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Frota HF, Barbosa PF, Lorentino CMA, Affonso LRF, Ramos LS, Oliveira SSC, Souza LOP, Abosede OO, Ogunlaja AS, Branquinha MH, Santos ALS. Unveiling the antifungal mechanisms of CTP, a new copper(II)-theophylline/1,10-phenanthroline complex, on drug-resistant non-albicans Candida species. Biometals 2024:10.1007/s10534-024-00605-1. [PMID: 38874822 DOI: 10.1007/s10534-024-00605-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 04/20/2024] [Indexed: 06/15/2024]
Abstract
Candida species undeniably rank as the most prevalent opportunistic human fungal pathogens worldwide, with Candida albicans as the predominant representative. However, the emergence of non-albicans Candida species (NACs) has marked a significant shift, accompanied by rising incidence rates and concerning trends of antifungal resistance. The search for new strategies to combat antifungal-resistant Candida strains is of paramount importance. Recently, our research group reported the anti-Candida activity of a coordination compound containing copper(II) complexed with theophylline (theo) and 1,10-phenanthroline (phen), known as "CTP" - Cu(theo)2phen(H2O).5H2O. In the present work, we investigated the mechanisms of action of CTP against six medically relevant, antifungal-resistant NACs, including C. auris, C. glabrata, C. haemulonii, C. krusei, C. parapsilosis and C. tropicalis. CTP demonstrated significant efficacy in inhibiting mitochondrial dehydrogenases, leading to heightened intracellular reactive oxygen species production. CTP treatment resulted in substantial damage to the plasma membrane, as evidenced by the passive incorporation of propidium iodide, and induced DNA fragmentation as revealed by the TUNEL assay. Scanning electron microscopy images of post-CTP treatment NACs further illustrated profound alterations in the fungal surface morphology, including invaginations, cavitations and lysis. These surface modifications significantly impacted the ability of Candida cells to adhere to a polystyrene surface and to form robust biofilm structures. Moreover, CTP was effective in disassembling mature biofilms formed by these NACs. In conclusion, CTP represents a promising avenue for the development of novel antifungals with innovative mechanisms of action against clinically relevant NACs that are resistant to antifungals commonly used in clinical settings.
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Affiliation(s)
- Heloisa F Frota
- Laboratório de Estudos Avançados de Microrganismos Emergentes E Resistentes (LEAMER), Departamento de Microbiologia Geral, Instituto de Microbiologia Paulo de Góes (IMPG), Universidade Federal Do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, 21941-902, Brazil
- Programa de Pós-Graduação Em Bioquímica (PPGBq), Instituto de Química, Universidade Federal Do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, 21941-909, Brazil
| | - Pedro F Barbosa
- Laboratório de Estudos Avançados de Microrganismos Emergentes E Resistentes (LEAMER), Departamento de Microbiologia Geral, Instituto de Microbiologia Paulo de Góes (IMPG), Universidade Federal Do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, 21941-902, Brazil
| | - Carolline M A Lorentino
- Laboratório de Estudos Avançados de Microrganismos Emergentes E Resistentes (LEAMER), Departamento de Microbiologia Geral, Instituto de Microbiologia Paulo de Góes (IMPG), Universidade Federal Do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, 21941-902, Brazil
| | - Lorena R F Affonso
- Laboratório de Estudos Avançados de Microrganismos Emergentes E Resistentes (LEAMER), Departamento de Microbiologia Geral, Instituto de Microbiologia Paulo de Góes (IMPG), Universidade Federal Do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, 21941-902, Brazil
| | - Lívia S Ramos
- Laboratório de Estudos Avançados de Microrganismos Emergentes E Resistentes (LEAMER), Departamento de Microbiologia Geral, Instituto de Microbiologia Paulo de Góes (IMPG), Universidade Federal Do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, 21941-902, Brazil
| | - Simone S C Oliveira
- Laboratório de Estudos Avançados de Microrganismos Emergentes E Resistentes (LEAMER), Departamento de Microbiologia Geral, Instituto de Microbiologia Paulo de Góes (IMPG), Universidade Federal Do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, 21941-902, Brazil
| | - Lucieri O P Souza
- Laboratório de Estudos Avançados de Microrganismos Emergentes E Resistentes (LEAMER), Departamento de Microbiologia Geral, Instituto de Microbiologia Paulo de Góes (IMPG), Universidade Federal Do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, 21941-902, Brazil
| | - Olufunso O Abosede
- Department of Chemistry, Federal University Otuoke, P.M.B 126, Yenagoa, Bayelsa State, Nigeria
- Department of Chemistry, Nelson Mandela University, PO Box 77000, Port Elizabeth, 6031, South Africa
| | - Adeniyi S Ogunlaja
- Department of Chemistry, Nelson Mandela University, PO Box 77000, Port Elizabeth, 6031, South Africa
| | - Marta H Branquinha
- Laboratório de Estudos Avançados de Microrganismos Emergentes E Resistentes (LEAMER), Departamento de Microbiologia Geral, Instituto de Microbiologia Paulo de Góes (IMPG), Universidade Federal Do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, 21941-902, Brazil.
- Rede Micologia RJ - Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ), Rio de Janeiro, 21941-902, Brazil.
| | - André L S Santos
- Laboratório de Estudos Avançados de Microrganismos Emergentes E Resistentes (LEAMER), Departamento de Microbiologia Geral, Instituto de Microbiologia Paulo de Góes (IMPG), Universidade Federal Do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, 21941-902, Brazil.
- Programa de Pós-Graduação Em Bioquímica (PPGBq), Instituto de Química, Universidade Federal Do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, 21941-909, Brazil.
- Rede Micologia RJ - Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ), Rio de Janeiro, 21941-902, Brazil.
