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de Sousa Cutrim TA, Eloy MA, Barcelos FF, Meireles LM, de Freitas Ferreira LC, Reis TA, Gonçalves SS, Lacerda V, Fronza M, Morais PAB, Scherer R. New thymol-derived triazole exhibits promising activity against Trichophyton rubrum. Braz J Microbiol 2024; 55:1287-1295. [PMID: 38453819 PMCID: PMC11153403 DOI: 10.1007/s42770-024-01295-0] [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: 05/10/2023] [Accepted: 02/26/2024] [Indexed: 03/09/2024] Open
Abstract
Fungal infections have emerged worldwide, and azole antifungals are widely used to control these infections. However, the emergence of antifungal resistance has been compromising the effectiveness of these drugs. Therefore, the objective of this study was to evaluate the antifungal and cytotoxic activities of the nine new 1,2,3 triazole compounds derived from thymol that were synthesized through Click chemistry. The binding mode prediction was carried out by docking studies using the crystallographic structure of Lanosterol 14α-demethylase G73E mutant from Saccharomyces cerevisiae. The new compounds showed potent antifungal activity against Trichophyton rubrum but did not show relevant action against Aspergillus fumigatus and Candida albicans. For T. rubrum, molecules nº 5 and 8 showed promising results, emphasizing nº 8, whose fungicidal and fungistatic effects were similar to fluconazole. In addition, molecule nº 8 showed low toxicity for keratinocytes and fibroblasts, concluding that this compound demonstrates promising characteristics for developing a new drug for dermatophytosis caused by T. rubrum, or serves as a structural basis for further research.
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Affiliation(s)
- Thiago Antonio de Sousa Cutrim
- Pharmaceutical Sciences Graduate Program, Universidade Vila Velha, Comissário José Dantas de Melo St., 21, Boa Vista, Vila Velha, Espírito Santo, 29102-770, Brazil
| | - Mariana Alves Eloy
- Agrochemical Graduate Program, Federal University of Espírito Santo, Alegre, Espirito Santo, 29500-000, Brazil
| | - Fernando Fontes Barcelos
- Plant Biotechnology Graduate Program, Universidade Vila Velha, Vila Velha, Espírito Santo, 29102-770, Brazil
| | - Leandra Martins Meireles
- Pharmaceutical Sciences Graduate Program, Universidade Vila Velha, Comissário José Dantas de Melo St., 21, Boa Vista, Vila Velha, Espírito Santo, 29102-770, Brazil
| | | | - Tatiana Alves Reis
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Sarah Santos Gonçalves
- Center for Research in Medical Mycology, Department of Pathology, Federal University of Espírito Santo, Vitória, Espírito Santo, Brazil
| | - Valdemar Lacerda
- Chemistry Graduate Program, Universidade Federal Do Espírito Santo, Vitória, Espírito Santo, Brazil
| | - Marcio Fronza
- Pharmaceutical Sciences Graduate Program, Universidade Vila Velha, Comissário José Dantas de Melo St., 21, Boa Vista, Vila Velha, Espírito Santo, 29102-770, Brazil
| | - Pedro Alves Bezerra Morais
- Agrochemical Graduate Program, Federal University of Espírito Santo, Alegre, Espirito Santo, 29500-000, Brazil.
| | - Rodrigo Scherer
- Pharmaceutical Sciences Graduate Program, Universidade Vila Velha, Comissário José Dantas de Melo St., 21, Boa Vista, Vila Velha, Espírito Santo, 29102-770, Brazil.
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Ladeira G, de Carvalho SYB, Rocha NAP, Soares IC, Cipriano DF, Freitas JCCD, Guimarães LGDL. Grafted chitosan nanogel with 3,4-methylenedioxycinnamic acid: synthesis, characterization and application in the encapsulation of monoterpenes with antifungal properties. INT J POLYM MATER PO 2023. [DOI: 10.1080/00914037.2022.2163643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Giordane Ladeira
- Natural Science Department, Federal University of São João del-Rei, São João del Rei, Minas Gerais, Brazil
| | | | | | - Isabela Carla Soares
- Natural Science Department, Federal University of São João del-Rei, São João del Rei, Minas Gerais, Brazil
| | - Daniel Fernandes Cipriano
- Department of Physics, Laboratory of Carbon and Ceramic Materials, Federal University of Espírito Santo, Vitória, ES, Brazil
| | - Jair Carlos Checon de Freitas
- Department of Physics, Laboratory of Carbon and Ceramic Materials, Federal University of Espírito Santo, Vitória, ES, Brazil
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Khattab F, Elkholy BM, Taha M, Abd-Elbaset A, Fawzy M. Voriconazole is superior to combined itraconazole/isotretinoin therapy and itraconazole monotherapy in recalcitrant dermatophytosis. Mycoses 2022; 65:1194-1201. [PMID: 35943822 DOI: 10.1111/myc.13517] [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: 04/05/2022] [Revised: 08/01/2022] [Accepted: 08/04/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND There has been an emergence of recalcitrant, recurrent, and difficult-to-treat tinea. Monotherapy with oral antifungals leads to partial clearance or high recurrence of lesions. Isotretinoin is a good adjuvant to systemic antifungals in chronic dermatophytosis. Voriconazole could be a future alternative due to its efficacy against dermatophytes and little resistance. OBJECTIVE To evaluate the efficacy and safety of oral itraconazole, combined itraconazole/isotretinoin therapy, and voriconazole for recalcitrant tinea. PATIENTS AND METHODS This study included 90 patients with chronic, recurrent, and/or recalcitrant tinea. They were equally divided into 3 groups: itraconazole monotherapy, combined itraconazole/isotretinoin therapy, and voriconazole monotherapy. All patients received treatments for 6 weeks. The clinical response was classified as either a complete or incomplete clinical cure. Potassium hydroxide microscopy and culture were performed to identify mycological cure. Patients with complete cure were followed up for another 6 months to detect any recurrence. RESULTS Complete clinical cure was observed in 53.3% of the itraconazole group, 70% of the itraconazole/isotretinoin group, and 83.3% of the voriconazole group. Mycological cure was detected in 56.7% of the itraconazole group, 83.3% of the itraconazole/isotretinoin group, and 86.7% of the voriconazole group. There was a statistically significant difference between the three groups in favor of voriconazole, then the combined group. No significant adverse effects were observed. The recurrence rate was significantly lower in the voriconazole group compared to the other two groups. CONCLUSIONS Voriconazole could be a future alternative for the treatment of recalcitrant dermatophytosis.
