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Qin H, Li L, Chen S, Han X, Min R, Guo Y, Liu T, Zhao C. Insights into the eradication of drug resistant Staphylococcus aureus via compound 6-nitrobenzo[ cd]indole-2(1 H)-ketone. J Mater Chem B 2024; 12:2481-2485. [PMID: 38375678 DOI: 10.1039/d3tb02686h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2024]
Abstract
6-Nitrobenzo[cd]indole-2(1H)-ketone (compound C2) exhibits an excellent germicidal effect against methicillin-resistant Staphylococcus aureus (MRSA). Mechanism studies show that C2 induces ROS over-production, cell membrane damage, and ATP and virulence factor down-regulation in bacteria. More importantly, C2 can inhibit biofilm formation and accelerate wound healing in a mouse infection model induced by MRSA.
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Affiliation(s)
- Hongshuang Qin
- Department of Life Science, Lyuliang University, Lvliang, Shanxi 033001, P. R. China
| | - Lin Li
- Department of Life Science, Lyuliang University, Lvliang, Shanxi 033001, P. R. China
| | - Shuhan Chen
- Department of Life Science, Lyuliang University, Lvliang, Shanxi 033001, P. R. China
| | - Xuwei Han
- School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, Shanxi 030006, P. R. China
| | - Runan Min
- School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, Shanxi 030006, P. R. China
| | - Yanxiang Guo
- Department of Life Science, Lyuliang University, Lvliang, Shanxi 033001, P. R. China
| | - Tao Liu
- Department of Chemistry and Chemical Engineering, Lyuliang University, Lvliang, Shanxi 033001, P. R. China.
| | - Chuanqi Zhao
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China.
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2
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Li L, Wu H, Wang J, Ji Z, Fang T, Lu H, Yan L, Shen F, Zhang D, Jiang Y, Ni T. Discovery of Novel 8-Hydroxyquinoline Derivatives with Potent In Vitro and In Vivo Antifungal Activity. J Med Chem 2023; 66:16364-16376. [PMID: 37975824 DOI: 10.1021/acs.jmedchem.3c01771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
Fungal pathogens can cause life-threatening infections, yet current antifungals are inadequate at treating many of these, highlighting the importance of novel drug discovery. Here, we report hit compound L14, a novel 8-hydroxyquinoline derivative with potent and broad-spectrum antifungal activity. In vitro experiments exhibited that L14 had better activity and lower cytotoxicity than that of clioquinol and showed synergy in combination with fluconazole (FLC). In a Candida albicans-infected murine model, L14 at 2 mg/kg showed better in vivo efficacy than clioquinol at reducing fungal burden and extending the survival of C. albicans-infected mice. In addition, L14 alone or in combination with FLC had significant inhibitory activity against hypha and biofilm formation. Overall, our data indicated that 8-hydroxyquinoline derivative L14 has favorable pharmacokinetics and acceptable safety profiles and could be further investigated as a promising antifungal hit compound.
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Affiliation(s)
- Liping Li
- Department of Pharmacy, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, No. 1239 Siping Road, Shanghai 200092, China
| | - Hao Wu
- Department of Pharmacy, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, No. 1239 Siping Road, Shanghai 200092, China
| | - Jiayin Wang
- Department of Pharmacy, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, No. 1239 Siping Road, Shanghai 200092, China
- School of Pharmacy, Fujian University of Traditional Chinese Medicine, 1 Qiuyang Road, Fuzhou 350112, China
| | - Zhe Ji
- Department of Pharmacy, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, No. 1239 Siping Road, Shanghai 200092, China
| | - Ting Fang
- Department of Pharmacy, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, No. 1239 Siping Road, Shanghai 200092, China
| | - Hui Lu
- Department of Pharmacy, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, No. 1239 Siping Road, Shanghai 200092, China
| | - Lan Yan
- School of Pharmacy, Naval Medical University, PLA, No. 325 Guohe Road, Shanghai 200433, China
| | - Fuming Shen
- Department of Pharmacy, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, No. 1239 Siping Road, Shanghai 200092, China
| | - Dazhi Zhang
- Department of Pharmacy, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, No. 1239 Siping Road, Shanghai 200092, China
- School of Pharmacy, Naval Medical University, PLA, No. 325 Guohe Road, Shanghai 200433, China
| | - Yuanying Jiang
- Department of Pharmacy, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, No. 1239 Siping Road, Shanghai 200092, China
| | - Tingjunhong Ni
- Department of Pharmacy, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, No. 1239 Siping Road, Shanghai 200092, China
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3
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de Souza LM, Joaquim AR, Gava A, Ficagna E, Almança MAK, Andrade SF, Fuentefria AM. In vitro evaluation of the efficacy of 8-hydroxyquinoline derivatives for the control of Phaeomoniella chlamydospora, the causative agent of Petri disease in grapevines. J Appl Microbiol 2023; 134:lxad228. [PMID: 37804172 DOI: 10.1093/jambio/lxad228] [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: 11/28/2022] [Revised: 09/27/2023] [Accepted: 10/05/2023] [Indexed: 10/09/2023]
Abstract
AIM This study evaluates the in vitro efficacy of 8-hydroxyquinoline (8HQ) derivatives in controlling the phytopathogenic fungus Phaeomoniella chlamydospora. METHODS AND RESULTS The in vitro tests assessed the susceptibility to the minimum inhibitory concentration (MIC), checkerboard assay, mycelial growth (MG) inhibition, and EC50 determination. Among the seven agricultural fungicides tested, tebuconazole (TEB) displayed the lowest MIC, 1.01 µg mL-1, followed by captan (CAP), thiophanate methyl (TM), and mancozeb with MICs of 4.06, 5.46, and 10.62 µg mL-1, respectively. The 8HQ derivatives used in this study were clioquinol and PH 151 (PH) with MICs of 1.09 and 2.02 µg mL-1, respectively. PH associated with TEB and CAP showed synergism and inhibited 95.8% of MG at the highest dose. TEB inhibited 100% of MG at the three highest doses, while associated with PH exhibited the lowest EC50 (0.863 + 0.0381 µg mL-1). CONCLUSIONS We concluded that the 8HQ derivatives tested controlled effectively the P. chlamydospora in vitro. PH associated with CAP and TEB exhibited a synergistic effect. The association between PH and TM was considered indifferent. IMPACT STATEMENT This study expands the list of active ingredients tested against P. chlamydospora, with the PH 151 and clioquinol derivatives being tested for the first time. The in vitro efficacy and synergistic action with other fungicides suggest a potential use as a grapevine wound protectant. This association makes it possible to reduce doses and increase the potency of both drugs, reducing the risk of resistance development and harm to humans and the environment.
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Affiliation(s)
- Luciana M de Souza
- Programa de Pós-Graduação em Microbiologia Agrícola e do Ambiente, Universidade Federal do Rio Grande do Sul, Porto Alegre/RS. 90035-003, Brazil
- Instituto Federal do Rio Grande do Sul/Campus Bento Gonçalves, Bento Gonçalves/RS. 95700-000, Brazil
| | - Angelica R Joaquim
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Porto Alegre/RS. 90610-000, Brazil
| | - Angelo Gava
- Programa de Pós-Graduação em Microbiologia Agrícola e do Ambiente, Universidade Federal do Rio Grande do Sul, Porto Alegre/RS. 90035-003, Brazil
| | - Evandro Ficagna
- Instituto Federal do Rio Grande do Sul/Campus Bento Gonçalves, Bento Gonçalves/RS. 95700-000, Brazil
| | - Marcus A K Almança
- Instituto Federal do Rio Grande do Sul/Campus Bento Gonçalves, Bento Gonçalves/RS. 95700-000, Brazil
| | - Saulo F Andrade
- Programa de Pós-Graduação em Microbiologia Agrícola e do Ambiente, Universidade Federal do Rio Grande do Sul, Porto Alegre/RS. 90035-003, Brazil
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Porto Alegre/RS. 90610-000, Brazil
| | - Alexandre M Fuentefria
- Programa de Pós-Graduação em Microbiologia Agrícola e do Ambiente, Universidade Federal do Rio Grande do Sul, Porto Alegre/RS. 90035-003, Brazil
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Porto Alegre/RS. 90610-000, Brazil
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4
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Kuramarohit S, Yaourtis AM, Nguyen A, Wood ML, Levina A, Lay PA. Anti-Migratory and Cytotoxic Activities of [Ga(8-hydroxyquinolinato) 3 ]: Roles of Endogenous Cu(II) and Drug-Induced Phenotypic Changes. Chemistry 2023; 29:e202203323. [PMID: 37385951 DOI: 10.1002/chem.202203323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 06/22/2023] [Accepted: 06/22/2023] [Indexed: 07/01/2023]
Abstract
As shown by IncuCyte Zoom imaging proliferation assays, invasive triple-negative human breast MDA-MB-231 cancer cells treated with sub-toxic doses (5.0-20 μM, 72 h) of [GaQ3 ] (Q=8-hydroxyquinolinato) caused profound morphological changes and inhibition of cell migration, which were likely due to terminal cell differentiation or similar phenotypical change. This is the first demonstration of potential use of a metal complex in differentiation anti-cancer therapy. Additionally, a trace amount of Cu(II) (0.20 μM) added to the medium dramatically increased [GaQ3 ] cytotoxicity (IC50 ~2 μM, 72 h) due to its partial dissociation and the action of the HQ ligand as a Cu(II) ionophore, as shown with electrospray mass spectrometry and fluorescence spectroscopy assays in the medium. Hence, cytotoxicity of [GaQ3 ] is strongly linked to ligand binding of essential metal ions in the medium, for example, Cu(II). Appropriate delivery mechanisms of such complexes and their ligands could enable a powerful new triple therapeutic approach for cancer chemotherapy, including cytotoxicity against primary tumour, arrest of metastases, and activation of innate and adaptive immune responses.
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Affiliation(s)
- Serene Kuramarohit
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia
- University of California, Berkeley, USA
| | - Andria M Yaourtis
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia
| | - Annie Nguyen
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia
| | - Michelle L Wood
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia
- Sydney Analytical, The University of Sydney, Sydney, NSW 2006, Australia
| | - Aviva Levina
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia
| | - Peter A Lay
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia
- Sydney Analytical, The University of Sydney, Sydney, NSW 2006, Australia
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5
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Mudarmah K, Bagale B, Chen G, Krause JA, Mighion JD, Huang SD. Harnessing the dual antimicrobial mode of action with a lipophilic Mn(II) complex using the principle of the Irving-Williams Series to completely eradicate Staphylococcus aurous. Dalton Trans 2023; 52:12203-12207. [PMID: 37609944 DOI: 10.1039/d3dt01904g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/24/2023]
Abstract
The judicious selection of 5,7-dibromo-2-methy-8-quinolinol (BQ) as a Mn(II) ionophore results in the synthesis of Mn(BQ)2(DMSO)2·DMSO (1), a potent metalloantibiotic with a dual antimicrobial mode of action against four different strains of Staphylococcus aurous (SA) bacteria (MIC = 0.625 μg mL-1). Additionally, 1 can overcome ciprofloxacin-resistance in methicillin-resistant SA bacteria.
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Affiliation(s)
- Khalil Mudarmah
- Department of Chemistry and Biochemistry, Kent State University, Kent, OH 44240, USA.
- Department of Chemistry, Jazan University, Jazan, 45142, Saudi Arabia
| | - Bijaya Bagale
- Department of Chemistry and Biochemistry, Kent State University, Kent, OH 44240, USA.
| | - Guanyu Chen
- Department of Chemistry and Biochemistry, Kent State University, Kent, OH 44240, USA.
| | - Jeanette A Krause
- Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221-0172, USA
| | - Jeffrey D Mighion
- Department of Chemistry and Biochemistry, Kent State University, Kent, OH 44240, USA.
| | - Songping D Huang
- Department of Chemistry and Biochemistry, Kent State University, Kent, OH 44240, USA.
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Wen X, Zhang M, Duan Z, Suo Y, Lu W, Jin R, Mu B, Li K, Zhang X, Meng L, Hong Y, Wang X, Hu H, Zhu J, Song W, Shen A, Lu X. Discovery, SAR Study of GST Inhibitors from a Novel Quinazolin-4(1 H)-one Focused DNA-Encoded Library. J Med Chem 2023; 66:11118-11132. [PMID: 37552553 DOI: 10.1021/acs.jmedchem.2c02129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2023]
Abstract
The DNA-encoded library (DEL) is a powerful hit-generation tool in drug discovery. This study describes a new DEL with a privileged scaffold quinazolin-4(3H)-one developed by a robust DNA-compatible multicomponent reaction and a series of novel glutathione S-transferase (GST) inhibitors that were identified through affinity-mediated DEL selection. A novel inhibitor 16 was subsequently verified with an inhibitory potency value of 1.55 ± 0.02 μM against SjGST and 2.02 ± 0.20 μM against hGSTM2. Further optimization was carried out via various structure-activity relationship studies. And especially, the co-crystal structure of the compound 16 with the SjGST was unveiled, which clearly demonstrated its binding mode was quite different from the known GSH-like compounds. This new type of probe is likely to play a different role compared with the GSH, which may provide new opportunities to discover more potent GST inhibitors.
