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Ferreira EDS, Cordeiro LV, Silva DDF, Diniz Neto H, Sousa APD, Souza HDDS, Athayde-Filho PFD, Guerra FQS, Barbosa-Filho JM, Oliveira Filho AAD, Lima EDO, Castro RDD. Evaluation of antifungal activity, mechanisms of action and toxicological profile of the synthetic amide 2-chloro- N-phenylacetamide. Drug Chem Toxicol 2024; 47:191-202. [PMID: 36803623 DOI: 10.1080/01480545.2022.2158849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 10/29/2022] [Accepted: 12/10/2022] [Indexed: 02/22/2023]
Abstract
Aspergillus niger causes infections such as otitis and pulmonary aspergillosis in immunocompromised individuals. Treatment involves voriconazole or amphotericin B, and due to the increase in fungal resistance, the search for new compounds with antifungal activity has intensified. In the development of new drugs, cytotoxicity and genotoxicity assays are important, as they allow predicting possible damage that a molecule can cause, and in silico studies predict the pharmacokinetic properties. The aim of this study was to verify the antifungal activity and the mechanism of action of the synthetic amide 2-chloro-N-phenylacetamide against Aspergillus niger strains and toxicity. 2-Chloro-N-phenylacetamide showed antifungal activity against different strains of Aspergillus niger with minimum inhibitory concentrations between 32 and 256 μg/mL and minimum fungicides between 64 and 1024 μg/mL. The minimum inhibitory concentration of 2-chloro-N-phenylacetamide also inhibited conidia germination. When associated with amphotericin B or voriconazole, 2-chloro-N-phenylacetamide had antagonistic effects. Interaction with ergosterol in the plasma membrane is the probable mechanism of action.2-Chloro-N-phenylacetamide has favorable physicochemical parameters, good oral bioavailability and absorption in the gastrointestinal tract, crosses the blood-brain barrier and inhibits CYP1A2. At concentrations of 50 to 500 µg/mL, it has little hemolytic effect and a protective effect for type A and O red blood cells, and in the cells of the oral mucosa it promotes little genotoxic change. It is concluded that 2-chloro-N-phenylacetamide has promising antifungal potential, favorable pharmacokinetic profile for oral administration and low cytotoxic and genotoxic potential, being a promising candidate for in vivo toxicity studies.
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Affiliation(s)
- Elba Dos Santos Ferreira
- Postgraduate Program in Natural and Bioactive Synthetic Products, Health Sciences Center, Federal University of Paraíba, Center for Health Sciences, Federal University of Paraiba, Campus I, University City Allotment, João Pessoa, Brazil
| | - Laísa Vilar Cordeiro
- Postgraduate Program in Natural and Bioactive Synthetic Products, Health Sciences Center, Federal University of Paraíba, Center for Health Sciences, Federal University of Paraiba, Campus I, University City Allotment, João Pessoa, Brazil
| | - Daniele de Figuerêdo Silva
- Postgraduate Program in Natural and Bioactive Synthetic Products, Health Sciences Center, Federal University of Paraíba, Center for Health Sciences, Federal University of Paraiba, Campus I, University City Allotment, João Pessoa, Brazil
| | - Hermes Diniz Neto
- Postgraduate Program in Natural and Bioactive Synthetic Products, Health Sciences Center, Federal University of Paraíba, Center for Health Sciences, Federal University of Paraiba, Campus I, University City Allotment, João Pessoa, Brazil
| | - Aleson Pereira de Sousa
- Postgraduate Program in Technological Development and Innovation of Medicines, Health Sciences Center, Federal University of Paraíba, University City Allotment, João Pessoa, Brazil
| | - Helivaldo Diógenes da Silva Souza
- Department of Chemistry, Center for Exact and Natural Sciences, Federal University of Paraíba, Campus I, University City Allotment, João Pessoa, Brazil
| | - Petrônio Filgueiras de Athayde-Filho
- Department of Chemistry, Center for Exact and Natural Sciences, Federal University of Paraíba, Campus I, University City Allotment, João Pessoa, Brazil
| | | | - José Maria Barbosa-Filho
- Postgraduate Program in Natural and Bioactive Synthetic Products, Health Sciences Center, Federal University of Paraíba, Center for Health Sciences, Federal University of Paraiba, Campus I, University City Allotment, João Pessoa, Brazil
| | - Abrahão Alves de Oliveira Filho
- Biological Sciences Academic Unit at the Center for Rural Health and Technology (CSTR), Federal University of Campina Grande (UFCG), Bairro Jatobá, Patos, Brazil
| | - Edeltrudes de Oliveira Lima
- Postgraduate Program in Natural and Bioactive Synthetic Products, Health Sciences Center, Federal University of Paraíba, Center for Health Sciences, Federal University of Paraiba, Campus I, University City Allotment, João Pessoa, Brazil
| | - Ricardo Dias de Castro
- Postgraduate Program in Natural and Bioactive Synthetic Products, Health Sciences Center, Federal University of Paraíba, Center for Health Sciences, Federal University of Paraiba, Campus I, University City Allotment, João Pessoa, Brazil
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Zhang Y, Wang Y, Chi S, Ru H, Jiang Y, Tian Y, Zhou T, Li J. Design and Application of Multi-Center Clinical Research Platform for Phenotyping of Voriconazole Hepatotoxicity. Stud Health Technol Inform 2024; 310:1482-1483. [PMID: 38269707 DOI: 10.3233/shti231255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
We introduce a phenotyping pipeline for voriconazole hepatotoxicity based on a multi-center clinical research platform. Using the platform's queue construction, feature generation, and feature screening functions, 52 features were obtained for model training. The prediction model of voriconazole hepatotoxicity was obtained by using the model training and evaluation functions of the platform. Important risk factors and protection factors of the model were listed.
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Affiliation(s)
- Ying Zhang
- Research Center for Healthcare Data Science, Zhejiang Lab, Hangzhou, China
| | - Yuqing Wang
- Research Center for Healthcare Data Science, Zhejiang Lab, Hangzhou, China
| | - Shengqiang Chi
- Research Center for Healthcare Data Science, Zhejiang Lab, Hangzhou, China
| | - Hua Ru
- Research Center for Healthcare Data Science, Zhejiang Lab, Hangzhou, China
| | - Yifan Jiang
- Research Center for Healthcare Data Science, Zhejiang Lab, Hangzhou, China
| | - Yu Tian
- Engineering Research Center of EMR and Intelligent Expert System, Ministry of Education, College of Biomedical Engineering and Instrument Science, Zhejiang University, Hangzhou, China
| | - Tianshu Zhou
- Research Center for Healthcare Data Science, Zhejiang Lab, Hangzhou, China
| | - Jingsong Li
- Research Center for Healthcare Data Science, Zhejiang Lab, Hangzhou, China
- Engineering Research Center of EMR and Intelligent Expert System, Ministry of Education, College of Biomedical Engineering and Instrument Science, Zhejiang University, Hangzhou, China
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Moon JY, Suh W, Jun RM, Han KE. Toxicity of simultaneous intrastromal and intracameral injection of voriconazole on corneal endothelium in a rabbit model. Cutan Ocul Toxicol 2023; 42:144-150. [PMID: 37350680 DOI: 10.1080/15569527.2023.2226714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 05/11/2023] [Accepted: 06/13/2023] [Indexed: 06/24/2023]
Abstract
PURPOSE To investigate the toxicity of repeated simultaneous intrastromal and intracameral injections of voriconazole in corneal endothelial cells in a rabbit model. METHODS Thirty-six eyes of 18 New Zealand white rabbits (six eyes per group) were divided into 6 groups according to the concentration of voriconazole (Group A, 0%; Group B, 0.05%; Group C, 0.1%; Group D, 0.25%; Group E, 0.5%; Group F, 1%). A combination of intrastromal and intracameral voriconazole injections were administrated to the eyes of each group three times on days 0, 3, and 7. Corneal clouding grades and central corneal thickness (CCT) were examined on days 0, 3, 7, 10, and 14. The endothelial cell counts (ECC) were measured on days 0 and 14. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) were performed on day 14. RESULTS Group F (1%) showed more severe corneal clouding than the other groups (Groups A-E) from day 7 (p < 0.05, respectively). There were no significant differences in CCT and ECC among the six groups at any time point (p > 0.05, respectively). SEM revealed blurring of the cell border and loss of microvilli at concentrations ≥0.25% (Groups D-F). TEM revealed microstructural changes in endothelial cells at concentrations ≥0.1% (Groups C-F), and multiple vacuoles were observed at a concentration of 1% voriconazole (Group F). CONCLUSIONS Repeated simultaneous intrastromal and intracameral voriconazole injections at a concentration of 0.1% or higher induced microstructural endothelial damage in rabbit corneal endothelial cells.
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Affiliation(s)
- Ji Young Moon
- Department of Ophthalmology, Ewha Womans University College of Medicine, Mokdong Hospital, Seoul, Republic of Korea
| | - Wool Suh
- Department of Ophthalmology, Ewha Womans University College of Medicine, Mokdong Hospital, Seoul, Republic of Korea
| | - Roo Min Jun
- Department of Ophthalmology, Ewha Womans University College of Medicine, Seoul Hospital, Seoul, Republic of Korea
| | - Kyung Eun Han
- Department of Ophthalmology, Ewha Womans University College of Medicine, Mokdong Hospital, Seoul, Republic of Korea
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Samalidou M, Bougiouklis D, Vyzantiadis TA, Meletiadis J, Monokrousos N, Siotou E, Sivropoulou A, Anagnostopoulos A, Sotiropoulos D. In vitro and in vivo study on the effect of antifungal agents on hematopoietic cells in mice. Exp Biol Med (Maywood) 2015; 240:1728-34. [PMID: 26080459 PMCID: PMC4935346 DOI: 10.1177/1535370215590820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Accepted: 05/11/2015] [Indexed: 11/16/2022] Open
Abstract
Liposomal amphotericin B, voriconazole, and caspofungin are currently used for systemic and severe fungal infections. Patients with malignant diseases are treated with granulocyte-colony stimulating factor (G-CSF) for the recovery of granulocytes after chemotherapy or hematopoietic cell (HC) transplantation. Since they have a high incidence of fungal infections, they inevitably receive antifungal drugs for treatment and prophylaxis. Despite their proven less toxicity for various cell types comparatively with amphotericin B and the decrease in the number of leukocytes that has been reported as a possible complication in clinical studies, the effect of liposomal amphotericin B, voriconazole, and caspofungin on HCs has not been clarified. The present study aimed to examine the in vitro and in vivo effect of these three modern antifungals on HCs. Colony-forming unit (CFU) assays of murine bone marrow cells were performed in methylcellulose medium with or without cytokines and in the presence or absence of various concentrations of liposomal amphotericin B, voriconazole, and caspofungin. In the in vivo experiments, the absolute number of granulocytes was determined during leukocyte recovery in sublethally irradiated mice receiving each antifungal agent separately, with or without G-CSF. In vitro, all three antifungal drugs were nontoxic and, interestingly, they significantly increased the number of CFU-granulocyte-macrophage colonies in the presence of cytokines, at all concentrations tested. This was contrary to the concentration-dependent toxicity and the significant decrease caused by conventional amphotericin B. In vivo, the number of granulocytes was significantly higher with caspofungin plus G-CSF treatment, higher and to a lesser extent higher, but not statistically significantly, with voriconazole plus G-CSF and liposomal amphotericin B plus G-CSF treatments, respectively, as compared with G-CSF alone. These data indicate a potential synergistic effect of these antifungals with the cytokines, in vitro and in vivo, with subsequent positive effect on hematopoiesis.
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Affiliation(s)
- Maria Samalidou
- Department of Hematology and BMT Unit, "George Papanicolaou" Hospital, Thessaloniki 57010, Greece Department of Genetics, Development and Molecular Biology, School of Biology, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Dimitris Bougiouklis
- Department of Hematology and BMT Unit, "George Papanicolaou" Hospital, Thessaloniki 57010, Greece
| | | | - Joseph Meletiadis
- Clinical Microbiology Laboratory, Attikon University Hospital, Medical School, National and Kapodistrian University of Athens, Athens 12462, Greece
| | - Nikolaos Monokrousos
- Department of Biological Applications and Technology, University of Ioannina, Ioannina 45110, Greece
| | - Eleni Siotou
- Department of Hematology and BMT Unit, "George Papanicolaou" Hospital, Thessaloniki 57010, Greece
| | - Afroditi Sivropoulou
- Department of Genetics, Development and Molecular Biology, School of Biology, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Achilles Anagnostopoulos
- Department of Hematology and BMT Unit, "George Papanicolaou" Hospital, Thessaloniki 57010, Greece
| | - Damianos Sotiropoulos
- Department of Hematology and BMT Unit, "George Papanicolaou" Hospital, Thessaloniki 57010, Greece
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