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Santos AS, Costa VAF, Freitas VAQ, Dos Anjos LRB, de Almeida Santos ES, Arantes TD, Costa CR, de Sene Amâncio Zara AL, do Rosário Rodrigues Silva M, Neves BJ. Drug to genome to drug: a computational large-scale chemogenomics screening for novel drug candidates against sporotrichosis. Braz J Microbiol 2024:10.1007/s42770-024-01406-x. [PMID: 38888692 DOI: 10.1007/s42770-024-01406-x] [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: 03/01/2024] [Accepted: 05/28/2024] [Indexed: 06/20/2024] Open
Abstract
Sporotrichosis is recognized as the predominant subcutaneous mycosis in South America, attributed to pathogenic species within the Sporothrix genus. Notably, in Brazil, Sporothrix brasiliensis emerges as the principal species, exhibiting significant sapronotic, zoonotic and enzootic epidemic potential. Consequently, the discovery of novel therapeutic agents for the treatment of sporotrichosis is imperative. The present study is dedicated to the repositioning of pharmaceuticals for sporotrichosis therapy. To achieve this goal, we designed a pipeline with the following steps: (a) compilation and preparation of Sporothrix genome data; (b) identification of orthologous proteins among the species; (c) identification of homologous proteins in publicly available drug-target databases; (d) selection of Sporothrix essential targets using validated genes from Saccharomyces cerevisiae; (e) molecular modeling studies; and (f) experimental validation of selected candidates. Based on this approach, we were able to prioritize eight drugs for in vitro experimental validation. Among the evaluated compounds, everolimus and bifonazole demonstrated minimum inhibitory concentration (MIC) values of 0.5 µg/mL and 4.0 µg/mL, respectively. Subsequently, molecular docking studies suggest that bifonazole and everolimus may target specific proteins within S. brasiliensis- namely, sterol 14-α-demethylase and serine/threonine-protein kinase TOR, respectively. These findings shed light on the potential binding affinities and binding modes of bifonazole and everolimus with their probable targets, providing a preliminary understanding of the antifungal mechanism of action of these compounds. In conclusion, our research advances the understanding of the therapeutic potential of bifonazole and everolimus, supporting their further investigation as antifungal agents for sporotrichosis in prospective hit-to-lead and preclinical investigations.
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Affiliation(s)
- Andressa Santana Santos
- Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil
- Laboratory of Cheminformatics, Faculty of Pharmacy, Federal University of Goiás, Goiás, Goiânia, Brazil
| | | | | | - Laura Raniere Borges Dos Anjos
- Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil
- Laboratory of Cheminformatics, Faculty of Pharmacy, Federal University of Goiás, Goiás, Goiânia, Brazil
| | | | - Thales Domingos Arantes
- Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Carolina Rodrigues Costa
- Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Ana Laura de Sene Amâncio Zara
- Postgraduate Program in Health Technology Assistance and Assessment (PPG-AAS), Faculty of Pharmacy, Federal University of Goiás, Goiás, Goiânia, Brazil
| | | | - Bruno Junior Neves
- Laboratory of Cheminformatics, Faculty of Pharmacy, Federal University of Goiás, Goiás, Goiânia, Brazil.
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de Miranda LHM, Santiago MDA, Frankenfeld J, dos Reis EG, Menezes RC, Pereira SA, Gremião IDF, Hofmann-Lehmann R, Conceição-Silva F. Neutrophil Oxidative Burst Profile Is Related to a Satisfactory Response to Itraconazole and Clinical Cure in Feline Sporotrichosis. J Fungi (Basel) 2024; 10:422. [PMID: 38921408 PMCID: PMC11205038 DOI: 10.3390/jof10060422] [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: 05/04/2024] [Revised: 06/05/2024] [Accepted: 06/10/2024] [Indexed: 06/27/2024] Open
Abstract
Despite the central role of cats in the transmission and amplification of Sporothrix, studies regarding immune response in feline sporotrichosis are scarce. In cats with sporotrichosis, neutrophil-rich lesions are usually associated to good general condition and lower fungal burden. However, the role of neutrophils in anti-Sporothrix immunity has been little explored in cats. Thus, the aim of this study was to evaluate the neutrophil oxidative burst in the blood of cats with sporotrichosis. Cats with sporotrichosis included in the study were treated with itraconazole (ITZ) alone or combined with potassium iodide (KI). The neutrophil oxidative burst was evaluated through a flow-cytometry-based assay using dihydrorhodamine 123 (background) and stimulation with Zymosan and heat-killed Sporothrix yeasts. The cure rate was 50.0% in cats under treatment with ITZ monotherapy and 90.9% in cats treated with ITZ + KI (p = 0.014), endorsing the combination therapy as an excellent alternative for the treatment of feline sporotrichosis. Higher percentages of Sporothrix-stimulated neutrophils were associated with good general condition (p = 0.003). Higher percentages of Sporothrix- (p = 0.05) and Zymosan-activated (p = 0.014) neutrophils before and early in the treatment were related to clinical cure in ITZ-treated cats. The correlation between oxidative burst and successful use of KI could not be properly assessed given the low number of failures (n = 2) in this treatment group. Nasal mucosa involvement, typically linked to treatment failure, was related to lower percentages of activated neutrophils in the background at the treatment outcome (p = 0.02). Our results suggest a beneficial role of neutrophils in feline sporotrichosis and a positive correlation between neutrophil activation and the cure process in ITZ-treated cats.