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Affiliation(s)
- Fathia Khattab
- Dermatology, Venereology and Andrology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Basma M Elkholy
- Dermatology, Venereology and Andrology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Mohamed Taha
- Medical Microbiology Department, Faculty of Veterinary medicine, Zagazig University, Zagazig, Egypt
| | - Aya Abd-Elbaset
- Dermatology, Venereology and Andrology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Manal Fawzy
- Dermatology, Venereology and Andrology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
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Gnat S, Łagowski D, Nowakiewicz A, Trościańczyk A, Dyląg M. New Reference Genes for qRT-PCR Analysis as a Potential Target for Identification of Trichophyton verrucosum in Different Culture Conditions. Pathogens 2021; 10:pathogens10111361. [PMID: 34832515 PMCID: PMC8618703 DOI: 10.3390/pathogens10111361] [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: 09/03/2021] [Revised: 10/09/2021] [Accepted: 10/18/2021] [Indexed: 11/17/2022] Open
Abstract
Dermatophytes are a group of filamentous fungi infecting skin, hair, and nails that raise great diagnostic difficulties. qRT-PCR is a reliable technique for quantifying gene expression with increasingly frequent use in mycological diagnostics. Knowledge of genes and molecular markers with potential to be used in the identification of dermatophytes is of great importance for the development of this branch of diagnostics. In this article, the suitability of six candidate reference genes (TUBB, ACTB, ADPRF, RPL2, SDHA, and EEF1A1) was investigated for gene expression analysis in the dermatophyte Trichophyton verrucosum, which was cultured in various mycological media that are commonly used in a diagnostic laboratory, i.e., Sabouraud, potato dextrose, and keratin-supplemented MM-Cove. The different culture conditions are extremely important factors for the growth and physiology of dermatophytes. Gene expression stability was evaluated using geNorm, NormFinder, BestKeeper, and RefFinder algorithms. Regarding the stability of expression, SDHA was the most stable housekeeping gene; hence, this gene is recommended for future qRT-PCR studies on T. verrucosum strains. These results allow us to conclude that the SDHA gene can be an additional good candidate as an identification target in the qRT-PCR technique.
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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; (A.N.); (A.T.)
- Correspondence: (S.G.); (D.Ł.); Tel.: +48-81-445-60-93 (S.G.); +48-81-445-66-96 (D.Ł.)
| | - Dominik Łagowski
- Department of Veterinary Microbiology, Faculty of Veterinary Medicine, University of Life Sciences, Akademicka 12, 20-033 Lublin, Poland; (A.N.); (A.T.)
- Correspondence: (S.G.); (D.Ł.); Tel.: +48-81-445-60-93 (S.G.); +48-81-445-66-96 (D.Ł.)
| | - Aneta Nowakiewicz
- Department of Veterinary Microbiology, Faculty of Veterinary Medicine, University of Life Sciences, Akademicka 12, 20-033 Lublin, Poland; (A.N.); (A.T.)
| | - Aleksandra Trościańczyk
- Department of Veterinary Microbiology, Faculty of Veterinary Medicine, University of Life Sciences, Akademicka 12, 20-033 Lublin, Poland; (A.N.); (A.T.)
| | - Mariusz Dyląg
- Department of Mycology and Genetics, Faculty of Biological Sciences, University of Wroclaw, 51-148 Wroclaw, Poland;
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Gnat S, Łagowski D, Nowakiewicz A, Dyląg M. A global view on fungal infections in humans and animals: infections caused by dimorphic fungi and dermatophytoses. J Appl Microbiol 2021; 131:2688-2704. [PMID: 33754409 DOI: 10.1111/jam.15084] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 03/18/2021] [Indexed: 12/28/2022]
Abstract
Fungal infections are still underappreciated and their prevalence is underestimated, which renders them a serious public health problem. Realistic discussions about their distribution, symptoms, and control can improve management and diagnosis and contribute to refinement of preventive actions using currently available tools. This article represents an overview of dermatophytes and endemic fungi that cause infections in humans and animals. In addition, the impact of climate change on the fungal spread is discussed. The endemic fungal infections characterized in this article include coccidioidomycosis, histoplasmosis, blastomycosis, lobomycosis, emergomycosis and sporotrichosis. Moreover the geographic distribution of these fungi, which are known to be climate sensitive and/or limited to endemic tropical and subtropical areas, is highlighted. In turn, dermatophytes cause superficial fungal infections of skin, hairs and nails, which are the most prevalent mycoses worldwide with a high economic burden. Therefore, the possibility of causing zoonoses and reverse zoonoses by dermatophytes is highly important. In conclusion, the article illustrates the current issues of the epidemiology and distribution of fungal diseases, emphasizing the lack of public programmes for prevention and control of these types of infection.
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Affiliation(s)
- S Gnat
- Faculty of Veterinary Medicine, Department of Veterinary Microbiology, Institute of Preclinical Veterinary Sciences, University of Life Sciences, Lublin, Poland
| | - D Łagowski
- Faculty of Veterinary Medicine, Department of Veterinary Microbiology, Institute of Preclinical Veterinary Sciences, University of Life Sciences, Lublin, Poland
| | - A Nowakiewicz
- Faculty of Veterinary Medicine, Department of Veterinary Microbiology, Institute of Preclinical Veterinary Sciences, University of Life Sciences, Lublin, Poland
| | - M Dyląg
- Faculty of Biological Sciences, Department of Mycology and Genetics, Institute of Genetics and Microbiology, University of Wroclaw, Wroclaw, Poland
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Araya S, Abuye M, Negesso AE. Epidemiological Characterization of Dermatomycosis in Ethiopia. Clin Cosmet Investig Dermatol 2021; 14:83-89. [PMID: 33519223 PMCID: PMC7837531 DOI: 10.2147/ccid.s292286] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Accepted: 12/30/2020] [Indexed: 12/24/2022]
Abstract
Background Superficial mycosis is common worldwide and their epidemiological characteristics are different in different geographical areas and have shown variations in the last decades. The aim of this study was to analyze and characterize the epidemiology of dermatomycosis and their causative fungi species in Ethiopia between 2015 and 2019. Methods A laboratory-based cross-sectional study was conducted using the data of mycological examination and culture findings from all patients who visited the Dermatology Department of Arsho Advanced Medical Laboratory, Addis Ababa, Ethiopia. The direct wet mount microscopy and culture data of the isolates were collected from the database of the dermatology unit from 2015 to 2019 after permission was obtained from the laboratory head. The data were double-entered into Microsoft Excel, exported and analyzed using SPSS version 20. Results The total prevalence of fungi causing dermatomycosis was 67.7% (760/1122 cases) using direct wet mount microscopy and from these 489/1122 (43.5%) were culture positive. Dermatomycosis was found to be higher among females 694/1122 (61.9%) than male participants. Age group 25–44 years was the most affected 442/1122 (39.4%) followed by 1–14 years old 291/1122 (25.94%). Tinea unguium (50.8%) is the most common type of dermatomycosis followed by tinea capitis (24.1%) and tinea corporis (13.9%). Trichophyton spp. (32%) was the most highly distributed causative agent, followed by Epidermophyton spp. (20.2%) and Aspergillus fumigatus (8.3%). Conclusion The retrospective analysis of epidemiological data collected at Arsho Advanced Medical Laboratory since 2015 showed a gradual increase in the frequency of tinea unguium and tinea pedis. However, during the past years, there was a gradual decline in the frequency of tinea corporis. In parallel with this variable pattern, the rate of isolation of non-dermatophytes especially Aspergillus fumigates and Candida species has shown a gradual increment during the past five years.
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Affiliation(s)
- Shambel Araya
- Addis Ababa University College of Health Sciences, Department of Medical Laboratory Sciences, Addis Ababa, Ethiopia
| | - Million Abuye
- Addis Ababa University College of Health Sciences, Department of Medical Laboratory Sciences, Addis Ababa, Ethiopia
| | - Abebe Edao Negesso
- Addis Ababa University College of Health Sciences, Department of Medical Laboratory Sciences, Addis Ababa, Ethiopia
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Malik A, Fatma T, Shamsi W, Khan HA, Gul A, Jamal A, Bhatti MF. Molecular Characterization of Medically Important Fungi: Current Research and Future Prospects. Fungal Biol 2021. [DOI: 10.1007/978-3-030-60659-6_15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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SOBRINHO ACN, FONTENELLE RODS, SOUZA EBD, MORAIS SMD. Antifungal and antioxidant effect of the lachnophyllum ester, isolated from the essential oil of Baccharis trinervis (Lam.) Pers., against dermatophytes fungi. REVISTA BRASILEIRA DE SAÚDE E PRODUÇÃO ANIMAL 2021. [DOI: 10.1590/s1519-99402122542021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
ABSTRACT Dermatophytes are hyaline fungi that parasitize the keratinized tissue of humans and animals causing mycotic infections. Natural products are promising molecules for the development of new antifungal drugs, due to the phenomenon of resistance and toxicity. This study reports the isolation and identification of lachnophyllum ester and evaluates its antioxidant, antifungal and modulatory activities against dermatophytes fungi. Lachnophyllum ester was obtained using a silica gel column chromatography of the essential oil from the aerial parts of Baccharis trinervis and analyzed by gas chromatography/mass spectrometry. Antimicrobial activity was determined by the broth microdilution method. The modulatory activity assays were performed by the checkerboard technique using lachnophyllum ester and ketoconazole as standard. The lachnophyllum ester exhibited good antioxidant activity as measured by a β-carotene/linoleic acid bleaching system, with 71.43% ± 0.01% inhibition rate. In addition, it showed antifungal activity against Trichophyton rubrum and Microsporum canis strains. In the modulatory assay, interaction between lachnophyllum ester and ketoconazole was synergistic, reducing the minimum inhibitory concentration (MIC) values of the antifungal drug and modulating its antifungal action against dermatophyte strains. In conclusion, lachnophyllum ester has been shown to act as a natural antioxidant compound, as well as an antimicrobial alternative against dermatophyte fungi of the genus Trichophyton and Microsporum.