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Aksić JM, Genčić MS, Radulović NS, Dimitrijević MV, Stojanović-Radić ZZ, Ilic Tomic T, Rodić MV. Bioisosteric ferrocenyl 1,3-thiazolidine-4-carboxylic acid derivatives: In vitro antiproliferative and antimicrobial evaluations. Bioorg Chem 2023; 139:106708. [PMID: 37487425 DOI: 10.1016/j.bioorg.2023.106708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 06/11/2023] [Accepted: 06/27/2023] [Indexed: 07/26/2023]
Abstract
To improve the antiproliferative effect of ALC67 (diastereomeric mixture of ethyl 2-phenyl-3-propioloyl-1,3-thiazolidine-4-carboxylate), its structure was modified via (i) bioisosteric substitution of the phenyl ring by the ferrocene unit and (ii) replacing the propiolamide side-chain in ACL67 with other acyl groups having differing electrophilicities. In this way, a small library of methyl N-acyl-2-ferrocenyl-1,3-thiazolidine-4-carboxylates (13 compounds in total) was created and characterized by spectral and crystallographic means. The last N-acylation step was highly diastereoselective toward the cis-diastereomer. In solution, most of the obtained compounds existed as a mixture of two rotamers and displayed a preference for the syn-orientation around the CN bond. A twisted 5T4 envelope conformation was adopted by the derivative containing the N-phenoxyacetyl group in the crystalline state. Two derivatives with chloroacetyl and bromoacetyl groups in the N-3 side chain were cytotoxic to fibroblasts and hepatocellular cancer cells in the low micromolar range (IC50(MRC5) = 9.0 and 11.8 μM, respectively, and IC50(HepG2) = 10.6 and 18.4 μM, respectively) causing an effect similar to the lead compound (IC50(HepG2) = 10.0 μM) and cisplatin (IC50(MRC5) = 4.0 μM and IC50(HepG2) = 7.7 μM). Several derivatives also manifested modest antimicrobial effects against the studied microbial strains (MICs in the range from 0.44 to 4.0 μmol/mL). Our findings demonstrated that the introduction of a ferrocene core facilitated the preparation of optically pure analogs of ALC67 and that the cytotoxicity of compounds may be enhanced by adding proper electrophilic centers to the N-acyl side-chain.
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Affiliation(s)
- Jelena M Aksić
- Department of Chemistry, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, 18000 Niš, Serbia
| | - Marija S Genčić
- Department of Chemistry, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, 18000 Niš, Serbia.
| | - Niko S Radulović
- Department of Chemistry, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, 18000 Niš, Serbia.
| | - Marina V Dimitrijević
- Department of Biology and Ecology, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, 18000 Niš, Serbia
| | - Zorica Z Stojanović-Radić
- Department of Biology and Ecology, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, 18000 Niš, Serbia
| | - Tatjana Ilic Tomic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Vojvode Stepe 444a, 11010 Belgrade, Serbia
| | - Marko V Rodić
- Department of Chemistry, Biochemistry and Environmental Protection, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovića 3, 21000 Novi Sad, Serbia
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3
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Liu Y, Zhou C, Jiang M, Arndtsen BA. Versatile Palladium-Catalyzed Approach to Acyl Fluorides and Carbonylations by Combining Visible Light- and Ligand-Driven Operations. J Am Chem Soc 2022; 144:9413-9420. [PMID: 35587132 DOI: 10.1021/jacs.2c01951] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We describe the development of a general palladium-catalyzed carbonylative method to synthesize acyl fluorides from aryl, heteroaryl, alkyl, and functionalized organic halides. Mechanistic analysis suggests that the reaction proceeds via the synergistic combination of visible light photoexcitation of Pd(0) to induce oxidative addition with a ligand-favored reductive elimination. These together create a unidirectional catalytic cycle that is uninhibited by the classical effect of carbon monoxide coordination. Coupling the catalytic formation of acyl fluorides with their subsequent nucleophilic reactions has opened a method to perform carbonylation reactions with unprecedented breadth, including the assembly of highly functionalized carbonyl-containing products.
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Affiliation(s)
- Yi Liu
- Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, Quebec H3A 0B8, Canada
| | - Cuihan Zhou
- Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, Quebec H3A 0B8, Canada
| | - Meijing Jiang
- Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, Quebec H3A 0B8, Canada
| | - Bruce A Arndtsen
- Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, Quebec H3A 0B8, Canada
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4
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Pal A, Krishna Banik B. Click Chemistry toward the Synthesis of Anticancer Agents. HETEROCYCLES 2022. [DOI: 10.3987/rev-21-970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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5
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Rübbelke M, Hamilton J, Binder F, Bauer M, King J, Nar H, Zeeb M. Discovery and Structure-Based Optimization of Fragments Binding the Mixed Lineage Kinase Domain-like Protein Executioner Domain. J Med Chem 2021; 64:15629-15638. [PMID: 34672548 DOI: 10.1021/acs.jmedchem.1c00686] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Necroptosis is a form of programmed cell death that in case of misregulation can lead to inflammatory diseases. Mixed lineage kinase domain-like protein (MLKL), the effector protein in the canonical necroptosis signaling pathway, becomes activated by phosphorylation. Here, we report the identification of novel reversible binders of the MLKL executioner domain by a protein NMR-detected fragment-based screen. Determination of protein fragment costructures using NMR spectroscopy revealed a small molecule binding site that is distinct from the previously identified binding site of covalent MLKL inhibitors. Affinity optimization of the initially prioritized hit with millimolar affinity was achieved by NMR-guided structure-based design and yielded fragment-like molecules with a KD of 50 μM. Furthermore, we demonstrate that the improved fragment competes for the same binding site as nonyl-maltoside, a detergent that in conjunction with phytic acid activates the MLKL executioner domain.