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Affiliation(s)
- Luisa Helena Monteiro de Miranda
- Sydney School of Veterinary Science, Faculty of Science, The University of Sydney, Sydney, NSW 2006, Australia
- Laboratory of Immunoparasitology, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro 21041-250, Brazil; (M.d.A.S.); (F.C.-S.)
- Laboratory of Clinical Research on Dermatozoonoses in Domestic Animals, Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation, Rio de Janeiro 21041-250, Brazil; (E.G.d.R.); (R.C.M.); (S.A.P.); (I.D.F.G.)
| | - Marta de Almeida Santiago
- Laboratory of Immunoparasitology, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro 21041-250, Brazil; (M.d.A.S.); (F.C.-S.)
| | - Julia Frankenfeld
- Clinical Laboratory and Center for Clinical Studies, Vetsuisse Facility, University of Zurich, 8057 Zurich, Switzerland; (J.F.); (R.H.-L.)
| | - Erica Guerino dos Reis
- Laboratory of Clinical Research on Dermatozoonoses in Domestic Animals, Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation, Rio de Janeiro 21041-250, Brazil; (E.G.d.R.); (R.C.M.); (S.A.P.); (I.D.F.G.)
| | - Rodrigo Caldas Menezes
- Laboratory of Clinical Research on Dermatozoonoses in Domestic Animals, Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation, Rio de Janeiro 21041-250, Brazil; (E.G.d.R.); (R.C.M.); (S.A.P.); (I.D.F.G.)
| | - Sandro Antonio Pereira
- Laboratory of Clinical Research on Dermatozoonoses in Domestic Animals, Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation, Rio de Janeiro 21041-250, Brazil; (E.G.d.R.); (R.C.M.); (S.A.P.); (I.D.F.G.)
| | - Isabella Dib Ferreira Gremião
- Laboratory of Clinical Research on Dermatozoonoses in Domestic Animals, Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation, Rio de Janeiro 21041-250, Brazil; (E.G.d.R.); (R.C.M.); (S.A.P.); (I.D.F.G.)
| | - Regina Hofmann-Lehmann
- Clinical Laboratory and Center for Clinical Studies, Vetsuisse Facility, University of Zurich, 8057 Zurich, Switzerland; (J.F.); (R.H.-L.)
| | - Fátima Conceição-Silva
- Laboratory of Immunoparasitology, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro 21041-250, Brazil; (M.d.A.S.); (F.C.-S.)
