ritieni
- Department of Pharmacy, University of Naples Federico II, Via Domenico Montesano, Naples, Italy.
- Staff of UNESCO Chair On Health Education and Sustainable Development, University of Naples Federico II, Naples, Italy.
| | - Caterina Fattorusso
- Department of Pharmacy, University of Naples Federico II, Via Domenico Montesano, Naples, Italy
| | - Michela Grosso
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Via Sergio Pansini, Naples, Italy
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11
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Wang C, Ma G, Zhang S, Zhao K, Li X. Study on the binding of ningnanmycin to the helicase of Tobamovirus virus. Pestic Biochem Physiol 2023; 194:105494. [PMID: 37532353 DOI: 10.1016/j.pestbp.2023.105494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 06/04/2023] [Accepted: 06/07/2023] [Indexed: 08/04/2023]
Abstract
The Tobamovirus helicase plays an important role in virus proliferation and host interaction. They can also be targets for antiviral drugs. Tobacco mosaic virus (TMV) is well controlled by ningnanmycin (NNM), but whether it acts on other virus helicases of Tobamovirus virus is not clear. In this study, we expressed and purified several Tobamovirus virus helicase proteins and analyzed the three-dimensional structures of several Tobamovirus virus helicases. In addition, the binding of Tobamovirus helicase to NNM was also studied. The docking study reveals the interaction between NNM and Tobamovirus virus helicase. Microscale Thermophoresis (MST) experiments have shown that NNM binds to Tobamovirus helicase with a dissociation constant of 4.64-12.63 μM. Therefore, these data are of great significance for the design and synthesis of new effective anti-plant virus drugs.
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Affiliation(s)
- Chen Wang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China
| | - Guangming Ma
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China
| | - Shanqi Zhang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China
| | - Kunhong Zhao
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China
| | - Xiangyang Li
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China.
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12
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Reis RCFM, Dos Santos EG, Benedetti MD, Reis ACC, Brandão GC, Silva GND, Diniz LA, Ferreira RS, Caldas IS, Braga SFP, Souza TBD. Design and synthesis of new 1,2,3-triazoles derived from eugenol and analogues with in vitro and in vivo activity against Trypanosoma cruzi. Eur J Med Chem 2023; 258:115622. [PMID: 37441850 DOI: 10.1016/j.ejmech.2023.115622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 06/22/2023] [Accepted: 07/01/2023] [Indexed: 07/15/2023]
Abstract
Chagas disease (CD) is a neglected tropical disease endemic in 21 countries and affects about 8 million people around the world. The pharmacotherapy for this disease is limited to two drugs (Benznidazole and Nifurtimox) and both are associated with important limitations, as low cure rate in the chronic phase of the disease, high toxicity and increasing resistance by Trypanosoma cruzi. Recently, we reported a bioactive 1,2,3-triazole (compound 35) active in vitro (IC50 42.8 μM) and in vivo (100 mg/kg) against T. cruzi Y strains and preliminary in silico studies suggested the cysteine protease cruzain as a possible target. Considering these initial findings, we describe here the design and synthesis of new 1,2,3-triazoles derivatives of our hit compound (35). The triazoles were initially evaluated against healthy cells derived from neonatal rat cardiomyoblasts (H9c2 cells) to determine their cytotoxicity and against epimastigotes forms of T. cruzi Y strain. The most active triazoles were compounds 26 (IC50 19.7 μM) and 27 (IC50 7.3 μM), while benznidazole was active at 21.6 μM. Derivative 27 showed an interesting selectivity index considering healthy H9c2 cells (>77). Promising activities against trypomastigotes forms of the parasite were also observed for triazoles 26 (IC50 20.74 μM) and 27 (IC50 8.41 μM), mainly 27 which showed activity once again higher than that observed for benznidazole (IC50 12.72 μM). While docking results suggested cruzain as a potential target for these compounds, no significant enzyme inhibition was observed in vitro, indicating that their trypanocidal activity is related to another mode of action. Considering the promising in vitro results of triazoles 26 and 27, the in vivo toxicity was initially verified based on the evaluation of behavioral and physiological parameters, mortality, effect in body weight gain, and through the measurement of AST/ALT enzymes, which are markers of liver toxicity. All these evaluations pointed to a good tolerability of the animals, especially considering triazole 27. A reduction in parasitemia was observed among animals treated with triazole 27, but not among those treated with derivative 26. Regarding the dosage, derivative 27 (100 mg/kg) was the most active sample against T. cruzi infection, showing a 99.4% reduction in parasitemia peak. Triazole 27 at a dosage of 100 mg/kg influenced the humoral immune response and reduced myocarditis in the animals, bringing antibody levels closer to those observed among healthy mice. Altogether, our results indicate compound 27 as a new lead for the development of drug candidates to treat Chagas disease.
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Affiliation(s)
| | - Elda Gonçalves Dos Santos
- Department of Pathology and Parasitology, Federal University of Alfenas, 37130-001, Alfenas, MG, Brazil
| | - Monique Dias Benedetti
- Department of Pathology and Parasitology, Federal University of Alfenas, 37130-001, Alfenas, MG, Brazil
| | | | - Geraldo Célio Brandão
- School of Pharmacy - Federal University of Ouro Preto, 35400-000, Ouro Preto, MG, Brazil
| | | | - Lucas Abreu Diniz
- Biochemistry and Immunology Department - Federal University of Minas Gerais, 31270-901, Belo Horizonte, MG, Brazil
| | - Rafaela Salgado Ferreira
- Biochemistry and Immunology Department - Federal University of Minas Gerais, 31270-901, Belo Horizonte, MG, Brazil
| | - Ivo Santana Caldas
- Department of Pathology and Parasitology, Federal University of Alfenas, 37130-001, Alfenas, MG, Brazil
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13
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Nassar DA, Ali OA, Shehata MR, Sayed AS. Spectroscopic investigation, thermal behavior, catalytic reduction, biological and computational studies of novel four transition metal complexes based on 5-methylthiophene Schiff base type. Heliyon 2023; 9:e16973. [PMID: 37332957 PMCID: PMC10272477 DOI: 10.1016/j.heliyon.2023.e16973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 06/02/2023] [Accepted: 06/02/2023] [Indexed: 06/20/2023] Open
Abstract
Four new complexes prepared from 5-Methyl-2-carboxaldehyde-thiophene and 2,6-pyridinediamine with cobalt, nickel, copper and cadmium ions have been synthesized because of the significance of these complexes in pharmacological research and catalytic reduction. The prepared compounds were characterized using elemental analysis, mass, UV-visible, NMR and FTIR spectroscopy, as well as molar conductance, magnetic susceptibility measurements, fluorescence properties and TGA analysis. The stoichiometry mode was confirmed as 1:1 (metal: ligand) for Co, Ni and Cu complexes and 1:2 (metal: ligand) for Cd complex according to the results of the elemental and spectral studies. Furthermore, the thermal stability and luminescence properties of complexes have been studied. Thermal studies confirmed the presence of water molecules. The thermodynamic properties of the complexes were measured via the Coats-Redfern procedure. The geometric structures of the complexes were found to be octahedral around the metal ions. The optical energy gaps (Eopt) vary between 2.92 and 3.71 eV indicating that these compounds can be used as selective absorbing solar energy in photovoltaic applications. In the presence of NaBH4, the greatest reduction efficiency for the conversion of 2-NP to 2-AP was discovered to be 73-91% within 15-25 min. In vitro, high antifungal and antibacterial activity was shown by complexes than the ligand alone. The Cd(II) complex was shown to have greater activity than all of the examined microorganisms when compared to the reference drug in addition it had 4.94 μg/ml minimal inhibitory concentration against "S. aureus", "B. subtilis", and "E. coli". The bond angles, bond lengths, and quantum chemical factors of the ligand and complexes were shown in the molecular modeling using the DFT approach. The studied compounds' binding modes were confirmed using the Gaussian 09 program.
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Affiliation(s)
- Doaa A. Nassar
- Chemistry Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo, Egypt
| | - Omyma A.M. Ali
- Chemistry Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo, Egypt
| | | | - Abeer S.S. Sayed
- Chemistry Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo, Egypt
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14
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Subhash, Chaudhary A, Mamta, Jyoti. Synthesis, structural characterization, thermal analysis, DFT, biocidal evaluation and molecular docking studies of amide-based Co(II) complexes. Chem Zvesti 2023; 77:1-20. [PMID: 37362794 PMCID: PMC10154188 DOI: 10.1007/s11696-023-02843-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 04/21/2023] [Indexed: 06/28/2023]
Abstract
Abstract Many distinct amino acid and aromatic amine-derived transition metal complexes are used as physiologically active compounds. A few Cobalt (II) complexes have been synthesized by reacting cobalt (II) chloride with 1, 8-diaminonapthalene-based tetraamide macrocyclic ligands in an ethanolic media. These synthesized ligands (TAML1-3) and associated Co(II) complexes were fully characterized with various spectroscopic techniques, such as IR, NMR, CHN analysis, EPR, molar conductance, and magnetic susceptibility measurements, TGA, UV-visible spectra, powder X-ray diffraction and DFT analysis. The IR spectra reveal interactions between the core metal atom and ligands through N of 1, 8-diaminonapthalene. The distorted octahedral geometry of synthesized Co(II) macrocyclic complexes were confirmed by ESR, UV-Vis and DFT studies. The synthesized ligands (TAML1-TAML3) and their Co(II) complexes were tested for antimicrobial activity against A. niger, C. albicans, and F. oxysporum in addition to bacteria like S. aureus, B. subtilis, and Gram-negative bacteria like E. coli. The ligand TAML1 and complex [Co(TAML1)Cl2] showed an excellent antibacterial activity. The minimum inhibitory concentration of TAML1 and [Co(TAML1)Cl2] against S. aureus were found to be 7 mm and 10 mm zone of inhibition at 500 ppm, respectively, compared to drug ampicillin (3 mm). Additionally, each molecule exhibited notable antioxidant activity. The biological significance of the synthesized compounds was then evaluated by molecular docking experiments with the active site of the receptor protein such as Sars-Cov-2, C. Albicans, X. campestris and E. coli. The molecular docking assisted data strongly correlated to the experimental approach of antimicrobial activity. Graphical Abstract Supplementary Information The online version contains supplementary material available at 10.1007/s11696-023-02843-y.
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Affiliation(s)
- Subhash
- Department of Chemistry, Kurukshetra University, Kurukshetra, Haryana 136119 India
| | - Ashu Chaudhary
- Department of Chemistry, Kurukshetra University, Kurukshetra, Haryana 136119 India
| | - Mamta
- Department of Chemistry, Kurukshetra University, Kurukshetra, Haryana 136119 India
| | - Jyoti
- Department of Applied Science, UIET, Kurukshetra University, Kurukshetra, Haryana 136119 India
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15
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Zhan G, Gao B, Zhou J, Liu T, Zheng G, Jin Z, Yao G. Structurally diverse alkaloids with nine frameworks from Zephyranthes candida and their acetylcholinesterase inhibitory and anti-inflammatory activities. Phytochemistry 2023; 207:113564. [PMID: 36535411 DOI: 10.1016/j.phytochem.2022.113564] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 11/26/2022] [Accepted: 12/13/2022] [Indexed: 06/17/2023]
Abstract
Twenty-six structurally diverse Amaryllidaceae alkaloids, including ten undescribed compounds named zephyranines A-I and 6-O-ethylnerinine, two undescribed natural products zephyranthine-6-one and 3-O-deacetyl-sternbergine, were isolated from whole plants of Zephyranthes candida. Their structures were determined by HRESIMS, 1D and 2D NMR, CD data analysis, NMR and ECD calculations, and single-crystal X-ray diffraction analysis. All structures were classified into nine framework types: 10b,11-seco-crinine, graciline, crinine, homolycorine, trisphaeridine, lycorine, galasine, tazettine, and belladine. Zephyranine A represents the first naturally occurring 10b,11-seco-crinine type alkaloid, and zephyranine B is the sixth graciline type alkaloid. 6-O-ethylnerinine is an artifact from the extraction and isolation. All isolates were evaluated for their acetylcholinesterase (AChE) inhibitory and anti-inflammatory activities. Zephyranines A, G, and H exhibited moderate AChE inhibitory activities, with IC50 values of 8.2, 39.0, and 10.8 μM, respectively. Zephyranine B, haemanthamine, haemanthidine, 11-hydroxyvittatine, and 8-demethoxy-10-O-methylhostasine exhibited potent anti-inflammatory activity on the LPS-induced NO production in RAW264.7 mouse macrophages with IC50 values of 21.3, 4.6, 12.2, 5.6, and 17.4 μM, respectively. Structure-activity-relationship analysis and docking studies indicated that interactions with the key Trp286 and Tyr337 residues are required for potent AChE inhibitors.
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Affiliation(s)
- Guanqun Zhan
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Biao Gao
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Junfei Zhou
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Tingting Liu
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Guijuan Zheng
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Zhong Jin
- State Key Laboratory of Elementoorganic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China; Laboratory of Xinjiang Native Medicinal and Edible Plant Resource Chemistry, College of Chemistry and Environmental Science, Kashi University, Kashgar, 844007, China.
| | - Guangmin Yao
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China; Laboratory of Xinjiang Native Medicinal and Edible Plant Resource Chemistry, College of Chemistry and Environmental Science, Kashi University, Kashgar, 844007, China.