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de Carvalho SYB, Almeida RR, Pinto NAR, de Mayrinck C, Vieira SS, Haddad JF, Leitão AA, Guimarães LGDL. Encapsulation of essential oils using cinnamic acid grafted chitosan nanogel: Preparation, characterization and antifungal activity. Int J Biol Macromol 2020; 166:902-912. [PMID: 33147435 DOI: 10.1016/j.ijbiomac.2020.10.247] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 10/22/2020] [Accepted: 10/30/2020] [Indexed: 12/15/2022]
Abstract
Chemical modifications in the chitosan structure may result in obtaining a new material with improved chemical properties, such as an ability to encapsulate lipophilic compounds. This study aimed to synthesize cinnamic acid grafted chitosan nanogel to encapsulate the essential oils of Syzygium aromaticum and Cinnamomum ssp., in order to develop a material to be applied in the control of dermatophytosis caused by the fungus Microsporum canis. The cinnamic acid graft in chitosan was verified by the Attenuated Total Reflectance Fourier Transform Infrared Spectroscopy (ATR-FTIR), Solid State Nuclear Magnetic Resonance of the 13C Nucleus (13C SSNMR) and Thermal analysis coupled to mass spectrometry (TG-MS) techniques. The nanogel obtained showed affinity for the essential oils of S. aromaticum and Cinnamomum, with encapsulation efficiencies equal to 74% and 89%, respectively. When in an aqueous medium the nanogel with the encapsulated essential oils was able to form stable nanoparticles with average sizes of 176.0 ± 54.3 nm and 263.0 ± 81.4 nm. The cinnamic acid grafted chitosan nanogel showed antifungal activity in vitro against M. canis, inhibiting up to 53.96% of its mycelial growth. Complete inhibition of mycelial growth was achieved by the nanogel with encapsulated essential oils. The results found in this work demonstrated the development of a material with potential application in the control of dermatophytosis caused by the fungus M. canis.
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Affiliation(s)
| | | | | | | | | | - Juliana Fischer Haddad
- Chemistry Department, Institute of Exact Sciences, Federal University of Juiz de Fora, Brazil
| | - Alexandre Amaral Leitão
- Chemistry Department, Institute of Exact Sciences, Federal University of Juiz de Fora, Brazil
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Caceres DH, Mohd Tap R, Alastruey-Izquierdo A, Hagen F. Detection and Control of Fungal Outbreaks. Mycopathologia 2020; 185:741-745. [PMID: 33037965 PMCID: PMC7588372 DOI: 10.1007/s11046-020-00494-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 09/20/2020] [Indexed: 11/30/2022]
Affiliation(s)
- Diego H Caceres
- Mycotic Diseases Branch, Centers for Disease Control and Prevention (CDC), 1600 Clifton Rd. NE, Atlanta, GA, 30329, USA.
- Center of Expertise in Mycology Radboudumc/CWZ, Nijmegen, The Netherlands.
| | - Ratna Mohd Tap
- Mycology Laboratory, Institute for Medical Research, National Institute of Health, Setia Alam, 40170, Shah Alam, Selangor, Malaysia
| | - Ana Alastruey-Izquierdo
- Medical Mycology Reference Laboratory, National Center for Microbiology, Instituto de Salud Carlos III, Madrid, Spain
| | - Ferry Hagen
- Department of Medical Mycology, Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, 3584CT, Utrecht, The Netherlands.
- Department of Medical Microbiology, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands.
- Laboratory of Medical Mycology, Jining No. 1 People's Hospital, Jining, Shandong, People's Republic of China.
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Gnat S, Łagowski D, Nowakiewicz A, Osińska M, Kopiński Ł. Population differentiation, antifungal susceptibility, and host range of Trichophyton mentagrophytes isolates causing recalcitrant infections in humans and animals. Eur J Clin Microbiol Infect Dis 2020; 39:2099-2113. [PMID: 32607909 PMCID: PMC7561545 DOI: 10.1007/s10096-020-03952-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 06/10/2020] [Indexed: 02/05/2023]
Abstract
The major problems in determining the causative factors of the high prevalence of dermatophytoses include the lack of a well-standardized antifungal susceptibility testing method, the low consistency of in vitro and clinical minimal inhibitory concentration values, the high genomic diversity of the population, and the unclear mechanism of pathogenicity. These factors are of particular importance when the disease is recalcitrant and relapses. Herein, we identified and characterized Trichophyton mentagrophytes isolates obtained from therapy-resistant cases in humans and animals. We used genomic diversity analysis of 17 human and 27 animal clinical isolates with the MP-PCR technique, determined their phenotypic enzymatic activity and host range, and performed antifungal susceptibility testing to currently available antifungal drugs from various chemical groups. Genomic diversity values of 35.3% and 33.3% were obtained for clinical isolates from humans and animals, respectively, yet without any relationship to the host species or antifungal drug to which resistance in therapy was revealed. The highest activity of keratinase enzymes was recorded for fox, guinea pig, and human hairs. These hosts can be considered as the main species in the host range of these isolates. A phenyl morpholine derivative, i.e. amorolfine, exhibited superior activity against strains obtained from both humans and animals with the lowest MIC50. Interestingly, high compliance of terbinafine in vitro resistance with clinical problems in the treatment with this substance was shown as well. The high resistance of dermatophytes to drugs is the main cause of the recalcitrance of the infection, whereas the other features of the fungus are less important.
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Affiliation(s)
- Sebastian Gnat
- Faculty of Veterinary Medicine, Institute of Biological Bases of Animal Diseases, Department of Veterinary Microbiology, University of Life Sciences, Akademicka 12, 20-033, Lublin, Poland.
| | - Dominik Łagowski
- Faculty of Veterinary Medicine, Institute of Biological Bases of Animal Diseases, Department of Veterinary Microbiology, University of Life Sciences, Akademicka 12, 20-033, Lublin, Poland.
| | - Aneta Nowakiewicz
- Faculty of Veterinary Medicine, Institute of Biological Bases of Animal Diseases, Department of Veterinary Microbiology, University of Life Sciences, Akademicka 12, 20-033, Lublin, Poland
| | - Marcelina Osińska
- Faculty of Veterinary Medicine, Institute of Biological Bases of Animal Diseases, Department of Veterinary Microbiology, University of Life Sciences, Akademicka 12, 20-033, Lublin, Poland
| | - Łukasz Kopiński
- Faculty of Agrobioengineering, Department of Management and Marketing, University of Life Sciences, Dobrzanskiego 37, 20-626, Lublin, Poland
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Costa-Orlandi CB, Serafim-Pinto A, da Silva PB, Bila NM, Bonatti JLDC, Scorzoni L, Singulani JDL, Dos Santos CT, Nazaré AC, Chorilli M, Regasini LO, Fusco-Almeida AM, Mendes-Giannini MJS. Incorporation of Nonyl 3,4-Dihydroxybenzoate Into Nanostructured Lipid Systems: Effective Alternative for Maintaining Anti-Dermatophytic and Antibiofilm Activities and Reducing Toxicity at High Concentrations. Front Microbiol 2020; 11:1154. [PMID: 32582096 PMCID: PMC7290161 DOI: 10.3389/fmicb.2020.01154] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 05/06/2020] [Indexed: 12/18/2022] Open
Abstract
Dermatophytosis is the most common mycosis worldwide, affecting approximately 20 to 25% of the population, regardless of gender, race, color, and age. Most antifungal agents used for the treatment of dermatophytosis belong to the azole and allylamine classes. Dermatophytes are reported to be resistant to most commercial drugs, especially microbial biofilms, in addition to their considerable toxicity. It should be emphasized the importance of looking for new molecules with reduced toxicity, as well as new targets and mechanisms of action. This work aims to incorporate nonyl 3,4-dihydroxybenzoate, a potent fungicide compound against planktonic cells and dermatophyte biofilms in nanostructured lipid systems (NLS), in order to reduce toxicity in high concentrations, improve its solubility and maintain its effectiveness. The compound was incorporated into NLS constituted by cholesterol, mixture of polyoxyethylene (23) lauryl ether (Brij®98) and soybean phosphatidylcholine (Epikuron® 200)], 2: 1 ratio and PBS (phosphate-buffered saline). The characterization of the incorporation was performed. Susceptibility tests were conducted according to document M38-A2 by CLSI (2008). The toxicity of the NLS compound was evaluated in HaCaT cell lines by the sulforhodamine B method and in alternative models Caenorhabditis elegans and zebrafish. Finally, its efficacy was evaluated against the mature Trichophyton rubrum and Trichophyton mentagrophytes biofilms. NLS and nonyl 3,4-dihydroxybenzoate loaded into NLS displayed sizes ranging from 137.8 ± 1.815 to 167.9 ± 4.070 nm; the polydispersity index (PDI) varying from 0.331 ± 0.020 to 0.377 ± 0.004 and zeta potential ranging from −1.46 ± 0.157 to −4.63 ± 0.398 mV, respectively. Polarized light microscopy results confirmed the formation of NLS of the microemulsion type. Nonyl incorporated into NLS showed minimum inhibitory concentration (MIC) values, ranging from 2 to 15.6 mg/L. The toxicity tests presented cell viability higher than 80% in all tested concentrations, as well as, a significantly increased of the survival of Caenorhabditis elegans and zebrafish models. Anti-biofilm tests proved the efficacy of the incorporation. These findings contribute significantly to the search for new antifungals and allow the systemic administration of the compound, since the incorporation can increase the solubility of non-polar compounds, improve bioavailability, effectiveness and reduce toxicity.