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3
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Dib Ferreira Gremião I, Pereira-Oliveira GR, Pereira SA, Corrêa ML, Borba-Santos LP, Viçosa AL, Garg A, Haranahalli K, Dasilva D, Pereira de Sa N, Matos GS, Silva V, Lazzarini C, Fernandes CM, Miranda K, Artunduaga Bonilla JJ, Nunes AL, Nimrichter L, Ojima I, Mallamo J, McCarthy JB, Del Poeta M. Combination therapy of itraconazole and an acylhydrazone derivative (D13) for the treatment of sporotrichosis in cats. Microbiol Spectr 2024; 12:e0396723. [PMID: 38647345 DOI: 10.1128/spectrum.03967-23] [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: 11/17/2023] [Accepted: 03/27/2024] [Indexed: 04/25/2024] Open
Abstract
Acylhydrazone (AH) derivatives represent a novel category of anti-fungal medications that exhibit potent activity against Sporothrix sp., both in vitro and in a murine model of sporotrichosis. In this study, we demonstrated the anti-fungal efficacy of the AH derivative D13 [4-bromo-N'-(3,5-dibromo-2-hydroxybenzylidene)-benzohydrazide] against both planktonic cells and biofilms formed by Sporothrix brasiliensis. In a clinical study, the effect of D13 was then tested in combination with itraconazole (ITC), with or without potassium iodide, in 10 cats with sporotrichosis refractory to the treatment of standard of care with ITC. Improvement or total clinical cure was achieved in five cases after 12 weeks of treatment. Minimal abnormal laboratory findings, e.g., elevation of alanine aminotransferase, were observed in four cats during the combination treatment and returned to normal level within a week after the treatment was ended. Although highly encouraging, a larger and randomized controlled study is required to evaluate the effectiveness and the safety of this new and exciting drug combination using ITC and D13 for the treatment of feline sporotrichosis. IMPORTANCE This paper reports the first veterinary clinical study of an acylhydrazone anti-fungal (D13) combined with itraconazole against a dimorphic fungal infection, sporotrichosis, which is highly endemic in South America in animals and humans. Overall, the results show that the combination treatment was efficacious in ~50% of the infected animals. In addition, D13 was well tolerated during the course of the study. Thus, these results warrant the continuation of the research and development of this new class of anti-fungals.
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Affiliation(s)
- Isabella Dib Ferreira Gremião
- Laboratory of Clinical Research on Dermatozoonoses in Domestic Animals, Evandro Chagas National Institute of Infectious Diseases, Rio de Janeiro, Brazil
| | - Gabriela Reis Pereira-Oliveira
- Laboratory of Clinical Research on Dermatozoonoses in Domestic Animals, Evandro Chagas National Institute of Infectious Diseases, Rio de Janeiro, Brazil
| | - Sandro Antonio Pereira
- Laboratory of Clinical Research on Dermatozoonoses in Domestic Animals, Evandro Chagas National Institute of Infectious Diseases, Rio de Janeiro, Brazil
| | - Maria Lopes Corrêa
- Laboratory of Clinical Research on Dermatozoonoses in Domestic Animals, Evandro Chagas National Institute of Infectious Diseases, Rio de Janeiro, Brazil
| | | | - Alessandra Lifsitch Viçosa
- Laboratory of Experimental Pharmacotechnics, Institute of Drug Technology - Farmanguinhos, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, Brazil
| | - Ashna Garg
- Institute of Chemical Biology and Drug Discovery, Stony Brook University, Stony Brook, New York, USA
| | - Krupanandan Haranahalli
- Institute of Chemical Biology and Drug Discovery, Stony Brook University, Stony Brook, New York, USA
- Department of Chemistry, Stony Brook University, Stony Brook, New York, USA
| | - Deveney Dasilva
- Department of Microbiology and Immunology, Stony Brook University, Stony Brook, New York, USA
| | - Nivea Pereira de Sa
- Department of Microbiology and Immunology, Stony Brook University, Stony Brook, New York, USA
| | - Gabriel S Matos
- Department of Microbiology and Immunology, Stony Brook University, Stony Brook, New York, USA
| | - Vanessa Silva
- Department of Microbiology and Immunology, Stony Brook University, Stony Brook, New York, USA
| | - Cristina Lazzarini
- Department of Microbiology and Immunology, Stony Brook University, Stony Brook, New York, USA
| | - Caroline Mota Fernandes
- Department of Microbiology and Immunology, Stony Brook University, Stony Brook, New York, USA
| | - Kildare Miranda
- Laboratory of Cellular Ultrastructure Hertha Meyer, Carlos Chagas Filho Institute of Biophysics and National Center for Structural Biology and Bioimaging, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Jhon Jhamilton Artunduaga Bonilla
- Laboratory of Eukaryotic Glycobiology (LaGE), Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Anna Letícia Nunes
- Laboratory of Eukaryotic Glycobiology (LaGE), Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Leonardo Nimrichter
- Laboratory of Eukaryotic Glycobiology (LaGE), Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Iwao Ojima
- Institute of Chemical Biology and Drug Discovery, Stony Brook University, Stony Brook, New York, USA
- Department of Chemistry, Stony Brook University, Stony Brook, New York, USA