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16
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Mitchell SM, Heise RM, Murray ME, Lambo DJ, Daso RE, Banerjee IA. An investigation of binding interactions of tumor-targeted peptide conjugated polyphenols with the kinase domain of ephrin B4 and B2 receptors. Mol Divers 2023:10.1007/s11030-023-10621-x. [PMID: 36847923 PMCID: PMC9969393 DOI: 10.1007/s11030-023-10621-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 02/02/2023] [Indexed: 03/01/2023]
Abstract
Recent studies have shown that Ephrin receptors may be upregulated in several types of cancers including breast, ovarian and endometrial cancers, making them a target for drug design. In this work, we have utilized a target-hopping approach to design new natural product-peptide conjugates and examined their interactions with the kinase-binding domain of EphB4 and EphB2 receptors. The peptide sequences were generated through point mutations of the known EphB4 antagonist peptide TNYLFSPNGPIA. Their anticancer properties and secondary structures were analyzed computationally. Conjugates of most optimum of peptides were then designed by binding the N-terminal of the peptides with the free carboxyl group of the polyphenols sinapate, gallate and coumarate, which are known for their inherent anticancer properties. To investigate if these conjugates have a potential to bind to the kinase domain, we carried out docking studies and MMGBSA free energy calculations of the trajectories based on the molecular dynamics simulations, with both the apo and the ATP bound kinase domains of both receptors. In most cases binding interactions occurred within the catalytic loop region, while in some cases the conjugates were found to spread out across the N-lobe and the DFG motif region. The conjugates were further tested for prediction of pharmacokinetic properties using ADME studies. Our results indicated that the conjugates were lipophilic and MDCK permeable with no CYP interactions. These findings provide an insight into the molecular interactions of these peptides and conjugates with the kinase domain of the EphB4 and EphB2 receptor. As a proof of concept, we synthesized and carried out SPR analysis with two of the conjugates (gallate-TNYLFSPNGPIA and sinapate-TNYLFSPNGPIA). Results indicated that the conjugates showed higher binding with the EphB4 receptor and minimal binding to EphB2 receptor. Sinapate-TNYLFSPNGPIA showed inhibitory activity against EphB4. These studies reveal that some of the conjugates may be developed for further investigation into in vitro and in vivo studies and potential development as therapeutics.
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Affiliation(s)
- Saige M Mitchell
- Department of Chemistry, Fordham University, 441 E. Fordham Rd, Bronx, NY, 10458, USA
| | - Ryan M Heise
- Department of Chemistry, Fordham University, 441 E. Fordham Rd, Bronx, NY, 10458, USA
| | - Molly E Murray
- Department of Chemistry, Fordham University, 441 E. Fordham Rd, Bronx, NY, 10458, USA
| | - Dominic J Lambo
- Department of Chemistry, Fordham University, 441 E. Fordham Rd, Bronx, NY, 10458, USA
| | - Rachel E Daso
- Department of Chemistry, Fordham University, 441 E. Fordham Rd, Bronx, NY, 10458, USA
| | - Ipsita A Banerjee
- Department of Chemistry, Fordham University, 441 E. Fordham Rd, Bronx, NY, 10458, USA.
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17
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Maddipati VC, Mittal L, Kaur J, Rawat Y, Koraboina CP, Bhattacharyya S, Asthana S, Gundla R. Discovery of non-nucleoside oxindole derivatives as potent inhibitors against dengue RNA-dependent RNA polymerase. Bioorg Chem 2023; 131:106277. [PMID: 36444792 DOI: 10.1016/j.bioorg.2022.106277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 10/20/2022] [Accepted: 11/12/2022] [Indexed: 11/21/2022]
Abstract
A series of thiazole linked Oxindole-5-Sulfonamide (OSA) derivatives were designed as inhibitors of RNA-dependent RNA polymerase (RdRp) activity of Dengue virus. These were synthesized and then evaluated for their efficacy in ex-vivo virus replication assay using human cell lines. Among 20 primary compounds in the series, OSA-15 was identified as a hit. A series of analogues were synthesized by replacing the difluoro benzyl group of OSA-15 with different substituted benzyl groups. The efficacy of OSA-15derivatives was less than that of the parent compound, except OSA-15-17, which has shown improved efficacy than OSA-15. The further optimization was carried out by adding dimethyl (DM) groups to both the sulfonamide and oxindole NH's to produce OSA-15-DM and OSA-15-17-DM. These two compounds were showing no detectable cytotoxicity and the latter was more efficacious. Further, both these compounds were tested for inhibition in all the serotypes of the Dengue virus using an ex-vivo assay. The EC50 of OSA-15-17-DM was observed in a low micromolar range between 2.5 and 5.0 µg/ml. Computation docking and molecular dynamics simulation studies confirmed the binding of identified hits to DENV RdRp. OSA15-17-DM blocks the RNA entrance and elongation site for their biological activity with high binding affinity. Overall, the identified oxindole derivatives are novel compounds that can inhibit Dengue replication, working as non-nucleoside inhibitors (NNI) to explore as anti-viral RdRp activity.
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Affiliation(s)
| | - Lovika Mittal
- Translational Health Science and Technology Institute (THSTI), NCR Biotech Science Cluster, 3(rd)Milestone, Faridabad-Gurugram Expressway, Faridabad 121001, Haryana, India
| | - Jaskaran Kaur
- Translational Health Science and Technology Institute (THSTI), NCR Biotech Science Cluster, 3(rd)Milestone, Faridabad-Gurugram Expressway, Faridabad 121001, Haryana, India
| | - Yogita Rawat
- Translational Health Science and Technology Institute (THSTI), NCR Biotech Science Cluster, 3(rd)Milestone, Faridabad-Gurugram Expressway, Faridabad 121001, Haryana, India
| | - Chandra Prakash Koraboina
- Department of Chemistry, School of Science, GITAM (Deemed to be University) Hyderabad, Telangana 502 329, India
| | - Sankar Bhattacharyya
- Translational Health Science and Technology Institute (THSTI), NCR Biotech Science Cluster, 3(rd)Milestone, Faridabad-Gurugram Expressway, Faridabad 121001, Haryana, India.
| | - Shailendra Asthana
- Translational Health Science and Technology Institute (THSTI), NCR Biotech Science Cluster, 3(rd)Milestone, Faridabad-Gurugram Expressway, Faridabad 121001, Haryana, India.
| | - Rambabu Gundla
- Department of Chemistry, School of Science, GITAM (Deemed to be University) Hyderabad, Telangana 502 329, India.
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18
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Mirabile S, Germanò MP, Fais A, Lombardo L, Ricci F, Floris S, Cacciola A, Rapisarda A, Gitto R, De Luca L. Design, Synthesis, and in Vitro Evaluation of 4-(4-Hydroxyphenyl)piperazine-Based Compounds Targeting Tyrosinase. ChemMedChem 2022; 17:e202200305. [PMID: 36093940 PMCID: PMC9828493 DOI: 10.1002/cmdc.202200305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 09/06/2022] [Indexed: 01/12/2023]
Abstract
Melanin biosynthesis is enzymatically regulated by tyrosinase (TYR, EC 1.14.18.1), which is efficiently inhibited by natural and synthetic phenols, demonstrating potential therapeutic application for the treatment of several human diseases. Herein we report the inhibitory effects of a series of (4-(4-hydroxyphenyl)piperazin-1-yl)arylmethanone derivatives, that were designed, synthesised and assayed against TYR from Agaricus bisporus (AbTYR). The best inhibitory activity was predominantly found for compounds bearing selected hydrophobic ortho-substituents on the aroyl moiety (IC50 values in the range of 1.5-4.6 μM). They proved to be more potent than the reference compound kojic acid (IC50 =17.8 μM) and displayed competitive mechanism of inhibition of diphenolase activity of AbTYR. Docking simulation predicted their binding mode into the catalytic cavities of AbTYR and the modelled human TYR. In addition, these compounds displayed antioxidant activity combined with no cytotoxicity in MTT tests. Notably, the best inhibitor affected tyrosinase activity in α-MSH-stimulated B16F10 cells, thus demonstrating anti-melanogenic activity.
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Affiliation(s)
- Salvatore Mirabile
- Department of Chemical, Biological, Pharmaceutical, and Environmental SciencesUniversity of MessinaViale Stagno D'Alcontres 31, Pole Papardo98166MessinaItaly,Foundation Prof. Antonio ImbesiUniversity of MessinaPiazza Pugliatti 198122MessinaItaly
| | - Maria Paola Germanò
- Department of Chemical, Biological, Pharmaceutical, and Environmental SciencesUniversity of MessinaViale Stagno D'Alcontres 31, Pole Papardo98166MessinaItaly
| | - Antonella Fais
- Department of Life and Environment SciencesUniversity of Cagliari09042MonserratoCagliariItaly
| | - Lisa Lombardo
- Department of Chemical, Biological, Pharmaceutical, and Environmental SciencesUniversity of MessinaViale Stagno D'Alcontres 31, Pole Papardo98166MessinaItaly
| | - Federico Ricci
- Department of Chemical, Biological, Pharmaceutical, and Environmental SciencesUniversity of MessinaViale Stagno D'Alcontres 31, Pole Papardo98166MessinaItaly
| | - Sonia Floris
- Department of Life and Environment SciencesUniversity of Cagliari09042MonserratoCagliariItaly
| | - Anna Cacciola
- Department of Chemical, Biological, Pharmaceutical, and Environmental SciencesUniversity of MessinaViale Stagno D'Alcontres 31, Pole Papardo98166MessinaItaly,Foundation Prof. Antonio ImbesiUniversity of MessinaPiazza Pugliatti 198122MessinaItaly
| | - Antonio Rapisarda
- Department of Chemical, Biological, Pharmaceutical, and Environmental SciencesUniversity of MessinaViale Stagno D'Alcontres 31, Pole Papardo98166MessinaItaly
| | - Rosaria Gitto
- Department of Chemical, Biological, Pharmaceutical, and Environmental SciencesUniversity of MessinaViale Stagno D'Alcontres 31, Pole Papardo98166MessinaItaly
| | - Laura De Luca
- Department of Chemical, Biological, Pharmaceutical, and Environmental SciencesUniversity of MessinaViale Stagno D'Alcontres 31, Pole Papardo98166MessinaItaly
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19
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de Faria AC, Daré JK, da Cunha EFF, Freitas MP. In silico modeling of the AHAS inhibition of an augmented series of pyrimidine herbicides and design of novel derivatives. J Mol Graph Model 2022; 116:108242. [PMID: 35671569 DOI: 10.1016/j.jmgm.2022.108242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 05/09/2022] [Accepted: 05/30/2022] [Indexed: 12/14/2022]
Abstract
Pyrimidine compounds comprise a class of acetohydroxyacid synthase (AHAS) inhibitors, thus possessing herbicidal activity. Due to the ongoing development of resistance by weeds to current herbicides, the design of new agrochemical candidates is often required. This work reports the proposition of unprecedented pyrimidines as herbicides guided by quantitative structure-activity relationship (QSAR) modeling. Multivariate image analysis (MIA) descriptors for 66 pyrimidine derivatives obtained from different sources were regressed against inhibitory activity data, and the resulting QSAR models were found to be reliable and predictive (r2 = 0.88 ± 0.07, q2 = 0.53 ± 0.06, and r2pred = 0.51 ± 0.10 in a bootstrapping experiment using electronegativity-based descriptors). The chemical features responsible for the herbicidal activities were analyzed through MIA contour maps that describe the substituent effects on the response variables, whereas the interaction between the proposed compounds and AHAS was analyzed through docking studies. From the proposed compounds, at least five pyrimidine derivatives exhibited promising performance as AHAS inhibitors compared to the known analogs.
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Affiliation(s)
- Adriana C de Faria
- Departamento de Química, Instituto de Ciências Naturais, Universidade Federal de Lavras, 37200-900, Lavras, MG, Brazil
| | - Joyce K Daré
- Departamento de Química, Instituto de Ciências Naturais, Universidade Federal de Lavras, 37200-900, Lavras, MG, Brazil
| | - Elaine F F da Cunha
- Departamento de Química, Instituto de Ciências Naturais, Universidade Federal de Lavras, 37200-900, Lavras, MG, Brazil
| | - Matheus P Freitas
- Departamento de Química, Instituto de Ciências Naturais, Universidade Federal de Lavras, 37200-900, Lavras, MG, Brazil.
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Ejaz SA, Fayyaz A, Mahmood HMK, Aziz M, Ejaz SR, Alkhuriji AF, Al-Megrin WAI, Aborode AT, Batiha GES. 4-Phthalimidobenzenesulfonamide Derivatives as Acetylcholinesterase and Butyrylcholinesterase Inhibitors: DFTs, 3D-QSAR, ADMET, and Molecular Dynamics Simulation. NEURODEGENER DIS 2022; 22:122-138. [PMID: 36288689 DOI: 10.1159/000527516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 09/26/2022] [Indexed: 10/10/2023] Open
Abstract
INTRODUCTION Alzheimer's disease is a form of dementia which affects majority of the people. It is characterized by memory loss and other cognitive function disabilities and is one of the most challenging neurodegenerative disorders to treat because of its progressive nature. The disease affects millions of people all around the world, and the number of those affected is expanding every day. In the previous study, the 4-phthalimidobenzenesulfonamide derivatives were synthesized as AChE and BChE inhibitors, and here, we were aiming to further reporting in silico studies of these compounds for efficient drug discovery process and to find out the potential lead compounds. METHODS In silico characterization included density functional theory (DFT) studies, 3D-QSAR, ADMET properties, molecular docking, and molecular dynamic simulations. The geometries of all derivatives were optimized using B3LYP method and 6-311G basis set. RESULTS The findings of the current study revealed that 4-phthalimidobenzenesulfonamide derivatives exhibited a reactive electronic property which is essential for anticholinesterase activity. Moreover, optimized structures were subjected to molecular docking studies with targeted protein. The compounds 2c and 2g showed excellent binding score of -37.44 and -33.67 kJ/mol with BChE and AChE, respectively, and exhibited strong binding affinity. The potent derivatives produced stable complex with amino acid residues of active pocket of both BChE and AChE. The stability of protein-ligand complexes was determined by molecular dynamic simulation studies, and results were found in correlation with molecular docking findings. CONCLUSION Findings of the current study suggested that these derivatives are potent inhibitors of cholinesterase enzyme.