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Affiliation(s)
- Xin Wen
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai 201203, P. R. China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
| | - Minmin Zhang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai 201203, P. R. China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
| | - Zhiqiang Duan
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai 201203, P. R. China
| | - Yanrui Suo
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai 201203, P. R. China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
| | - Weiwei Lu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai 201203, P. R. China
| | - Rui Jin
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai 201203, P. R. China
| | - Baiyang Mu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai 201203, P. R. China
| | - Kaige Li
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai 201203, P. R. China
| | - Xu Zhang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai 201203, P. R. China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
| | - Linghua Meng
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai 201203, P. R. China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
| | - Yu Hong
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai 201203, P. R. China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
| | - Xingyu Wang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai 201203, P. R. China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
| | - Hangchen Hu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai 201203, P. R. China
| | - Jian Zhu
- Protein Crystallography Platform, WuXi AppTec (Suzhou) Co., Ltd., 1318 Wuzhong Avenue, Wuzhong District, Suzhou 215104, China
| | - Weixiao Song
- Protein Crystallography Platform, WuXi AppTec (Suzhou) Co., Ltd., 1318 Wuzhong Avenue, Wuzhong District, Suzhou 215104, China
| | - Aijun Shen
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai 201203, P. R. China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
- Lingang Laboratory, Shanghai 200031, China
| | - Xiaojie Lu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai 201203, P. R. China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
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7
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de Chaves MA, da Costa BS, de Souza JA, Batista MA, de Andrade SF, Hage-Melim LIDS, Abegg M, Lopes MS, Fuentefria AM. In silico and in vitro analysis of the mechanisms of action of nitroxoline against some medically important opportunistic fungi. J Mycol Med 2023; 33:101411. [PMID: 37413753 DOI: 10.1016/j.mycmed.2023.101411] [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: 02/01/2023] [Revised: 06/04/2023] [Accepted: 06/26/2023] [Indexed: 07/08/2023]
Abstract
The increasing resistance to antifungal agents associated with toxicity and interactions turns therapeutic management of fungal infections difficult. This scenario emphasizes the importance of drug repositioning, such as nitroxoline - a urinary antibacterial agent that has shown potential antifungal activity. The aims of this study were to discover the possible therapeutic targets of nitroxoline using an in silico approach, and to determine the in vitro antifungal activity of the drug against the fungal cell wall and cytoplasmic membrane. We explored the biological activity of nitroxoline using PASS, SwissTargetPrediction and Cortellis Drug Discovery Intelligence web tools. After confirmation, the molecule was designed and optimized in HyperChem software. GOLD 2020.1 software was used to predict the interactions between the drug and the target proteins. In vitro investigation evaluated the effect of nitroxoline on the fungal cell wall through sorbitol protection assay. Ergosterol binding assay was carried out to assess the effect of the drug on the cytoplasmic membrane. In silico investigation revealed biological activity with alkane 1-monooxygenase and methionine aminopeptidase enzymes, showing nine and five interactions in the molecular docking, respectively. In vitro results exhibited no effect on the fungal cell wall or cytoplasmic membrane. Finally, nitroxoline has potential as an antifungal agent due to the interaction with alkane 1-monooxygenase and methionine aminopeptidase enzymes, which are not the main human therapeutic targets. These results have potentially revealed a new biological target for the treatment of fungal infections. We also consider that further studies are required to confirm the biological activity of nitroxoline on fungal cells, mainly the confirmation of the alkB gene.
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Affiliation(s)
- Magda Antunes de Chaves
- Graduate Program in Agricultural and Environmental Microbiology, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.
| | - Bárbara Souza da Costa
- Graduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Jade André de Souza
- Graduate Program in Agricultural and Environmental Microbiology, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Mateus Alves Batista
- Laboratory of Pharmaceutical and Medicinal Chemistry (PharMedChem), Federal University of Amapá, Rod JK Km 2, Macapá, Amapá, Brazil
| | - Saulo Fernandes de Andrade
- Graduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | | | - Maxwell Abegg
- Institute of Exact Sciences and Technology, Federal University of Amazonas, Itacoatiara, Amazonas, Brazil
| | - Marcela Silva Lopes
- Graduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Alexandre Meneghello Fuentefria
- Graduate Program in Agricultural and Environmental Microbiology, Federal University of Rio Grande do Sul, Porto Alegre, Brazil; Graduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
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8
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Côrte-Real L, Pósa V, Martins M, Colucas R, May NV, Fontrodona X, Romero I, Mendes F, Pinto Reis C, Gaspar MM, Pessoa JC, Enyedy ÉA, Correia I. Cu(II) and Zn(II) Complexes of New 8-Hydroxyquinoline Schiff Bases: Investigating Their Structure, Solution Speciation, and Anticancer Potential. Inorg Chem 2023. [PMID: 37441730 PMCID: PMC10369496 DOI: 10.1021/acs.inorgchem.3c01066] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/15/2023]
Abstract
We report the synthesis and characterization of three novel Schiff bases (L1-L3) derived from the condensation of 2-carbaldehyde-8-hydroxyquinoline with amines containing morpholine or piperidine moieties. These were reacted with CuCl2 and ZnCl2 yielding six new coordination compounds, with the general formula ML2, where M = Cu(II) or Zn(II) and L = L1-L3, which were all characterized by analytical, spectroscopic (Fourier transform infrared (FTIR), UV-visible absorption, nuclear magnetic resonance (NMR), or electron paramagnetic resonance (EPR)), and mass spectrometric techniques, as well as by single-crystal X-ray diffraction. In the solid state, two Cu(II) complexes, with L1 and L2, are obtained as dinuclear compounds, with relatively short Cu-Cu distances (3.146 and 3.171 Å for Cu2(L1)4 and Cu2(L2)4, respectively). The free ligands show moderate lipophilicity, while their complexes are more lipophilic. The pKa values of L1-L3 and formation constants of the complex (for ML and ML2) species were determined by spectrophotometric titrations, with the Cu(II) complexes showing higher stability than the Zn(II) complexes. EPR indicated the presence of several species in solution as pH varied and binding modes were proposed. The binding of the complexes to bovine serum albumin (BSA) was evaluated by fluorescence and circular dichroism (CD) spectroscopies. All complexes bind BSA, and as demonstrated by CD, the process takes several hours to reach equilibrium. The antiproliferative activity was evaluated in malignant melanoma cells (A375) and in noncancerous keratinocytes (HaCaT). All complexes display significant cytotoxicity (IC50 < 10 μM) but modest selectivity. The complexes show higher activity than the free ligands, the Cu(II) complexes being more active than the Zn(II) complexes, and approximately twice more cytotoxic than cisplatin. A Guava ViaCount assay corroborated the antiproliferative activity.
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Affiliation(s)
- Leonor Côrte-Real
- Centro de Química Estrutural, Institute of Molecular Sciences, and Department of Chemical Engineering, Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais 1, 1049-001 Lisboa, Portugal
| | - Vivien Pósa
- MTA-SZTE Lendület Functional Metal Complexes Research Group, Department of Inorganic and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary
| | - Matilde Martins
- Centro de Química Estrutural, Institute of Molecular Sciences, and Department of Chemical Engineering, Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais 1, 1049-001 Lisboa, Portugal
| | - Raquel Colucas
- Centro de Química Estrutural, Institute of Molecular Sciences, and Department of Chemical Engineering, Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais 1, 1049-001 Lisboa, Portugal
| | - Nóra V May
- Centre for Structural Science, Research Centre for Natural Sciences, Eötvös Loránd Research Network, Magyar Tudósok krt. 2, H-1117 Budapest, Hungary
| | - Xavier Fontrodona
- Departament de Química and Serveis Tècnics de Recerca, Universitat de Girona, Campus de Montilivi, E-17071 Girona, Spain
| | - Isabel Romero
- Departament de Química and Serveis Tècnics de Recerca, Universitat de Girona, Campus de Montilivi, E-17071 Girona, Spain
| | - Filipa Mendes
- Centro de Ciências e Tecnologias Nucleares and Department of Nuclear Sciences and Engineering, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km139,7), 2695-066 Bobadela LRS, Portugal
| | - Catarina Pinto Reis
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
- Instituto de Biofísica e Engenharia Biomédica, Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal
| | - Maria Manuela Gaspar
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - João Costa Pessoa
- Centro de Química Estrutural, Institute of Molecular Sciences, and Department of Chemical Engineering, Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais 1, 1049-001 Lisboa, Portugal
| | - Éva A Enyedy
- MTA-SZTE Lendület Functional Metal Complexes Research Group, Department of Inorganic and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary
| | - Isabel Correia
- Centro de Química Estrutural, Institute of Molecular Sciences, and Department of Chemical Engineering, Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais 1, 1049-001 Lisboa, Portugal
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9
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A Superior Corrosion Protection of Mg Alloy via Smart Nontoxic Hybrid Inhibitor-Containing Coatings. Molecules 2023; 28:molecules28062538. [PMID: 36985514 PMCID: PMC10056050 DOI: 10.3390/molecules28062538] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/07/2023] [Accepted: 03/08/2023] [Indexed: 03/14/2023] Open
Abstract
The increase of corrosion resistance of magnesium and its alloys by forming the smart self-healing hybrid coatings was achieved in this work in two steps. In the first step, using the plasma electrolytic oxidation (PEO) treatment, a ceramic-like bioactive coating was synthesized on the surface of biodegradable MA8 magnesium alloy. During the second step, the formed porous PEO layer was impregnated with a corrosion inhibitor 8-hydroxyquinoline (8-HQ) and bioresorbable polymer polycaprolactone (PCL) in different variations to enhance the protective properties of the coating. The composition, anticorrosion, and antifriction properties of the formed coatings were studied. 8-HQ allows controlling the rate of material degradation due to the self-healing effect of the smart coating. PCL treatment of the inhibitor-containing layer significantly improves the corrosion and wear resistance and retains an inhibitor in the pores of the PEO layer. It was revealed that the corrosion inhibitor incorporation method (including the number of steps, impregnation, and the type of solvent) significantly matters to the self-healing mechanism. The hybrid coatings obtained by a 1-step treatment in a dichloromethane solution containing 6 wt.% polycaprolactone and 15 g/L of 8-HQ are characterized by the best corrosion resistance. This coating demonstrates the lowest value of corrosion current density (3.02 × 10−7 A cm−2). The formation of the hybrid coating results in the corrosion rate decrease by 18 times (0.007 mm year−1) as compared to the blank PEO layer (0.128 mm year−1). An inhibitor efficiency was established to be 83.9%. The mechanism of corrosion protection of Mg alloy via smart hybrid coating was revealed.
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Hoffmann AM, Wolke M, Rybniker J, Plum G, Fuchs F. Activity of the old antimicrobial nitroxoline against Mycobacterium abscessus complex isolates. J Glob Antimicrob Resist 2023; 33:1-4. [PMID: 36842457 DOI: 10.1016/j.jgar.2023.02.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 01/30/2023] [Accepted: 02/07/2023] [Indexed: 02/28/2023] Open
Abstract
OBJECTIVES The old antimicrobial nitroxoline is approved to treat urinary tract infection (UTI) and is currently rediscovered for treatment of drug resistant pathogens. Mycobacteria of the Mycobacterium abscessus complex (MYABS) are rapid-growing nontuberculous mycobacteria that are associated with difficult to treat infections of the lungs in patients with pulmonary disorders such as cystic fibrosis. In this study we assessed the in vitro activity of nitroxoline against molecularly characterized drug-resistant MYABS isolates from clinical samples to address potential repurposing of nitroxoline in difficult-to-treat MYABS infection. METHODS The isolates originated from clinical samples collected between 2010 and 2019 at the University Hospital of Cologne, Germany (N=16; 10/16 M. abscessus Spp. abscessus, 4/16 M. abscessus Spp. massiliense, 2/16 M. abscessus Spp. bolletii). Nitroxoline activity was compared to standard antimicrobials recommended for treatment of MYABS infection. For drug susceptibility testing of nitroxoline and comparators broth microdilution was performed based on current Clinical and Laboratory Standards Institute (CLSI) guidelines. RESULTS Nitroxoline yielded a MIC90 of 4 mg/L (range 2-4 mg/L), which is two twofold dilutions below the current EUCAST susceptibility breakpoint of ≤ 16 mg/L (limited to uncomplicated UTI and Escherichia coli). Resistance to other antimicrobials was common in our cohort (16/16 isolates resistant to ciprofloxacin, imipenem and doxycycline; 12/16 isolates resistant to tobramycin; 9/16 isolates resistant to cefoxitin; 7/16 isolates resistant to clarithromycin; 2/16 isolates resistant to amikacin). CONCLUSION Nitroxoline has a promising in vitro activity against drug-resistant MYABS isolates. Future studies should investigate this finding with macrophage and in vivo models.
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Affiliation(s)
- Ada Marie Hoffmann
- Institute for Medical Microbiology, Immunology and Hygiene, Medical faculty and University Hospital of Cologne, Cologne, Germany
| | - Martina Wolke
- Institute for Medical Microbiology, Immunology and Hygiene, Medical faculty and University Hospital of Cologne, Cologne, Germany
| | - Jan Rybniker
- Department I of Internal Medicine, University of Cologne, Cologne, Germany; German Center for Infection Research (DZIF), partner site Bonn Cologne
| | - Georg Plum
- Institute for Medical Microbiology, Immunology and Hygiene, Medical faculty and University Hospital of Cologne, Cologne, Germany
| | - Frieder Fuchs
- Institute for Medical Microbiology, Immunology and Hygiene, Medical faculty and University Hospital of Cologne, Cologne, Germany; Department of Microbiology and Hospital Hygiene, Bundeswehr Central Hospital Koblenz, Koblenz, Germany.
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Takale KD, Watwe VS, Walimbe PC, Kulkarni PS, Kulkarni SD. Cu(II)-Metallized Three-Layered Cu-8HQ Complex with Hierarchical Crystallite Morphologies Synthesized via Reaction-Diffusion. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:2641-2651. [PMID: 36779677 DOI: 10.1021/acs.langmuir.2c03080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Self-organization of regular band patterns of the precipitate via a reaction-diffusion (RD) framework is called Liesegang phenomenon. This non-equilibrium system is emerging as an efficient method for synthesizing materials with unique morphologies that may have desired properties. The formation of continuous precipitation inside a band with poor control over the shape and size of sparingly soluble salts has been well documented. However, only a few reports on forming organic-inorganic bonds are available. In the present work, we demonstrate the formation of 2D frameworks of bis-(8-hydroxyquinoline) copper(II) in the agar gel via RD. The macroscopic particles were dumbbell-shaped, with aspect ratios ranging from 2.7 (inner bands) to 0.7 (outer bands). The particles were composed of ribbon-shaped crystallites at the microscopic level, each with three layers of parallelogram prismatic monoclinic sheets stacked over one another, which could easily be exfoliated. The powder X-ray diffraction patterns at low angles and the surface areas of the crystallites indicated the formation of metal-organic frameworks. It was observed that the sizes of the particles could be tuned by controlling the extent of diffusion using reactant concentrations. Since such heterostructures have energy storage capacity, the cyclic voltammograms of the unexfoliated and exfoliated materials showed that they fall in the pseudocapacitor category with potential application as the electrode material. The frameworks were further characterized by techniques such as optical and electron microscopy, X-ray diffraction, IR spectroscopy, and UV-visible spectrophotometry.
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Affiliation(s)
- Kiran D Takale
- Post Graduate and Research Center, Department of Chemistry, S.P.Mandali's Sir Parashurambhau College [Savitribai Phule Pune University (formerly University of Pune)], Tilak Road, Maharashtra, Pune 411 030, India
| | - Varuna S Watwe
- Post Graduate and Research Center, Department of Chemistry, MES Abasaheb Garware College [Savitribai Phule Pune University (formerly University of Pune)], Karve Road, Pune 411 004, India
| | - Prasad C Walimbe
- Post Graduate and Research Center, Department of Chemistry, S.P.Mandali's Sir Parashurambhau College [Savitribai Phule Pune University (formerly University of Pune)], Tilak Road, Maharashtra, Pune 411 030, India
| | - Preeti S Kulkarni
- Post Graduate and Research Center, Department of Chemistry, MES Abasaheb Garware College [Savitribai Phule Pune University (formerly University of Pune)], Karve Road, Pune 411 004, India
| | - Sunil D Kulkarni
- Post Graduate and Research Center, Department of Chemistry, S.P.Mandali's Sir Parashurambhau College [Savitribai Phule Pune University (formerly University of Pune)], Tilak Road, Maharashtra, Pune 411 030, India
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Computational and experimental studies on spectra and bonding of cyclohexane linked tris-hydroxyquinoline flexible tripodal chelator and its complexes. CHEMICAL PAPERS 2023. [DOI: 10.1007/s11696-023-02695-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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13
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8- Hydroxyquinolylnitrones as multifunctional ligands for the therapy of neurodegenerative diseases. Acta Pharm Sin B 2023; 13:2152-2175. [DOI: 10.1016/j.apsb.2023.01.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 12/28/2022] [Accepted: 01/05/2023] [Indexed: 01/20/2023] Open
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Pivarcsik T, Pósa V, Kovács H, May NV, Spengler G, Pósa SP, Tóth S, Nezafat Yazdi Z, Özvegy-Laczka C, Ugrai I, Szatmári I, Szakács G, Enyedy ÉA. Metal Complexes of a 5-Nitro-8-Hydroxyquinoline-Proline Hybrid with Enhanced Water Solubility Targeting Multidrug Resistant Cancer Cells. Int J Mol Sci 2022; 24:ijms24010593. [PMID: 36614037 PMCID: PMC9820345 DOI: 10.3390/ijms24010593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 12/20/2022] [Accepted: 12/23/2022] [Indexed: 12/31/2022] Open
Abstract
Multidrug resistance (MDR) in cancer is one of the major obstacles of chemotherapy. We have recently identified a series of 8-hydroxyquinoline Mannich base derivatives with MDR-selective toxicity, however with limited solubility. In this work, a novel 5-nitro-8-hydroxyquinoline-proline hybrid and its Rh(η5-C5Me5) and Ru(η6-p-cymene) complexes with excellent aqueous solubility were developed, characterized, and tested against sensitive and MDR cells. Complex formation of the ligand with essential metal ions was also investigated using UV-visible, circular dichroism, 1H NMR (Zn(II)), and electron paramagnetic resonance (Cu(II)) spectroscopic methods. Formation of mono and bis complexes was found in all cases with versatile coordination modes, while tris complexes were also formed with Fe(II) and Fe(III) ions, revealing the metal binding affinity of the ligand at pH 7.4: Cu(II) > Zn(II) > Fe(II) > Fe(III). The ligand and its Rh(III) complex displayed enhanced cytotoxicity against the resistant MES-SA/Dx5 and Colo320 human cancer cell lines compared to their chemosensitive counterparts. Both organometallic complexes possess high stability in solution, however the Ru(II) complex has lower chloride ion affinity and slower ligand exchange processes, along with the readiness to lose the arene ring that is likely connected to its inactivity.
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Affiliation(s)
- Tamás Pivarcsik
- MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary
- Department of Inorganic and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary
| | - Vivien Pósa
- MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary
- Department of Inorganic and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary
| | - Hilda Kovács
- MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary
- Department of Inorganic and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary
| | - Nóra V. May
- Centre for Structural Science, Research Centre for Natural Sciences, Eötvös Loránd Research Network, Magyar Tudósok krt. 2, H-1117 Budapest, Hungary
| | - Gabriella Spengler
- MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary
- Department of Medical Microbiology, Albert Szent-Györgyi Health Center, Albert Szent-Györgyi Medical School, University of Szeged, Semmelweis u. 6, H-6725 Szeged, Hungary
| | - Szonja P. Pósa
- Drug Resistance Research Group, Institute of Enzymology, Research Centre for Natural Sciences, Eötvös Loránd Research Network, Magyar Tudósok krt. 2, H-1117 Budapest, Hungary
- National Laboratory for Drug Research and Development, Magyar Tudósok krt. 2, H-1117 Budapest, Hungary
| | - Szilárd Tóth
- Drug Resistance Research Group, Institute of Enzymology, Research Centre for Natural Sciences, Eötvös Loránd Research Network, Magyar Tudósok krt. 2, H-1117 Budapest, Hungary
- National Laboratory for Drug Research and Development, Magyar Tudósok krt. 2, H-1117 Budapest, Hungary
| | - Zeinab Nezafat Yazdi
- Drug Resistance Research Group, Institute of Enzymology, Research Centre for Natural Sciences, Eötvös Loránd Research Network, Magyar Tudósok krt. 2, H-1117 Budapest, Hungary
| | - Csilla Özvegy-Laczka
- Drug Resistance Research Group, Institute of Enzymology, Research Centre for Natural Sciences, Eötvös Loránd Research Network, Magyar Tudósok krt. 2, H-1117 Budapest, Hungary
| | - Imre Ugrai
- Institute of Pharmaceutical Chemistry and Stereochemistry Research Group, Eötvös Loránd Research Network, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary
| | - István Szatmári
- Institute of Pharmaceutical Chemistry and Stereochemistry Research Group, Eötvös Loránd Research Network, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary
| | - Gergely Szakács
- Drug Resistance Research Group, Institute of Enzymology, Research Centre for Natural Sciences, Eötvös Loránd Research Network, Magyar Tudósok krt. 2, H-1117 Budapest, Hungary
- Institute of Cancer Research, Medical University of Vienna, Borschkegasse 8a, A-1090 Vienna, Austria
| | - Éva A. Enyedy
- MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary
- Department of Inorganic and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary
- Correspondence:
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He T, Liang C, Huang S. Cobalt-electrocatalytic C-H hydroxyalkylation of N-heteroarenes with trifluoromethyl ketones. Chem Sci 2022; 14:143-148. [PMID: 36605737 PMCID: PMC9769098 DOI: 10.1039/d2sc05198b] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 11/21/2022] [Indexed: 11/23/2022] Open
Abstract
Trifluoromethyl carbinols and N-heteroarenes are both prevalent in bioactive molecules. However, access to high-value pharmacophores combining these two functional groups still remains a challenge. Herein, we report an electro-chemical redox-neutral coupling for the synthesis of N-heteroaryl trifluoromethyl carbinols from readily available N-heteroarenes and trifluoromethyl ketones. The reaction starts with reversing the polarity of ketones to nucleophilic ketyl radicals through an electrocatalytic proton-coupled electron transfer (PCET), followed by radical addition to heteroarenes and rearomatization to afford tertiary alcohol products. Importantly, the merging of paired electrolysis and cobalt catalysis is crucial to this regioselective C-H hydroxyalkylation of heteroarenes, and thus avoids several known competing pathways including the spin-center shift (SCS) process. Collectively, this protocol provides straightforward access to heteroaryl trifluoromethyl carbinols, featuring ideal atom economy, excellent regioselectivity, and paired redox-neutral electrolysis.
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Affiliation(s)
- Tianyu He
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry UniversityNanjing 210037China
| | - Chaoqiang Liang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry UniversityNanjing 210037China
| | - Shenlin Huang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry UniversityNanjing 210037China
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Yıldız M, Bayrak N, Yıldırım H, Çakmak SM, Yılmaz FN, Mataracı-Kara E, Shilkar D, Jayaprakash V, TuYuN AF. Discovery of quinolinequinones with N-phenylpiperazine by conversion of hydroxyquinoline as a new class of antimicrobial agents targeting resistant pathogenic microorganisms. Bioorg Chem 2022; 128:106045. [DOI: 10.1016/j.bioorg.2022.106045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 07/13/2022] [Accepted: 07/18/2022] [Indexed: 11/02/2022]
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17
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Koçak Aslan E, Han Mİ, Krishna VS, Tamhaev R, Dengiz C, Doğan ŞD, Lherbet C, Mourey L, Tønjum T, Gündüz MG. Isoniazid Linked to Sulfonate Esters via Hydrazone Functionality: Design, Synthesis, and Evaluation of Antitubercular Activity. Pharmaceuticals (Basel) 2022; 15:ph15101301. [PMID: 36297413 PMCID: PMC9609273 DOI: 10.3390/ph15101301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 10/16/2022] [Accepted: 10/19/2022] [Indexed: 01/24/2023] Open
Abstract
Isoniazid (INH) is one of the key molecules employed in the treatment of tuberculosis (TB), the most deadly infectious disease worldwide. However, the efficacy of this cornerstone drug has seriously decreased due to emerging INH-resistant strains of Mycobacterium tuberculosis (Mtb). In the present study, we aimed to chemically tailor INH to overcome this resistance. We obtained thirteen novel compounds by linking INH to in-house synthesized sulfonate esters via a hydrazone bridge (SIH1-SIH13). Following structural characterization by FTIR, 1H NMR, 13C NMR, and HRMS, all compounds were screened for their antitubercular activity against Mtb H37Rv strain and INH-resistant clinical isolates carrying katG and inhA mutations. Additionally, the cytotoxic effects of SIH1-SIH13 were assessed on three different healthy host cell lines; HEK293, IMR-90, and BEAS-2B. Based on the obtained data, the synthesized compounds appeared as attractive antimycobacterial drug candidates with low cytotoxicity. Moreover, the stability of the hydrazone moiety in the chemical structure of the final compounds was confirmed by using UV/Vis spectroscopy in both aqueous medium and DMSO. Subsequently, the compounds were tested for their inhibitory activities against enoyl acyl carrier protein reductase (InhA), the primary target enzyme of INH. Although most of the synthesized compounds are hosted by the InhA binding pocket, SIH1-SIH13 do not primarily show their antitubercular activities by direct InhA inhibition. Finally, in silico determination of important physicochemical parameters of the molecules showed that SIH1-SIH13 adhered to Lipinski's rule of five. Overall, our study revealed a new strategy for modifying INH to cope with the emerging drug-resistant strains of Mtb.
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Affiliation(s)
- Ebru Koçak Aslan
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Hacettepe University, Sıhhiye, Ankara 06100, Turkey
| | - Muhammed İhsan Han
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Erciyes University, Kayseri 38039, Turkey
| | - Vagolu Siva Krishna
- Unit for Genome Dynamics, Department of Microbiology, University of Oslo, 0316 Oslo, Norway
| | - Rasoul Tamhaev
- LSPCMIB, UMR-CNRS 5068, Université Paul Sabatier-Toulouse III, 118 Route de Narbonne, CEDEX 9, 31062 Toulouse, France
- Institut de Pharmacologie et de Biologie Structurale, Université Toulouse III—Paul Sabatier, Centre National de la Recherche Scientifique, 31077 Toulouse, France
| | - Cagatay Dengiz
- Department of Chemistry, Middle East Technical University, Ankara 06800, Turkey
| | - Şengül Dilem Doğan
- Department of Basic Sciences, Faculty of Pharmacy, Erciyes University, Kayseri 38039, Turkey
| | - Christian Lherbet
- LSPCMIB, UMR-CNRS 5068, Université Paul Sabatier-Toulouse III, 118 Route de Narbonne, CEDEX 9, 31062 Toulouse, France
| | - Lionel Mourey
- Institut de Pharmacologie et de Biologie Structurale, Université Toulouse III—Paul Sabatier, Centre National de la Recherche Scientifique, 31077 Toulouse, France
| | - Tone Tønjum
- Unit for Genome Dynamics, Department of Microbiology, University of Oslo, 0316 Oslo, Norway
- Unit for Genome Dynamics, Department of Microbiology, Oslo University Hospital, 0424 Oslo, Norway
| | - Miyase Gözde Gündüz
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Hacettepe University, Sıhhiye, Ankara 06100, Turkey
- Correspondence:
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Sebastiampillai S, Lacasse MJ, McCusker S, Campbell T, Nitz M, Zamble DB. Using a high-throughput, whole-cell hydrogenase assay to identify potential small molecule inhibitors of [NiFe]-hydrogenase. Metallomics 2022; 14:6747159. [DOI: 10.1093/mtomcs/mfac073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 08/29/2022] [Indexed: 11/06/2022]
Abstract
Abstract
[NiFe]-hydrogenases are used by several human pathogens to catalyze the reversible conversion between molecular hydrogen and protons and electrons. Hydrogenases provide an increased metabolic flexibility for pathogens, such as Escherichia coli and Helicobacter pylori, by allowing the use of molecular hydrogen as an energy source to promote survival in anaerobic environments. With the rise of antimicrobial resistance and the desire for novel therapeutics, the [NiFe]-hydrogenases are alluring targets. Inhibiting the nickel insertion pathway of [NiFe]-hydrogenases is attractive as this pathway is required for the generation of functional enzymes and is orthogonal to human biochemistry. In this work, nickel availability for the production and function of E. coli [NiFe]-hydrogenase was explored through immunoblot and activity assays. Whole-cell hydrogenase activities were assayed in high throughput against a small molecule library of known bioactives. Iodoquinol was identified as a potential inhibitor of the nickel biosynthetic pathway of [NiFe]-hydrogenase through a two-step screening process, but further studies with immunoblot assays showed confounding effects dependent on the cell growth phase. This study highlights the significance of considering the growth phenotype for whole-cell based assays overall and its effects on various cellular processes influenced by metal trafficking and homeostasis.
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Affiliation(s)
| | - Michael J Lacasse
- Department of Chemistry, University of Toronto , Toronto, Ontario M5S 3H6 , Canada
| | - Susan McCusker
- Centre for Microbial Chemical Biology , MDCL-2330, Hamilton, Ontario L8S 4K1 , Canada
| | - Tracey Campbell
- Centre for Microbial Chemical Biology , MDCL-2330, Hamilton, Ontario L8S 4K1 , Canada
| | - Mark Nitz
- Department of Chemistry, University of Toronto , Toronto, Ontario M5S 3H6 , Canada
| | - Deborah B Zamble
- Department of Chemistry, University of Toronto , Toronto, Ontario M5S 3H6 , Canada
- Department of Biochemistry, University of Toronto , Toronto, Ontario M5S 1A8 , Canada
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Chelation in Antibacterial Drugs: From Nitroxoline to Cefiderocol and Beyond. Antibiotics (Basel) 2022; 11:antibiotics11081105. [PMID: 36009974 PMCID: PMC9405089 DOI: 10.3390/antibiotics11081105] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 08/10/2022] [Accepted: 08/11/2022] [Indexed: 11/16/2022] Open
Abstract
In the era of escalating antimicrobial resistance, the need for antibacterial drugs with novel or improved modes of action (MOAs) is a health concern of utmost importance. Adding or improving the chelating abilities of existing drugs or finding new, nature-inspired chelating agents seems to be one of the major ways to ensure progress. This review article provides insight into the modes of action of antibacterial agents, class by class, through the perspective of chelation. We covered a wide scope of antibacterials, from a century-old quintessential chelating agent nitroxoline, currently unearthed due to its newly discovered anticancer and antibiofilm activities, over the commonly used antibacterial classes, to new cephalosporin cefiderocol and a potential future class of tetramates. We show the impressive spectrum of roles that chelation plays in antibacterial MOAs. This, by itself, demonstrates the importance of understanding the fundamental chemistry behind such complex processes.
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Ribeiro N, Bulut I, Pósa V, Sergi B, Sciortino G, Pessoa JC, Maia LB, Ugone V, Garribba E, Enyedy ÉA, Acilan C, Correia I. Solution chemical properties and anticancer potential of 8-hydroxyquinoline hydrazones and their oxidovanadium(IV) complexes. J Inorg Biochem 2022; 235:111932. [DOI: 10.1016/j.jinorgbio.2022.111932] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 06/22/2022] [Accepted: 07/10/2022] [Indexed: 12/28/2022]
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Ribeiro N, Albino M, Ferreira A, Escrevente C, Barral DC, Pessoa JC, Reis CP, Gaspar MM, Correia I. Liposomal Formulations of a New Zinc(II) Complex Exhibiting High Therapeutic Potential in a Murine Colon Cancer Model. Int J Mol Sci 2022; 23:ijms23126728. [PMID: 35743176 PMCID: PMC9223407 DOI: 10.3390/ijms23126728] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/07/2022] [Accepted: 06/14/2022] [Indexed: 02/07/2023] Open
Abstract
Colorectal cancer is the second leading cause of cancer-related mortality. Many current therapies rely on chemotherapeutic agents with poor specificity for tumor cells. The clinical success of cisplatin has prompted the research and design of a huge number of metal-based complexes as potential chemotherapeutic agents. In this study, two zinc(II) complexes, [ZnL2] and [ZnL(AcO)], where AcO is acetate and L is an organic compound combining 8-hydroxyquinoline and a benzothiazole moiety, were developed and characterized. Analytical and spectroscopic studies, namely, NMR, FTIR, and UV-Vis allowed us to establish the complexes’ structures, demonstrating the ligand-binding versatility: tetradentate in [ZnL(AcO)] and bidentate in [ZnL2]. Complexes were screened in vitro using murine and human colon cancer cells cultured in 2D and 3D settings. In 2D cells, the IC50 values were <22 µM, while in 3D settings, much higher concentrations were required. [ZnL(AcO)] displayed more suitable antiproliferative properties than [ZnL2] and was chosen for further studies. Moreover, based on the weak selectivity of the zinc-based complex towards cancer cell lines in comparison to the non-tumorigenic cell line, its incorporation in long-blood-circulating liposomes was performed, aiming to improve its targetability. The resultant optimized liposomal nanoformulation presented an I.E. of 76% with a mean size under 130 nm and a neutral surface charge and released the metal complex in a pH-dependent manner. The antiproliferative properties of [ZnL(AcO)] were maintained after liposomal incorporation. Preliminary safety assays were carried out through hemolytic activity that never surpassed 2% for the free and liposomal forms of [ZnL(AcO)]. Finally, in a syngeneic murine colon cancer mouse model, while free [ZnL(AcO)] was not able to impair tumor progression, the respective liposomal nanoformulation was able to reduce the relative tumor volume in the same manner as the positive control 5-fluorouracil but, most importantly, using a dosage that was 3-fold lower. Overall, our results show that liposomes were able to solve the solubility issues of the new metal-based complex and target it to tumor sites.
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Affiliation(s)
- Nádia Ribeiro
- Centro Química Estrutural, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal; (N.R.); (J.C.P.)
| | - Melissa Albino
- Research Institute for Medicines (iMed.Ulisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal; (M.A.); (C.P.R.)
| | - Andreia Ferreira
- iNOVA4Health, NOVA Medical School (NMS), Faculdade de Ciências Médicas (FCM), Universidade Nova de Lisboa, 1169-056 Lisboa, Portugal; (A.F.); (C.E.); (D.C.B.)
| | - Cristina Escrevente
- iNOVA4Health, NOVA Medical School (NMS), Faculdade de Ciências Médicas (FCM), Universidade Nova de Lisboa, 1169-056 Lisboa, Portugal; (A.F.); (C.E.); (D.C.B.)
| | - Duarte C. Barral
- iNOVA4Health, NOVA Medical School (NMS), Faculdade de Ciências Médicas (FCM), Universidade Nova de Lisboa, 1169-056 Lisboa, Portugal; (A.F.); (C.E.); (D.C.B.)
| | - João Costa Pessoa
- Centro Química Estrutural, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal; (N.R.); (J.C.P.)
| | - Catarina Pinto Reis
- Research Institute for Medicines (iMed.Ulisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal; (M.A.); (C.P.R.)
- IBEB, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal
| | - Maria Manuela Gaspar
- Research Institute for Medicines (iMed.Ulisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal; (M.A.); (C.P.R.)
- Correspondence: (M.M.G.); (I.C.)
| | - Isabel Correia
- Centro Química Estrutural, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal; (N.R.); (J.C.P.)
- Correspondence: (M.M.G.); (I.C.)
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22
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Spasova M, Manolova N, Rashkov I, Naydenov M. Eco-Friendly Hybrid PLLA/Chitosan/ Trichoderma asperellum Nanomaterials as Biocontrol Dressings against Esca Disease in Grapevines. Polymers (Basel) 2022; 14:polym14122356. [PMID: 35745931 PMCID: PMC9228446 DOI: 10.3390/polym14122356] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 05/30/2022] [Accepted: 06/06/2022] [Indexed: 02/01/2023] Open
Abstract
Fungi constitute the largest number of plant pathogens and are responsible for a range of serious plant diseases. Phaeomoniella chlamydospora (P. chlamydospora) and Phaeoacremonium aleophilum (P. aleophilum) are the main fungal pathogens causing esca disease in grapevines. On the other hand, there are beneficial microorganisms such as Trichoderma spp., which are able to control the growth of many phytopathogens. In the present study, innovative, eco-friendly hybrid nanomaterials were created by electrospinning PLLA, followed by the formation of a film of chitosan/Trichoderma asperellum (T. asperellum) spores on the fibers. The polymer carrier used in this study plays an active role in ensuring the viability of the biological agent during storage and, when placed in contact with moisture, ensures the agent’s normal development. Oligochitosan, as well as low molecular weight and high molecular weight chitosan, were used. The effects of chitosan molecular weight on the dynamic viscosity of chitosan solutions, film formation, mechanical properties, spore incorporation and growth were studied. The morphology of the prepared nanomaterials, and the presence of a film based on the formation of chitosan/T. asperellum spores on the PLLA fibers, were examined using scanning electron microscopy (SEM). The surface chemical compositions of the fibrous materials were studied using attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR). The mechanical properties of the obtained materials were also tested. The microbiological screening that was performed revealed that the eco-friendly hybrid nanomaterials incorporated with the beneficial microorganism, T. asperellum, to hamper the growth of the pathogenic P. chlamydospora and P. aleophilum fungi. The suppression rate depended on the viscosity of the chitosan solution used for the film formation. The use of oligochitosan resulted in the most effective infection of the material with T. asperellum spores. The environmentally friendly hybrid nanomaterials obtained in this study—in which the bioagent was embedded—are promising bioactive dressings for protecting grapevines against esca disease.
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Affiliation(s)
- Mariya Spasova
- Laboratory of Bioactive Polymers, Institute of Polymers, Bulgarian Academy of Sciences, Acad. G. Bonchev St, bl. 103A, BG-1113 Sofia, Bulgaria; (N.M.); (I.R.)
- Correspondence:
| | - Nevena Manolova
- Laboratory of Bioactive Polymers, Institute of Polymers, Bulgarian Academy of Sciences, Acad. G. Bonchev St, bl. 103A, BG-1113 Sofia, Bulgaria; (N.M.); (I.R.)
| | - Iliya Rashkov
- Laboratory of Bioactive Polymers, Institute of Polymers, Bulgarian Academy of Sciences, Acad. G. Bonchev St, bl. 103A, BG-1113 Sofia, Bulgaria; (N.M.); (I.R.)
| | - Mladen Naydenov
- Department of Microbiology, Agricultural University, BG-4000 Plovdiv, Bulgaria;
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23
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Joaquim AR, Boff RT, Adam FC, Lima-Morales D, Cesare MA, Kaminski TF, Teixeira ML, Fuentefria AM, Andrade SF, Martins AF. Antibacterial and synergistic activity of a new 8-hydroxyquinoline derivative against methicillin-resistant Staphylococcus aureus. Future Microbiol 2022; 17:425-436. [PMID: 35289685 DOI: 10.2217/fmb-2021-0198] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Aim: To evaluate the antibacterial and synergistic effect of a new 8-hydroxyquinoline derivative (PH176) against MRSA. Materials & methods: PH176 activity was determined by broth microdilution against 38 Staphylococcus aureus clinical isolates. The antibacterial and synergistic effects with oxacillin and nitroxoline were evaluated by time-kill assays to five MRSA isolates. Toxicity was evaluated by in vitro and ex vivo models. Results: The MIC50 and MIC90 of PH176 were 16 and 32 μg/ml, respectively. The PH176 and nitroxoline led to a reduction in colony count for four isolates and the combination of PH176 and oxacillin acted synergically for three isolates. Furthermore, PH176 was determined to be noncytotoxic/nonirritant. Conclusion: These results demonstrate that PH176 has revealed promising results to be a potential candidate to treat MRSA infections.
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Affiliation(s)
- Angélica R Joaquim
- Programa de Pós-graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Porto Alegre, 90610-000, Brazil
| | - Roberta T Boff
- Programa de Pós-graduação em Microbiologia Agrícola e do Ambiente, Universidade Federal do Rio Grande do Sul, Porto Alegre, 90050-170, Brazil
| | - Franciele C Adam
- Programa de Pós-graduação em Microbiologia Agrícola e do Ambiente, Universidade Federal do Rio Grande do Sul, Porto Alegre, 90050-170, Brazil
| | - Daiana Lima-Morales
- Laboratório de Pesquisa em Resistência Bacteriana, Hospital de Clínicas de Porto Alegre, Rio Grande do Sul, Porto Alegre, 90035-903, Brazil
| | - Maycon A Cesare
- Programa de Pós-graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Porto Alegre, 90610-000, Brazil
| | - Taís Fa Kaminski
- Programa de Pós-graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Porto Alegre, 90610-000, Brazil
| | - Mário L Teixeira
- Laboratório de Farmacologia, Instituto Federal Catarinense, Campus Concórdia, Concórdia, 89703-720, Brazil
| | - Alexandre M Fuentefria
- Programa de Pós-graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Porto Alegre, 90610-000, Brazil.,Programa de Pós-graduação em Microbiologia Agrícola e do Ambiente, Universidade Federal do Rio Grande do Sul, Porto Alegre, 90050-170, Brazil
| | - Saulo F Andrade
- Programa de Pós-graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Porto Alegre, 90610-000, Brazil.,Programa de Pós-graduação em Microbiologia Agrícola e do Ambiente, Universidade Federal do Rio Grande do Sul, Porto Alegre, 90050-170, Brazil
| | - Andreza F Martins
- Programa de Pós-graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Porto Alegre, 90610-000, Brazil.,Programa de Pós-graduação em Microbiologia Agrícola e do Ambiente, Universidade Federal do Rio Grande do Sul, Porto Alegre, 90050-170, Brazil.,Laboratório de Pesquisa em Resistência Bacteriana, Hospital de Clínicas de Porto Alegre, Rio Grande do Sul, Porto Alegre, 90035-903, Brazil
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24
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Liu C, Wang Y, Wang A, Su F, Wang H. Structures, spectral and photodynamic properties of two nitrosylruthenium (II) isomer complexes containing 8-quinolinolate and L-proline ligands. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/09/2022] Open
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25
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Abstract
A simple and efficient protocol for the synthesis of the previously unknown 2-(2-(4-methoxyphenyl)furo[3,2-h]quinolin-3-yl)acetic acid was elaborated. The suggested method is based on the telescoped multicomponent reaction of 8-hydroxyquinoline, 4-methylglyoxal, and Meldrum’s acid. The studied process includes the initial interaction of the starting compounds in MeCN followed by intramolecular cyclization to the target product in refluxing acetic acid. The advantage of this approach is the application of readily available starting materials, atom economy, and a simple work-up procedure. The structure of the synthesized furylacetic acid derivative was proven by 1H, 13C, 2D-NMR, IR spectroscopy, and high-resolution mass spectrometry.
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26
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Saeed A, Madkhli AY, Pashameah RA, Bataweel NM, Razvi MA, Salah N. Antibacterial activity of the micro and nanostructures of the optical material tris(8-hydroxyquinoline)aluminum and its application as an antimicrobial coating. RSC Adv 2022; 12:27131-27144. [PMID: 36276042 PMCID: PMC9503380 DOI: 10.1039/d2ra04750k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 09/13/2022] [Indexed: 11/21/2022] Open
Abstract
This research gives insight into the optical material tris(8-hydroxyquinoline)aluminum (Alq3) micro and nanostructures as an antimicrobial agent against different human pathogenic bacteria. In this work, Alq3 was applied as an antimicrobial coating.
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Affiliation(s)
- Abdu Saeed
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Department of Physics, Thamar University, Thamar 87246, Yemen
- Center of Nanotechnology, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Aysh Y. Madkhli
- Department of Physics, Faculty of Science, Jazan University, Jazan 45142, Saudi Arabia
| | - Rami Adel Pashameah
- Department of Chemistry, Faculty of Applied Science, Umm Al-Qura University, Makkah 24230, Saudi Arabia
| | - Noor M. Bataweel
- Department of Biological Science, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- King Fahd Medical Research Centre, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Mir Ali Razvi
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Numan Salah
- Center of Nanotechnology, King Abdulaziz University, Jeddah 21589, Saudi Arabia
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