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Affiliation(s)
- Caroline Barcelos Costa-Orlandi
- School of Pharmaceutical Sciences, Department of Clinical Analysis, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
| | - Aline Serafim-Pinto
- School of Pharmaceutical Sciences, Department of Clinical Analysis, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
| | - Patrícia Bento da Silva
- School of Pharmaceutical Sciences, Department of Drugs and Medicines, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
| | - Níura Madalena Bila
- School of Pharmaceutical Sciences, Department of Clinical Analysis, Universidade Estadual Paulista (UNESP), Araraquara, Brazil.,Universidade Eduardo Mondlane, School of Veterinary, Maputo, Mozambique
| | - Jean Lucas de Carvalho Bonatti
- School of Pharmaceutical Sciences, Department of Clinical Analysis, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
| | - Liliana Scorzoni
- School of Pharmaceutical Sciences, Department of Clinical Analysis, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
| | - Junya de Lacorte Singulani
- School of Pharmaceutical Sciences, Department of Clinical Analysis, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
| | - Claudia Tavares Dos Santos
- School of Pharmaceutical Sciences, Department of Clinical Analysis, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
| | - Ana Carolina Nazaré
- Institute of Biosciences, Humanities and Exact Sciences, Department of Chemistry and Environmental Sciences, Universidade Estadual Paulista (UNESP), São José do Rio Preto, Brazil
| | - Marlus Chorilli
- School of Pharmaceutical Sciences, Department of Drugs and Medicines, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
| | - Luis Octávio Regasini
- Institute of Biosciences, Humanities and Exact Sciences, Department of Chemistry and Environmental Sciences, Universidade Estadual Paulista (UNESP), São José do Rio Preto, Brazil
| | - Ana Marisa Fusco-Almeida
- School of Pharmaceutical Sciences, Department of Clinical Analysis, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
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Petrucelli MF, Matsuda JB, Peroni K, Sanches PR, Silva WA, Beleboni RO, Martinez-Rossi NM, Marins M, Fachin AL. The Transcriptional Profile of Trichophyton rubrum Co-Cultured with Human Keratinocytes Shows New Insights about Gene Modulation by Terbinafine. Pathogens 2019; 8:pathogens8040274. [PMID: 31795354 PMCID: PMC6963840 DOI: 10.3390/pathogens8040274] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 11/20/2019] [Accepted: 11/22/2019] [Indexed: 11/16/2022] Open
Abstract
The dermatophyte Trichophyton rubrum is the main causative agent of dermatophytoses worldwide. Although a superficial mycosis, its incidence has been increasing especially among diabetic and immunocompromised patients. Terbinafine is commonly used for the treatment of infections caused by dermatophytes. However, cases of resistance of T. rubrum to this allylamine were reported even with the efficacy of this drug. The present study is the first to evaluate the effect of terbinafine using a co-culture model of T. rubrum and human keratinocytes, mimicking a fungus-host interaction, in conjunction with RNA-seq technique. Our data showed the repression of several genes involved in the ergosterol biosynthesis cascade and the induction of genes encoding major facilitator superfamily (MFS)- and ATP-binding cassette superfamily (ABC)-type membrane transporter which may be involved in T. rubrum mechanisms of resistance to this drug. We observed that some genes reported in the scientific literature as candidates of new antifungal targets were also modulated. In addition, we found the modulation of several genes that are hypothetical in T. rubrum but that possess known orthologs in other dermatophytes. Taken together, the results indicate that terbinafine can act on various targets related to the physiology of T. rubrum other than its main target of ergosterol biosynthetic pathway.
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Affiliation(s)
- Monise Fazolin Petrucelli
- Biotechnology Unit, University of Ribeirão Preto-UNAERP, Av. Costábile Romano 2201, Ribeirão Preto 14960-900, SP, Brazil; (M.F.P.); (J.B.M.); (R.O.B.); (M.M.)
| | - Josie Budag Matsuda
- Biotechnology Unit, University of Ribeirão Preto-UNAERP, Av. Costábile Romano 2201, Ribeirão Preto 14960-900, SP, Brazil; (M.F.P.); (J.B.M.); (R.O.B.); (M.M.)
| | - Kamila Peroni
- National Institute of Science and Technology in Stem Cell and Cell Therapy, Center for Cell-Based Therapy, Ribeirão Preto 14051-140, SP, Brazil; (K.P.)
| | - Pablo Rodrigo Sanches
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, SP, Brazil; (P.R.S.); (N.M.M.-R.)
| | - Wilson Araújo Silva
- National Institute of Science and Technology in Stem Cell and Cell Therapy, Center for Cell-Based Therapy, Ribeirão Preto 14051-140, SP, Brazil; (K.P.)
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, SP, Brazil; (P.R.S.); (N.M.M.-R.)
- Center for Integrative System Biology-CISBi-NAP/USP, University of São Paulo, Ribeirão Preto 14049-900, SP, Brazil
- Center for Medical Genomics, University Hospital of the Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14015-010, SP, Brazil
| | - Rene Oliveira Beleboni
- Biotechnology Unit, University of Ribeirão Preto-UNAERP, Av. Costábile Romano 2201, Ribeirão Preto 14960-900, SP, Brazil; (M.F.P.); (J.B.M.); (R.O.B.); (M.M.)
| | - Nilce Maria Martinez-Rossi
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, SP, Brazil; (P.R.S.); (N.M.M.-R.)
| | - Mozart Marins
- Biotechnology Unit, University of Ribeirão Preto-UNAERP, Av. Costábile Romano 2201, Ribeirão Preto 14960-900, SP, Brazil; (M.F.P.); (J.B.M.); (R.O.B.); (M.M.)
| | - Ana Lúcia Fachin
- Biotechnology Unit, University of Ribeirão Preto-UNAERP, Av. Costábile Romano 2201, Ribeirão Preto 14960-900, SP, Brazil; (M.F.P.); (J.B.M.); (R.O.B.); (M.M.)
- Correspondence: or ; Fax: +55-16-36037030
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14
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Garcia Garces H, Hamae Yamauchi D, Theodoro RC, Bagagli E. PRP8 Intein in Onygenales: Distribution and Phylogenetic Aspects. Mycopathologia 2019; 185:37-49. [PMID: 31286362 DOI: 10.1007/s11046-019-00355-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Accepted: 06/27/2019] [Indexed: 11/30/2022]
Abstract
Inteins (internal proteins) are mobile genetic elements, inserted in housekeeping proteins, with self-splicing properties. Some of these elements have been recently pointed out as modulators of genetic expression or protein function. Herein, we evaluated, in silico, the distribution and phylogenetic patterns of PRP8 intein among 93 fungal strains of the order Onygenales. PRP8 intein(s) are present in most of the species (45/49), mainly as full-length inteins (containing both the Splicing and the Homing Endonuclease domains), and must have transferred vertically in all lineages, since their phylogeny reflects the group phylogeny. While the distribution of PRP8 intein(s) varies among species of Onygenaceae family, being absent in Coccidioides spp. and present as full and mini-intein in other species, they are consistently observed as full-length inteins in all evaluated pathogenic species of the Arthrodermataceae and Ajellomycetaceae families. This conservative and massive PRP8 intein presence in Ajellomycetacean and Arthrodermatecean species reinforces the previous idea that such genetic elements do not decrease the fungal fitness significantly and even might play some role in the host-pathogen relationship, at least in these two fungal groups. We may better position the species Ophidiomyces ophiodiicola (with no intein) in the Onygenaceae family and Onygena corvina (with a full-length intein) as a basal member in the Arthrodermataceae family.