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Affiliation(s)
- Syeda Abida Ejaz
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Ammara Fayyaz
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Hafiz Mohammad Kashif Mahmood
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Mubashir Aziz
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Syeda Rabia Ejaz
- Department of Physics, The Government Sadiq College Women University, Bahawalpur, Pakistan
| | - Afrah Fahad Alkhuriji
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Wafa Abdullah I Al-Megrin
- Department of Biology, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | | | - Gaber El-Saber Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Damanhour, Egypt
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21
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Beniwal M, Jain N, Jain S, Aggarwal N. Design, synthesis, anticancer evaluation and docking studies of novel 2-(1-isonicotinoyl-3-phenyl-1H-pyrazol-4-yl)-3-phenylthiazolidin-4-one derivatives as Aurora-A kinase inhibitors. BMC Chem 2022; 16:61. [PMID: 35978438 PMCID: PMC9382805 DOI: 10.1186/s13065-022-00852-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 07/26/2022] [Indexed: 11/10/2022] Open
Abstract
INTRODUCTION Aurora-A kinase is associated with the Aurora kinase family which has been considered a striking anticancer target for the treatment of human cancers. OBJECTIVE To design, synthesize, anticancer evaluation, and docking studies of novel 2-(1-isonicotinoyl-3-phenyl-1H-pyrazol-4-yl)-3-phenylthiazolidin-4-one derivatives as Aurora-A Kinase inhibitors. METHOD A total of 21 Pyrazole derivatives P (1-21) were synthesized by using the Vilsmeier Haack reagent which was characterized by FT-IR, 1H NMR, 13C NMR, and Mass spectroscopy. The synthesized derivatives were evaluated for their potential in vitro anticancer activity by MTT assay and Aurora-A kinase inhibition assay. RESULTS The cytotoxicity assay (MTT assay) showed that compound P-6 exhibited potent cytotoxicity (IC50 = 0.37-0.44 μM) against two cancer (HCT 116 and MCF-7) cell lines, which were comparable to the standard compound, VX-680. Compound P-6 also showed inhibition of Aurora-A kinase with an IC50 value of 0.11 ± 0.03 µM. A Docking study was done to compound P-6 and P-20 into the active site of Aurora A kinase, in order to get the probable binding model for further study. CONCLUSION A series of 21 novel pyrazole derivatives P(1-21) were designed, synthesized, in vitro anticancer evaluation, and docking studies for Aurora A kinase inhibition. The results established that P-6 is a prospective aspirant for the development of anticancer agents targeting Aurora-A kinase.
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Affiliation(s)
- Meenu Beniwal
- Department of Pharmaceutical Education & Research, Bhagat Phool Singh Mahila Vishwavidyalaya, Khanpur Kalan, Sonepat, Haryana, 131301, India
| | - Neelam Jain
- Department of Pharmaceutical Education & Research, Bhagat Phool Singh Mahila Vishwavidyalaya, Khanpur Kalan, Sonepat, Haryana, 131301, India
| | - Sandeep Jain
- Department of Pharmaceutical Sciences, Guru Jambheshwar University of Science and Technology, Hisar, Haryana, 125001, India
| | - Navidha Aggarwal
- Department of Pharmaceutical Sciences, Guru Jambheshwar University of Science and Technology, Hisar, Haryana, 125001, India. .,MM College of Pharmacy, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India.
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22
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Choudhary D, Rani I, Monga J, Goyal R, Husain A, Garg P, Khokra SL. Pyrazole Based Furanone Hybrids as Novel Antimalarial: A Combined Experimental, Pharmacological and Computational Study. Cent Nerv Syst Agents Med Chem 2022; 22:39-56. [PMID: 35232355 DOI: 10.2174/1871524922666220301121811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 12/16/2021] [Accepted: 12/27/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Malaria parasite strains are resistant to therapeutic effect of prophylactics medicines presently available. This resistance now poses a significant challenge to researchers within the bid to beat malaria parasitic infections. Strategies such as investigation of newer hybrid chemical entities and specified drug targets may help us to spot new efficient derivatives that bind to the parasites in a more specific manner and inhibit their growth. OBJECTIVE To scientifically perform the experimental, pharmacological, and computational studies of pyrazole-based furanone hybrids as novel antimalarial agents. METHODS A series of new furanone based pyrazole derivatives were synthesized and investigated as potential antimalarial agents by performing in vitro antimalarial activity. To get further optimization, these synthesized derivatives were virtually screened based on ADME-T filters, and molecular docking studies were also accomplished on the crystal structures of Plasmodium falciparum lactate dehydrogenase (PfLDH). Furthermore,the in-silico prediction was supported by performing an LDH assay. RESULTS The docking data suggested that the designed hybrid of furanone-pyrazole may act as PfLDH inhibitors. It was found that the results of experimental in vitro antimalarial activity and in silico analysis correlate well to each other to a good extent. The compounds (7d), (7g), and (8e) were found to be the most potent derivatives with IC50 values of 1.968, 1.983, and 2.069 µg/ml, respectively. CONCLUSION From the results, it may be concluded that compounds that are active in low doses might be adopted as a lead compound for the development of more active antimalarial agents. The synthesized compounds (7d), (7g), and (8e) exhibited good antimalarial activity with PfLDH inhibition. The best compounds can be explored further in the future for designing the potent inhibitors of PfLDH as new potent antimalarial agents.
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Affiliation(s)
- Deepika Choudhary
- Institute of Pharmaceutical Sciences, Kurukshetra University Kurukshetra-136119, Haryana, India
| | - Isha Rani
- MM College of Pharmacy, Maharishi Markandeshwar(Deemed to be University), Mullana, Ambala-133207, Haryana, India
| | - Jyoti Monga
- Choudhary Devilal college of Pharmacy, Bhagwangarh, Jagadhari-135001, Haryana, India
| | - Rajat Goyal
- MM School of Pharmacy, Maharishi Markandeshwar University, Sadopur, Ambala-134007, Haryana, India
| | - Asif Husain
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jamia Hamdard (Hamdard University), New Delhi-110064, India
| | - Prabha Garg
- Department of Pharmacoinformatics, National Institute of Pharmaceutical Education and Research (NIPER), Sector-67, S.A.S. Nagar-160062, Punjab, India
| | - Sukhbir Lal Khokra
- Institute of Pharmaceutical Sciences, Kurukshetra University Kurukshetra-136119, Haryana, India
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Demuro S, Sauvey C, Tripathi SK, Di Martino RMC, Shi D, Ortega JA, Russo D, Balboni B, Giabbai B, Storici P, Girotto S, Abagyan R, Cavalli A. ARN25068, a versatile starting point towards triple GSK-3β/FYN/DYRK1A inhibitors to tackle tau-related neurological disorders. Eur J Med Chem 2022; 229:114054. [PMID: 34959172 PMCID: PMC9704499 DOI: 10.1016/j.ejmech.2021.114054] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 12/07/2021] [Accepted: 12/13/2021] [Indexed: 12/11/2022]
Abstract
The human kinome plays a crucial role in several pathways. Its dysregulation has been linked to diverse central nervous system (CNS)-related disorders with a drastic impact on the aging population. Among them, tauopathies, such as Alzheimer's Disease (AD) and Frontotemporal Lobar degeneration (FTLD-tau), are neurodegenerative disorders pathologically defined by the presence of hyperphosphorylated tau-positive intracellular inclusions known as neurofibrillary tangles (NFTs). Compelling evidence has reported the great potential of the simultaneous modulation of multiple protein kinases (PKs) involved in abnormal tau phosphorylation through a concerted pharmacological approach to achieve a superior therapeutic effect relative to classic "one target, one drug" approaches. Here, we report on the identification and characterization of ARN25068 (4), a low nanomolar and well-balanced dual GSK-3β and FYN inhibitor, which also shows inhibitory activity against DYRK1A, an emerging target in AD and tauopathies. Computational and X-Ray studies highlight compound 4's typical H-bonding pattern of ATP-competitive inhibitors at the binding sites of all three PKs. In a tau phosphorylation assay on Tau0N4R-TM-tGFP U2OS cell line, 4 reduces the extent of tau phosphorylation, promoting tau-stabilized microtubule bundles. In conclusion, this compound emerges as a promising prototype for further SAR explorations to develop potent and well-balanced triple GSK-3β/FYN/DYRK1A inhibitors to tackle tau hyperphosphorylation.
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Affiliation(s)
- Stefania Demuro
- Computational and Chemical Biology, Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genoa, Italy; Department of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro 6, 40126, Bologna, Italy
| | - Conall Sauvey
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA, 92093, United States
| | - Shailesh K Tripathi
- Computational and Chemical Biology, Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genoa, Italy
| | - Rita M C Di Martino
- Computational and Chemical Biology, Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genoa, Italy
| | - Da Shi
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA, 92093, United States
| | - Jose A Ortega
- Computational and Chemical Biology, Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genoa, Italy
| | - Debora Russo
- D3 PharmaChemistry, Istituto Italiano di Tecnologia, Via Morego, 30, 16163, Genoa, Italy
| | - Beatrice Balboni
- Computational and Chemical Biology, Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genoa, Italy; Department of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro 6, 40126, Bologna, Italy
| | - Barbara Giabbai
- Protein Facility, Elettra Sincrotrone Trieste S.C.p.A., SS 14 - Km 163, 5 in AREA Science Park, 34149, Trieste, Italy
| | - Paola Storici
- Protein Facility, Elettra Sincrotrone Trieste S.C.p.A., SS 14 - Km 163, 5 in AREA Science Park, 34149, Trieste, Italy
| | - Stefania Girotto
- Computational and Chemical Biology, Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genoa, Italy
| | - Ruben Abagyan
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA, 92093, United States.
| | - Andrea Cavalli
- Computational and Chemical Biology, Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genoa, Italy; Department of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro 6, 40126, Bologna, Italy.
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Vrabec R, Maříková J, Ločárek M, Korábečný J, Hulcová D, Hošťálková A, Kuneš J, Chlebek J, Kučera T, Hrabinová M, Jun D, Soukup O, Andrisano V, Jenčo J, Šafratová M, Nováková L, Opletal L, Cahlíková L. Monoterpene indole alkaloids from Vinca minor L. (Apocynaceae): Identification of new structural scaffold for treatment of Alzheimer's disease. Phytochemistry 2022; 194:113017. [PMID: 34798410 DOI: 10.1016/j.phytochem.2021.113017] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/25/2021] [Accepted: 11/09/2021] [Indexed: 05/24/2023]
Abstract
One undescribed indole alkaloid together with twenty-two known compounds have been isolated from aerial parts of Vinca minor L. (Apocynaceae). The chemical structures of the isolated alkaloids were determined by a combination of MS, HRMS, 1D, and 2D NMR techniques, and by comparison with literature data. The NMR data of several alkaloids have been revised, corrected, and missing data have been supplemented. Alkaloids isolated in sufficient quantity were screened for their in vitro acetylcholinesterase (AChE; E.C. 3.1.1.7) and butyrylcholinesterase (BuChE; E.C. 3.1.1.8) inhibitory activity. Selected compounds were also evaluated for prolyl oligopeptidase (POP; E.C. 3.4.21.26), and glycogen synthase 3β-kinase (GSK-3β; E.C. 2.7.11.26) inhibition potential. Significant hBuChE inhibition activity has been shown by (-)-2-ethyl-3[2-(3-ethylpiperidinyl)-ethyl]-1H-indole with an IC50 value of 0.65 ± 0.16 μM. This compound was further studied by enzyme kinetics, along with in silico techniques, to reveal the mode of inhibition. This compound is also predicted to cross the blood-brain barrier (BBB) through passive diffusion.
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Affiliation(s)
- Rudolf Vrabec
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05, Hradec Kralove, Czech Republic; Department of Pharmacognosy, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05, Hradec Kralove, Czech Republic
| | - Jana Maříková
- Department of Bioorganic and Organic Chemistry, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05, Hradec Kralove, Czech Republic
| | - Miroslav Ločárek
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05, Hradec Kralove, Czech Republic
| | - Jan Korábečný
- Department of Toxicology and Military Pharmacy, Trebesska 1575, 500 05, Hradec Kralove, Czech Republic; Biomedical Research Centre, University Hospital Hradec Kralove, Sokolska 581, 500 05, Hradec Kralove, Czech Republic
| | - Daniela Hulcová
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05, Hradec Kralove, Czech Republic; Department of Pharmacognosy, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05, Hradec Kralove, Czech Republic
| | - Anna Hošťálková
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05, Hradec Kralove, Czech Republic
| | - Jiří Kuneš
- Department of Bioorganic and Organic Chemistry, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05, Hradec Kralove, Czech Republic
| | - Jakub Chlebek
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05, Hradec Kralove, Czech Republic
| | - Tomáš Kučera
- Department of Toxicology and Military Pharmacy, Trebesska 1575, 500 05, Hradec Kralove, Czech Republic
| | - Martina Hrabinová
- Department of Toxicology and Military Pharmacy, Trebesska 1575, 500 05, Hradec Kralove, Czech Republic
| | - Daniel Jun
- Department of Toxicology and Military Pharmacy, Trebesska 1575, 500 05, Hradec Kralove, Czech Republic
| | - Ondřej Soukup
- Department of Toxicology and Military Pharmacy, Trebesska 1575, 500 05, Hradec Kralove, Czech Republic; Biomedical Research Centre, University Hospital Hradec Kralove, Sokolska 581, 500 05, Hradec Kralove, Czech Republic
| | - Vincenza Andrisano
- Department for Life Quality Studies, University of Bologna, 47921, Rimini, Italy
| | - Jaroslav Jenčo
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05, Hradec Kralove, Czech Republic
| | - Marcela Šafratová
- Department of Pharmacognosy, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05, Hradec Kralove, Czech Republic
| | - Lucie Nováková
- Department of Analytical Chemistry, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05, Hradec Kralove, Czech Republic
| | - Lubomír Opletal
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05, Hradec Kralove, Czech Republic
| | - Lucie Cahlíková
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05, Hradec Kralove, Czech Republic.
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Nehra B, Mathew B, A Chawla P. A medicinal chemist's perspective towards structure activity relationship of heterocycle based anti-cancer agents. Curr Top Med Chem 2022; 22:493-528. [PMID: 35021975 DOI: 10.2174/1568026622666220111142617] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 12/13/2021] [Accepted: 12/27/2021] [Indexed: 11/22/2022]
Abstract
AIM To describe structure activity relationship of heterocyclic derivatives with multi-targeted anticancer activity. OBJECTIVES With the following goals in mind, this review tries to describe significant recent advances in the medicinal chemistry of heterocycle-based compounds: (1) To shed light on recent literature focused on heterocyclic derivatives' anticancer potential; (2) To discuss recent advances in the medicinal chemistry of heterocyclic derivatives, as well as their biological implications for cancer eradication; (3) To summarise the comprehensive correlation of structure activity relationship (SAR) with pharmacological outcomes in cancer therapy. BACKGROUND Cancer remains one of the major serious health issues devastating the world today. Cancer is a complex disease in which improperly altered cells proliferate at an uncontrolled, rapid, and severe rate. Variables such as poor dietary habits, high stress, age, and smoking, can all contribute to the development of cancer. Cancer can affect almost any organ or tissue, although the brain, breast, liver, and colon are the most frequently affected organs. From several years, surgical operations and irradiation are in use along with chemotherapy as a primary treatment of cancer but still effective treatment of cancer remains a huge challenge. Chemotherapy is now one of the most effective strategies to eradicate cancer, although it has been shown to have a number of cytotoxic and unfavourable effects on normal cells. Despite all of these cancer treatments, there are several other targets for anticancer drugs. Cancer can be effectively eradicated by focusing on these targets, which include both cell-specific and receptor-specific targets such as tyrosine kinase receptors (TKIs). Heterocyclic scaffolds also have a variety of applications in drug development and are a common moiety in the pharmaceutical, agrochemical, and textile industries. METHODS The association between structural activity relationship data of many powerful compounds and their anticancer potential in vitro and in vivo has been studied. SAR of powerful heterocyclic compounds can also be generated using molecular docking simulations, as reported vastly in literature. CONCLUSIONS Heterocycles have a wide range of applications, from natural compounds to synthesised derivatives with powerful anticancer properties. To avoid cytotoxicity or unfavourable effects on normal mammalian cells due to a lack of selectivity towards the target site, as well as to reduce the occurrence of drug resistance, safer anticancer lead compounds with higher potency and lower cytotoxicity are needed. This review emphasizes on design and development of heterocyclic lead compounds with promising anticancer potential.
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Affiliation(s)
- Bhupender Nehra
- University College of Pharmacy, Guru Kashi University, Talwandi Sabo, Bathinda, Punjab-151302, India
| | - Bijo Mathew
- Dept. of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Sciences Campus, Kochi-682041, India
| | - Pooja A Chawla
- Department of Pharmaceutical Chemistry and Analysis, ISF College of Pharmacy, Moga-142001, India
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Maafi N, Pidaný F, Maříková J, Korábečný J, Hulcová D, Kučera T, Schmidt M, Shammari LA, Špulák M, Carmen Catapano M, Mecava M, Prchal L, Kuneš J, Janoušek J, Kohelová E, Jenčo J, Nováková L, Cahlíková L. Derivatives of montanine-type alkaloids and their implication for the treatment of Alzheimer's disease: Synthesis, biological activity and in silico study. Bioorg Med Chem Lett 2021; 51:128374. [PMID: 34555506 DOI: 10.1016/j.bmcl.2021.128374] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/02/2021] [Accepted: 09/15/2021] [Indexed: 11/18/2022]
Abstract
Alzheimeŕs disease (AD) is the most common neurodegenerative disorder, characterized by neuronal loss and cognitive impairment. Currently, very few drugs are available for AD treatment, and a search for new therapeutics is urgently needed. Thus, in the current study, twenty-eight new derivatives of montanine-type Amaryllidaceae alkaloids were synthesized and evaluated for their ability to inhibit human recombinant acetylcholinesterase (hAChE) and butyrylcholinesterase (hBuChE). Three derivatives (1n, 1o, and 1p) with different substitution patterns demonstrated significant selective inhibitory potency for hAChE (IC50 < 5 µM), and one analog, 1v, showed selective hBuChE inhibition activity (IC50 = 1.73 ± 0.05 µM). The prediction of CNS availability, as disclosed by the BBB score, suggests that the active compounds in this survey should be able pass through the blood-brain barrier (BBB). Cytotoxicity screening and docking studies were carried out for the two most pronounced cholinesterase inhibitors, 1n and 1v.
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Affiliation(s)
- Negar Maafi
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Filip Pidaný
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Jana Maříková
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic; Department of Bioorganic and Organic Chemistry, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Jan Korábečný
- Department of Toxicology and Military Pharmacy, Trebesska 1575, 500 05 Hradec Kralove, Czech Republic; Biomedical Research Centre, University Hospital Hradec Kralove, Sokolska 581, 500 05 Hradec Kralove, Czech Republic
| | - Daniela Hulcová
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic; Department of Pharmacognosy, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Tomáš Kučera
- Department of Toxicology and Military Pharmacy, Trebesska 1575, 500 05 Hradec Kralove, Czech Republic
| | - Monika Schmidt
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Rokitanskeho 62, 500 03 Hradec Kralove, Czech Republic
| | - Latifah Al Shammari
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Marcel Špulák
- Department of Bioorganic and Organic Chemistry, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Maria Carmen Catapano
- Department of Analytical Chemistry, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Marko Mecava
- Biomedical Research Centre, University Hospital Hradec Kralove, Sokolska 581, 500 05 Hradec Kralove, Czech Republic
| | - Lukáš Prchal
- Biomedical Research Centre, University Hospital Hradec Kralove, Sokolska 581, 500 05 Hradec Kralove, Czech Republic
| | - Jiří Kuneš
- Department of Bioorganic and Organic Chemistry, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Jiří Janoušek
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic; Department of Pharmacognosy, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Eliška Kohelová
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Jaroslav Jenčo
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Lucie Nováková
- Department of Analytical Chemistry, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Lucie Cahlíková
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic.
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Poonia N, Lal K, Kumar A, Kumar A, Sahu S, Baidya ATK, Kumar R. Urea-thiazole/benzothiazole hybrids with a triazole linker: synthesis, antimicrobial potential, pharmacokinetic profile and in silico mechanistic studies. Mol Divers 2021; 26:2375-2391. [PMID: 34671895 DOI: 10.1007/s11030-021-10336-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 09/30/2021] [Indexed: 01/13/2023]
Abstract
Some urea-thiazole/benzothiazole hybrids with a triazole linker were synthesized via Cu(I)-catalysed click reaction. After successfully analysed by various spectral techniques including FTIR, NMR and HRMS, antimicrobial screening of the synthesized hybrids along with their precursors was carried out against two Gram (+) bacteria (Staphylococcus aureus and Bacillus endophyticus), two Gram (-) bacteria (Escherichia coli and Pseudomonas fluorescens) and two fungi (Candida albicans and Rhizopus oryzae). All the synthesized compounds (4a-4l) displayed better biological response than the standard fluconazole against both of the tested fungi. Compounds 4h and 4j were found to be the most active compounds against R. oryzae and C. albicans, respectively. Molecular docking of hybrid 4j and its alkyne precursor 1b in the active site of C. albicans target sterol 14-α demethylase was also performed and was also supported by molecular dynamics studies. In silico ADME prediction of synthesized urea-thiazole/benzothiazole hybrids with a triazole linker and their alkyne precursors was also predicted.
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Affiliation(s)
- Nisha Poonia
- Department of Chemistry, Guru Jambheshwar University of Science and Technology, Hisar, Haryana, 125001, India
| | - Kashmiri Lal
- Department of Chemistry, Guru Jambheshwar University of Science and Technology, Hisar, Haryana, 125001, India.
| | - Ashwani Kumar
- Department of Pharmaceutical Sciences, Guru Jambheshwar University of Science and Technology, Hisar, Haryana, 125001, India
| | - Anil Kumar
- Department of Bio and Nano Technology, Guru Jambheshwar University of Science and Technology, Hisar, Haryana, 125001, India
| | - Srikanta Sahu
- Department of Chemistry, Centurion University of Technology and Management, Jatni, Odisha, 752050, India
| | - Anurag T K Baidya
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology, (B.H.U.), U.P., Varanasi, 221005, India
| | - Rajnish Kumar
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology, (B.H.U.), U.P., Varanasi, 221005, India
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Bondžić AM, Žakula JJ, Korićanac LB, Keta OD, Janjić GV, Đorđević IS, Rajković SU. Cytotoxic activity and influence on acetylcholinesterase of series dinuclear platinum(II) complexes with aromatic nitrogen-containing heterocyclic bridging ligands: Insights in the mechanisms of action. Chem Biol Interact 2021; 351:109708. [PMID: 34666020 DOI: 10.1016/j.cbi.2021.109708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 09/30/2021] [Accepted: 10/13/2021] [Indexed: 11/27/2022]
Abstract
Herein, the stability, lipophilicity, in vitro cytotoxicity, and influence on acetylcholinesterase of five dinuclear platinum(II) complexes with the general formula [{Pt(en)Cl}2(μ-L)]2+ (L is a different aromatic nitrogen-containing heterocyclic bridging ligands pyrazine (pz, Pt1), pyridazine (pydz, Pt2), quinoxaline (qx, Pt3), phthalazine (phtz, Pt4) and quinazoline (qz, Pt5), while en is bidentate coordinated ethylenediamine) were evaluated. The most active analyzed platinum complexes induced time-dependent growth inhibition of A375, HeLa, PANC-1, and MRC-5 cells. The best efficiency was achieved on HeLa and PANC-1 cells for Pt1, Pt2, and Pt3 at the highest concentration, while Pt1 was significantly more potent than cisplatin at a lower concentration. Additionally, a lower effect on normal cells was observed compared to cisplatin, which may indicate potentially fewer side effects of these complexes. Selected complexes induce reactive oxygen species and apoptosis on tumor cell lines. The most potent reversible acetylcholinesterase (AChE) inhibitors were Pt2, Pt4, and Pt5. Pt1 showed similar inhibitory potential toward AChE as cisplatin, but a different type of inhibition, which could contribute to lower neurotoxicity. Docking studies revealed that Pt2 and Pt4 were bound to the active gorge above the catalytic triad. In contrast, the other complexes were bound to the edge of the active gorge without impeding the approach to the catalytic triad. According to this, Pt1 represents a promising compound with potent anticancer properties, high selectivity, and low neurotoxicity.
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Affiliation(s)
- Aleksandra M Bondžić
- Vinča Institute of Nuclear Sciences, National Institute of thе Republic of Serbia, University of Belgrade, P.O. Box 522, 11000 Belgrade, Serbia.
| | - Jelena J Žakula
- Vinča Institute of Nuclear Sciences, National Institute of thе Republic of Serbia, University of Belgrade, P.O. Box 522, 11000 Belgrade, Serbia
| | - Lela B Korićanac
- Vinča Institute of Nuclear Sciences, National Institute of thе Republic of Serbia, University of Belgrade, P.O. Box 522, 11000 Belgrade, Serbia
| | - Otilija D Keta
- Vinča Institute of Nuclear Sciences, National Institute of thе Republic of Serbia, University of Belgrade, P.O. Box 522, 11000 Belgrade, Serbia
| | - Goran V Janjić
- Institute of Chemistry, Technology and Metallurgy, National Institute of the Republic of Serbia, University of Belgrade, Njegoševa 12, 11000 Belgrade, Serbia
| | - Ivana S Đorđević
- Institute of Chemistry, Technology and Metallurgy, National Institute of the Republic of Serbia, University of Belgrade, Njegoševa 12, 11000 Belgrade, Serbia
| | - Snežana U Rajković
- Department of Chemistry, Faculty of Science, University of Kragujevac, R. Domanovića 12, P.O. Box 60, 34000 Kragujevac, Serbia
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Mirabile S, Vittorio S, Paola Germanò M, Adornato I, Ielo L, Rapisarda A, Gitto R, Pintus F, Fais A, De Luca L. Evaluation of 4-(4-Fluorobenzyl)piperazin-1-yl]-Based Compounds as Competitive Tyrosinase Inhibitors Endowed with Antimelanogenic Effects. ChemMedChem 2021; 16:3083-3093. [PMID: 34223697 PMCID: PMC8518915 DOI: 10.1002/cmdc.202100396] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 07/02/2021] [Indexed: 11/11/2022]
Abstract
There is a considerable attention for the development of inhibitors of tyrosinase (TYR) as therapeutic strategy for the treatment of hyperpigmentation disorders in humans. Continuing in our efforts to identify TYR inhibitors, we describe the design, synthesis and pharmacophore exploration of new small molecules structurally characterized by the presence of the 4-fluorobenzylpiperazine moiety as key pharmacophoric feature for the inhibition of TYR from Agaricus bisporus (AbTYR). Our investigations resulted in the discovery of the competitive inhibitor [4-(4-fluorobenzyl)piperazin-1-yl]-(3-chloro-2-nitro-phenyl)methanone 26 (IC50 =0.18 μM) that proved to be ∼100-fold more active than reference compound kojic acid (IC50 =17.76 μM). Notably, compound 26 exerted antimelanogenic effect on B16F10 cells in absence of cytotoxicity. Docking analysis suggested its binding mode into AbTYR and into modelled human TYR.
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Affiliation(s)
- Salvatore Mirabile
- Department of ChemicalBiological, Pharmaceutical and Environmental SciencesUniversity of MessinaViale Palatucci 1398168MessinaItaly
| | - Serena Vittorio
- Department of ChemicalBiological, Pharmaceutical and Environmental SciencesUniversity of MessinaViale Palatucci 1398168MessinaItaly
| | - Maria Paola Germanò
- Department of ChemicalBiological, Pharmaceutical and Environmental SciencesUniversity of MessinaViale Palatucci 1398168MessinaItaly
| | - Ilenia Adornato
- Department of ChemicalBiological, Pharmaceutical and Environmental SciencesUniversity of MessinaViale Palatucci 1398168MessinaItaly
| | - Laura Ielo
- Department of ChemistryUniversity of TurinVia P. Giuria 710125TurinItaly
| | - Antonio Rapisarda
- Department of ChemicalBiological, Pharmaceutical and Environmental SciencesUniversity of MessinaViale Palatucci 1398168MessinaItaly
| | - Rosaria Gitto
- Department of ChemicalBiological, Pharmaceutical and Environmental SciencesUniversity of MessinaViale Palatucci 1398168MessinaItaly
| | - Francesca Pintus
- Department of Life and Environment SciencesUniversity of Cagliari09042MonserratoCagliariItaly
| | - Antonella Fais
- Department of Life and Environment SciencesUniversity of Cagliari09042MonserratoCagliariItaly
| | - Laura De Luca
- Department of ChemicalBiological, Pharmaceutical and Environmental SciencesUniversity of MessinaViale Palatucci 1398168MessinaItaly
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Liu XJ, Wang Y, Wang X, Zhang ZH. Synthesis, in vitro cytotoxicity and biological evaluation of twenty novel 1,3-benzenedisulfonyl piperazines as antiplatelet agents. Bioorg Med Chem 2021; 46:116390. [PMID: 34500186 DOI: 10.1016/j.bmc.2021.116390] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Revised: 08/23/2021] [Accepted: 08/25/2021] [Indexed: 10/20/2022]
Abstract
In order to discover antiplatelet drug with novel structure and expand our research scope, total twenty 1,3-benzenedisulfonyl piperazines, were designed and synthesized. These target compounds were divided into two series, namely 4-methoxy-1,3-benzenedisulfonyl piperazines of series 1 and 4-ethoxy-1,3-benzenedisulfonyl piperazines of series 2. With adenosine diphosphate (ADP), arachidonic acid (AA) and collagen as inducers, respectively, the Born turbidimetric method was used to screen the antiplatelet activity in vitro of all target compounds at a concentration of 1.3 μM, with aspirin and picotamide as positive control drugs. And of which, the activities of five compounds for collagen were higher than both picotamide and aspirin. In ADP or AA channel, compounds with an inhibition rate greater than 33% were selected, and their corresponding IC50 values were obtained. According to the IC50, the in vitro activity of one compound for ADP was higher than picotamide, and for AA, two compounds were higher than two positive control drugs and other two compounds only higher than or equal to aspirin. The preliminary analysis of the structure-activity relationship of the target compounds involved in this study was completed. Further, eight compounds exhibiting higher activity in one or two test channels, were subjected to cytotoxicity test on mouse fibroblasts (L929) by CCK-8 method. The in vitro cytotoxicity of most test compounds showed less than or same to control drug picotamide at 10 μM, but at the higher concentration of 100 μM, merely two compounds exhibited higher cell survival rate than that of picotamide. In addition, compound N1,N3-di(4-ethoxy-1,3-phenylenedisulfonyl)bis(1-(m-tolyl)piperazine), which is delivery activity in the three test channels, and another compound N1,N3-di(4-methoxy-1,3-phenylenedisulfonyl)bis(1-(m-tolyl)piperazine), which has the lowest cytotoxic in vitro compound among series 1 and series 2, respectively, are found and selected for simulation analysis as two most likely to dock with the receptor P2Y12. Each of synthesized compounds in silico molecular property and ADME (absorption, distribution, metabolism and excretion) are predicted by using Molinspiration property engine v2018.10 and PreADMET online servers, respectively. Compared with other series of compounds in the previous stage, the two series compounds obtained after the introduction of piperazinyl have a similar in vitro activity.
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Affiliation(s)
- Xiu-Jie Liu
- School of Chemistry and Chemical Engineering, Tianjin University of Technology, 300384 Tianjin, China; Tianjin Key Laboratory of Drug Targeting and Bioimaging, Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, 300384 Tianjin, China.
| | - Yan Wang
- School of Chemistry and Chemical Engineering, Tianjin University of Technology, 300384 Tianjin, China; Asymchem Laboratories (Tianjin) Co., Ltd., Tianjin 300457, China
| | - Xiao Wang
- School of Chemistry and Chemical Engineering, Tianjin University of Technology, 300384 Tianjin, China
| | - Zhi-Hao Zhang
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China.
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Vijeesh V, Jisha N, Vysakh A, Latha MS. Interaction of eugenol with xanthine oxidase: Multi spectroscopic and in silico modelling approach. Spectrochim Acta A Mol Biomol Spectrosc 2021; 258:119843. [PMID: 33933941 DOI: 10.1016/j.saa.2021.119843] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 03/04/2021] [Accepted: 04/12/2021] [Indexed: 06/12/2023]
Abstract
Eugenol, a major component in clove has various biological activities. The current study focused to the binding potential of eugenol with Xanthine oxidase (XO) were evaluated using multi spectroscopic techniques and in silico docking studies. Xanthine oxidase, a superoxide generating enzyme, catalyses hypoxanthine and xanthine to uric acid. An excessive uric acid and superoxide anion radical in our body causes many serious clinical complications. The activity and the structural alterations can be a significant method to reduce this kind of risk factors. The results obtained from the fluorescence titration exhibited the interactions initiated by a static quenching mechanism. The ultraviolet (UV), fourier-transform infrared (FTIR), circular dichroism (CD) spectroscopic analysis of eugenol bind with XO indicated the secondary structural alteration in XO. Docking studies showed molecular level interaction of eugenol with the amino acid residues of Thr 1010, Phe 914, Phe 1009, Leu 1014, Phe 1009, Val 1011, Arg 880, Ala 1078, Glu 802, Leu 648and Leu 873 which residing at the catalytic active site of the XO. These results inferred that the eugenol can interact with XO in a remarkable manner and these findings provide a supporting data for the XO inhibition studies to propose a new lead compound.
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Affiliation(s)
- V Vijeesh
- School of Biosciences, Mahatma Gandhi University, Priyadarshini Hills, Kottayam, Kerala, India
| | - Ninan Jisha
- School of Biosciences, Mahatma Gandhi University, Priyadarshini Hills, Kottayam, Kerala, India
| | - A Vysakh
- School of Biosciences, Mahatma Gandhi University, Priyadarshini Hills, Kottayam, Kerala, India
| | - M S Latha
- School of Biosciences, Mahatma Gandhi University, Priyadarshini Hills, Kottayam, Kerala, India.
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Thirumalaisamy R, Aroulmoji V, Iqbal MN, Deepa M, Sivasankar C, Khan R, Selvankumar T. Molecular insights of hyaluronic acid-hydroxychloroquine conjugate as a promising drug in targeting SARS-CoV-2 viral proteins. J Mol Struct 2021; 1238:130457. [PMID: 33867575 PMCID: PMC8041731 DOI: 10.1016/j.molstruc.2021.130457] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 04/05/2021] [Accepted: 04/07/2021] [Indexed: 12/16/2022]
Abstract
In-silico anti-viral activity of Hydroxychloroquine (HCQ) and its Hyaluronic Acid-derivative (HA-HCQ) towards different SARS-CoV-2 protein molecular targets were studied. Four different SARS-CoV-2 proteins molecular target i.e., three different main proteases and one helicase were chosen for In-silico anti-viral analysis. The HA-HCQ conjugates exhibited superior binding affinity and interactions with all the screened SAR-CoV-2 molecular target proteins with the exception of a few targets. The study also revealed that the HA-HCQ conjugate has multiple advantages of efficient drug delivery to its CD44 variant isoform receptors of the lower respiratory tract, highest interactive binding affinity with SARS-CoV-2 protein target. Moreover, the HA-HCQ drug conjugate possesses added advantages of good biodegradability, biocompatibility, non-toxicity and non-immunogenicity. The prominent binding ability of HA-HCQ conjugate towards Mpro (PDB ID 5R82) and Helicase (PDB ID 6ZSL) target protein as compared with HCQ alone was proven through MD simulation analysis. In conclusion, our study suggested that further in-vitro and in-vivo examination of HA-HCQ drug conjugate will be useful to establish a promising early stage antiviral drug for the novel treatment of COVID-19.
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Affiliation(s)
- R. Thirumalaisamy
- Department of Biotechnology, Mahendra Arts & Science College (Autonomous), Namakkal (Dt.) - 637 501, Tamil Nadu, India,Department of Biotechnology, Sona College of Arts and Science, Salem (Dt.) -636 005, Tamil Nadu, India
| | - V. Aroulmoji
- Centre for Research & Development, Mahendra Engineering College (Autonomous), Mallasamudram, Namakkal (Dt.) - 637 503, Tamil Nadu, India,Corresponding author
| | - Muhammad Nasir Iqbal
- Department of Biosciences, COMSATS University, Islamabad Campus, Islamabad, Pakistan
| | - M. Deepa
- Postgraduate and Research Department of Chemistry, Muthurangam Govt. Arts College, Vellore, India
| | - C. Sivasankar
- Catalysis and Energy Laboratory, Department of Chemistry, Pondicherry University, R.V.Nagar, Kalapet, Pondicherry, 605014, India
| | - Riaz Khan
- Rumsey, Old Bath Road, Sonning, Berkshire, RG4 6TA, England, United Kingdom
| | - T. Selvankumar
- Department of Biotechnology, Mahendra Arts & Science College (Autonomous), Namakkal (Dt.) - 637 501, Tamil Nadu, India
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Elekofehinti OO, Iwaloye O, Molehin OR, Famusiwa CD. Identification of lead compounds from large natural product library targeting 3C-like protease of SARS-CoV-2 using E-pharmacophore modelling, QSAR and molecular dynamics simulation. In Silico Pharmacol 2021; 9:49. [PMID: 34395160 DOI: 10.1007/s40203-021-00109-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 07/21/2021] [Indexed: 12/15/2022] Open
Abstract
COVID-19 is a novel disease caused by SARS-CoV-2 and has made a catastrophic impact on the global economy. As it is, there is no officially FDA approved drug to alleviate the negative impact of SARS-CoV-2 on human health. Numerous drug targets for neutralizing coronavirus infection have been identified, among them is 3-chymotrypsin-like-protease (3CLpro), a viral protease responsible for the viral replication is chosen for this study. This study aimed at finding novel inhibitors of SARS-CoV-2 3C-like protease from the natural library using computational approaches. A total of 69,000 compounds from natural product library were screened to match a minimum of 3 features from the five sites e-pharmacophore model. Compounds with fitness score of 1.00 and above were consequently filtered by executing molecular docking studies via Glide docking algorithm. Qikprop also predicted the compounds drug-likeness and pharmacokinetic features; besides, the QSAR model built from KPLS analysis with radial as binary fingerprint was used to predict the compounds inhibition properties against SARS-CoV-2 3C-like protease. Fifty ns molecular dynamics (MD) simulation was carried out using GROMACS software to understand the dynamics of binding. Nine (9) lead compounds from the natural products library were discovered; seven among them were found to be more potent than lopinavir based on energies of binding. STOCK1N-98687 with docking score of -9.295 kcal/mol had considerable predicted bioactivity (4.427 µM) against SARS-CoV-2 3C-like protease and satisfactory drug-like features than the experimental drug lopinavir. Post-docking analysis by MM-GBSA confirmed the stability of STOCK1N-98687 bound 3CLpro crystal structure. MD simulation of STOCKIN-98687 with 3CLpro at 50 ns showed high stability and low fluctuation of the complex. This study revealed compound STOCK1N-98687 as potential 3CLpro inhibitor; therefore, a wet experiment is worth exploring to confirm the therapeutic potential of STOCK1N-98687 as an antiviral agent.
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Singh VJ, Sharma B, Chawla PA. Recent developments in mitogen activated protein kinase inhibitors as potential anticancer agents. Bioorg Chem 2021; 114:105161. [PMID: 34328852 DOI: 10.1016/j.bioorg.2021.105161] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 07/06/2021] [Accepted: 07/07/2021] [Indexed: 01/06/2023]
Abstract
The mitogen activated protein kinase (MAPK) belongs to group of kinase that links the extracellular stimuli to intracellular response. The MAPK signalling pathway (RAS-RAF-MEK-ERK) involved in different pathological conditions like cancer, caused due to genetic or any other factor such as physical or environmental. Many studies have been conducted on the pathological view of MAPK cascade and its associated element like RAS, RAF, MEK, ERK or its isoforms, and still the research is going on particularly with respect to its activation, regulation and inhibition. The MAPK signalling pathway has become the area of research to identify new target for the management of cancer. A number of heterocyclics are key to fight with the cancer associated with these enzymes thus give some hope in the management of cancer by inhibiting MAPK cascade. In the present article, we have focussed on MAPK signalling pathway and role of different heterocyclic scaffolds bearing nitrogen, sulphur and oxygen and about their potential to block MAPK signalling pathway. The heterocyclics are gaining importance due to high potency and selectivity with less off-target effects against different targets involved in the MAPK signalling pathway. We have tried to cover recent advancements in the MAPK signalling pathway inhibitors with an aim to get better understanding of the mechanism of action of the compounds. Several compounds in the preclinical and clinical studies have been thoroughly dealt with. In addition to the synthetic compounds, a significant number of natural products containing heterocyclic moieties as MAPK signalling pathway inhibitors have been put together. The structure activity relationship along with docking studies have been discussed to apprehend the mechanistic studies of various compounds that will ultimately help to design and develop more MAPK signalling pathway inhibitors.
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Kopp N, Civenni G, Marson D, Laurini E, Pricl S, Catapano CV, Humpf HU, Almansa C, Nieto FR, Schepmann D, Wünsch B. Chemoenzymatic synthesis of 2,6-disubstituted tetrahydropyrans with high σ 1 receptor affinity, antitumor and analgesic activity. Eur J Med Chem 2021; 219:113443. [PMID: 33901806 DOI: 10.1016/j.ejmech.2021.113443] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 03/22/2021] [Accepted: 03/29/2021] [Indexed: 02/06/2023]
Abstract
1,3-Dioxanes 1 and cyclohexanes 2 bearing a phenyl ring and an aminoethyl moiety in 1,3-relationship to each other represent highly potent σ1 receptor antagonists. In order to increase the chemical stability of the acetalic 1,3-dioxanes 1 and the polarity of the cyclohexanes 2, tetrahydropyran derivatives 3 equipped with the same substituents were designed, synthesized and pharmacologically evaluated. The key step of the synthesis was a lipase-catalyzed enantioselective acetylation of the alcohol (R)-5 leading finally to enantiomerically pure test compounds 3a-g. With respect to σ1 receptor affinity and selectivity over a broad range of related (σ2, PCP binding site) and further targets, the enantiomeric benzylamines 3a and cyclohexylmethylamines 3b represent the most promising drug candidates of this series. However, the eudismic ratio for σ1 binding is only in the range of 2.5-3.3. Classical molecular dynamics (MD) simulations confirmed the same binding pose for both the tetrahydropyran 3 and cyclohexane derivatives 2 at the σ1 receptor, according to which: i) the protonated amino moiety of (2S,6R)-3a engages the same key polar interactions with Glu172 (ionic) and Phe107 (π-cation), ii) the lipophilic parts of (2S,6R)-3a are hosted in three hydrophobic regions of the σ1 receptor, and iii) the O-atom of the tetrahydropyran derivatives 3 does not show a relevant interaction with the σ1 receptor. Further in silico evidences obtained by the application of free energy perturbation and steered MD techniques fully supported the experimentally observed difference in receptor/ligand affinities. Tetrahydropyrans 3 require a lower dissociative force peak than cyclohexane analogs 2. Enantiomeric benzylamines 3a and cyclohexylmethylamines 3b were able to inhibit the growth of the androgen negative human prostate cancer cell line DU145. The cyclohexylmethylamine (2S,6R)-3b showed the highest σ1 affinity (Ki(σ1) = 0.95 nM) and the highest analgesic activity in vivo (67%).
