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Maschio-Lima T, Lemes TH, Marques MDR, Siqueira JPZ, de Almeida BG, Caruso GR, Von Zeska Kress MR, de Tarso da Costa P, Regasini LO, de Almeida MTG. Synergistic activity between conventional antifungals and chalcone-derived compound against dermatophyte fungi and Candida spp. Int Microbiol 2024:10.1007/s10123-024-00541-7. [PMID: 38819732 DOI: 10.1007/s10123-024-00541-7] [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: 01/03/2024] [Revised: 05/20/2024] [Accepted: 05/24/2024] [Indexed: 06/01/2024]
Abstract
The scarce antifungal arsenal, changes in the susceptibility profile of fungal agents, and lack of adherence to treatment have contributed to the increase of cases of dermatomycoses. In this context, new antimicrobial substances have gained importance. Chalcones are precursors of the flavonoid family that have multiple biological activities, have high tolerability by humans, and easy synthesis. In this study, we evaluated the in vitro antifungal activity, alone and in combination with conventional antifungal drugs, of the VS02-4'ethyl chalcone-derived compound against dermatophytes and Candida spp. Susceptibility testing was carried out by broth microdilution. Experiments for determination of the target of the compound on the fungal cell, time-kill kinetics, and toxicity tests in Galleria mellonella model were also performed. Combinatory effects were evaluated by the checkerboard method. Results showed high activity of the compound VS02-4'ethyl against dermatophytes (MIC of 7.81-31.25 μg/ml). The compound targeted the cell membrane, and the time-kill test showed the compound continues to exert gradual activity after 5 days on dermatophytes, but no significant activity on Candida. Low toxicity was observed at 250 mg/kg. Excellent results were observed in the combinatory test, where VS02-4'ethyl showed synergistic interactions with itraconazole, fluconazole, terbinafine, and griseofulvin, against all isolates tested. Although further investigation is needed, these results revealed the great potential of chalcone-derived compounds against fungal infections for which treatments are long and laborious.
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Affiliation(s)
- Taiza Maschio-Lima
- Institute of Biosciences, Humanities and Exact Sciences, São Paulo State University (UNESP), São José do Rio Preto, São Paulo, Brazil.
| | - Thiago Henrique Lemes
- Institute of Biosciences, Humanities and Exact Sciences, São Paulo State University (UNESP), São José do Rio Preto, São Paulo, Brazil
| | - Mariela Domiciano Ribeiro Marques
- Department of Dermatological, Infectious, and Parasitic Diseases, School of Medicine São José Do Rio Preto (FAMERP), São José do Rio Preto, São Paulo, Brazil
| | - João Paulo Zen Siqueira
- Department of Dermatological, Infectious, and Parasitic Diseases, School of Medicine São José Do Rio Preto (FAMERP), São José do Rio Preto, São Paulo, Brazil
| | | | - Glaucia Rigotto Caruso
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, São Paulo, Brazil
| | - Marcia Regina Von Zeska Kress
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, São Paulo, Brazil
| | - Paulo de Tarso da Costa
- Institute of Biosciences, Humanities and Exact Sciences, São Paulo State University (UNESP), São José do Rio Preto, São Paulo, Brazil
| | - Luis Octávio Regasini
- Laboratory of Antibiotics and Chemotherapy, Institute of Biosciences, Humanities and Exact Sciences, São Paulo State University (UNESP), São José do Rio Preto, São Paulo, Brazil
| | - Margarete Teresa Gottardo de Almeida
- Department of Dermatological, Infectious, and Parasitic Diseases, School of Medicine São José Do Rio Preto (FAMERP), São José do Rio Preto, São Paulo, Brazil
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Sariguzel FM, Unuvar GK, Kucukoglu O, Parkan OM, Koc AN. Identification, molecular characterization, and antifungal susceptibility of Cyberlindnera fabianii strains isolated from urinary tract. J Mycol Med 2023; 33:101429. [PMID: 37683563 DOI: 10.1016/j.mycmed.2023.101429] [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: 02/13/2023] [Revised: 08/17/2023] [Accepted: 08/21/2023] [Indexed: 09/10/2023]
Abstract
OBJECTIVES Cyberlindnera fabianii is an opportunistic pathogen isolated from clinical specimens. It can be incorrectly identified as Candida utulis by phenotypic methods. This study aimed to accurately identify Cy.fabianii strains isolated from the urinary tract, and to determine their molecular characterization and antifungal susceptibilities as well. METHODS Twenty-nine yeast strains isolated from urinary tract samples were studied. Strains were identified by phenotypically, sequence analysis and MALDI-TOF MS. Sequence analysis using different gene regions (ITS1-2,D1/D2,EF-1-alpha) in ribosomal DNA was performed for the molecular analysis. Phylogenetic analysis was done by the neighbor-joining method. Antifungal susceptibilities of strains were determined for nine antifungals by reference broth microdilution and the Sensititre YeastOne broth microdilution method (SensititreTMYeastOneTMAST Plate, Thermo Fisher Scientific™,USA) according to CLSI M60-Ed2 recommendations. RESULTS All strains were identified as C.utulis phenotypically by conventional methods, however all strains were identified as Cy.fabianii by sequence analysis and MALDI-TOF MS. It was observed that the gene regions examined in terms of determining evolutionary relatedness did not show intraspecies nucleotide variations. In all strains, the MIC50/MIC90 values for fluconazole were higher than the other antifungals tested. CONCLUSION Cy.fabianii should be considered in fluconazole-resistant urinary tract yeast infections. Although conventional phenotypical methods were insufficient to identify Cy.fabianii, it could be correctly identified with sequence analysis using different gene regions (ITS1-2,D1/D2,EF-1-alpha) in ribosomal DNA and MALDI-TOF MS.