| | - John Mallamo
- MicroRid Technologies Inc., Dix Hills, New York, USA
| | | | - Maurizio Del Poeta
- Institute of Chemical Biology and Drug Discovery, Stony Brook University, Stony Brook, New York, USA
- Department of Microbiology and Immunology, Stony Brook University, Stony Brook, New York, USA
- MicroRid Technologies Inc., Dix Hills, New York, USA
- Division of Infectious Diseases, School of Medicine, Stony Brook University, Stony Brook, New York, USA
- Veterans Administration Medical Center, Northport, New York, USA
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de Souza BM, Colombo SA, do Carmo Teixeira R, Coelho IMP, Barrado WDS, Ramos BOL, Araujo ÉLM, Bicalho GC, de Azevedo MI, Keller KM, Santos Monti FD, Silva Maia LDM, de Magalhães Soares DF, de Oliveira CSF. Responsible ownership and health education can reduce the time of sporotrichosis treatment in domestic cats. Prev Vet Med 2024; 227:106211. [PMID: 38691954 DOI: 10.1016/j.prevetmed.2024.106211] [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: 12/19/2023] [Revised: 04/08/2024] [Accepted: 04/14/2024] [Indexed: 05/03/2024]
Abstract
Sporotrichosis is a widespread fungal infection that affects skin and subcutaneous tissues in humans and animals. In cats, it is displayed as nodules, ulcers and lesions on the nasal and respiratory mucosa. Antifungal treatment of cats is crucial but many cases are difficult, thus resulting in discontinue of the treatment, with disastrous consequences for the animal, encouraging contamination of the environment, other animals and people. The effects of responsible ownership education and health education for owners of cats with feline sporotrichosis as well as the interval between veterinary consultations on treatment outcomes for three groups of owners and their pet cats were evaluated in this study. The responsible ownership education and health education strategies consisted in videos in easy and accessible language for people with any level of education and were presented during consultations for two of the three groups included. The time between appointments was two weeks for two of the groups, and four weeks for one of the groups. The median of treatment time for the group without educational activities was 138 days, while for the other two groups it was 77.5 days and 86 days. It was found a significative reduction in the treatment time in the groups exposed to Responsible ownership education videos. There was no contamination of those responsible for home treatment, and the interval between monthly appointments did not impact on cure or death rates compared to the interval between fortnightly appointments. All these results can be applied to feline sporotrichoses treatment protocols increasing the owners treatment adherence and reducing either, the treatment discontinuation and the treatment costs and helps to control zoonotic sporotrichosis. The importance of attractive and comprehensible educational strategies as part of the feline sporotrichosis treatment protocol for the promotion of one health was highlighted.
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Affiliation(s)
- Bianca Moreira de Souza
- Department of Preventive Veterinary Medicine, School of Veterinary Medicine, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Salene Angelini Colombo
- Department of Preventive Veterinary Medicine, School of Veterinary Medicine, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Roberta do Carmo Teixeira
- Department of Preventive Veterinary Medicine, School of Veterinary Medicine, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Isadora Martins Pinto Coelho
- Department of Preventive Veterinary Medicine, School of Veterinary Medicine, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Werik Dos Santos Barrado
- Department of Preventive Veterinary Medicine, School of Veterinary Medicine, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Breno Oliveira Lima Ramos
- Department of Preventive Veterinary Medicine, School of Veterinary Medicine, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Érica Lorenza Martins Araujo
- Department of Preventive Veterinary Medicine, School of Veterinary Medicine, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Gustavo Canesso Bicalho
- Department of Preventive Veterinary Medicine, School of Veterinary Medicine, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Maria Isabel de Azevedo
- Department of Preventive Veterinary Medicine, School of Veterinary Medicine, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Kelly Moura Keller
- Department of Preventive Veterinary Medicine, School of Veterinary Medicine, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | | | - Lorena Diniz Macedo Silva Maia
- Department of Preventive Veterinary Medicine, School of Veterinary Medicine, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Danielle Ferreira de Magalhães Soares
- Department of Preventive Veterinary Medicine, School of Veterinary Medicine, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Camila Stefanie Fonseca de Oliveira
- Department of Preventive Veterinary Medicine, School of Veterinary Medicine, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.