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Affiliation(s)
- Nicole Kopp
- Institut für Pharmazeutische und Medizinische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 48, D-48149, Münster, Germany
| | - Gianluca Civenni
- Institute of Oncology Research, Università della Svizzera Italiana (USI), Via Vincenzo Vela 6, CH-6500, Bellinzona, Switzerland
| | - Domenico Marson
- Molecular Biology and Nanotechnology Laboratory (MolBNL@UniTS), DEA, University of Trieste, 34127, Trieste, Italy
| | - Erik Laurini
- Molecular Biology and Nanotechnology Laboratory (MolBNL@UniTS), DEA, University of Trieste, 34127, Trieste, Italy
| | - Sabrina Pricl
- Molecular Biology and Nanotechnology Laboratory (MolBNL@UniTS), DEA, University of Trieste, 34127, Trieste, Italy; Department of General Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Carlo V Catapano
- Institute of Oncology Research, Università della Svizzera Italiana (USI), Via Vincenzo Vela 6, CH-6500, Bellinzona, Switzerland
| | - Hans-Ulrich Humpf
- Institut für Lebensmittelchemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 45, D-48149, Münster, Germany
| | - Carmen Almansa
- Esteve Pharmaceuticals S.A., Baldiri Reixach 4-8, 08028, Barcelona, Spain
| | - Francisco Rafael Nieto
- Department of Pharmacology and Neurosciences Institute (Biomedical Research Center), University of Granada and Biosanitary Research Institute, 18010, Granada, Spain
| | - Dirk Schepmann
- Institut für Pharmazeutische und Medizinische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 48, D-48149, Münster, Germany
| | - Bernhard Wünsch
- Institut für Pharmazeutische und Medizinische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 48, D-48149, Münster, Germany; GRK 2515, Chemical Biology of Ion Channels (Chembion), Westfälische Wilhelms-Universität Münster, Germany.
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Cortés-Benítez F, Roy J, Perreault M, Maltais R, Poirier D. 16-Picolyl-androsterone derivative exhibits potent 17β-HSD3 inhibitory activity, improved metabolic stability and cytotoxic effect on various cancer cells: Synthesis, homology modeling and docking studies. J Steroid Biochem Mol Biol 2021; 210:105846. [PMID: 33609690 DOI: 10.1016/j.jsbmb.2021.105846] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 02/11/2021] [Accepted: 02/13/2021] [Indexed: 11/18/2022]
Abstract
A new androsterone derivative bearing a 16β-picolyl group (compound 5; FCO-586-119) was synthetized in four steps from the lead compound 1 (RM-532-105). We measured its inhibitory activity on 17β-HSD3 using microsomal fraction of rat testes as well as transfected LNCaP[17β-HSD3] cells. We then assessed its metabolic stability as well as its cytotoxic effect against a panel of cancer cell lines. The addition of a picolyl moiety at C-16 of RM-532-105 steroid core improves the 17β-HSD3 inhibitory activity in the microsomal fraction of rat testes, but not in whole LNCaP[17β-HSD3] cells. Interestingly, this structural modification enhances 3-fold the metabolic stability in conjunction with a significant cytotoxic effect against pancreatic, ovarian, breast, lung, and prostate cancer cells. Because the inhibitory activity data against 17β-HSD3 suggested that both steroid derivatives are non-competitive inhibitors, we performed docking and molecular dynamics simulations using a homology model of this membrane-associated enzyme. The results of these simulations revealed that both RM-532-105 (1) and FCO-586-119 (5) can compete for the cofactor-binding site displaying better binding energy than NADP+.
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Affiliation(s)
- Francisco Cortés-Benítez
- Laboratory of Medicinal Chemistry, Endocrinology and Nephrology Unit, CHU De Québec - Research Center, Québec City, Québec, G1V 4G2, Canada; Laboratory of Synthesis and Isolation of Bioactive Substances, Department of Biological Systems, Biological and Health Sciences Division, Metropolitan Autonomous University- Xochimilco (UAM-X), Mexico City 04960, Mexico
| | - Jenny Roy
- Laboratory of Medicinal Chemistry, Endocrinology and Nephrology Unit, CHU De Québec - Research Center, Québec City, Québec, G1V 4G2, Canada
| | - Martin Perreault
- Laboratory of Medicinal Chemistry, Endocrinology and Nephrology Unit, CHU De Québec - Research Center, Québec City, Québec, G1V 4G2, Canada
| | - René Maltais
- Laboratory of Medicinal Chemistry, Endocrinology and Nephrology Unit, CHU De Québec - Research Center, Québec City, Québec, G1V 4G2, Canada
| | - Donald Poirier
- Laboratory of Medicinal Chemistry, Endocrinology and Nephrology Unit, CHU De Québec - Research Center, Québec City, Québec, G1V 4G2, Canada; Department of Molecular Medicine, Faculty of Medicine, Université Laval, Québec City, Québec, G1V 0A6, Canada.
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Galma W, Endale M, Getaneh E, Eswaramoorthy R, Assefa T, Melaku Y. Antibacterial and antioxidant activities of extracts and isolated compounds from the roots extract of Cucumis prophetarum and in silico study on DNA gyrase and human peroxiredoxin 5. BMC Chem 2021; 15:32. [PMID: 33957962 PMCID: PMC8103605 DOI: 10.1186/s13065-021-00758-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Accepted: 04/26/2021] [Indexed: 12/03/2022] Open
Abstract
Background Cucumis prophetarum is traditionally used to treat liver and lung disorders, heart failure, diarrhea, gonorrhea, skin infections, intestinal problems and cancer. In the present work, the isolation of two novel compounds along with their antibacterial and antioxidant activities is reported for the first time. Methods Silica gel column chromatography was applied to separate constituents of the roots of C. prophetarum. The structures of isolated compounds were established using 1H NMR, 13C NMR, DEPT-135, COSY, HSQC and HMBC. Agar well diffusion, DPPH assay and ferric thiocyante methods were used for antibacterial, radical scavenging and anti-lipid peroxidation activities, respectively. AutoDock Vina open source program was used for molecular docking analysis. Results Evaluation of the in vitro antibacterial activity of the constituents against S. aureus, B. subtilis, E. coli and S. thyphimurium revealed that the hexane extract were active against E. coli with IZ of 15.0 ± 1.41 mm, whereas an IZ of 14.6 ± 1.70 mm for MeOH extract was observed against S. aureus. Compound 1 displayed IZ of 13.6 ± 0.94 mm against E. coli and curcurbiatin 2 showed activity against B. subtilis with IZ of 13.3 ± 0.54 mm. The molecular docking analysis showed that cucurbitacins 2 and 3 have binding energy of -6.7 and -6.9 kcal/mol, respectively. The methanol and the hexane extracts of the roots of C. prophetarum inhibited DPPH radical by 70.4 and 63.3% at 100 µg/mL, respectively. On the other hand, the methanol extract inhibited lipid peroxidation by 53.0%. Conclusion The present study identified five compounds from the root extracts of C. prophetarum, of which two are novel cucurbitacins (1, 2). The in vitro antibacterial activity of the hexane and methanol extracts was better than the activity displayed by the isolated compounds. This is probably due to the synergistic effects of the constituents present in the root extract. The in silico molecular docking study results showed that, compounds 2 and 3 have minimum binding energy and have good affinity toward the active pocket, thus, they may be considered as good inhibitor of DNA gyrase B. Furthermore, the “drug-likeness” and ADMET prediction of compounds 2–5 nearly showed compliance with the Lipinski rule, with good absorption, distribution, metabolism, and excretion generally. The radical scavenging and anti-lipid peroxidation activities of the extracts were better than the isolated compounds. This is attributed to the presence of phenolics and flavonoids as minor constituents in the extracts of these species. Therefore, the in vitro antibacterial activity and molecular docking analysis suggest the potential use of the isolated compounds as medicine which corroborates the traditional use of the roots of C. prophetarum. Supplementary Information The online version contains supplementary material available at 10.1186/s13065-021-00758-x.
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Affiliation(s)
- Wario Galma
- Department of Applied Chemistry, School of Applied Natural Science, Adama Science and Technology University, P.O.Box 1888, Adama, Ethiopia
| | - Milkyas Endale
- Department of Applied Chemistry, School of Applied Natural Science, Adama Science and Technology University, P.O.Box 1888, Adama, Ethiopia
| | - Emebet Getaneh
- Department of Applied Chemistry, School of Applied Natural Science, Adama Science and Technology University, P.O.Box 1888, Adama, Ethiopia
| | - Rajalakshmanan Eswaramoorthy
- Department of Applied Chemistry, School of Applied Natural Science, Adama Science and Technology University, P.O.Box 1888, Adama, Ethiopia
| | - Temesgen Assefa
- Department of Biotechnology, College of Natural and Computational Science, Debre Birhan University, P.O. Box 445, Debre Birhan, Ethiopia
| | - Yadessa Melaku
- Department of Applied Chemistry, School of Applied Natural Science, Adama Science and Technology University, P.O.Box 1888, Adama, Ethiopia.
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Alanazi MM, Mahdy HA, Alsaif NA, Obaidullah AJ, Alkahtani HM, Al-Mehizia AA, Alsubaie SM, Dahab MA, Eissa IH. New bis([1,2,4]triazolo)[4,3-a:3',4'-c]quinoxaline derivatives as VEGFR-2 inhibitors and apoptosis inducers: Design, synthesis, in silico studies, and anticancer evaluation. Bioorg Chem 2021; 112:104949. [PMID: 34023640 DOI: 10.1016/j.bioorg.2021.104949] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Revised: 04/08/2021] [Accepted: 04/22/2021] [Indexed: 12/11/2022]
Abstract
A new series of bis([1,2,4]triazolo)[4,3-a:3',4'-c]quinoxaline derivatives were designed and synthesized to have the main essential pharmacophoric features of VEGFR-2 inhibitors. VEGFR-2 inhibitory activities were assessed for the designed compounds. In addition, cytotoxic activity was evaluated for all derivatives against two human cancer cell lines namely, HepG-2 and MCF-7. The most cytotoxic compound 20 h was subjected to further biological investigations including cell cycle, apoptosis, caspase-3, caspase-9, BAX, and Bcl-2 analyses. Different in silico studies as docking, ADMET and toxicity were carried out. The results exhibited that compounds 20b, 20e, 20h and20mshowed promising VEGFR-2 inhibitory activities with IC50values of 5.7, 6.7, 3.2, and 3.1 µM, respectively. Moreover, these promising members exhibited the highest antiproliferative activities against the two cell lines with IC50values ranging from 3.3 to 14.2 µM, comparing to sorafenib (IC50 = 2.17 and 3.43 µM against HepG2 and MCF-7, respectively). Additionally, compound 20h induced cell cycle arrest of HepG2 cells at G2/M phase. Also, such compound increased the progress of apoptosis by 3.5-fold compared to the control. As well, compound 20h showed a significant increase in the level of caspase-3 (2.07-fold), caspase-9 (1.72-fold), and BAX (1.83-fold), and a significant decrease in Bcl-2 level (1.92-fold). The in silico studies revealed that the synthesized compounds have binding pattern like that of sorafenib.
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Affiliation(s)
- Mohammed M Alanazi
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, Saudi Arabia.
| | - Hazem A Mahdy
- Pharmaceutical Medicinal Chemistry & Drug Design Department, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo 11884, Egypt
| | - Nawaf A Alsaif
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, Saudi Arabia
| | - Ahmad J Obaidullah
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, Saudi Arabia
| | - Hamad M Alkahtani
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, Saudi Arabia
| | - Abdulrahman A Al-Mehizia
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, Saudi Arabia
| | - Sultan M Alsubaie
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, Saudi Arabia
| | - Mohammed A Dahab
- Pharmaceutical Medicinal Chemistry & Drug Design Department, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo 11884, Egypt.
| | - Ibrahim H Eissa
- Pharmaceutical Medicinal Chemistry & Drug Design Department, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo 11884, Egypt.
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Ibrahim TS, Almalki AJ, Moustafa AH, Allam RM, Abuo-Rahma GEDA, El Subbagh HI, Mohamed MFA. Novel 1,2,4-oxadiazole-chalcone/oxime hybrids as potential antibacterial DNA gyrase inhibitors: Design, synthesis, ADMET prediction and molecular docking study. Bioorg Chem 2021; 111:104885. [PMID: 33838559 DOI: 10.1016/j.bioorg.2021.104885] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 03/26/2021] [Accepted: 03/28/2021] [Indexed: 01/19/2023]
Abstract
New antibacterial drugs are urgently needed to tackle the rapid rise in multi-drug resistant bacteria. DNA gyrase is a validated target for the development of new antibacterial drugs. Thus, in the present investigation, a novel series of 1,2,4-oxadiazole-chalcone/oxime (6a-f) and (7a-f) were synthesized and characterized by IR, NMR (1H and 13C) and elemental analyses. The title compounds were evaluated for their in-vitro antimicrobial activity by the modified agar diffusion method as well as their E. coli DNA gyrase inhibitory activity. The minimum inhibitory concentration (MIC) and the structure activity relationships (SARs) were evaluated. Among all, compounds 6a, 6c-e, 7b and 7e were the most potent and proved to possess broad spectrum activity against the tested Gram-positive and Gram-negative organisms. Additionally, compounds 6a (against S. aureus), 6c (against B. subtilis and E. hirae), 6e (against E. hirae), 6f, 7a and 7c (against E. coli) and 7d (against B. subtilis), with MIC value of 3.12 μM were two-fold more potent than the standard ciprofloxacin (MIC = 6.25 μM). Mechanistically, compounds 6c, 7c, 7e and 7b had good inhibitory activity against E. coli gyrase with IC50 values of 17.05, 13.4, 16.9, and 19.6 µM, respectively, in comparison with novobiocin (IC50 = 12.3 µM) and ciprofloxacin (IC50 = 10.5 µM). The molecular docking results at DNA gyrase active site revealed that the most potent compounds 6c and 7c have binding mode and docking scores comparable to that of ciprofloxacin and novobiocin suggesting their antibacterial activity via inhibition of DNA gyrase. Finally, the predicted parameters of Lipinski's rule of five and ADMET analysis showed that 6c and 7c had good drug-likeness and acceptable physicochemical properties. Therefore, the hybridization of the chalcone and oxadiazole moieties could be promising lead as antibacterial candidate which merit further future structural optimizations.