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Affiliation(s)
- Martin Rübbelke
- Medicinal Chemistry, Boehringer Ingelheim Pharma GmbH & Co. KG, Birkendorfer Str. 65, 88397 Biberach an der Riss, Germany
| | - James Hamilton
- Medicinal Chemistry, Boehringer Ingelheim Pharma GmbH & Co. KG, Birkendorfer Str. 65, 88397 Biberach an der Riss, Germany
| | - Florian Binder
- Medicinal Chemistry, Boehringer Ingelheim Pharma GmbH & Co. KG, Birkendorfer Str. 65, 88397 Biberach an der Riss, Germany
| | - Margit Bauer
- Medicinal Chemistry, Boehringer Ingelheim Pharma GmbH & Co. KG, Birkendorfer Str. 65, 88397 Biberach an der Riss, Germany
| | - Jim King
- Immunology and Respiratory Disease Research, Boehringer Ingelheim Pharmaceuticals, Inc., 900 Ridgebury Rd., Ridgefield, Connecticut 06877, United States
| | - Herbert Nar
- Medicinal Chemistry, Boehringer Ingelheim Pharma GmbH & Co. KG, Birkendorfer Str. 65, 88397 Biberach an der Riss, Germany
| | - Markus Zeeb
- Medicinal Chemistry, Boehringer Ingelheim Pharma GmbH & Co. KG, Birkendorfer Str. 65, 88397 Biberach an der Riss, Germany
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Staniszewska M, Kuryk Ł, Gryciuk A, Kawalec J, Rogalska M, Baran J, Kowalkowska A. The Antifungal Action Mode of N-Phenacyldibromobenzimidazoles. Molecules 2021; 26:molecules26185463. [PMID: 34576932 PMCID: PMC8465355 DOI: 10.3390/molecules26185463] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 08/25/2021] [Accepted: 09/02/2021] [Indexed: 11/29/2022] Open
Abstract
Our study aimed to characterise the action mode of N-phenacyldibromobenzimidazoles against C. albicans and C. neoformans. Firstly, we selected the non-cytotoxic most active benzimidazoles based on the structure–activity relationships showing that the group of 5,6-dibromobenzimidazole derivatives are less active against C. albicans vs. 4,6-dibromobenzimidazole analogues (5e–f and 5h). The substitution of chlorine atoms to the benzene ring of the N-phenacyl substituent extended the anti-C. albicans action (5e with 2,4-Cl2 or 5f with 3,4-Cl2). The excellent results for N-phenacyldibromobenzimidazole 5h against the C. albicans reference and clinical isolate showed IC50 = 8 µg/mL and %I = 100 ± 3, respectively. Compound 5h was fungicidal against the C. neoformans isolate. Compound 5h at 160–4 µg/mL caused irreversible damage of the fungal cell membrane and accidental cell death (ACD). We reported on chitinolytic activity of 5h, in accordance with the patterns observed for the following substrates: 4-nitrophenyl-N-acetyl-β-d-glucosaminide and 4-nitrophenyl-β-d-N,N′,N″-triacetylchitothiose. Derivative 5h at 16 µg/mL: (1) it affected cell wall by inducing β-d-glucanase, (2) it caused morphological distortions and (3) osmotic instability in the C. albicans biofilm-treated. Compound 5h exerted Candida-dependent inhibition of virulence factors.
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Affiliation(s)
- Monika Staniszewska
- Centre for Advanced Materials and Technologies CEZAMAT, Warsaw University of Technology, Poleczki 19, 02-822 Warsaw, Poland;
- Correspondence: (M.S.); (A.K.)
| | - Łukasz Kuryk
- Department of Virology, National Institute of Public Health-National Institute of Hygiene, Chocimska 24, 00-791 Warsaw, Poland;
- Clinical Science, Targovax Oy, Lars Sonckin Kaari 14, Espoo Stella Luna Business Park, 02600 Espoo, Finland
| | - Aleksander Gryciuk
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego St 3, 00-664 Warsaw, Poland; (A.G.); (J.K.); (M.R.)
| | - Joanna Kawalec
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego St 3, 00-664 Warsaw, Poland; (A.G.); (J.K.); (M.R.)
| | - Marta Rogalska
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego St 3, 00-664 Warsaw, Poland; (A.G.); (J.K.); (M.R.)
| | - Joanna Baran
- Centre for Advanced Materials and Technologies CEZAMAT, Warsaw University of Technology, Poleczki 19, 02-822 Warsaw, Poland;
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego St 3, 00-664 Warsaw, Poland; (A.G.); (J.K.); (M.R.)
| | - Anna Kowalkowska
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego St 3, 00-664 Warsaw, Poland; (A.G.); (J.K.); (M.R.)
- Correspondence: (M.S.); (A.K.)
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7
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Orhan E, Dülger G, Alpay M, Öksüz N, Dülger B. Synthesis, antimicrobial and antiproliferative activities of new self-assembly benzimidazole-bridged aren ruthenium rectangles in human breast cancer cells. J INCL PHENOM MACRO 2021. [DOI: 10.1007/s10847-021-01099-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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8
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Staniszewska M, Kuryk Ł, Gryciuk A, Kawalec J, Rogalska M, Baran J, Łukowska-Chojnacka E, Kowalkowska A. In Vitro Anti- Candida Activity and Action Mode of Benzoxazole Derivatives. Molecules 2021; 26:5008. [PMID: 34443595 PMCID: PMC8398596 DOI: 10.3390/molecules26165008] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 08/08/2021] [Accepted: 08/12/2021] [Indexed: 11/28/2022] Open
Abstract
A newly synthetized series of N-phenacyl derivatives of 2-mercaptobenzoxazole, including analogues of 5-bromo- and 5,7-dibromobenzoxazole, were screened against Candida strains and the action mechanism was evaluated. 2-(1,3-benzoxazol-2-ylsulfanyl)-1-(4-bromophenyl)ethanone (5d), 2-(1,3-benzoxazol-2-ylsulfanyl)-1-(2,3,4-trichloro-phenyl)ethanone (5i), 2-(1,3-benzoxazol-2-ylsulfanyl)-1-(2,4,6-trichlorophenyl)ethanone (5k) and 2-[(5-bromo-1,3-benzoxazol-2-yl)sulfanyl]-1-phenylethanone (6a) showed anti-C. albicans SC5314 activity, where 5d displayed MICT = 16 µg/mL (%R = 100) and a weak anti-proliferative activity against the clinical strains: C. albicans resistant to azoles (Itr and Flu) and C. glabrata. Derivatives 5k and 6a displayed MICP = 16 µg/mL and %R = 64.2 ± 10.6, %R = 88.0 ± 9.7, respectively, against the C. albicans isolate. Derivative 5i was the most active against C. glabrata (%R = 53.0 ± 3.5 at 16 µg/mL). Benzoxazoles displayed no MIC against C. glabrata. Benzoxazoles showed a pleiotropic action mode: (1) the total sterols content was perturbed; (2) 2-(1,3-benzoxazol-2-ylsulfanyl)-1-(3,4-dichlorophenyl)ethanol and 2-(1,3-benzoxazol-2-ylsulfanyl)-1-(2,3,4-trichlorophenyl)ethanol (8h-i) at the lowest fungistatic conc. inhibited the efflux of the Rho123 tracker during the membrane transport process; (3) mitochondrial respiration was affected/inhibited by the benzoxazoles: 2-(1,3-benzoxazol-2-ylsulfanyl)-1-(4-chlorophenyl)ethanol and 2-(1,3-benzoxazol-2-ylsulfanyl)-1-(4-bromophenyl)ethanol 8c-d and 8i. Benzoxazoles showed comparable activity to commercially available azoles due to (1) the interaction with exogenous ergosterol, (2) endogenous ergosterol synthesis blocking as well as (3) membrane permeabilizing properties typical of AmB. Benzoxazoles display a broad spectrum of anti-Candida activity and action mode towards the membrane without cross-resistance with AmB; furthermore, they are safe to mammals.