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Affiliation(s)
- Fatma Mutlu Sariguzel
- Department of Medical Microbiology, Faculty of Medicine, Erciyes University, Kayseri 38030, Turkey.
| | - Gamze Kalin Unuvar
- Department of Infection Diseases, Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - Osman Kucukoglu
- Department of Medical Microbiology, Faculty of Medicine, Erciyes University, Kayseri 38030, Turkey
| | - Omur Mustafa Parkan
- Department of Medical Microbiology, Faculty of Medicine, Erciyes University, Kayseri 38030, Turkey
| | - Ayse Nedret Koc
- Department of Medical Microbiology, Faculty of Medicine, Erciyes University, Kayseri 38030, Turkey
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Hernando-Ortiz A, Eraso E, Quindós G, Mateo E. Candidiasis by Candida glabrata, Candida nivariensis and Candida bracarensis in Galleria mellonella: Virulence and Therapeutic Responses to Echinocandins. J Fungi (Basel) 2021; 7:jof7120998. [PMID: 34946981 PMCID: PMC8708380 DOI: 10.3390/jof7120998] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 11/15/2021] [Accepted: 11/19/2021] [Indexed: 12/13/2022] Open
Abstract
Candida albicans is the major etiological agent of invasive candidiasis but the increasing prevalence of emerging species of Candida, such as Candida glabrata and phylogenetically closely related species, Candida nivariensis and Candida bracarensis, requires special attention. Differences in virulence among these species and their therapeutic responses using in vivo non-mammalian models are scarcely analysed. The aim of this study was analyse the survival of G. mellonella and host-pathogen interactions during infection by C. glabrata, C. nivariensis and C. bracarensis. Moreover, therapeutic responses to echinocandins were also assessed in the G. mellonella model of candidiasis. These three species produced lethal infection in G. mellonella; C. glabrata was the most virulent species and C. bracarensis the less. Haemocytes of G. mellonella phagocytised C. bracarensis cells more effectively than those of the other two species. Treatment with caspofungin and micafungin was most effective to protect larvae during C. glabrata and C. nivariensis infections while anidulafungin was during C. bracarensis infection. The model of candidiasis in G. mellonella is simple and appropriate to assess the virulence and therapeutic response of these emerging Candida species. Moreover, it successfully allows for detecting differences in the immune system of the host depending on the virulence of pathogens.
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Melchor-Martínez EM, Tamez-Fernández JF, González-González GM, Silva-Mares DA, Waksman-Minsky N, Pérez-López LA, Rivas-Galindo VM. Active Flavonoids from Colubrina greggii var. greggii S. Watson against Clinical Isolates of Candida spp. Molecules 2021; 26:5760. [PMID: 34641305 PMCID: PMC8510013 DOI: 10.3390/molecules26195760] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/03/2021] [Accepted: 09/15/2021] [Indexed: 11/16/2022] Open
Abstract
Candida albicans is the most commonly implicated agent in invasive human fungal infections. The disease could be presented as minimal symptomatic candidemia or can be fulminant sepsis. Candidemia is associated with a high rate of mortality and high healthcare and hospitalization costs. The surveillance programs have reported the distribution of other Candida species reflecting the trends and antifungal susceptibilities. Previous studies have demonstrated that C. glabrata more frequently presents fluconazole-resistant strains. Extracts from Mexican plants have been reported with activity against pulmonary mycosis, among them Colubrina greggii. In the present study, extracts from the aerial parts (leaves, flowers, and fruits) of this plant were evaluated against clinical isolates of several species of Candida (C. albicans, C. glabrata, C. parapsilosis, C. krusei, and C. tropicalis) by the broth microdilution assay. Through bioassay-guided fractionation, three antifungal glycosylated flavonoids were isolated and characterized. The isolated compounds showed antifungal activity only against C. glabrata resistant to fluconazole, and were non-toxic toward brine shrimp lethality bioassay and in vitro Vero cell line assay. The ethyl acetate and butanol extracts, as well as the fractions containing the mixture of flavonoids, were more active against Candida spp.
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Affiliation(s)
- Elda M. Melchor-Martínez
- Departamento de Química Analítica, Facultad de Medicina, Universidad Autonoma de Nuevo Leon, Av. Madero s/n, Colonia Mitras Centro, Monterrey 64460, Nuevo León, Mexico; (E.M.M.-M.); (J.F.T.-F.); (D.A.S.-M.); (N.W.-M.); (L.A.P.-L.)
- School of Engineering and Sciences, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico
| | - Juan F. Tamez-Fernández
- Departamento de Química Analítica, Facultad de Medicina, Universidad Autonoma de Nuevo Leon, Av. Madero s/n, Colonia Mitras Centro, Monterrey 64460, Nuevo León, Mexico; (E.M.M.-M.); (J.F.T.-F.); (D.A.S.-M.); (N.W.-M.); (L.A.P.-L.)
| | - Gloria María González-González
- Departamento de Microbiología, Facultad de Medicina, Universidad Autonoma de Nuevo Leon, Av. Madero s/n, Colonia Mitras Centro, Monterrey 64460, Nuevo León, Mexico;
| | - David A. Silva-Mares
- Departamento de Química Analítica, Facultad de Medicina, Universidad Autonoma de Nuevo Leon, Av. Madero s/n, Colonia Mitras Centro, Monterrey 64460, Nuevo León, Mexico; (E.M.M.-M.); (J.F.T.-F.); (D.A.S.-M.); (N.W.-M.); (L.A.P.-L.)
| | - Noemí Waksman-Minsky
- Departamento de Química Analítica, Facultad de Medicina, Universidad Autonoma de Nuevo Leon, Av. Madero s/n, Colonia Mitras Centro, Monterrey 64460, Nuevo León, Mexico; (E.M.M.-M.); (J.F.T.-F.); (D.A.S.-M.); (N.W.-M.); (L.A.P.-L.)
| | - Luis Alejandro Pérez-López
- Departamento de Química Analítica, Facultad de Medicina, Universidad Autonoma de Nuevo Leon, Av. Madero s/n, Colonia Mitras Centro, Monterrey 64460, Nuevo León, Mexico; (E.M.M.-M.); (J.F.T.-F.); (D.A.S.-M.); (N.W.-M.); (L.A.P.-L.)
| | - Verónica M. Rivas-Galindo
- Departamento de Química Analítica, Facultad de Medicina, Universidad Autonoma de Nuevo Leon, Av. Madero s/n, Colonia Mitras Centro, Monterrey 64460, Nuevo León, Mexico; (E.M.M.-M.); (J.F.T.-F.); (D.A.S.-M.); (N.W.-M.); (L.A.P.-L.)
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Frías-De-León MG, Hernández-Castro R, Conde-Cuevas E, García-Coronel IH, Vázquez-Aceituno VA, Soriano-Ursúa MA, Farfán-García ED, Ocharán-Hernández E, Rodríguez-Cerdeira C, Arenas R, Robledo-Cayetano M, Ramírez-Lozada T, Meza-Meneses P, Pinto-Almazán R, Martínez-Herrera E. Candida glabrata Antifungal Resistance and Virulence Factors, a Perfect Pathogenic Combination. Pharmaceutics 2021; 13:pharmaceutics13101529. [PMID: 34683822 PMCID: PMC8538829 DOI: 10.3390/pharmaceutics13101529] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/03/2021] [Accepted: 09/14/2021] [Indexed: 02/07/2023] Open
Abstract
In recent years, a progressive increase in the incidence of invasive fungal infections (IFIs) caused by Candida glabrata has been observed. The objective of this literature review was to study the epidemiology, drug resistance, and virulence factors associated with the C. glabrata complex. For this purpose, a systematic review (January 2001-February 2021) was conducted on the PubMed, Scielo, and Cochrane search engines with the following terms: "C. glabrata complex (C. glabrata sensu stricto, C. nivariensis, C. bracarensis)" associated with "pathogenicity" or "epidemiology" or "antibiotics resistance" or "virulence factors" with language restrictions of English and Spanish. One hundred and ninety-nine articles were found during the search. Various mechanisms of drug resistance to azoles, polyenes, and echinocandins were found for the C. glabrata complex, depending on the geographical region. Among the mechanisms found are the overexpression of drug transporters, gene mutations that alter thermotolerance, the generation of hypervirulence due to increased adhesion factors, and modifications in vital enzymes that produce cell wall proteins that prevent the activity of drugs designed for its inhibition. In addition, it was observed that the C. glabrata complex has virulence factors such as the production of proteases, phospholipases, and hemolysins, and the formation of biofilms that allows the complex to evade the host immune response and generate fungal resistance. Because of this, the C. glabrata complex possesses a perfect pathogenetic combination for the invasion of the immunocompromised host.
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Affiliation(s)
- María Guadalupe Frías-De-León
- Unidad de Investigación, Hospital Regional de Alta Especialidad de Ixtapaluca, Ixtapaluca 56530, Mexico; (M.G.F.-D.-L.); (M.R.-C.)
| | - Rigoberto Hernández-Castro
- Departamento de Ecología de Agentes Patógenos, Hospital General “Dr. Manuel Gea González”, Ciudad de México 14080, Mexico; (R.H.-C.); (V.A.V.-A.)
| | - Esther Conde-Cuevas
- Maestría en Ciencias de la Salud, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, Ciudad de México 11340, Mexico; (E.C.-C.); (I.H.G.-C.); (P.M.-M.)
| | - Itzel H. García-Coronel
- Maestría en Ciencias de la Salud, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, Ciudad de México 11340, Mexico; (E.C.-C.); (I.H.G.-C.); (P.M.-M.)
| | - Víctor Alfonso Vázquez-Aceituno
- Departamento de Ecología de Agentes Patógenos, Hospital General “Dr. Manuel Gea González”, Ciudad de México 14080, Mexico; (R.H.-C.); (V.A.V.-A.)
| | - Marvin A. Soriano-Ursúa
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, Ciudad de México 11340, Mexico; (M.A.S.-U.); (E.D.F.-G.); (E.O.-H.)
| | - Eunice D. Farfán-García
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, Ciudad de México 11340, Mexico; (M.A.S.-U.); (E.D.F.-G.); (E.O.-H.)
| | - Esther Ocharán-Hernández
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, Ciudad de México 11340, Mexico; (M.A.S.-U.); (E.D.F.-G.); (E.O.-H.)
| | - Carmen Rodríguez-Cerdeira
- Efficiency, Quality, and Costs in Health Services Research Group (EFISALUD), Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, 36213 Vigo, Spain; (C.R.-C.); (R.A.)
- Dermatology Department, Hospital Vithas Ntra. Sra. de Fátima and University of Vigo, 36206 Vigo, Spain
- Campus Universitario, University of Vigo, 36310 Vigo, Spain
| | - Roberto Arenas
- Efficiency, Quality, and Costs in Health Services Research Group (EFISALUD), Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, 36213 Vigo, Spain; (C.R.-C.); (R.A.)
- Sección de Micología, Hospital General “Dr. Manuel Gea González”, Tlalpan, Ciudad de México 14080, Mexico
| | - Maura Robledo-Cayetano
- Unidad de Investigación, Hospital Regional de Alta Especialidad de Ixtapaluca, Ixtapaluca 56530, Mexico; (M.G.F.-D.-L.); (M.R.-C.)
| | - Tito Ramírez-Lozada
- Servicio de Ginecología y Obstetricia, Hospital Regional de Alta Especialidad de Ixtapaluca, Ixtapaluca 56530, Mexico;
| | - Patricia Meza-Meneses
- Maestría en Ciencias de la Salud, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, Ciudad de México 11340, Mexico; (E.C.-C.); (I.H.G.-C.); (P.M.-M.)
- Servicio de Infectología, Hospital Regional de Alta Especialidad de Ixtapaluca, Ixtapaluca 56530, Mexico
| | - Rodolfo Pinto-Almazán
- Unidad de Investigación, Hospital Regional de Alta Especialidad de Ixtapaluca, Ixtapaluca 56530, Mexico; (M.G.F.-D.-L.); (M.R.-C.)
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, Ciudad de México 11340, Mexico; (M.A.S.-U.); (E.D.F.-G.); (E.O.-H.)
- Correspondence: (R.P.-A.); (E.M.-H.); Tel.: +52-555-972-9800 (R.P.-A. or E.M.-H.)
| | - Erick Martínez-Herrera
- Unidad de Investigación, Hospital Regional de Alta Especialidad de Ixtapaluca, Ixtapaluca 56530, Mexico; (M.G.F.-D.-L.); (M.R.-C.)
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, Ciudad de México 11340, Mexico; (M.A.S.-U.); (E.D.F.-G.); (E.O.-H.)
- Efficiency, Quality, and Costs in Health Services Research Group (EFISALUD), Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, 36213 Vigo, Spain; (C.R.-C.); (R.A.)
- Correspondence: (R.P.-A.); (E.M.-H.); Tel.: +52-555-972-9800 (R.P.-A. or E.M.-H.)
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