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Affiliation(s)
- Hans Garcia Garces
- Microbiology and Immunology Department, Biosciences Institute of Botucatu, State University of Sao Paulo (UNESP), Botucatu, São Paulo, Brazil
| | - Danielle Hamae Yamauchi
- Microbiology and Immunology Department, Biosciences Institute of Botucatu, State University of Sao Paulo (UNESP), Botucatu, São Paulo, Brazil
| | - Raquel Cordeiro Theodoro
- Tropical Medicine Institute of Rio Grande do Norte, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Eduardo Bagagli
- Microbiology and Immunology Department, Biosciences Institute of Botucatu, State University of Sao Paulo (UNESP), Botucatu, São Paulo, Brazil.
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15
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Paiva Filho JC, Morais SMD, Nogueira Sobrinho AC, Cavalcante GS, Silva NAD, Abreu FOMDS. Design of chitosan-alginate core-shell nanoparticules loaded with anacardic acid and cardol for drug delivery. POLIMEROS 2019. [DOI: 10.1590/0104-1428.08118] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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16
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Garcia Garces H, Cordeiro RT, Bagagli E. PRP8 intein in dermatophytes: Evolution and species identification. Med Mycol 2018; 56:746-758. [PMID: 29228309 DOI: 10.1093/mmy/myx102] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Accepted: 09/27/2017] [Indexed: 11/14/2022] Open
Abstract
Dermatophytes are keratinophilic fungi belonging to the family Arthrodermataceae. Despite having a monophyletic origin, its systematics has always been complex and controversial. Sequencing of nuclear ribosomal ITS and D1/D2 rDNA has been proposed as an efficient tool for identifying species in this group of fungi, while multilocus analyses have been used for phylogenetic species recognition. However, the search for new markers, with sequence and size variation, which enable species identification in only one polymerase chain reaction (PCR) step, is very attractive. Inteins seems to fulfill these characteristics. They are self-splicing genetic elements present within housekeeping coding genes, such as PRP8, that codify the most important protein of the spliceosome. The PRP8 intein has been described for Microsporum canis in databases but has not been studied in dermatophytes in any other published work. Thus, our aim was to determine the potential of this intervening element for establishing phylogenetic relationships among dermatophytes and for identifying species. It was found that all studied species have a full-length PRP8 intein with a Homing Endonuclease belonging to the family LAGLIDADG. Phylogenetic analyses were consistent with other previous phylogenies, confirming Epidermophyton floccosum in the same clade of the Arthroderma gypseum complex, Microsporum audouinii close to M. canis, differentiating A. gypseum from Arthroderma incurvatum, and in addition, better defining the Trichophyton interdigitale and Trichophyton rubrum species grouping. Length polymorphism in the HE region enables identification of the most relevant Microsporum species by a simple PCR-electrophoresis assay. Intein PRP8 within dermatophytes is a powerful additional tool for identifying and systematizing dermatophytes.
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Affiliation(s)
- Hans Garcia Garces
- Departamento de Microbiologia e Imunologia, Instituto de Biociências, Universidade Estadual de São Paulo. São Paulo. Brasil
| | - Raquel Theodoro Cordeiro
- Instituto de Medicina Tropical do RN, Universidade Federal de Rio Grande do Norte. Rio Grande do Norte. Brasil
| | - E Bagagli
- Departamento de Microbiologia e Imunologia, Instituto de Biociências, Universidade Estadual de São Paulo. São Paulo. Brasil
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17
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Petrucelli MF, Peronni K, Sanches PR, Komoto TT, Matsuda JB, Silva Junior WAD, Beleboni RO, Martinez-Rossi NM, Marins M, Fachin AL. Dual RNA-Seq Analysis of Trichophyton rubrum and HaCat Keratinocyte Co-Culture Highlights Important Genes for Fungal-Host Interaction. Genes (Basel) 2018; 9:genes9070362. [PMID: 30029541 PMCID: PMC6070946 DOI: 10.3390/genes9070362] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 07/11/2018] [Accepted: 07/16/2018] [Indexed: 12/19/2022] Open
Abstract
The dermatophyte Trichophyton rubrum is the major fungal pathogen of skin, hair, and nails that uses keratinized substrates as the primary nutrients during infection. Few strategies are available that permit a better understanding of the molecular mechanisms involved in the interaction of T. rubrum with the host because of the limitations of models mimicking this interaction. Dual RNA-seq is a powerful tool to unravel this complex interaction since it enables simultaneous evaluation of the transcriptome of two organisms. Using this technology in an in vitro model of co-culture, this study evaluated the transcriptional profile of genes involved in fungus-host interactions in 24 h. Our data demonstrated the induction of glyoxylate cycle genes, ERG6 and TERG_00916, which encodes a carboxylic acid transporter that may improve the assimilation of nutrients and fungal survival in the host. Furthermore, genes encoding keratinolytic proteases were also induced. In human keratinocytes (HaCat) cells, the SLC11A1, RNASE7, and CSF2 genes were induced and the products of these genes are known to have antimicrobial activity. In addition, the FLG and KRT1 genes involved in the epithelial barrier integrity were inhibited. This analysis showed the modulation of important genes involved in T. rubrum–host interaction, which could represent potential antifungal targets for the treatment of dermatophytoses.
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Affiliation(s)
| | - Kamila Peronni
- Laboratory of Molecular Genetics and Bioinformatics, Regional Hemotherapy Center of Ribeirão Preto, Ribeirão Preto 2501, Brazil.
| | - Pablo Rodrigo Sanches
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, Brazil.
| | | | - Josie Budag Matsuda
- Biotechnology Unit, University of Ribeirão Preto-UNAERP, São Paulo 2201, Brazil.
| | - Wilson Araújo da Silva Junior
- Laboratory of Molecular Genetics and Bioinformatics, Regional Hemotherapy Center of Ribeirão Preto, Ribeirão Preto 2501, Brazil.
| | | | - Nilce Maria Martinez-Rossi
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, Brazil.
| | - Mozart Marins
- Biotechnology Unit, University of Ribeirão Preto-UNAERP, São Paulo 2201, Brazil.
| | - Ana Lúcia Fachin
- Biotechnology Unit, University of Ribeirão Preto-UNAERP, São Paulo 2201, Brazil.
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Alves FAR, Morais SMD, Sobrinho ACN, Silva INGD, Martins CG, Silva AADS, Fontenelle RODS. Chemical composition, antioxidant and antifungal activities of essential oils and extracts from Plectranthus spp. against dermatophytes fungi. REVISTA BRASILEIRA DE SAÚDE E PRODUÇÃO ANIMAL 2018. [DOI: 10.1590/s1519-99402018000100010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
SUMMARY Resistance to use antifungal drugs is a great concern seeking for scientists to discover new products to treat fungal infections. The aim of this study was to evaluate the antioxidant and antifungal activities of essential oils and extracts of Plectranthus grandis and Plectranthus ornatus against Trichophyton rubrum and Microsporum canis dermatophytes strains. Extracts were obtained from leaves by maceration in ethanol (96%) during 7 days. The oils were obtained by hydrodistillation and analyzed by gas chromatography/mass spectrometry. A total of 25 components were identified, as major constituents the sesquiterpenes β-caryophyllene, α-copaene, germacrene, β-caryophyllene and caryophyllene oxide. Antioxidant activities were evaluated using DPPH scavenging assay and antifungal action was determined by the broth microdilution method. The decocts obtained from the extraction of essential oil presented a greater antioxidant action when compared with the essential oils, with IC50 values of 12.35 μg/mL and 15.69 μg/mL to P. ornatus and P. grandis, respectively. Natural products presented significant antifungal activity, with MIC values ranging from 0.078 mg/mL to 0.31 mg/mL for all strains. The synergistic activity between Plectranthus spp. extracts and ketoconazole demonstrated a fungal growth inhibitory action when combined with a standard antifungal drug, indicating its potential for use in preventive veterinary medicine to treat dermatophytoses.
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Affiliation(s)
| | - Selene Maia de Morais
- Universidade Estadual do Ceará, Brasil; Universidade Estadual do Ceará, Brasil; Universidade Estadual do Ceará, Brasil
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Brito-Santos F, Figueiredo-Carvalho MHG, Coelho RA, Sales A, Almeida-Paes R. Tinea Capitis by Microsporum audouinii: Case Reports and Review of Published Global Literature 2000-2016. Mycopathologia 2017; 182:1053-1060. [PMID: 28736794 DOI: 10.1007/s11046-017-0181-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Accepted: 07/16/2017] [Indexed: 11/28/2022]
Abstract
Tinea capitis caused by Microsporum audouinii is reported herein from two Brazilian schoolchildren, which are brothers. Arthroconidia were evidenced on direct examination of scalp hair, and a fungus of the genus Microsporum was isolated from cultures of each patient. The isolated fungi were classified as M. audouinii by visualization of species-specific structures, including: pectinate hyphae, chlamydospores, and fusiform macroconidia, sterile growth with characteristic brown pigment in rice grains, and through DNA sequencing of the internal transcriber spacer region. Patients were refractory to ketoconazole, but the two cases had a satisfactory response to oral terbinafine. All M. audouinii infections described in this century were reviewed, and to our knowledge, this is the first literature description of this species from South America. Misidentification of M. audouinii with Microsporum canis can occur in this area, leading to erroneous data about the occurrence of this species.
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Affiliation(s)
- Fábio Brito-Santos
- Mycology Laboratory, Evandro Chagas National Institute of Infectious Diseases, Fiocruz, Av. Brazil 4365 - Manguinhos, 21045-900, Rio de Janeiro, RJ, Brazil
| | | | - Rowena Alves Coelho
- Mycology Laboratory, Evandro Chagas National Institute of Infectious Diseases, Fiocruz, Av. Brazil 4365 - Manguinhos, 21045-900, Rio de Janeiro, RJ, Brazil
| | - Anna Sales
- Souza Araujo Outpatient Clinics, Oswaldo Cruz Foundation, Rio de Janeiro, RJ, Brazil
| | - Rodrigo Almeida-Paes
- Mycology Laboratory, Evandro Chagas National Institute of Infectious Diseases, Fiocruz, Av. Brazil 4365 - Manguinhos, 21045-900, Rio de Janeiro, RJ, Brazil.
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