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Morgado DS, Castro R, Ribeiro-Alves M, Corrêa-Moreira D, Silva JCADLE, Menezes RC, Oliveira MME. Systematic review of literature to evaluate global distribution of species of the Sporothrix genus stored in culture collections. Front Cell Infect Microbiol 2024; 14:1382508. [PMID: 38828263 PMCID: PMC11140055 DOI: 10.3389/fcimb.2024.1382508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Accepted: 04/17/2024] [Indexed: 06/05/2024] Open
Abstract
Introduction Sporotrichosis is a subcutaneous mycosis caused by fungi of the genus Sporothrix sp. Phenotypic and genotypic differences have been associated with their geographic distribution, virulence, or clinical manifestation of sporotrichosis. In the past decade, the interest in identifying species of the Sporothrix sp. has been increasing, due to its epidemiological importance and, in consequence, is important to know how to preserve them for future studies, in culture collection. Aims The purposes of this study were to analyze the global distribution of environmental isolates and/or causal agents of sporotrichosis identified by polyphasic taxonomy, with mandatory use of molecular identification, and to evaluate the percentages and distribution of isolates stored in culture collections. Methods A systematic review of articles on animal and human sporotrichosis and/or environmental isolation of the fungus, from 2007 to 2023, was done. Results: Our results demonstrated that, S. globosa, S. schenckii, and S. brasiliensis were the most identified species. With respect to the deposit and maintenance of species, we observed that only 17% of the strains of Sporothrix sp. isolated in the world are preserved in a culture collection. Conclusions This systematic review confirmed a difficulty in obtaining the frequency of Sporothrix species stored in culture collection and insufficient data on the molecular identification mainly of animal sporotrichosis and isolation of Sporothrix sp. in environmental samples.
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Affiliation(s)
- Debora Salgado Morgado
- Laboratory of Taxonomy, Biochemistry and Bioprospecting of Fungi, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | - Rodolfo Castro
- Sergio Arouca National School of Public Health, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
- Institute of Collective Health, Federal University of the State of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Marcelo Ribeiro-Alves
- Laboratory of AIDS and Molecular Immunology, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | - Danielly Corrêa-Moreira
- Laboratory of Taxonomy, Biochemistry and Bioprospecting of Fungi, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | | | - Rodrigo Caldas Menezes
- Laboratory of Clinical Research on Dermatozoonoses in Domestic Animals, Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
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Tan L, Ariffin N, Vendargon FMM, Mohd Khialdin S. Ocular Adnexal Manifestations of Sporotrichosis: A Report of Two Cases. Cureus 2024; 16:e59939. [PMID: 38854294 PMCID: PMC11161718 DOI: 10.7759/cureus.59939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/08/2024] [Indexed: 06/11/2024] Open
Abstract
Sporotrichosis is a subcutaneous mycotic infection, caused by the dimorphic fungi Sporothrix schenckii. Ocular sporotrichosis has both intraocular and adnexal forms. We describe two cases of sporotrichosis involving the conjunctiva of two healthy individuals after inoculation by their pet cats, with complete resolution of lesions after antifungal treatment.
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Affiliation(s)
- Leroy Tan
- Department of Ophthalmology, Universiti Kebangsaan Malaysia Medical Centre, Kuala Lumpur, MYS
| | - Nurulhuda Ariffin
- Department of Ophthalmology, Hospital Sultanah Aminah, Johor Bahru, MYS
| | | | - Safinaz Mohd Khialdin
- Department of Ophthalmology, Hospital Universiti Kebangsaan Malaysia, Kuala Lumpur, MYS
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7
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Santos AF, Azevedo MI, Amaral CI, Grom NA, Marinho F, de Oliveira CSF, de M Soares DF, Morais MHF, Brandão ST, Menezes RC, Ecco R. Feline sporotrichosis: Characterization of cutaneous and extracutaneous lesions using different diagnostic methods. Vet Pathol 2024; 61:221-231. [PMID: 37515437 DOI: 10.1177/03009858231189448] [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] [Indexed: 07/30/2023]
Abstract
Sporotrichosis is a mycotic infection of the cutaneous and subcutaneous tissues caused by Sporothrix spp. that can also cause extracutaneous manifestations. This study aimed to characterize cutaneous and extracutaneous sporotrichosis lesions in cats. Over 1 year, 102 cats rescued by the Zoonoses Control Center of Belo Horizonte, Brazil, euthanized with clinical suspicion of feline sporotrichosis were evaluated. After euthanasia, the animals were evaluated by macroscopic, cytological, histopathological, and immunohistochemistry (IHC) examinations; fungal culture; and polymerase chain reaction (PCR). Sporothrix infection was identified by at least one diagnostic technique in all cats (n = 102) evaluated by postmortem examination, including 26/28 cases (93%) evaluated by IHC, 66/90 cases (73%) evaluated by cytology, 70/102 cases (68.6%) evaluated by histopathology, and 62/74 cases (84%) evaluated by fungal culture. Two cats had positive results only by fungal culture. Cytology and histopathology examinations were effective in diagnosing sporotrichosis, although IHC was needed to confirm the diagnosis in cats with low fungal loads. Sporothrix brasiliensis was confirmed by the sequencing of 3 samples. Skin lesions were characterized mainly by pyogranulomatous to granulomatous dermatitis (frequently with subcutaneous inflammation) with different intensities of Sporothrix spp. yeast. Extracutaneous findings associated with sporotrichosis included rhinitis or rhinosinusitis, lymphadenitis, pneumonia, meningitis, periorchitis, conjunctivitis, and glossitis. Extracutaneous infections were observed in 74/102 cases, and a possible association between the chronicity of the disease and the higher pathogenicity of this fungal species in cats requires further investigation.