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Affiliation(s)
- Monika Staniszewska
- Centre for Advanced Materials and Technologies CEZAMAT, Warsaw University of Technology, Poleczki 19, 02-822 Warsaw, Poland;
| | - Łukasz Kuryk
- Department of Virology, National Institute of Public Health-NIH-National Research Institute, Chocimska 24, 00-791 Warsaw, Poland;
- Clinical Science, Targovax Oy, Saukonpaadenranta 2, 00180 Helsinki, Finland
| | - Aleksander Gryciuk
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego St. 3, 00-664 Warsaw, Poland; (A.G.); (J.K.); (M.R.); (E.Ł.-C.)
| | - Joanna Kawalec
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego St. 3, 00-664 Warsaw, Poland; (A.G.); (J.K.); (M.R.); (E.Ł.-C.)
| | - Marta Rogalska
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego St. 3, 00-664 Warsaw, Poland; (A.G.); (J.K.); (M.R.); (E.Ł.-C.)
| | - Joanna Baran
- Centre for Advanced Materials and Technologies CEZAMAT, Warsaw University of Technology, Poleczki 19, 02-822 Warsaw, Poland;
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego St. 3, 00-664 Warsaw, Poland; (A.G.); (J.K.); (M.R.); (E.Ł.-C.)
| | - Edyta Łukowska-Chojnacka
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego St. 3, 00-664 Warsaw, Poland; (A.G.); (J.K.); (M.R.); (E.Ł.-C.)
| | - Anna Kowalkowska
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego St. 3, 00-664 Warsaw, Poland; (A.G.); (J.K.); (M.R.); (E.Ł.-C.)
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Sharma P, LaRosa C, Antwi J, Govindarajan R, Werbovetz KA. Imidazoles as Potential Anticancer Agents: An Update on Recent Studies. Molecules 2021; 26:molecules26144213. [PMID: 34299488 PMCID: PMC8307698 DOI: 10.3390/molecules26144213] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 06/30/2021] [Accepted: 07/05/2021] [Indexed: 12/14/2022] Open
Abstract
Nitrogen-containing heterocyclic rings are common structural components of marketed drugs. Among these heterocycles, imidazole/fused imidazole rings are present in a wide range of bioactive compounds. The unique properties of such structures, including high polarity and the ability to participate in hydrogen bonding and coordination chemistry, allow them to interact with a wide range of biomolecules, and imidazole-/fused imidazole-containing compounds are reported to have a broad spectrum of biological activities. This review summarizes recent reports of imidazole/fused imidazole derivatives as anticancer agents appearing in the peer-reviewed literature from 2018 through 2020. Such molecules have been shown to modulate various targets, including microtubules, tyrosine and serine-threonine kinases, histone deacetylases, p53-Murine Double Minute 2 (MDM2) protein, poly (ADP-ribose) polymerase (PARP), G-quadraplexes, and other targets. Imidazole-containing compounds that display anticancer activity by unknown/undefined mechanisms are also described, as well as key features of structure-activity relationships. This review is intended to provide an overview of recent advances in imidazole-based anticancer drug discovery and development, as well as inspire the design and synthesis of new anticancer molecules.
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Affiliation(s)
- Pankaj Sharma
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, USA; (P.S.); (C.L.)
| | - Chris LaRosa
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, USA; (P.S.); (C.L.)
| | - Janet Antwi
- Division of Mathematics, Computer & Natural Sciences Division, Ohio Dominican University, Columbus, OH 43219, USA;
| | - Rajgopal Govindarajan
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH 43210, USA;
| | - Karl A. Werbovetz
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, USA; (P.S.); (C.L.)
- Correspondence:
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10
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Chojnacki K, Wińska P, Karatsai O, Koronkiewicz M, Milner-Krawczyk M, Wielechowska M, Rędowicz MJ, Bretner M, Borowiecki P. Synthesis of Novel Acyl Derivatives of 3-(4,5,6,7-Tetrabromo-1 H-benzimidazol-1-yl)propan-1-ols-Intracellular TBBi-Based CK2 Inhibitors with Proapoptotic Properties. Int J Mol Sci 2021; 22:6261. [PMID: 34200807 PMCID: PMC8230474 DOI: 10.3390/ijms22126261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 06/01/2021] [Accepted: 06/07/2021] [Indexed: 12/09/2022] Open
Abstract
Protein kinase CK2 has been considered as an attractive drug target for anti-cancer therapy. The synthesis of N-hydroxypropyl TBBi and 2MeTBBi derivatives as well as their respective esters was carried out by using chemoenzymatic methods. Concomitantly with kinetic studies toward recombinant CK2, the influence of the obtained compounds on the viability of two human breast carcinoma cell lines (MCF-7 and MDA-MB-231) was evaluated using MTT assay. Additionally, an intracellular inhibition of CK2 as well as an induction of apoptosis in the examined cells after the treatment with the most active compounds were studied by Western blot analysis, phase-contrast microscopy and flow cytometry method. The results of the MTT test revealed potent cytotoxic activities for most of the newly synthesized compounds (EC50 4.90 to 32.77 µM), corresponding to their solubility in biological media. We concluded that derivatives with the methyl group decrease the viability of both cell lines more efficiently than their non-methylated analogs. Furthermore, inhibition of CK2 in breast cancer cells treated with the tested compounds at the concentrations equal to their EC50 values correlates well with their lipophilicity since derivatives with higher values of logP are more potent intracellular inhibitors of CK2 with better proapoptotic properties than their parental hydroxyl compounds.
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Affiliation(s)
- Konrad Chojnacki
- Chair of Drug and Cosmetics Biotechnology, Faculty of Chemistry, Warsaw University of Technology, 00-664 Warsaw, Poland; (K.C.); (M.M.-K.); (M.W.); (M.B.); (P.B.)
| | - Patrycja Wińska
- Chair of Drug and Cosmetics Biotechnology, Faculty of Chemistry, Warsaw University of Technology, 00-664 Warsaw, Poland; (K.C.); (M.M.-K.); (M.W.); (M.B.); (P.B.)
| | - Olena Karatsai
- Laboratory of Molecular Basis of Cell Motility, Nencki Institute of Experimental Biology, Polish Academy of Sciences, 02-093 Warsaw, Poland; (O.K.); (M.J.R.)
| | - Mirosława Koronkiewicz
- Department of Drug Biotechnology and Bioinformatics, National Medicines Institute, 00-725 Warsaw, Poland;
| | - Małgorzata Milner-Krawczyk
- Chair of Drug and Cosmetics Biotechnology, Faculty of Chemistry, Warsaw University of Technology, 00-664 Warsaw, Poland; (K.C.); (M.M.-K.); (M.W.); (M.B.); (P.B.)
| | - Monika Wielechowska
- Chair of Drug and Cosmetics Biotechnology, Faculty of Chemistry, Warsaw University of Technology, 00-664 Warsaw, Poland; (K.C.); (M.M.-K.); (M.W.); (M.B.); (P.B.)
| | - Maria Jolanta Rędowicz
- Laboratory of Molecular Basis of Cell Motility, Nencki Institute of Experimental Biology, Polish Academy of Sciences, 02-093 Warsaw, Poland; (O.K.); (M.J.R.)
| | - Maria Bretner
- Chair of Drug and Cosmetics Biotechnology, Faculty of Chemistry, Warsaw University of Technology, 00-664 Warsaw, Poland; (K.C.); (M.M.-K.); (M.W.); (M.B.); (P.B.)
| | - Paweł Borowiecki
- Chair of Drug and Cosmetics Biotechnology, Faculty of Chemistry, Warsaw University of Technology, 00-664 Warsaw, Poland; (K.C.); (M.M.-K.); (M.W.); (M.B.); (P.B.)
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11
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Staniszewska M. Virulence Factors in Candida species. Curr Protein Pept Sci 2021; 21:313-323. [PMID: 31544690 DOI: 10.2174/1389203720666190722152415] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 06/06/2019] [Accepted: 07/14/2019] [Indexed: 02/08/2023]
Abstract
Fungal diseases are severe and have very high morbidity as well as up to 60% mortality for patients diagnosed with invasive fungal infection. In this review, in vitro and in vivo studies provided us with the insight into the role of Candida virulence factors that mediate their success as pathogens, such as: membrane and cell wall (CW) barriers, dimorphism, biofilm formation, signal transduction pathway, proteins related to stress tolerance, hydrolytic enzymes (e.g. proteases, lipases, haemolysins), and toxin production. The review characterized the virulence of clinically important C. albicans, C. parapsilosis, C. tropicalis, C. glabrata and C. krusei. Due to the white-opaque transition in the mating-type locus MTL-homozygous cells, C. albicans demonstrates an advantage over other less related species of Candida as a human commensal and pathogen. It was reviewed that Candida ergosterol biosynthesis genes play a role in cellular stress and are essential for Candida pathogenesis both in invasive and superficial infections. Hydrolases associated with CW are involved in the host-pathogen interactions. Adhesins are crucial in colonization and biofilm formation, an important virulence factor for candidiasis. Calcineurin is involved in membrane and CW stress as well as virulence. The hyphae-specific toxin, named candidalysin, invades mucosal cells facilitating fungal invasion into deeper tissues. Expression of this protein promotes resistance to neutrophil killing in candidiasis. The virulence factors provide immunostimulatory factors, activating dendric cells and promoting T cell infiltration and activation. Targeting virulence factors, can reduce the risk of resistance development in Candida infections.
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Affiliation(s)
- Monika Staniszewska
- Faculty of Chemistry, Warsaw University of Technology, 00-664 Warsaw, Poland
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12
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Synthesis, Physicochemical Properties, and Diuretic Activity of 8-Amino-Substituted 7-Ethyltheophyllines. Chem Nat Compd 2021. [DOI: 10.1007/s10600-021-03297-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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13
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Gizińska M, Staniszewska A, Kazek M, Koronkiewicz M, Kuryk Ł, Milner-Krawczyk M, Baran J, Borowiecki P, Staniszewska M. Antifungal polybrominated proxyphylline derivative induces Candida albicans calcineurin stress response in Galleria mellonella. Bioorg Med Chem Lett 2020; 30:127545. [PMID: 32931913 DOI: 10.1016/j.bmcl.2020.127545] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Revised: 09/02/2020] [Accepted: 09/04/2020] [Indexed: 11/29/2022]
Abstract
Candida albicans CNB1 plays a role in the response in vitro and in vivo to stress generated by PB-WUT-01, namely 1,3-dimethyl-7-(2-((1-(3-(perbromo-2H-benzo[d][1,2,3]triazol-2-yl)propyl)-1H-1,2,3-triazol-4-yl)methoxy)propyl)-1H-purine-2,6(3H,7H)-dione. The antifungal mechanism involved the calcineurin pathway-regulated genes SAP9-10. Galleria mellonella treated with PB-WUT-01 (at 0.64 µg/mg) showed limited candidiasis and remained within the highest survival rates. The molecular mode of action of PB-WUT-01 was rationalized by in silico docking studies toward both human and C. albicans calcineurin A (CNA) and calcineurin B (CNB) complexes, respectively. PB-WUT-01 acting as a calcineurin inhibitor in the C. albicans cells enhances the cells' susceptibility. Therefore it could be a suitable alternative treatment in patients with candidiasis.
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Affiliation(s)
| | - Anna Staniszewska
- Medical University of Lublin, Racławickie 1 Street, Lublin 20-059, Poland
| | - Michalina Kazek
- The Witold Stefański Institute of Parasitology, Polish Academy of Science, Twarda 51/55, Warsaw 00-818, Poland
| | | | - Łukasz Kuryk
- National Institute of Public Health-National Institute of Hygiene, Warsaw 00-791, Poland
| | | | - Joanna Baran
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, Warsaw 00-664, Poland
| | - Paweł Borowiecki
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, Warsaw 00-664, Poland.
| | - Monika Staniszewska
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, Warsaw 00-664, Poland; Centre for Advanced Materials and Technologies, Warsaw University of Technology, Poleczki 19, Warsaw 02-822, Poland.
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14
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Chugunova E, Gazizov A, Sazykina M, Akylbekov N, Gildebrant A, Sazykin I, Burilov A, Appazov N, Karchava S, Klimova M, Voloshina A, Sapunova A, Gumerova S, Khamatgalimov A, Gerasimova T, Dobrynin A, Gogoleva O, Gorshkov V. Design of Novel 4-Aminobenzofuroxans and Evaluation of Their Antimicrobial and Anticancer Activity. Int J Mol Sci 2020; 21:ijms21218292. [PMID: 33167439 PMCID: PMC7663979 DOI: 10.3390/ijms21218292] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 10/28/2020] [Accepted: 10/29/2020] [Indexed: 12/01/2022] Open
Abstract
A series of novel 4-aminobenzofuroxan derivatives containing aromatic/aliphatic amines fragments was achieved via aromatic nucleophilic substitution reaction of 4,6-dichloro-5-nitrobenzofuroxan. The quantum chemistry calculations were performed to identify the factors affecting the regioselectivity of the reaction. The formation of 4-substituted isomer is favored both by its greater stability and the lower activation barrier. Antimicrobial activity of the obtained compounds has been evaluated and some of them were found to suppress effectively bacterial biofilm growth. Fungistatic activity of 4-aminobenzofuroxans were tested on two genetically distinct isolates of M. nivale. The effect of some benzofuroxan derivatives is likely to be more universal against different varieties of M. nivale compared with benzimidazole and carbendazim. Additionally, their anti-cancer activity in vitro has been tested. 4-aminofuroxans possessing aniline moiety showed a high selectivity towards MCF-7 and M-HeLa tumor cell lines. Moreover, they exhibit a significantly lower toxicity towards normal liver cells compared to Doxorubicin and Tamoxifen. Thus, benzofuroxans containing aromatic amines fragments in their structure are promising candidates for further development both as anti-cancer and anti-microbial agents.
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Affiliation(s)
- Elena Chugunova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Kazan, Tatarstan 420088, Russia; (A.B.); (A.V.); (A.S.); (S.G.); (A.K.); (T.G.); (A.D.)
- Laboratory of Plant Infectious Diseases, FRC Kazan Scientific Center of Russian Academy of Sciences, Kazan, Tatarstan 420111, Russia; (O.G.); (V.G.)
- Correspondence: (E.C.); (A.G.); (N.A.); Tel.: +7-843-272-7324 (E.C.); +7-843-272-7324 (A.G.); +7-724-223-1041 (N.A.)
| | - Almir Gazizov
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Kazan, Tatarstan 420088, Russia; (A.B.); (A.V.); (A.S.); (S.G.); (A.K.); (T.G.); (A.D.)
- Laboratory of Plant Infectious Diseases, FRC Kazan Scientific Center of Russian Academy of Sciences, Kazan, Tatarstan 420111, Russia; (O.G.); (V.G.)
- Correspondence: (E.C.); (A.G.); (N.A.); Tel.: +7-843-272-7324 (E.C.); +7-843-272-7324 (A.G.); +7-724-223-1041 (N.A.)
| | - Marina Sazykina
- Southern Federal University, Rostov-on-Don 344090, Russia; (M.S.); (A.G.); (I.S.); (S.K.); (M.K.)
| | - Nurgali Akylbekov
- Laboratory of Engineering Profile “Physical and Chemical Methods of Analysis”, Korkyt Ata Kyzylorda University, Kyzylorda 120014, Kazakhstan;
- Correspondence: (E.C.); (A.G.); (N.A.); Tel.: +7-843-272-7324 (E.C.); +7-843-272-7324 (A.G.); +7-724-223-1041 (N.A.)
| | - Anastasiya Gildebrant
- Southern Federal University, Rostov-on-Don 344090, Russia; (M.S.); (A.G.); (I.S.); (S.K.); (M.K.)
| | - Ivan Sazykin
- Southern Federal University, Rostov-on-Don 344090, Russia; (M.S.); (A.G.); (I.S.); (S.K.); (M.K.)
| | - Alexander Burilov
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Kazan, Tatarstan 420088, Russia; (A.B.); (A.V.); (A.S.); (S.G.); (A.K.); (T.G.); (A.D.)
- Laboratory of Plant Infectious Diseases, FRC Kazan Scientific Center of Russian Academy of Sciences, Kazan, Tatarstan 420111, Russia; (O.G.); (V.G.)
| | - Nurbol Appazov
- Laboratory of Engineering Profile “Physical and Chemical Methods of Analysis”, Korkyt Ata Kyzylorda University, Kyzylorda 120014, Kazakhstan;
- I. Zhakaev Kazakh Scientific Research Institute of Rice Growing, Kyzylorda 120008, Kazakhstan
| | - Shorena Karchava
- Southern Federal University, Rostov-on-Don 344090, Russia; (M.S.); (A.G.); (I.S.); (S.K.); (M.K.)
| | - Maria Klimova
- Southern Federal University, Rostov-on-Don 344090, Russia; (M.S.); (A.G.); (I.S.); (S.K.); (M.K.)
| | - Alexandra Voloshina
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Kazan, Tatarstan 420088, Russia; (A.B.); (A.V.); (A.S.); (S.G.); (A.K.); (T.G.); (A.D.)
| | - Anastasia Sapunova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Kazan, Tatarstan 420088, Russia; (A.B.); (A.V.); (A.S.); (S.G.); (A.K.); (T.G.); (A.D.)
| | - Syumbelya Gumerova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Kazan, Tatarstan 420088, Russia; (A.B.); (A.V.); (A.S.); (S.G.); (A.K.); (T.G.); (A.D.)
| | - Ayrat Khamatgalimov
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Kazan, Tatarstan 420088, Russia; (A.B.); (A.V.); (A.S.); (S.G.); (A.K.); (T.G.); (A.D.)
| | - Tatiana Gerasimova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Kazan, Tatarstan 420088, Russia; (A.B.); (A.V.); (A.S.); (S.G.); (A.K.); (T.G.); (A.D.)
| | - Alexey Dobrynin
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Kazan, Tatarstan 420088, Russia; (A.B.); (A.V.); (A.S.); (S.G.); (A.K.); (T.G.); (A.D.)
| | - Olga Gogoleva
- Laboratory of Plant Infectious Diseases, FRC Kazan Scientific Center of Russian Academy of Sciences, Kazan, Tatarstan 420111, Russia; (O.G.); (V.G.)
| | - Vladimir Gorshkov
- Laboratory of Plant Infectious Diseases, FRC Kazan Scientific Center of Russian Academy of Sciences, Kazan, Tatarstan 420111, Russia; (O.G.); (V.G.)
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15
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Kong D, Moon PJ, Lui EKJ, Bsharat O, Lundgren RJ. Direct reversible decarboxylation from stable organic acids in dimethylformamide solution. Science 2020; 369:557-561. [PMID: 32554626 DOI: 10.1126/science.abb4129] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Accepted: 06/09/2020] [Indexed: 12/14/2022]
Abstract
Many classical and emerging methodologies in organic chemistry rely on carbon dioxide (CO2) extrusion to generate reactive intermediates for bond-forming events. Synthetic reactions that involve the microscopic reverse-the carboxylation of reactive intermediates-have conventionally been undertaken using very different conditions. We report that chemically stable C(sp3) carboxylates, such as arylacetic acids and malonate half-esters, undergo uncatalyzed reversible decarboxylation in dimethylformamide solution. Decarboxylation-carboxylation occurs with substrates resistant to protodecarboxylation by Brønsted acids under otherwise identical conditions. Isotopically labeled carboxylic acids can be prepared in high chemical and isotopic yield by simply supplying an atmosphere of 13CO2 to carboxylate salts in polar aprotic solvents. An understanding of carboxylate reactivity in solution enables conditions for the trapping of aldehydes, ketones, and α,β-unsaturated esters.
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Affiliation(s)
- Duanyang Kong
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Patrick J Moon
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Erica K J Lui
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Odey Bsharat
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Rylan J Lundgren
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada.
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16
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Marzec E, Poznański J, Paprocki D. Thermodynamic contribution of iodine atom to the binding of heterogeneously polyhalogenated benzotriazoles by the catalytic subunit of human protein kinase CK2. IUBMB Life 2020; 72:1203-1210. [PMID: 32083806 DOI: 10.1002/iub.2257] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 02/09/2020] [Indexed: 12/29/2022]
Abstract
A series of novel benzotriazole derivatives containing iodine atom(s) were synthesized. The binding of these compounds to the catalytic subunit of human protein kinase CK2 was evaluated using differential scanning fluorimetry. The obtained thermodynamic data were compared with those determined previously for the brominated and chlorinated benzotriazole analogues to get a deeper insight into the thermodynamic contribution of iodine substitution to the free energy of ligand binding. We have shown that iodine atom(s) attached to the benzene ring of benzotriazole enhance(s) its binding by the target protein. This effect is the strongest when two iodine atoms are attached at positions peripheral to the triazole ring, which according to the structures deposited in protein data bank may be indicative for the formation of the halogen bond between iodine and carbonyl groups of residues located in the hinge region of the protein. Finally, quantitative structure-activity relationship analysis pointed the solute hydrophobicity as the main factor contributing to the binding affinity.
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Affiliation(s)
- Ewa Marzec
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Warsaw, Poland
| | - Jarosław Poznański
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Warsaw, Poland
| | - Daniel Paprocki
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Warsaw, Poland
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17
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Bozorov K, Zhao J, Aisa HA. 1,2,3-Triazole-containing hybrids as leads in medicinal chemistry: A recent overview. Bioorg Med Chem 2019; 27:3511-3531. [PMID: 31300317 PMCID: PMC7185471 DOI: 10.1016/j.bmc.2019.07.005] [Citation(s) in RCA: 371] [Impact Index Per Article: 74.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Revised: 06/18/2019] [Accepted: 07/03/2019] [Indexed: 12/18/2022]
Abstract
The 1,2,3-triazole ring is a major pharmacophore system among nitrogen-containing heterocycles. These five-membered heterocyclic motifs with three nitrogen heteroatoms can be prepared easily using 'click' chemistry with copper- or ruthenium-catalysed azide-alkyne cycloaddition reactions. Recently, the 'linker' property of 1,2,3-triazoles was demonstrated, and a novel class of 1,2,3-triazole-containing hybrids and conjugates was synthesised and evaluated as lead compounds for diverse biological targets. These lead compounds have been demonstrated as anticancer, antimicrobial, anti-tubercular, antiviral, antidiabetic, antimalarial, anti-leishmanial, and neuroprotective agents. The present review summarises advances in lead compounds of 1,2,3-triazole-containing hybrids, conjugates, and their related heterocycles in medicinal chemistry published in 2018. This review will be useful to scientists in research fields of organic synthesis, medicinal chemistry, phytochemistry, and pharmacology.
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Affiliation(s)
- Khurshed Bozorov
- Key Laboratory of Plant Resources and Chemistry in Arid Regions, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, 40-1 South Beijing Rd, Urumqi 830011, PR China; Institute of the Chemistry of Plant Substances, Academy of Sciences of Uzbekistan, Mirzo Ulugbek Str. 77, Tashkent 100170, Uzbekistan.
| | - Jiangyu Zhao
- Key Laboratory of Plant Resources and Chemistry in Arid Regions, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, 40-1 South Beijing Rd, Urumqi 830011, PR China.
| | - Haji A Aisa
- Key Laboratory of Plant Resources and Chemistry in Arid Regions, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, 40-1 South Beijing Rd, Urumqi 830011, PR China.
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18
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Zhou Y, You Y, Wang ZH, Zhang XM, Xu XY, Yuan WC. Organocatalyzed Enantioselective Decarboxylative Mannich Reaction of β-Ketoacids with Pyrazolinone Ketimines for the Construction of Chiral β-Amino Ketone-Pyrazolinone Derivatives. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900346] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Yang Zhou
- National Engineering Research Center of Chiral Drugs; Chengdu Institute of Organic Chemistry; Chinese Academy of Sciences; 610041 Chengdu China
- Chengdu Institute of Organic Chemistry; University of Chinese Academy of Sciences; 100049 Beijing China
| | - Yong You
- Institute for Advanced Study; Chengdu Institute of Organic Chemistry; Chengdu University; 610106 Chengdu China
| | - Zhen-Hua Wang
- Institute for Advanced Study; Chengdu Institute of Organic Chemistry; Chengdu University; 610106 Chengdu China
| | - Xiao-Mei Zhang
- National Engineering Research Center of Chiral Drugs; Chengdu Institute of Organic Chemistry; Chinese Academy of Sciences; 610041 Chengdu China
| | - Xiao-Ying Xu
- National Engineering Research Center of Chiral Drugs; Chengdu Institute of Organic Chemistry; Chinese Academy of Sciences; 610041 Chengdu China
| | - Wei-Cheng Yuan
- National Engineering Research Center of Chiral Drugs; Chengdu Institute of Organic Chemistry; Chinese Academy of Sciences; 610041 Chengdu China
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19
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Cools F, Torfs E, Aizawa J, Vanhoutte B, Maes L, Caljon G, Delputte P, Cappoen D, Cos P. Optimization and Characterization of a Galleria mellonella Larval Infection Model for Virulence Studies and the Evaluation of Therapeutics Against Streptococcus pneumoniae. Front Microbiol 2019; 10:311. [PMID: 30846978 PMCID: PMC6394149 DOI: 10.3389/fmicb.2019.00311] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Accepted: 02/05/2019] [Indexed: 12/13/2022] Open
Abstract
Streptococcus pneumoniae is the leading cause of bacterial pneumonia. Infection is linked to high morbidity and mortality rates and antibiotic resistance within this pathogen is on the rise. Therefore, there is a need for novel antimicrobial therapies. To lower the time and costs of the drug discovery process, alternative in vivo models should be considered. As such, Galleria mellonella larvae can be of great value. The larval immunity consisting of several types of haemocytes is remarkably similar to the human innate immune system. Furthermore, these larvae don’t require specific housing, are cheap and are easy to handle. In this study, the use of a G. mellonella infection model to study early pneumococcal infections and treatment is proposed. Firstly, the fitness of this model to study pneumococcal virulence factors is confirmed using streptococcal strains TIGR4, ATCC®49619, D39 and its capsule-deficient counterpart R6 at different inoculum sizes. The streptococcal polysaccharide capsule is considered the most important virulence factor without which streptococci are unable to sustain an in vivo infection. Kaplan–Meier survival curves showed indeed a higher larval survival after infection with streptococcal strain R6 compared to strain D39. Then, the infection was characterized by determining the number of haemocytes, production of oxygen free radicals and bacterial burden at several time points during the course of infection. Lastly, treatment of infected larvae with the standard antibiotics amoxicillin and moxifloxacin was evaluated. Treatment has proven to have a positive outcome on the course of infection, depending on the administered dosage. These data imply that G. mellonella larvae can be used to evaluate antimicrobial therapies against S. pneumoniae, apart from using the larval model to study streptococcal properties. The in-depth knowledge acquired regarding this model, makes it more suitable for use in future research.
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Affiliation(s)
- Freya Cools
- Laboratory of Microbiology, Parasitology and Hygiene, Department of Pharmaceutical Sciences, University of Antwerp, Wilrijk, Belgium
| | - Eveline Torfs
- Laboratory of Microbiology, Parasitology and Hygiene, Department of Pharmaceutical Sciences, University of Antwerp, Wilrijk, Belgium
| | - Juliana Aizawa
- Laboratory of Microbiology, Parasitology and Hygiene, Department of Pharmaceutical Sciences, University of Antwerp, Wilrijk, Belgium
| | - Bieke Vanhoutte
- Laboratory of Microbiology, Parasitology and Hygiene, Department of Pharmaceutical Sciences, University of Antwerp, Wilrijk, Belgium
| | - Louis Maes
- Laboratory of Microbiology, Parasitology and Hygiene, Department of Pharmaceutical Sciences, University of Antwerp, Wilrijk, Belgium
| | - Guy Caljon
- Laboratory of Microbiology, Parasitology and Hygiene, Department of Pharmaceutical Sciences, University of Antwerp, Wilrijk, Belgium
| | - Peter Delputte
- Laboratory of Microbiology, Parasitology and Hygiene, Department of Pharmaceutical Sciences, University of Antwerp, Wilrijk, Belgium
| | - Davie Cappoen
- Laboratory of Microbiology, Parasitology and Hygiene, Department of Pharmaceutical Sciences, University of Antwerp, Wilrijk, Belgium
| | - Paul Cos
- Laboratory of Microbiology, Parasitology and Hygiene, Department of Pharmaceutical Sciences, University of Antwerp, Wilrijk, Belgium
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