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Affiliation(s)
- Tarek S Ibrahim
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt.
| | - Ahmad J Almalki
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Amr H Moustafa
- Department of Chemistry, Faculty of Science, Sohag University, Sohag 82524, Egypt
| | - Rasha M Allam
- Pharmacology Department, National Research Centre, Cairo 12622 (ID: 60014618), Egypt
| | - Gamal El-Din A Abuo-Rahma
- Department of Medicinal Chemistry, Faculty of Pharmacy, Minia University, Minia 61519, Egypt; Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Deraya University, New Minia, Minia, Egypt
| | - Hussein I El Subbagh
- Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, 35516 Mansoura, Egypt
| | - Mamdouh F A Mohamed
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Sohag University, 82524 Sohag, Egypt.
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Mohapatra RK, Perekhoda L, Azam M, Suleiman M, Sarangi AK, Semenets A, Pintilie L, Al-Resayes SI. Computational investigations of three main drugs and their comparison with synthesized compounds as potent inhibitors of SARS-CoV-2 main protease (M pro): DFT, QSAR, molecular docking, and in silico toxicity analysis. J King Saud Univ Sci 2021; 33:101315. [PMID: 33390681 PMCID: PMC7765764 DOI: 10.1016/j.jksus.2020.101315] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 12/15/2020] [Accepted: 12/17/2020] [Indexed: 05/28/2023]
Abstract
In this study, we examined five previously synthesized compounds and checked their binding affinity towards the SARS-CoV-2 main protease (Mpro) by molecular docking study, and compared the data with three FDA approved drugs, i.e., Remdesivir, Ivermectine and Hydroxychlorochine. In addition, we have investigated the docking study against the main protease of SARS-CoV-2 (Mpro) by using Autodock 4.2 software package. The results suggested that the investigated compounds have property to bind the active position of the protein as reported in approved drugs. Hence, further experimental studies are required. The formation of intermolecular interactions, negative values of scoring functions, free binding energy and the calculated binding constants confirmed that the studied compounds have significant affinity for the specified biotarget. These studied compounds were passed the drug-likeness criteria as suggested by calculating ADME data by SwissADME server. Moreover, the ADMET properties suggested that the investigated compounds to be orally active compounds in human. Furthermore, density functional computations (DFT) were executed by applying GAUSSIAN 09 suit program. In addition, Quantitative Structure-Activity Relationship (QSAR) was studied by applying HyperChem Professional 8.0.3 program.
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Affiliation(s)
- Ranjan K Mohapatra
- Department of Chemistry, Government College of Engineering, Keonjhar, Odisha 758002, India
| | - Lina Perekhoda
- Department of Medicinal Chemistry, National University of Pharmacy, Pushkinska Str. 53, Kharkiv 61002, Ukraine
| | - Mohammad Azam
- Department of Chemistry, College of Science, King Saud University, PO Box 2455, Riyadh 11451, Saudi Arabia
| | - Marharyta Suleiman
- Department of Medicinal Chemistry, National University of Pharmacy, Pushkinska Str. 53, Kharkiv 61002, Ukraine
| | - Ashish K Sarangi
- Department of Chemistry, School of Applied Sciences, Centurion University of Technology and Management, Odisha, India
| | - Anton Semenets
- Department of Medicinal Chemistry, National University of Pharmacy, Pushkinska Str. 53, Kharkiv 61002, Ukraine
| | - Lucia Pintilie
- Department of Synthesis of Bioactive Substances and Pharmaceutical Technologies, National Institute for Chemical & Pharmaceutical Research and Development, Bucharest, Romania
| | - Saud I Al-Resayes
- Department of Chemistry, College of Science, King Saud University, PO Box 2455, Riyadh 11451, Saudi Arabia
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Krzywik J, Aminpour M, Janczak J, Maj E, Moshari M, Mozga W, Wietrzyk J, Tuszyński JA, Huczyński A. An insight into the anticancer potential of carbamates and thiocarbamates of 10-demethoxy-10-methylaminocolchicine. Eur J Med Chem 2021; 215:113282. [PMID: 33611191 DOI: 10.1016/j.ejmech.2021.113282] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 02/04/2021] [Accepted: 02/05/2021] [Indexed: 12/20/2022]
Abstract
Colchicine shows very high antimitotic activity, therefore, it is used as a lead compound for generation of new anticancer agents. In the hope of developing novel, useful drugs with more favourable pharmacological profiles, a series of doubly modified colchicine derivatives has been designed, synthesized and characterized. These novel carbamate or thiocarbamate derivatives of 10-demethoxy-10-methylaminocolchicine have been tested for their antiproliferative activity against four human cancer cell lines. Additionally, their mode of action has been evaluated as colchicine binding site inhibitors, using molecular docking studies. Most of the tested compounds showed greater cytotoxicity (IC50 in a low nanomolar range) and were characterized by a higher selectivity index than standard chemotherapeutics such as cisplatin and doxorubicin as well as unmodified colchicine. Their pharmacological use in cancer therapy could possibly be accomplished with lower dosages and result in less acute toxicity problems than in the case of colchicine. In addition, we present a QSAR model for predicting the antiproliferative activity of doubly modified derivatives for two tumour cell lines.
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Aita S, Badavath VN, Gundluru M, Sudileti M, Nemallapudi BR, Gundala S, Zyryanov GV, Chamarti NR, Cirandur SR. Novel α-Aminophosphonates of imatinib Intermediate: Synthesis, anticancer Activity, human Abl tyrosine kinase Inhibition, ADME and toxicity prediction. Bioorg Chem 2021; 109:104718. [PMID: 33618257 DOI: 10.1016/j.bioorg.2021.104718] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 01/13/2021] [Accepted: 02/01/2021] [Indexed: 02/07/2023]
Abstract
An efficient method for the synthesis of a new class of α-aminophosphonates of imatinib derivative has been developed in one-pot Kabachnik-Fields reaction of N-(5-amino-2-methyl phenyl)-4-(3-pyridyl)-2-pyrimidine amine with various aldehydes and diethyl phosphite under microwave irradiation and neat conditions using NiO nanoparticles as an reusable and heterogeneous catalyst, with 96% yield at 450 W within 15 min. All the compounds were evaluated for their in vitro cytotoxicity with various cancer cell lines by MTT assay method. Compounds with halo (4f, -4Br, IC50 = 1.068 ± 0.88 µM to 2.033 ± 0.97 µM), nitro substitution (4 h, -3NO2, IC50 = 1.380 ± 0.94 µM to 2.213 ± 0.64 µM), (4 g, -4NO2, IC50 = 1.402 ± 0.79 µM to 2.335 ± 0.73 µM) and (4i, 4-Cl, 3-NO2, IC50 = 1.437 ± 0.92 µM to 2.558 ± 0.76 µM) were showed better anticancer activity when compared with standard drugs Doxorubicin and Imatinib using MTT assay method. Further in silico target hunting reveals the anticancer activity of the designed compounds by inhibiting human ABL tyrosine kinase and all the designed compounds have shown significant drug-like characteristics.
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Affiliation(s)
- Saikiran Aita
- Department of Chemistry, Sri Venkateswara University, Tirupati 517 502, A.P., India.
| | - Vishnu Nayak Badavath
- Institute for Drug Research, The Hebrew University of Jerusalem, Jerusalem 9112001, Israel.
| | - Mohan Gundluru
- Department of Chemistry, Sri Venkateswara University, Tirupati 517 502, A.P., India; DST-PURSE Centre, Sri Venkateswara University, Tirupati-517502, A.P., India.
| | - Murali Sudileti
- Department of Chemistry, Sri Venkateswara University, Tirupati 517 502, A.P., India.
| | | | - Sravya Gundala
- Chemical Engineering Institute, Ural Federal University, Yekaterinburg 620002, Russian Federation.
| | - Grigoriy Vasilievich Zyryanov
- Chemical Engineering Institute, Ural Federal University, Yekaterinburg 620002, Russian Federation; Ural Division of the Russian Academy of Sciences, I. Ya. Postovskiy Institute of Organic Synthesis, 22 S. Kovalevskoy Street, Yekaterinburg 620219, Russian Federation.
| | - Naga Raju Chamarti
- Department of Chemistry, Sri Venkateswara University, Tirupati 517 502, A.P., India.
| | - Suresh Reddy Cirandur
- Department of Chemistry, Sri Venkateswara University, Tirupati 517 502, A.P., India.
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Gumber K, Pomila. FDA recommended potent drugs against COVID-19: Insight through molecular docking. Mater Today Proc 2021; 45:3328-3335. [PMID: 33520672 PMCID: PMC7832574 DOI: 10.1016/j.matpr.2020.12.649] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 12/01/2020] [Accepted: 12/13/2020] [Indexed: 10/28/2022]
Abstract
Human Coronavirus (COVID-19) is a worldwide pandemic of 2019-20 that was emerged in China in December 2019. More than 37,000deaths with7, 84, 440confirmed cases has been reported from around 200 different countries has been reported till now and the number is increasing every second. The spread is said to be through human to human transmission via close contact or respiratory droplets produced when people cough or sneeze. No treatment for the illness has been approved yet. The urgent need is to find solution to this growing problem that has affected the whole mankind. World Health Organisation (WHO) as well as US Food and Drug Administration (FDA) are continuously working to find the solution. In the same line they have proposed many potent drugs that may have efficiency against the newly emerged viral infection. To support the efforts the present study is designed to carry out the in silico analysis viz. Docking studies of around 16drugs recently recommended by US FDA by observing the interaction of test molecules with SARS proteinase.
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Affiliation(s)
- Khushbu Gumber
- Department of Chemistry, Chandigarh University, Gharuan, India
| | - Pomila
- Department of Chemistry, Punjab Agricultural University, Ludhiana, India
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Bessières M, Plebanek E, Chatterjee P, Shrivastava-Ranjan P, Flint M, Spiropoulou CF, Warszycki D, Bojarski AJ, Roy V, Agrofoglio LA. Design, synthesis and biological evaluation of 2-substituted-6-[(4-substituted-1-piperidyl)methyl]-1H-benzimidazoles as inhibitors of ebola virus infection. Eur J Med Chem 2021; 214:113211. [PMID: 33548632 DOI: 10.1016/j.ejmech.2021.113211] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 11/20/2020] [Accepted: 01/12/2021] [Indexed: 11/17/2022]
Abstract
Novel 2-substituted-6-[(4-substituted-1-piperidyl)methyl]-1H-benzimidazoles were designed and synthesized as Ebola virus inhibitors. The proposed structures of the new prepared benzimidazole-piperidine hybrids were confirmed based on their spectral data and CHN analyses. The target compounds were screened in vitro for their anti-Ebola activity. Among tested molecules, compounds 26a (EC50=0.93 μM, SI = 10) and 25a (EC50=0.64 μM, SI = 20) were as potent as and more selective than Toremifene reference drug (EC50 = 0.38 μM, SI = 7) against cell line. Data suggests that the mechanism by which 25a and 26a block EBOV infection is through the inhibition of viral entry at the level of NPC1. Furthermore, a docking study revealed that several of the NPC1 amino acids that participate in binding to GP are involved in the binding of the most active compounds 25a and 26a. Finally, in silico ADME prediction indicates that 26a is an idealy drug-like candidate. Our results could enable the development of small molecule drug capable of inhibiting Ebola virus, especially at the viral entry step.
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Affiliation(s)
| | | | - Payel Chatterjee
- Viral Special Pathogens Branch, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | | | - Mike Flint
- Viral Special Pathogens Branch, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Christina F Spiropoulou
- Viral Special Pathogens Branch, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Dawid Warszycki
- May Institute of Pharmacology Polish Academy of Sciences, Kraków, Poland
| | - Andrzej J Bojarski
- May Institute of Pharmacology Polish Academy of Sciences, Kraków, Poland
| | - Vincent Roy
- Univ. Orléans, CNRS, ICOA, UMR 7311, F-45067, Orléans, France.
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Delogu GL, Kumar A, Gatto G, Bustelo F, Saavedra LM, Rodríguez-Franco MI, Laguna R, Viña D. Synthesis and in vitro study of nitro- and methoxy-2-phenylbenzofurans as human monoamine oxidase inhibitors. Bioorg Chem 2021; 107:104616. [PMID: 33444985 DOI: 10.1016/j.bioorg.2020.104616] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 12/16/2020] [Accepted: 12/28/2020] [Indexed: 12/19/2022]
Abstract
A new series of 2-phenylbenzofuran derivatives were designed and synthesized to determine relevant structural features for the MAO inhibitory activity and selectivity. Methoxy substituents were introduced in the 2-phenyl ring, whereas the benzofuran moiety was not substituted or substituted at the positions 5 or 7 with a nitro group. Substitution patterns on both the phenyl ring and the benzofuran moiety determine the affinity for MAO-A or MAO-B. The 2-(3-methoxyphenyl)-5-nitrobenzofuran 9 was the most potent MAO-B inhibitor (IC50 = 0.024 µM) identified in this series, whereas 7-nitro-2-phenylbenzofuran 7 was the most potent MAO-A inhibitor (IC50 = 0.168 µM), both acting as reversible inhibitors. The number and position of the methoxyl groups on the 2-phenyl ring, have an important influence on the inhibitory activity. Molecular docking studies confirmed the experimental results and highlighted the importance of key residues in enzyme inhibition.
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Affiliation(s)
- Giovanna L Delogu
- Department of Life and Environmental Sciences, University of Cagliari, 09042 Monserrato, Cagliari, Italy.
| | - Amit Kumar
- Department of Electrical and Electronic Engineering, University of Cagliari 09123 Cagliari, Italy
| | - Gianluca Gatto
- Department of Electrical and Electronic Engineering, University of Cagliari 09123 Cagliari, Italy
| | - Fernando Bustelo
- Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), University of Santiago de Compostela, Avda Barcelona s/n, Campus Vida 15782, Santiago de Compostela, Spain; Department of Pharmacology, Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Lucía M Saavedra
- Instituto de Química Médica, Consejo Superior de Investigaciones Científicas (IQM-CSIC), c/ Juan de la Cierva 3, E-28006 Madrid, Spain
| | - Maria Isabel Rodríguez-Franco
- Instituto de Química Médica, Consejo Superior de Investigaciones Científicas (IQM-CSIC), c/ Juan de la Cierva 3, E-28006 Madrid, Spain
| | - Reyes Laguna
- Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), University of Santiago de Compostela, Avda Barcelona s/n, Campus Vida 15782, Santiago de Compostela, Spain
| | - Dolores Viña
- Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), University of Santiago de Compostela, Avda Barcelona s/n, Campus Vida 15782, Santiago de Compostela, Spain; Department of Pharmacology, Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain.
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Kohelová E, Maříková J, Korábečný J, Hulcová D, Kučera T, Jun D, Chlebek J, Jenčo J, Šafratová M, Hrabinová M, Ritomská A, Malaník M, Peřinová R, Breiterová K, Kuneš J, Nováková L, Opletal L, Cahlíková L. Alkaloids of Zephyranthes citrina (Amaryllidaceae) and their implication to Alzheimer's disease: Isolation, structural elucidation and biological activity. Bioorg Chem 2020; 107:104567. [PMID: 33387730 DOI: 10.1016/j.bioorg.2020.104567] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 12/09/2020] [Accepted: 12/15/2020] [Indexed: 11/25/2022]
Abstract
Twenty known Amaryllidaceae alkaloids of various structural types, and one undescribed alkaloid of narcikachnine-type, named narcieliine (3), have been isolated from fresh bulbs of Zephyranthes citrina. The chemical structures of the isolated alkaloids were elucidated by a combination of MS, HRMS, 1D and 2D NMR, and CD spectroscopic techniques, and by comparison with literature data. The absolute configuration of narcieliine (3) has also been determined. Compounds isolated in a sufficient quantity were evaluated for their in vitro acetylcholinesterase (AChE; E.C. 3.1.1.7), butyrylcholinesterase (BuChE; E.C. 3.1.1.8), and prolyl oligopeptidase (POP; E.C. 3.4.21.26) inhibition activities. Significant human AChE/BuChE (hAChE/hBuChE) inhibitory activity was demonstrated by the newly described alkaloid narcieliine (3), with IC50 values of 18.7 ± 2.3 µM and 1.34 ± 0.31 µM, respectively. This compound is also predicted to cross the blood-brain barrier (BBB) through passive diffusion. The in vitro data were further supported by in silico studies of 3 in the active site of hAChE/hBuChE.
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Affiliation(s)
- Eliška Kohelová
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Jana Maříková
- Department of Bioorganic and Organic Chemistry, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Jan Korábečný
- Department of Toxicology and Military Pharmacy, Trebesska 1575, 500 05 Hradec Kralove, Czech Republic; Biomedical Research Centre, University Hospital Hradec Kralove, Sokolska 581, 500 05 Hradec Kralove, Czech Republic
| | - Daniela Hulcová
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic; Department of Pharmacognosy, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Tomáš Kučera
- Department of Toxicology and Military Pharmacy, Trebesska 1575, 500 05 Hradec Kralove, Czech Republic
| | - Daniel Jun
- Department of Toxicology and Military Pharmacy, Trebesska 1575, 500 05 Hradec Kralove, Czech Republic; Biomedical Research Centre, University Hospital Hradec Kralove, Sokolska 581, 500 05 Hradec Kralove, Czech Republic
| | - Jakub Chlebek
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Jaroslav Jenčo
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Marcela Šafratová
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic; Department of Pharmacognosy, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Martina Hrabinová
- Department of Toxicology and Military Pharmacy, Trebesska 1575, 500 05 Hradec Kralove, Czech Republic; Biomedical Research Centre, University Hospital Hradec Kralove, Sokolska 581, 500 05 Hradec Kralove, Czech Republic
| | - Aneta Ritomská
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Milan Malaník
- Department of Natural Drugs, Faculty of Pharmacy, Masaryk University, Palackého třída 1946/1, 61200 Brno, Czech Republic
| | - Rozálie Peřinová
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Kateřina Breiterová
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Jiří Kuneš
- Department of Bioorganic and Organic Chemistry, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Lucie Nováková
- Department of Analytical Chemistry, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Lubomír Opletal
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Lucie Cahlíková
- ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic.
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Noreen, Ali R, Badshah SL, Faheem M, Abbasi SW, Ullah R, Bari A, Jamal SB, Mahmood HM, Haider A, Haider S. Identification of potential inhibitors of Zika virus NS5 RNA-dependent RNA polymerase through virtual screening and molecular dynamic simulations. Saudi Pharm J 2020; 28:1580-1591. [PMID: 33424251 PMCID: PMC7783101 DOI: 10.1016/j.jsps.2020.10.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 10/15/2020] [Indexed: 01/11/2023] Open
Abstract
Zika virus (ZIKV) is one of the mosquito borne flavivirus with several outbreaks in past few years in tropical and subtropical regions. The non-structural proteins of flaviviruses are suitable active targets for inhibitory drugs due to their role in pathogenicity. In ZIKV, the non-structural protein 5 (NS5) RNA-Dependent RNA polymerase replicates its genome. Here we have performed virtual screening to identify suitable ligands that can potentially halt the ZIKV NS5 RNA dependent RNA polymerase (RdRp). During this process, we searched and screened a library of ligands against ZIKV NS5 RdRp. The selected ligands with significant binding energy and ligand-receptor interactions were further processed. Among the selected docked conformations, top five was further optimized at atomic level using molecular dynamic simulations followed by binding free energy calculations. The interactions of ligands with the target structure of ZIKV RdRp revealed that they form strong bonds within the active sites of the receptor molecule. The efficacy of these drugs against ZIKV can be further analyzed through in-vitro and in-vivo studies.
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Affiliation(s)
- Noreen
- Institute of Basic Medical Sciences, Khyber Medical University, Peshawar, Pakistan
- Department of Chemistry, Islamia College University, Peshawar, Pakistan
| | - Roshan Ali
- Institute of Basic Medical Sciences, Khyber Medical University, Peshawar, Pakistan
| | - Syed Lal Badshah
- Department of Chemistry, Islamia College University, Peshawar, Pakistan
| | - Muhammad Faheem
- Department of Biological Sciences, National University of Medical Sciences, Rawalpindi, Pakistan
| | - Sumra Wajid Abbasi
- Department of Biological Sciences, National University of Medical Sciences, Rawalpindi, Pakistan
| | - Riaz Ullah
- Department of Pharmacognosy (MAPPRC), College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Ahmed Bari
- Department of Pharmacuitcal Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Syed Babar Jamal
- Department of Biological Sciences, National University of Medical Sciences, Rawalpindi, Pakistan
| | - Hafiz Majid Mahmood
- Department of Pharmacology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Adnan Haider
- Department of Biological Sciences, National University of Medical Sciences, Rawalpindi, Pakistan
| | - Sajjad Haider
- Department of Chemical Engineering, College of Engineering, King Saud University, Riyadh, Saudi Arabia
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Vlasiou MC, Pafiti KS. Spectroscopic evaluation of Zn (II) complexes with drug analogues: Interactions with BSA and the pH effect on the drug-Zn (II) system. Spectrochim Acta A Mol Biomol Spectrosc 2020; 241:118641. [PMID: 32622047 DOI: 10.1016/j.saa.2020.118641] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 06/16/2020] [Accepted: 06/21/2020] [Indexed: 06/11/2023]
Abstract
Using UV-Vis, FT-IR, fluorescence spectroscopy and protein-ligand docking, the interactions between the zinc complexes with drug analogues and bovine serum albumin were investigated. In addition, considering the ubiquitous presence of zinc ions in the human system, we studied the interactions between this ion with hymecromone, dihydropyridine analogue, and acetamide, as well as the pH influence on these systems. The complexes were synthesized by interaction between the ligands and the Zn (II) ion in a 2:1 M ratio. Elemental analysis, FT-IR, and UV-Vis spectroscopy studies investigated the structure of the synthesized complexes. Fluorescence spectroscopy, UV-Vis, molecular docking and molecular dynamics were used to study the interactions of the Zn complexes with the BSA. The drug-Zn (II) system's pH effect was investigated using UV-Vis spectroscopy. After the complexation with the zinc, the drug molecules exhibited higher apparent binding affinity to BSA. BSA's fluorescence efficiency by the drug analogues was enhanced. In addition, molecular modelling was used to classify the residue of amino acids in the BSA playing key roles in this binding interaction. An increase in pH appears to contribute to alkaline hydrolysis of the Zn (II) molecules.
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Affiliation(s)
- Manolis C Vlasiou
- Department of Health and Life Sciences, University of Nicosia, Nicosia 2417, Cyprus.
| | - Kyriaki S Pafiti
- Department of Health and Life Sciences, University of Nicosia, Nicosia 2417, Cyprus
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Desmiaty Y, Mulatsari E, Chany Saputri F, Hanafi M, Prastiwi R, Elya B. Inhibition of pancreatic elastase in silico and in vitro by Rubus rosifolius leaves extract and its constituents. J Pharm Bioallied Sci 2020; 12:317-323. [PMID: 33100792 PMCID: PMC7574744 DOI: 10.4103/jpbs.jpbs_271_19] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 04/29/2020] [Accepted: 05/11/2020] [Indexed: 11/16/2022] Open
Abstract
Objective: Elastases are protease enzymes, which mainly hydrolyze proteins of the connective tissue, so they have a significant impact on human disease. Rubus rosifolius is one of the Rubus species found in Indonesian mountains, and it has potential as an elastase inhibitor. The objective of this research was to examine the in vitro elastase inhibitor activity of R. rosifolius leaves and to dock different ligands of its constituents against target protein of Porcine Pancreatic Elastase (PPE) receptor. Method: Dried leaves powder of R. rosifolius was extracted using Soxhlet apparatus with n-hexane, ethyl acetate, and methanol. The extract was evaporated, and in vitro elastase inhibitor activity was determined using PPE with the quercetin used as control positive. Selected nine constituents of R. rosifolius were evaluated on the docking behavior of elastase receptor using Protein–Ligand ANT System (PLANTS) computational software with PPE enzyme with Protein Data Bank (PDB) file 1BRU. Result: The methanol extract showed significantly inhibited elastase with IC50 186.13 μg/mL, but ethyl acetate extract showed weak activity, and n-hexane extract did not show any activity. Docking studies and binding free energy calculations and hydrogen bonding with some amino acids revealed that ellagic acid showed the least binding energy for the target enzyme. Conclusion: This research has opened new insights into understanding that constituents of R. rosifolius methanol extract are potential inhibitors against elastase, and suggested the active compound is ellagic acid.
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Affiliation(s)
- Yesi Desmiaty
- Department of Phytochemistry, Faculty of Pharmacy, Pancasila University, Jakarta, Indonesia.,Department of Phytochemistry, Faculty of Pharmacy, Universitas Indonesia, Depok, Indonesia
| | - Esti Mulatsari
- Department of Phytochemistry, Faculty of Pharmacy, Pancasila University, Jakarta, Indonesia
| | - Fadlina Chany Saputri
- Department of Phytochemistry, Faculty of Pharmacy, Universitas Indonesia, Depok, Indonesia
| | - Muhammad Hanafi
- Department of Phytochemistry, Faculty of Pharmacy, Pancasila University, Jakarta, Indonesia.,Research Centre for Chemistry Indonesian Institute of Sciences, Jakarta, Indonesia
| | - Rini Prastiwi
- Department of Pharmacognosy, Faculty of Pharmacy, Universitas Muhammadiyah Prof. Dr. Hamka, Jakarta, Indonesia
| | - Berna Elya
- Department of Phytochemistry, Faculty of Pharmacy, Universitas Indonesia, Depok, Indonesia
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Rajagopal K, Varakumar P, Baliwada A, Byran G. Activity of phytochemical constituents of Curcuma longa (turmeric) and Andrographis paniculata against coronavirus (COVID-19): an in silico approach. Futur J Pharm Sci 2020; 6:104. [PMID: 33215042 DOI: 10.1186/s43094-020-00126-x] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 10/04/2020] [Indexed: 12/19/2022] Open
Abstract
Background In early 2020, many scientists are rushing to discover novel drugs and vaccines against the coronavirus, and treatments for COVID-19, because coronavirus disease 2019 (COVID-19), a life-threatening viral disease, affected first in China and quickly spread throughout the world. In this article, in silico studies have been performed to explore the binding modes of chemical constituents for natural remedies like Curcuma longa (turmeric) and Andrographis paniculata against COVID-19 (PDB ID 5R82) targeting coronavirus using Schrodinger suit 2019-4. The molecular docking studies are performed by the Glide module, in silico ADMET screening was performed by the QikProp module, and binding energy of ligands was calculated using the Prime MM-GB/SA module. Results The chemical constituents from turmeric like cyclocurcumin and curcumin and from Andrographis paniculata like andrographolide and dihydroxy dimethoxy flavone are significantly binding with the active site of SARS CoV-2 main protease with Glide score more than − 6 when compared to the currently used drugs hydroxychloroquine (− 5.47) and nelfinavir (− 5.93). When compared to remdesivir (− 6.38), cyclocurcumin from turmeric is significantly more active. The docking results of the compounds exhibited similar mode of interactions with SARS CoV-2. Main protease and the residues THR24, THR25, THR26, LEU27, SER46, MET49, HIE41, GLN189, ARG188, ASP187, MET165, HIE164, PHE181, and THR54 play a crucial role in binding with ligands. Conclusion Based on in silico investigations, the chemical constituents from turmeric like cyclocurcumin and curcumin and from Andrographis paniculata like andrographolide and dihydroxy dimethoxy flavone, significantly binding with the active site of SARS CoV-2 main protease, may produce significant activity and be useful for further development.
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