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Affiliation(s)
- Agna F Santos
- Pathology Sector and MULTILAB, Department of Clinic and Surgery, Veterinary School, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Maria I Azevedo
- Departamento de Medicina Veterinária Preventiva, Veterinary School, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Camila I Amaral
- Pathology Sector and MULTILAB, Department of Clinic and Surgery, Veterinary School, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Nikollye A Grom
- Pathology Sector and MULTILAB, Department of Clinic and Surgery, Veterinary School, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Fabricio Marinho
- Pathology Sector and MULTILAB, Department of Clinic and Surgery, Veterinary School, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Camila S F de Oliveira
- Departamento de Medicina Veterinária Preventiva, Veterinary School, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Danielle F de M Soares
- Departamento de Medicina Veterinária Preventiva, Veterinary School, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Maria H F Morais
- Diretoria de Zoonoses, Secretaria Municipal da Saúde, Prefeitura Municipal de Belo Horizonte, Belo Horizonte, Brazil
| | - Silvana T Brandão
- Diretoria de Zoonoses, Secretaria Municipal da Saúde, Prefeitura Municipal de Belo Horizonte, Belo Horizonte, Brazil
| | - Rodrigo C Menezes
- Laboratório de Pesquisa Clínica em Dermatozoonoses em Animais Domésticos, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Roselene Ecco
- Pathology Sector and MULTILAB, Department of Clinic and Surgery, Veterinary School, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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8
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Escobar MC, Cifuentes Ramos F, Alvarez Rojas CA. Sporothrix brasiliensis in cats from Santiago, Chile. Med Mycol Case Rep 2024; 43:100624. [PMID: 38222925 PMCID: PMC10787246 DOI: 10.1016/j.mmcr.2023.100624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/11/2023] [Accepted: 12/21/2023] [Indexed: 01/16/2024] Open
Abstract
We report Sporothrix brasiliensis infection in three cats from Santiago, Chile. Recently, S. brasiliensis was reported in cats from the southernmost region of Chile located 2,190 km from Santiago. Our findings emphasize the emergence of S. brasiliensis in the Chilean context, reflecting its rapid expansion across South America in recent years. Veterinarians should include S. brasiliensis in the differential diagnosis of skin conditions in cats.
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Affiliation(s)
- María Carolina Escobar
- Escuela de Medicina Veterinaria, Facultad de Agronomía e Ingeniería Forestal, Facultad de Ciencias Biológicas y Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | | | - Cristian A. Alvarez Rojas
- Escuela de Medicina Veterinaria, Facultad de Agronomía e Ingeniería Forestal, Facultad de Ciencias Biológicas y Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
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9
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Roldán Villalobos W, Monti F, Ferreira T, Sato S, Telles F, Farias M. Therapeutic efficacy of isavuconazole and potassium iodide in a cat with refractory sporotrichosis. Vet Dermatol 2023; 34:624-628. [PMID: 37357375 DOI: 10.1111/vde.13188] [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: 02/09/2023] [Revised: 04/24/2023] [Accepted: 06/11/2023] [Indexed: 06/27/2023]
Abstract
A seven-month-old, male, domestic short-hair cat was presented with nodular and ulcerative lesions, as well as respiratory signs, caused by Sporothrix brasiliensis infection. Owing to lack of response to oral itraconazole and potassium iodide, isavuconazole was substituted for itraconazole, leading to clinical cure after three months of treatment without adverse effects.
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Affiliation(s)
- Wendie Roldán Villalobos
- Department of Veterinary Medicine, School of Medicine and Life and Sciences, Pontifical Catholic University of Paraná, Curitiba, Brazil
| | - Fabiana Monti
- Department of Veterinary Medicine, School of Medicine and Life and Sciences, Pontifical Catholic University of Paraná, Curitiba, Brazil
| | - Tássia Ferreira
- Department of Veterinary Medicine, School of Medicine and Life and Sciences, Pontifical Catholic University of Paraná, Curitiba, