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Alves de Lima e Silva A, Rio-Tinto A. Ebselen: A Promising Repurposing Drug to Treat Infections Caused by Multidrug-Resistant Microorganisms. Interdiscip Perspect Infect Dis 2024; 2024:9109041. [PMID: 38586592 PMCID: PMC10998725 DOI: 10.1155/2024/9109041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 02/28/2024] [Accepted: 03/02/2024] [Indexed: 04/09/2024] Open
Abstract
Bacterial multiresistance to drugs is a rapidly growing global phenomenon. New resistance mechanisms have been described in different bacterial pathogens, threatening the effective treatment of even common infectious diseases. The problem worsens in infections associated with biofilms because, in addition to the pathogen's multiresistance, the biofilm provides a barrier that prevents antimicrobial access. Several "non-antibiotic" drugs have antimicrobial activity, even though it is not their primary therapeutic purpose. However, due to the urgent need to develop effective antimicrobials to treat diseases caused by multidrug-resistant pathogens, there has been an increase in research into "non-antibiotic" drugs to offer an alternative therapy through the so-called drug repositioning or repurposing. The prospect of new uses for existing drugs has the advantage of reducing the time and effort required to develop new compounds. Moreover, many drugs are already well characterized regarding toxicity and pharmacokinetic/pharmacodynamic properties. Ebselen has shown promise for use as a repurposing drug for antimicrobial purposes. It is a synthetic organoselenium with anti-inflammatory, antioxidant, and cytoprotective activity. A very attractive factor for using ebselen is that, in addition to potent antimicrobial activity, its minimum inhibitory concentration is very low for microbial pathogens.
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Affiliation(s)
- Agostinho Alves de Lima e Silva
- Laboratory of Biology and Physiology of Microorganisms, Biomedical Institute, DMP, Federal University of the State of Rio de Janeiro (UNIRIO), Rio de Janeiro 20211-030, Brazil
| | - André Rio-Tinto
- Laboratory of Pathogenic Cocci and Microbiota, Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro 21941-853, Brazil
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Liang X, Pacuła-Miszewska AJ, Obieziurska-Fabisiak M, Vartak R, Mao G, Patel K, Fedosova NU, Ścianowski J, Billack B. Selected N-Terpenyl Organoselenium Compounds Possess Antimycotic Activity In Vitro and in a Mouse Model of Vulvovaginal Candidiasis. Molecules 2023; 28:7377. [PMID: 37959796 PMCID: PMC10647704 DOI: 10.3390/molecules28217377] [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: 08/29/2023] [Revised: 10/20/2023] [Accepted: 10/25/2023] [Indexed: 11/15/2023] Open
Abstract
In the present work, a series of N-terpenyl organoselenium compounds (CHB1-6) were evaluated for antimycotic activity by determining the minimum inhibitory concentration (MIC) for each compound in fluconazole (FLU)-sensitive (S1) and FLU-resistant (S2) strains of Candida albicans (C. albicans). The most active compounds in the MIC screen were CHB4 and CHB6, which were then evaluated for cytotoxicity in human cervical cancer cells (KB-3-1) and found to be selective for fungi. Next, CHB4 and CHB6 were investigated for skin irritation using a reconstructed 3D human epidermis and both compounds were considered safe to the epidermis. Using a mouse model of vulvovaginal candidiasis (VVC), CHB4 and CHB6 both exhibited antimycotic efficacy by reducing yeast colonization of the vaginal tract, alleviating injury to the vaginal mucosa, and decreasing the abundance of myeloperoxidase (MPO) expression in the tissue, indicating a reduced inflammatory response. In conclusion, CHB4 and CHB6 demonstrate antifungal activity in vitro and in the mouse model of VVC and represent two new promising antifungal agents.
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Affiliation(s)
- Xiuyi Liang
- Department of Pharmaceutical Sciences, St. John’s University, Queens, NY 11439, USA; (X.L.); (R.V.); (G.M.); (K.P.)
| | - Agata J. Pacuła-Miszewska
- Faculty of Chemistry, Nicolaus Copernicus University, 87-100 Toruń, Poland; (A.J.P.-M.); (M.O.-F.); (J.Ś.)
| | | | - Richa Vartak
- Department of Pharmaceutical Sciences, St. John’s University, Queens, NY 11439, USA; (X.L.); (R.V.); (G.M.); (K.P.)
| | - Ganming Mao
- Department of Pharmaceutical Sciences, St. John’s University, Queens, NY 11439, USA; (X.L.); (R.V.); (G.M.); (K.P.)
| | - Ketankumar Patel
- Department of Pharmaceutical Sciences, St. John’s University, Queens, NY 11439, USA; (X.L.); (R.V.); (G.M.); (K.P.)
| | | | - Jacek Ścianowski
- Faculty of Chemistry, Nicolaus Copernicus University, 87-100 Toruń, Poland; (A.J.P.-M.); (M.O.-F.); (J.Ś.)
| | - Blase Billack
- Department of Pharmaceutical Sciences, St. John’s University, Queens, NY 11439, USA; (X.L.); (R.V.); (G.M.); (K.P.)
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Xavier MO, Poester VR, Trápaga MR, Stevens DA. Sporothrix brasiliensis: Epidemiology, Therapy, and Recent Developments. J Fungi (Basel) 2023; 9:921. [PMID: 37755029 PMCID: PMC10532502 DOI: 10.3390/jof9090921] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 08/28/2023] [Accepted: 09/05/2023] [Indexed: 09/28/2023] Open
Abstract
Sporotrichosis caused by Sporothrix brasiliensis is an emergent mycosis that is now a worldwide concern. One important step to sporotrichosis control is its correct treatment. However, limitations abound; thus, new antifungals, mainly focused on S. brasiliensis, are urgently needed. We performed a systematic review (following the PRISMA guideline) focused on (1) the global distribution of human and animal sporotrichosis by S. brasiliensis, especially outside of Brazil; (2) appraising therapies tested against this pathogen. We identified sporotrichosis caused by S. brasiliensis reported in five countries (Paraguay, Chile, Argentina, the United Kingdom, and the United States) in addition to Brazil, occurring on three continents, highlighting the epidemiological scenario in Argentina with an important increase in reported cases in recent years. Regarding the antifungal activity of drugs, 25 articles described the in vitro action of 20 unique chemicals and eight repurposed drugs against S. brasiliensis. Only five studies reported in vivo activity against S. brasiliensis (five drugs) using invertebrate and vertebrate models. Sporotrichosis caused by S. brasiliensis has a global impact and it is no longer specifically a Brazilian problem. We review the need for understanding the disease epidemiology, education of clinicians and of the populace, organization of health care delivery to respond to a spreading epidemic, and research on therapy for sporotrichosis.
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Affiliation(s)
- Melissa Orzechowski Xavier
- Programa de Pós-Graduação em Ciências da Saúde, Faculdade de Medicina (FAMED), Universidade Federal do Rio Grande (FURG), Rio Grande 96200-190, RS, Brazil; (M.O.X.); (V.R.P.); (M.R.T.)
- Laboratório de Micologia, Faculdade de Medicina (FAMED), Universidade Federal do Rio Grande (FURG), Rio Grande 96200-190, RS, Brazil
| | - Vanice Rodrigues Poester
- Programa de Pós-Graduação em Ciências da Saúde, Faculdade de Medicina (FAMED), Universidade Federal do Rio Grande (FURG), Rio Grande 96200-190, RS, Brazil; (M.O.X.); (V.R.P.); (M.R.T.)
- Laboratório de Micologia, Faculdade de Medicina (FAMED), Universidade Federal do Rio Grande (FURG), Rio Grande 96200-190, RS, Brazil
| | - Mariana Rodrigues Trápaga
- Programa de Pós-Graduação em Ciências da Saúde, Faculdade de Medicina (FAMED), Universidade Federal do Rio Grande (FURG), Rio Grande 96200-190, RS, Brazil; (M.O.X.); (V.R.P.); (M.R.T.)
- Laboratório de Micologia, Faculdade de Medicina (FAMED), Universidade Federal do Rio Grande (FURG), Rio Grande 96200-190, RS, Brazil
| | - David A. Stevens
- California Institute for Medical Research, San Jose, CA 95128, USA
- Division of Infectious Diseases and Geographic Medicine, Stanford University Medical School, Stanford, CA 94305, USA
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Laskowska A, Pacuła-Miszewska AJ, Obieziurska-Fabisiak M, Jastrzębska A, Gach-Janczak K, Janecka A, Ścianowski J. Facile synthesis of chiral phenylselenides as novel antioxidants and cytotoxic agents. RSC Adv 2023; 13:14698-14702. [PMID: 37197685 PMCID: PMC10184004 DOI: 10.1039/d3ra02475j] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 05/08/2023] [Indexed: 05/19/2023] Open
Abstract
Organoselenium compounds are well-known for their unique biological properties, including antioxidant, anticancer and anti-inflammatory. They result from the presence of a particular Se-moiety enclosed in a structure that provides physicochemical features necessary for effective drug-target interactions. Looking for a proper drug design that considers the influence of each structural element has to be conducted. In this paper, we have synthesized a series of chiral phenylselenides, possessing an additional N-substituted amide moiety, and evaluated their antioxidant and anticancer potential. The presented derivatives, as a group of enantiomeric and diastereomeric pairs, enabled a thorough investigation of the 3D structure-activity dependence in correlation with the presence of the phenylselanyl group as the potential pharmacophore. The N-indanyl derivatives possessing a cis- and trans-2-hydroxy group were selected as the most promising antioxidants and anticancer agents.
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Affiliation(s)
- Anna Laskowska
- Department of Organic Chemistry, Faculty of Chemistry, Nicolaus Copernicus University 7 Gagarin Street 87-100 Torun Poland
| | - Agata J Pacuła-Miszewska
- Department of Organic Chemistry, Faculty of Chemistry, Nicolaus Copernicus University 7 Gagarin Street 87-100 Torun Poland
| | - Magdalena Obieziurska-Fabisiak
- Department of Organic Chemistry, Faculty of Chemistry, Nicolaus Copernicus University 7 Gagarin Street 87-100 Torun Poland
| | - Aneta Jastrzębska
- Department of Analytical Chemistry and Applied Spectroscopy, Faculty of Chemistry, Nicolaus Copernicus University 7 Gagarin Street 87-100 Torun Poland
| | - Katarzyna Gach-Janczak
- Department of Biomolecular Chemistry, Faculty of Medicine, Medical University of Lodz 6/8 Mazowiecka Street 92-215 Lodz Poland
| | - Anna Janecka
- Department of Biomolecular Chemistry, Faculty of Medicine, Medical University of Lodz 6/8 Mazowiecka Street 92-215 Lodz Poland
| | - Jacek Ścianowski
- Department of Organic Chemistry, Faculty of Chemistry, Nicolaus Copernicus University 7 Gagarin Street 87-100 Torun Poland
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Munhoz LS, Poester VR, Benelli JL, Melo AM, Trápaga MR, Nogueira CW, Zeni G, Flores MM, Stevens DA, Xavier MO. Effectiveness of diphenyl diselenide against experimental sporotrichosis caused by Sporothrix brasiliensis. Med Mycol 2023; 61:myad035. [PMID: 36977574 DOI: 10.1093/mmy/myad035] [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: 12/30/2022] [Revised: 02/13/2023] [Accepted: 03/27/2023] [Indexed: 03/30/2023] Open
Abstract
Diphenyl diselenide (PhSe)2 is a stable organoselenium compound with promising in vitro antifungal activity against several fungi, including Sporothrix brasiliensis. This species is associated with feline and zoonotic sporotrichosis, an emergent mycosis in Latin America. We evaluated the activity of (PhSe)2, alone and in association with itraconazole, in the treatment of sporotrichosis caused by S. brasiliensis, in a murine model. Sixty mice were subcutaneously infected with S. brasiliensis in the footpad and treated by gavage for 30 consecutive days. The six treatment groups received: no active treatment, itraconazole (50 mg/kg), (PhSe)2 at 1, 5, and 10 mg/kg dosages, or itraconazole (50 mg/kg) + (PhSe)2 1 mg/kg, once a day, starting seven days post-inoculation. A significant reduction in the fungal burden of internal organs was achieved in the groups treated with (PhSe)2 1 mg/kg or itraconazole alone in comparison with the untreated group. Higher dosages (5 and 10 mg/kg) of (PhSe)2 increased the clinical manifestation of sporotrichosis and mortality rate. Treatment with both itraconazole and (PhSe)2 1 mg/kg was better than their activities alone (P < .001). This is the first demonstration of the potential use of (PhSe)2, alone or with the present drug of choice, in the treatment of sporotrichosis.
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Affiliation(s)
- Lívia Silveira Munhoz
- Programa de Pós-graduação em Ciências da Saúde, Faculdade de Medicina (FAMED), Universidade Federal do Rio Grande (FURG), Rio Grande city, Rio Grande do Sul state, 96203-900, Brazil
| | - Vanice Rodrigues Poester
- Programa de Pós-graduação em Ciências da Saúde, Faculdade de Medicina (FAMED), Universidade Federal do Rio Grande (FURG), Rio Grande city, Rio Grande do Sul state, 96203-900, Brazil
- Universidade Federal de Santa Maria (UFSM), Santa Maria city, Rio Grande do Sul state, 97105-900, Brazil
| | - Jéssica Louise Benelli
- Hospital Universitário Dr. Miguel Riet Corrêa Jr. (HU-FURG), vinculado à Empresa Brasileira de Serviços Hospitalares (EBSERH), Rio Grande city, Rio Grande do Sul state, 96200-190, Brazil
| | - Aryse Martins Melo
- Instituto Nacional de Saúde Dr. Ricardo Jorge, Lisboa, 1600-609, Portugal
| | - Mariana Rodrigues Trápaga
- Programa de Pós-graduação em Ciências da Saúde, Faculdade de Medicina (FAMED), Universidade Federal do Rio Grande (FURG), Rio Grande city, Rio Grande do Sul state, 96203-900, Brazil
| | - Cristina Wayne Nogueira
- Universidade Federal de Santa Maria (UFSM), Santa Maria city, Rio Grande do Sul state, 97105-900, Brazil
| | - Gilson Zeni
- Universidade Federal de Santa Maria (UFSM), Santa Maria city, Rio Grande do Sul state, 97105-900, Brazil
| | - Mariana Martins Flores
- Universidade Federal de Santa Maria (UFSM), Santa Maria city, Rio Grande do Sul state, 97105-900, Brazil
| | - David A Stevens
- California Institute for Medical Research, San Jose, California 95128, USA
- Division of Infectious Diseases and Geographic Medicine, Stanford University Medical School, Stanford, California 94305, USA
| | - Melissa Orzechowski Xavier
- Programa de Pós-graduação em Ciências da Saúde, Faculdade de Medicina (FAMED), Universidade Federal do Rio Grande (FURG), Rio Grande city, Rio Grande do Sul state, 96203-900, Brazil
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Shaaban S, Abdou A, Alhamzani AG, Abou-Krisha MM, Al-Qudah MA, Alaasar M, Youssef I, Yousef TA. Synthesis and in Silico Investigation of Organoselenium-Clubbed Schiff Bases as Potential Mpro Inhibitors for the SARS-CoV-2 Replication. Life (Basel) 2023; 13:life13040912. [PMID: 37109441 PMCID: PMC10141725 DOI: 10.3390/life13040912] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 03/21/2023] [Accepted: 03/23/2023] [Indexed: 04/03/2023] Open
Abstract
Since the first report of the organoselenium compound, ebselen, as a potent inhibitor of the SARS-CoV-2 Mpro main protease by Z. Jin et al. (Nature, 2020), different OSe analogs have been developed and evaluated for their anti-COVID-19 activities. Herein, organoselenium-clubbed Schiff bases were synthesized in good yields (up to 87%) and characterized using different spectroscopic techniques. Their geometries were studied by DFT using the B3LYP/6–311 (d, p) approach. Ten FDA-approved drugs targeting COVID-19 were used as model pharmacophores to interpret the binding requirements of COVID-19 inhibitors. The antiviral efficiency of the novel organoselenium compounds was assessed by molecular docking against the 6LU7 protein to investigate their possible interactions. Our results showed that the COVID-19 primary protease bound to organoselenium ligands with high binding energy scores ranging from −8.19 to −7.33 Kcal/mol for 4c and 4a to −6.10 to −6.20 Kcal/mol for 6b and 6a. Furthermore, the docking data showed that 4c and 4a are good Mpro inhibitors. Moreover, the drug-likeness studies, including Lipinski’s rule and ADMET properties, were also assessed. Interestingly, the organoselenium candidates manifested solid pharmacokinetic qualities in the ADMET studies. Overall, the results demonstrated that the organoselenium-based Schiff bases might serve as possible drugs for the COVID-19 epidemic.
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Omage FB, Madabeni A, Tucci AR, Nogara PA, Bortoli M, Rosa ADS, Neuza Dos Santos Ferreira V, Teixeira Rocha JB, Miranda MD, Orian L. Diphenyl Diselenide and SARS-CoV-2: in silico Exploration of the Mechanisms of Inhibition of Main Protease (M pro) and Papain-like Protease (PL pro). J Chem Inf Model 2023; 63:2226-2239. [PMID: 36952618 PMCID: PMC10091420 DOI: 10.1021/acs.jcim.3c00168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/25/2023]
Abstract
The SARS-CoV-2 pandemic has prompted global efforts to develop therapeutics. The main protease of SARS-CoV-2 (Mpro) and the papain-like protease (PLpro) are essential for viral replication and are key targets for therapeutic development. In this work, we investigate the mechanisms of SARS-CoV-2 inhibition by diphenyl diselenide (PhSe)2 which is an archetypal model of diselenides and a renowned potential therapeutic agent. The in vitro inhibitory concentration of (PhSe)2 against SARS-CoV-2 in Vero E6 cells falls in the low micromolar range. Molecular dynamics (MD) simulations and density functional theory (DFT) calculations [level of theory: SMD-B3LYP-D3(BJ)/6-311G(d,p), cc-pVTZ] are used to inspect non-covalent inhibition modes of both proteases via π-stacking and the mechanism of covalent (PhSe)2 + Mpro product formation involving the catalytic residue C145, respectively. The in vitro CC50 (24.61 μM) and EC50 (2.39 μM) data indicate that (PhSe)2 is a good inhibitor of the SARS-CoV-2 virus replication in a cell culture model. The in silico findings indicate potential mechanisms of proteases' inhibition by (PhSe)2; in particular, the results of the covalent inhibition here discussed for Mpro, whose thermodynamics is approximatively isoergonic, prompt further investigation in the design of antiviral organodiselenides.
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Affiliation(s)
- Folorunsho Bright Omage
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul 97105-900, Brazil
| | - Andrea Madabeni
- Dipartimento di Scienze Chimiche, Università Degli Studi di Padova, Via Marzolo 1, Padova 35131, Italy
| | - Amanda Resende Tucci
- Laboratório de Vírus Respiratórios e Do Sarampo, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Manguinhos, Rio de Janeiro 21041-210, Brazil
- Laboratório de Morfologia e Morfogênese Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Manguinhos, Rio de Janeiro 21041-210, Brazil
| | - Pablo Andrei Nogara
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul 97105-900, Brazil
| | - Marco Bortoli
- Institute of Computational Chemistry and Catalysis (IQCC) and Department of Chemistry, Faculty of Sciences, University of Girona, C/M. A. Capmany 69, Girona 17003, Spain
| | - Alice Dos Santos Rosa
- Laboratório de Vírus Respiratórios e Do Sarampo, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Manguinhos, Rio de Janeiro 21041-210, Brazil
- Laboratório de Morfologia e Morfogênese Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Manguinhos, Rio de Janeiro 21041-210, Brazil
| | - Vivian Neuza Dos Santos Ferreira
- Laboratório de Vírus Respiratórios e Do Sarampo, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Manguinhos, Rio de Janeiro 21041-210, Brazil
- Laboratório de Morfologia e Morfogênese Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Manguinhos, Rio de Janeiro 21041-210, Brazil
| | - João Batista Teixeira Rocha
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul 97105-900, Brazil
| | - Milene Dias Miranda
- Laboratório de Vírus Respiratórios e Do Sarampo, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Manguinhos, Rio de Janeiro 21041-210, Brazil
- Laboratório de Morfologia e Morfogênese Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Manguinhos, Rio de Janeiro 21041-210, Brazil
| | - Laura Orian
- Dipartimento di Scienze Chimiche, Università Degli Studi di Padova, Via Marzolo 1, Padova 35131, Italy
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De Jesus DFF, De Freitas ALD, De Oliveira IM, De Almeida LC, Bastos RW, Spadari CDC, Melo ASDA, Santos DDA, Costa-Lotufo LV, Reis FCG, Rodrigues ML, Stefani HA, Ishida K. Organoselenium Has a Potent Fungicidal Effect on Cryptococcus neoformans and Inhibits the Virulence Factors. Antimicrob Agents Chemother 2023; 67:e0075922. [PMID: 36815840 PMCID: PMC10019174 DOI: 10.1128/aac.00759-22] [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: 05/30/2022] [Accepted: 01/14/2023] [Indexed: 02/24/2023] Open
Abstract
Cryptococcosis therapy is often limited by toxicity problems, antifungal tolerance, and high costs. Studies approaching chalcogen compounds, especially those containing selenium, have shown promising antifungal activity against pathogenic species. This work aimed to evaluate the in vitro and in vivo antifungal potential of organoselenium compounds against Cryptococcus neoformans. The lead compound LQA_78 had an inhibitory effect on C. neoformans planktonic cells and dispersed cells from mature biofilms at similar concentrations. The fungal growth inhibition led to an increase in budding cells arrested in the G2/M phase, but the compound did not significantly affect structural cell wall components or chitinase activity, an enzyme that regulates the dynamics of the cell wall. The compound also inhibited titan cell (Tc) and enlarged capsule yeast (NcC) growth and reduced the body diameter and capsule thickness associated with increased capsular permeability of both virulent morphotypes. LQA_78 also reduced fungal melanization through laccase activity inhibition. The fungicidal activity was observed at higher concentrations (16 to 64 μg/mL) and may be associated with augmented plasma membrane permeability, ROS production, and loss of mitochondrial membrane potential. While LQA_78 is a nonhemolytic compound, its cytotoxic effects were cell type dependent, exhibiting no toxicity on Galleria mellonella larvae at a dose ≤46.5 mg/kg. LQA_78 treatment of larvae infected with C. neoformans effectively reduced the fungal burden and inhibited virulent morphotype formation. To conclude, LQA_78 displays fungicidal action and inhibits virulence factors of C. neoformans. Our results highlight the potential use of LQA_78 as a lead molecule for developing novel pharmaceuticals for treating cryptococcosis.
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Affiliation(s)
| | | | | | | | - Rafael Wesley Bastos
- Center of Biosciences, Federal University of Rio Grande do Norte (UFRN), Natal, Brazil
| | | | | | - Daniel de Assis Santos
- Institute of Biomedical Sciences, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
| | | | - Flavia C. G. Reis
- Carlos Chagas Institute, Oswaldo Cruz Foundation, Curitiba, Brazil
- Center for Technological Development in Health (CDTS), Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | - Marcio L. Rodrigues
- Carlos Chagas Institute, Oswaldo Cruz Foundation, Curitiba, Brazil
- Institute of Microbiology Paulo de Góes, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | | | - Kelly Ishida
- Institute of Biomedical Sciences, University of São Paulo (USP), São Paulo, Brazil
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Andriani GM, Spoladori LFDA, Fabris M, Camargo PG, Pereira PML, Santos JP, Bartolomeu-Gonçalves G, Alonso L, Lancheros CAC, Alonso A, Nakamura CV, Macedo F, Pinge-Filho P, Yamauchi LM, Bispo MDLF, Tavares ER, Yamada-Ogatta SF. Synergistic antifungal interaction of N-(butylcarbamothioyl) benzamide and amphotericin B against Cryptococcus neoformans. Front Microbiol 2023; 14:1040671. [PMID: 36960287 PMCID: PMC10028264 DOI: 10.3389/fmicb.2023.1040671] [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: 09/09/2022] [Accepted: 02/20/2023] [Indexed: 03/09/2023] Open
Abstract
Introduction Cryptococcus neoformans is one of the leading causes of invasive fungal infections worldwide. Cryptococcal meningoencephalitis is the main challenge of antifungal therapy due to high morbidity and mortality rates, especially in low- and middle-income countries. This can be partly attributed to the lack of specific diagnosis difficulty accessing treatment, antifungal resistance and antifungal toxicity. Methods In the present study, the effect of the synthetic thiourea derivative N-(butylcarbamothioyl) benzamide (BTU-01), alone and combined with amphotericin B (AmB), was evaluated in planktonic and sessile (biofilm) cells of C. neoformans. Results BTU-01 alone exhibited a fungistatic activity with minimal inhibitory concentrations (MICs) ranging from 31.25 to 62.5 μg/mL for planktonic cells; and sessile MICs ranging from 125.0 to 1000.0 μg/mL. BTU-01 caused a concentration-dependent inhibitory activity on cryptococcal urease and did not interfere with plasma membrane fluidity. Molecular docking was performed on Canavalia ensiformis urease, and BTU-01 showed relevant interactions with the enzyme. The combination of BTU-01 and AmB exhibited synergistic fungicidal activity against planktonic and sessile cells of C. neoformans. Microscopic analysis of C. neoformans treated with BTU-01, alone or combined with AmB, revealed a reduction in cell and capsule sizes, changes in the morphology of planktonic cells; a significant decrease in the number of cells within the biofilm; and absence of exopolymeric matrix surrounding the sessile cells. Neither hemolytic activity nor cytotoxicity to mammalian cells was detected for BTU-01, alone or combined with AmB, at concentrations that exhibited antifungal activity. BTU-01 also displayed drug-likeness properties. Conclusion These results indicate the potential of BTU-01, for the development of new strategies for controlling C. neoformans infections.
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Affiliation(s)
- Gabriella Maria Andriani
- Programa de Pós-graduação em Microbiologia, Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
- Laboratório de Biologia Molecular de Microrganismos, Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Lais Fernanda de Almeida Spoladori
- Programa de Pós-graduação em Microbiologia, Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
- Laboratório de Biologia Molecular de Microrganismos, Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Marciéli Fabris
- Laboratório de Síntese de Moléculas Medicinais, Departamento de Química, Centro de Ciências Exatas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Priscila Goes Camargo
- Laboratório de Síntese de Moléculas Medicinais, Departamento de Química, Centro de Ciências Exatas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Patrícia Morais Lopes Pereira
- Programa de Pós-graduação em Microbiologia, Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Jussevania Pereira Santos
- Laboratório de Biologia Molecular de Microrganismos, Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Guilherme Bartolomeu-Gonçalves
- Laboratório de Biologia Molecular de Microrganismos, Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
- Programa de Pós-graduação em Fisiopatologia Clínica e Laboratorial, Departamento de Patología, Análises Clínicas e Toxicológicas, Centro de Ciências da Saúde, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Lais Alonso
- Instituto de Física, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Cesar Armando Contreras Lancheros
- Laboratório de Inovação Tecnológica no Desenvolvimento de Fármacos e Cosméticos, Departamento de Ciências Básicas da Saúde, Centro de Ciências da Saúde, Universidade Estadual de Maringá, Maringá, Paraná, Brazil
| | - Antonio Alonso
- Instituto de Física, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Celso Vataru Nakamura
- Programa de Pós-graduação em Microbiologia, Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
- Laboratório de Inovação Tecnológica no Desenvolvimento de Fármacos e Cosméticos, Departamento de Ciências Básicas da Saúde, Centro de Ciências da Saúde, Universidade Estadual de Maringá, Maringá, Paraná, Brazil
| | - Fernando Macedo
- Laboratório de Síntese de Moléculas Medicinais, Departamento de Química, Centro de Ciências Exatas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Phileno Pinge-Filho
- Programa de Pós-graduação em Microbiologia, Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
- Laboratório de Imunopatologia Experimental, Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Lucy Megumi Yamauchi
- Programa de Pós-graduação em Microbiologia, Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
- Laboratório de Biologia Molecular de Microrganismos, Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Marcelle de Lima Ferreira Bispo
- Laboratório de Síntese de Moléculas Medicinais, Departamento de Química, Centro de Ciências Exatas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Eliandro Reis Tavares
- Programa de Pós-graduação em Microbiologia, Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
- Laboratório de Biologia Molecular de Microrganismos, Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Sueli Fumie Yamada-Ogatta
- Programa de Pós-graduação em Microbiologia, Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
- Laboratório de Biologia Molecular de Microrganismos, Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
- Programa de Pós-graduação em Fisiopatologia Clínica e Laboratorial, Departamento de Patología, Análises Clínicas e Toxicológicas, Centro de Ciências da Saúde, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
- *Correspondence: Sueli Fumie Yamada-Ogatta,
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Organoselenocyanates Tethered Methyl Anthranilate Hybrids with Promising Anticancer, Antimicrobial, and Antioxidant Activities. INORGANICS 2022. [DOI: 10.3390/inorganics10120246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Novel methyl anthranilate-based organoselenocyanate hybrids were developed, and their structures were confirmed by the state-of-the-art spectroscopic techniques. Their antimicrobial potency was estimated against various microbial strains (e.g., Candida albicans, Escherichia coli, and Staphylococcus aureus). The S. aureus and C. albicans strains were more sensitive than E. coli toward the organoselenocyanates. Interestingly, the azoic derivatives 4 and 9, methyl ester 6, and phenoxy acetamide 15 showed promising antimicrobial activity. Moreover, the antitumor potential was estimated against liver and breast carcinomas, as well as primary fibroblasts. Interestingly, the anticancer properties were more pronounced in the HepG2 cells. The organoselenocyanates 4, 6, 9, 10, and 15 showed interesting anti-HepG2 cytotoxic patterns. Additionally, organoselenocyanates 3, 4, and 10 exhibited promising antioxidant activities in the 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid and 2,2-diphenyl-1-picrylhydrazyl in vitro assays compared to ascorbic acid. These data point to promising antimicrobial, anticancer, and antioxidant activities of organoselenocyanates 6, 9, and 15 warrant further studies.
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Novel organoselenium-based N-mealanilic acid and its zinc (II) chelate: Catalytic, anticancer, antimicrobial, antioxidant, and computational assessments. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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12
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Shaaban S, Ferjani H, Abd El-Lateef HM, Khalaf MM, Gouda M, Alaasar M, Yousef TA. Unexpected kinetically controlled organoselenium-based isomaleimide: X-ray structure, hirshfeld surface analysis, 3D energy framework approach, and density functional theory calculation. Front Chem 2022; 10:961787. [PMID: 35991613 PMCID: PMC9388736 DOI: 10.3389/fchem.2022.961787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Accepted: 06/30/2022] [Indexed: 11/13/2022] Open
Abstract
Reduction of 4,4′-diselanediyldianiline (1) followed by the reaction with bromo-4-(bromomethyl)benzene afforded the corresponding 4-((4-bromobenzyl)selanyl)aniline (2) in 85% yield. N-Maleanilic acid 3 was obtained in 94% yield via the reaction of selenoamine 2 with toxilic anhydride. Subsequent dehydration of N-maleanilic acid 3 using acetic anhydride furnished the unexpected isomaleimide 5-((4-((4-bromophenyl)selanyl)phenyl)imino)furan-2(5H)-one (4) instead of the maleimide 5. The molecular structure of compound 4 was confirmed by mass spectrometry, 1H- and 13C-NMR spectroscopy, and X-ray diffraction analysis. Their cytotoxicity was assessed against two oligodendrocytes, and their respective redox properties were evaluated using 2′,7′-dichlorodihydrofluorescein diacetate (H2-DCFDA) assay. Furthermore, their antiapoptotic potential was also evaluated by flow cytometry. The compound crystallizes in triclinic P-1 space group with unit cell parameters a = 5.7880 (4) Å, b = 9.8913 (6) Å, c = 14.5951 (9) Å, V = 1731.0 (3) Å3 and Z = 2. The crystal packing is stabilized by intermolecular hydrogen bonding, π···π, C-Br···π stacking interactions, and other non-covalent interactions. The mapping of different Hirshfeld surfaces and 2D-fingerprint were used to investigate intermolecular interactions. The interaction energies that stabilize the crystal packing were calculated and graphically represented as framework energy diagrams. We present a computational investigation of compound 4’s molecular structure at the Density Functional Theory level using the B3LYP method and the 6-31G ++ basis set in this paper. The optimized structure matches the experimental outcome. The global reactivity descriptors and molecular electrostatic potential (M.E.P.) map emphasize the molecule’s reactive locations, allowing reactivity prediction. The charge transfer properties of molecules can be estimated by examining Frontier molecular orbitals.
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Affiliation(s)
- Saad Shaaban
- Department of Chemistry, College of Science, King Faisal University, Al Hofuf, Saudi Arabia
- Department of Chemistry, Organic Chemistry Division, College of Science, Mansoura University, Mansoura, Egypt
- *Correspondence: Saad Shaaban, , ; Mohamed Alaasar, ; Tarek A. Yousef,
| | - Hela Ferjani
- Department of Chemistry, College of Science, IMSIU (Imam Mohammad Ibn Saud Islamic University), Riyadh, Saudi Arabia
| | - Hany M. Abd El-Lateef
- Department of Chemistry, College of Science, King Faisal University, Al Hofuf, Saudi Arabia
- Chemistry Department, Faculty of Science, Sohag University, Sohag, Egypt
| | - Mai M. Khalaf
- Department of Chemistry, College of Science, King Faisal University, Al Hofuf, Saudi Arabia
- Chemistry Department, Faculty of Science, Sohag University, Sohag, Egypt
| | - Mohamed Gouda
- Department of Chemistry, College of Science, King Faisal University, Al Hofuf, Saudi Arabia
| | - Mohamed Alaasar
- Institute of Chemistry, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
- *Correspondence: Saad Shaaban, , ; Mohamed Alaasar, ; Tarek A. Yousef,
| | - Tarek A. Yousef
- Department of Chemistry, College of Science, IMSIU (Imam Mohammad Ibn Saud Islamic University), Riyadh, Saudi Arabia
- Toxic and Narcotic Drug, Forensic Medicine Department, Mansoura Laboratory, Medicolegal Organization, Ministry of Justice, Cairo, Egypt
- *Correspondence: Saad Shaaban, , ; Mohamed Alaasar, ; Tarek A. Yousef,
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Fu Y, Saxu R, Ahmad Ridwan K, Zhao C, Kong X, Rong Y, Zheng W, Yu P, Teng Y. Selenium substituted axitinib reduces axitinib side effects and maintains its anti-renal tumor activity. RSC Adv 2022; 12:21821-21826. [PMID: 36043080 PMCID: PMC9358677 DOI: 10.1039/d2ra01882a] [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: 03/23/2022] [Accepted: 07/21/2022] [Indexed: 11/21/2022] Open
Abstract
Axitinib is a potent vascular endothelial growth factor receptor (VEGFR) inhibitor, which has a strong inhibitory effect on the three isoforms of VEGFR 1-3. Having strong therapeutic efficacy, its broad use is limited by its side effects such as hypertension, proteinuria, cardiovascular damage, and liver and kidney dysfunction. Selenium compounds are broadly reported to have a good protective effect on cardiovascular disease, inflammation, infection, and immune function. In this study, a selenium substitute of axitinib was synthesized, and its anti-renal cell carcinoma activity and side effects were investigated. The results of the study indicated that Se-axitinib had potent antitumor activity on renal cell carcinoma (RCC), alleviated vascular hyperpermeability, and also alleviated axitinib-related side effects including hypertension, liver dysfunction and kidney dysfunction significantly. Therefore, we suggest that Se-axitinib could be a solution to the severe side effects of VEGFR inhibitors and provide evidence to improve the outcome of RCC treatment.
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Affiliation(s)
- Ying Fu
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Bioengineering, Tianjin University of Science and Technology Tianjin 300457 China
| | - Rengui Saxu
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Bioengineering, Tianjin University of Science and Technology Tianjin 300457 China
| | - Kadir Ahmad Ridwan
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Bioengineering, Tianjin University of Science and Technology Tianjin 300457 China
| | - Cai Zhao
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Bioengineering, Tianjin University of Science and Technology Tianjin 300457 China
| | - Xiangshun Kong
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Bioengineering, Tianjin University of Science and Technology Tianjin 300457 China
| | - Yao Rong
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Bioengineering, Tianjin University of Science and Technology Tianjin 300457 China
| | - Weida Zheng
- Medical College, Yanbian University No.977 Gongyuan Road Yanji City Jilin Province 133002 P. R. China
| | - Peng Yu
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Bioengineering, Tianjin University of Science and Technology Tianjin 300457 China
| | - Yuou Teng
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Bioengineering, Tianjin University of Science and Technology Tianjin 300457 China
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Initial Results of the International Efforts in Screening New Agents against Candida auris. J Fungi (Basel) 2022; 8:jof8080771. [PMID: 35893139 PMCID: PMC9330594 DOI: 10.3390/jof8080771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 07/07/2022] [Accepted: 07/11/2022] [Indexed: 12/10/2022] Open
Abstract
BACKGROUND Candida auris is an emergent fungal pathogen and a global concern, mostly due to its resistance to many currently available antifungal drugs. OBJECTIVE Thus, in response to this challenge, we evaluated the in vitro activity of potential new drugs, diphenyl diselenide (PhSe)2 and nikkomycin Z (nikZ), alone and in association with currently available antifungals (azoles, echinocandins, and polyenes) against Candida auris. METHODS Clinical isolates of C. auris were tested in vitro. (PhSe)2 and nikZ activities were tested alone and in combination with amphotericin B, fluconazole, or the echinocandins, micafungin and caspofungin. RESULTS (PhSe)2 alone was unable to inhibit C. auris, and antagonism or indifferent effects were observed in the combination of this compound with the antifungals tested. NikZ appeared not active alone either, but frequently acted cooperatively with conventional antifungals. CONCLUSION Our data show that (PhSe)2 appears to not have a good potential to be a candidate in the development of new drugs to treat C. auris, but that nikZ is worthy of further study.
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Novel Organoselenium Redox Modulators with Potential Anticancer, Antimicrobial, and Antioxidant Activities. Antioxidants (Basel) 2022; 11:antiox11071231. [PMID: 35883724 PMCID: PMC9312238 DOI: 10.3390/antiox11071231] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 06/09/2022] [Accepted: 06/14/2022] [Indexed: 02/07/2023] Open
Abstract
Novel organic selenides were developed in good yields (up to 91%), and their chemical entities were confirmed by IR, MS, and 1H- and 13C-NMR spectroscopy. Their anticancer and antimicrobial properties were estimated against different human cancer (MCF-7 and HepG2) and healthy (WI-38) cell lines, as well as several microbial strains (Escherichia coli, Staphylococcus aureus, and Candida albicans). Furthermore, the 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) bioassays were used for the estimation of the antioxidant activities. Generally, cytotoxicity results were more pronounced against the MCF-7 cells than HepG2 cells. Compound 2-((4-((1-hydroxynaphthalen-2-yl)diazenyl)phenyl)selanyl)-N-phenylacetamide (9) was the most cytotoxic, even more than doxorubicin, with IC50 of 3.27 ± 0.2 against 4.17 ± 0.2 µM and twelve-times more selective, respectively. Interestingly, compound 9 exhibited similar antimicrobial potential to reference antibacterial and antifungal drugs and comparable antioxidant activity to vitamin C. These results point to selective cytotoxicity against MCF-7 cells and interesting antimicrobial and antioxidant properties of some newly synthesized organic selenides, which in turn needs further in vitro studies.
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Shaaban S, El-Lateef HMA, Khalaf MM, Gouda M, Youssef I. One-Pot Multicomponent Polymerization, Metal-, and Non-Metal-Catalyzed Synthesis of Organoselenium Compounds. Polymers (Basel) 2022; 14:polym14112208. [PMID: 35683881 PMCID: PMC9182861 DOI: 10.3390/polym14112208] [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: 05/16/2022] [Revised: 05/26/2022] [Accepted: 05/27/2022] [Indexed: 02/07/2023] Open
Abstract
The one-pot multicomponent synthetic strategy of organoselenium compounds represents an alternative and robust protocol to the conventional multistep methods. During the last decade, a potential advance has been made in this domain. This review discusses the latest advances in the polymerization, metal, and metal-free one-pot multicomponent synthesis of organoselenium compounds.
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Affiliation(s)
- Saad Shaaban
- Department of Chemistry, College of Science, King Faisal University, P.O. Box 380, Al-Ahsa 31982, Saudi Arabia; (H.M.A.E.-L.); (M.M.K.); (M.G.)
- Department of Chemistry, Organic Chemistry Division, College of Science, Mansoura University, Mansoura 11432, Egypt
- Correspondence: or (S.S.); (I.Y.)
| | - Hany M. Abd El-Lateef
- Department of Chemistry, College of Science, King Faisal University, P.O. Box 380, Al-Ahsa 31982, Saudi Arabia; (H.M.A.E.-L.); (M.M.K.); (M.G.)
- Chemistry Department, Faculty of Science, Sohag University, Sohag 82524, Egypt
| | - Mai M. Khalaf
- Department of Chemistry, College of Science, King Faisal University, P.O. Box 380, Al-Ahsa 31982, Saudi Arabia; (H.M.A.E.-L.); (M.M.K.); (M.G.)
- Chemistry Department, Faculty of Science, Sohag University, Sohag 82524, Egypt
| | - Mohamed Gouda
- Department of Chemistry, College of Science, King Faisal University, P.O. Box 380, Al-Ahsa 31982, Saudi Arabia; (H.M.A.E.-L.); (M.M.K.); (M.G.)
| | - Ibrahim Youssef
- Department of Chemistry, Organic Chemistry Division, College of Science, Mansoura University, Mansoura 11432, Egypt
- Transcranial Focused Ultrasound Laboratory, UTSW Medical Center, Dallas, TX 75390, USA
- Neuroradiology and Neuro-Intervention Section, Department of Radiology, UTSW Medical Center, Dallas, TX 75390, USA
- Correspondence: or (S.S.); (I.Y.)
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Gnat S, Łagowski D, Dyląg M, Jóźwiak G, Trościańczyk A, Nowakiewicz A. In Vitro Activity of Ebselen and Diphenyl Diselenide Alone and in Combination with Drugs against Trichophyton mentagrophytes Strains. Pharmaceutics 2022; 14:pharmaceutics14061158. [PMID: 35745731 PMCID: PMC9229022 DOI: 10.3390/pharmaceutics14061158] [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: 04/13/2022] [Revised: 05/10/2022] [Accepted: 05/26/2022] [Indexed: 11/29/2022] Open
Abstract
Background: Dermatophytoses are one of the most prevalent infectious diseases in the world for which the pace of developing new drugs has not kept pace with the observed therapeutic problems. Thus, searching for new antifungals with an alternative and novel mechanism of action is necessary. Objective: This study aimed to evaluate the antifungal activity of ebselen and diphenyl diselenide against Trichophyton mentagrophytes clinical isolates. Methods: In vitro antifungal susceptibility was assessed for organoselenium compounds used alone or in combination with allylamines and azoles according to the 3rd edition of the CLSI M38 protocol. Results: Ebselen demonstrated high antifungal activity with MICGM equal to 0.442 μg/mL and 0.518 μg/mL in the case of human and animal origin strains, respectively. The values of MICGM of diphenyl diselenide were higher: 17.36 μg/mL and 13.45 μg/mL for the human and animal isolates, respectively. Synergistic or additive effects between terbinafine and ebselen or diphenyl diselenide were observed in the case of 12% and 20% strains, respectively. In turn, the combination of itraconazole with diphenyl diselenide showed a synergistic effect only in the case of 6% of the tested strains, whereas no synergism was shown in the combination with ebselen. Conclusions: The results highlight the promising activity of organoselenium compounds against Trichophyton mentagrophytes. However, their use in combinational therapy with antifungal drugs seems to be unjustified due to the weak synergistic effect observed.
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Affiliation(s)
- Sebastian Gnat
- Department of Veterinary Microbiology, Faculty of Veterinary Medicine, University of Life Sciences, Akademicka 12, 20-033 Lublin, Poland; (D.Ł.); (A.T.); (A.N.)
- Correspondence: ; Tel.: +48-81-445-6093
| | - Dominik Łagowski
- Department of Veterinary Microbiology, Faculty of Veterinary Medicine, University of Life Sciences, Akademicka 12, 20-033 Lublin, Poland; (D.Ł.); (A.T.); (A.N.)
| | - Mariusz Dyląg
- Department of Mycology and Genetics, Faculty of Biological Sciences, University of Wroclaw, S. Przybyszewskiego 63, 50-137 Wroclaw, Poland;
| | - Grzegorz Jóźwiak
- Department of Inorganic Chemistry, Faculty of Pharmacy, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland;
| | - Aleksandra Trościańczyk
- Department of Veterinary Microbiology, Faculty of Veterinary Medicine, University of Life Sciences, Akademicka 12, 20-033 Lublin, Poland; (D.Ł.); (A.T.); (A.N.)
| | - Aneta Nowakiewicz
- Department of Veterinary Microbiology, Faculty of Veterinary Medicine, University of Life Sciences, Akademicka 12, 20-033 Lublin, Poland; (D.Ł.); (A.T.); (A.N.)
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da Silva BGM, Pinto AP, Passos JCDS, da Rocha JBT, Alberto-Silva C, Costa MS. Diphenyl diselenide suppresses key virulence factors of Candida krusei, a neglected fungal pathogen. BIOFOULING 2022; 38:427-440. [PMID: 35670068 DOI: 10.1080/08927014.2022.2084388] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 05/17/2022] [Accepted: 05/25/2022] [Indexed: 06/15/2023]
Abstract
Candida krusei is a candidiasis etiological agent of relevance in the clinical setting because of its intrinsic resistance to fluconazole. Also, it has opened up new paths in the area of alternative therapeutic techniques. This project demonstrated the effects of diphenyl diselenide (PhSe)2 and p-cloro diphenyl diselenide (pCl-PhSe)2, two organochalcogen compounds, on relevant virulence factors for the early stage of the C. krusei host interaction and infection process. Both compounds inhibited adherence of C. krusei to both polystyrene surfaces and cervical epithelial cells and biofilm formation; the structure of the biofilm was also changed in a dose-dependent manner. In addition, both compounds inhibited C. krusei growth, but (PhSe)2 significantly increased the time duration of the lag phase and delayed the start of the exponential phase in growth kinetics. (PhSe)2 has more potential antifungal activity than (pCl-PhSe)2 in inhibiting the adherence to epithelial cells, biofilm formation, and growth of C. krusei.
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Affiliation(s)
| | - Ana Paula Pinto
- Instituto de Pesquisa e Desenvolvimento-IP&D, Universidade do Vale do Paraíba, São José dos Campos, São Paulo, Brazil
| | | | - João Batista Teixeira da Rocha
- Departamento de Química, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, São Paulo, Brazil
| | - Carlos Alberto-Silva
- Experimental Morphophysiology Laboratory, Natural and Humanities Sciences Center (CCNH), Federal University of ABC-UFABC, São Paulo, Brazil
| | - Maricilia Silva Costa
- Instituto de Pesquisa e Desenvolvimento-IP&D, Universidade do Vale do Paraíba, São José dos Campos, São Paulo, Brazil
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Evaluation of novel multifunctional organoselenium compounds as potential cholinesterase inhibitors against Alzheimer’s disease. Med Chem Res 2022. [DOI: 10.1007/s00044-022-02879-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Ebselen and Analogues: Pharmacological Properties and Synthetic Strategies for Their Preparation. Molecules 2021; 26:molecules26144230. [PMID: 34299505 PMCID: PMC8306772 DOI: 10.3390/molecules26144230] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 07/07/2021] [Accepted: 07/09/2021] [Indexed: 02/06/2023] Open
Abstract
Ebselen is the leader of selenorganic compounds, and starting from its identification as mimetic of the key antioxidant enzyme glutathione peroxidase, several papers have appeared in literature claiming its biological activities. It was the subject of several clinical trials and it is currently in clinical evaluation for the treatment of COVID-19 patients. Given our interest in the synthesis and pharmacological evaluation of selenorganic derivatives with this review, we aimed to collect all the papers focused on the biological evaluation of ebselen and its close analogues, covering the timeline between 2016 and most of 2021. Our analysis evidences that, even if it lacks specificity when tested in vitro, being able to bind to every reactive cysteine, it proved to be always well tolerated in vivo, exerting no sign of toxicity whatever the administered doses. Besides, looking at the literature, we realized that no review article dealing with the synthetic approaches for the construction of the benzo[d][1,2]-selenazol-3(2H)-one scaffold is available; thus, a section of the present review article is completely devoted to this specific topic.
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Benelli JL, Poester VR, Munhoz LS, Klafke GB, Stevens DA, Xavier MO. In vitro anti-Cryptococcus activity of diphenyl diselenide alone and in combination with amphotericin B and fluconazole. Braz J Microbiol 2021; 52:1719-1723. [PMID: 34195915 DOI: 10.1007/s42770-021-00552-w] [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: 02/11/2021] [Accepted: 06/21/2021] [Indexed: 11/26/2022] Open
Abstract
Cryptococcus is an encapsulated yeast that causes fungal meningitis, most commonly in HIV patients, with high mortality rates. Thus, the study of new treatment options is relevant. Antifungal activity of organoselenium compounds attributed to their pro-oxidative effect in fungal cells has been shown given that few data regarding its anti-Cryptococcus activity are available, this in vitro study was conducted with 40 clinical isolates of Cryptococcus neoformans. Diphenyl diselenide (DD) alone, and its interaction with amphotericin B or fluconazole, was tested by microdilution and checkerboard assays. All Cryptococcus neoformans were inhibited by DD in concentrations ≤ 32 μg/mL, and fungicidal concentrations were ≤ 64 μg/mL. Advantageous interaction between fluconazole occurred in 40% of the isolates, respectively. This study contributes with data of DD alone and in combination with classical drugs of choice for cryptococcosis treatment. Further studies focused on DD antifungal mechanism of action, and in vivo experiments are necessary.
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Affiliation(s)
- Jéssica Louise Benelli
- Mycology Laboratory, College of Medicine, Federal University of Rio Grande, Campus Saúde, Visconde de Paranaguá 102, Centro, Rio Grande, Rio Grande do Sul, 96201-900, Brazil
- Health Science Post-Graduation Program, College of Medicine, Federal University of Rio Grande, Rio Grande, Rio Grande do Sul, Brazil
- Biomedical, Clinical Analysis Laboratory (LAC) of the University Hospital Dr. Miguel Riet Correa (HU-FURG/EBSERH), Rio Grande, Rio Grande do Sul, Brazil
| | - Vanice Rodrigues Poester
- Mycology Laboratory, College of Medicine, Federal University of Rio Grande, Campus Saúde, Visconde de Paranaguá 102, Centro, Rio Grande, Rio Grande do Sul, 96201-900, Brazil
- Health Science Post-Graduation Program, College of Medicine, Federal University of Rio Grande, Rio Grande, Rio Grande do Sul, Brazil
| | - Lívia Silveira Munhoz
- Mycology Laboratory, College of Medicine, Federal University of Rio Grande, Campus Saúde, Visconde de Paranaguá 102, Centro, Rio Grande, Rio Grande do Sul, 96201-900, Brazil
- Health Science Post-Graduation Program, College of Medicine, Federal University of Rio Grande, Rio Grande, Rio Grande do Sul, Brazil
| | - Gabriel Baracy Klafke
- Mycology Laboratory, College of Medicine, Federal University of Rio Grande, Campus Saúde, Visconde de Paranaguá 102, Centro, Rio Grande, Rio Grande do Sul, 96201-900, Brazil
| | - David A Stevens
- California Institute for Medical Research, San Jose, and Div. of Infectious Diseases and Geographic Medicine, Stanford Univ. Medical School, Stanford, CA, USA
| | - Melissa Orzechowski Xavier
- Mycology Laboratory, College of Medicine, Federal University of Rio Grande, Campus Saúde, Visconde de Paranaguá 102, Centro, Rio Grande, Rio Grande do Sul, 96201-900, Brazil.
- Health Science Post-Graduation Program, College of Medicine, Federal University of Rio Grande, Rio Grande, Rio Grande do Sul, Brazil.
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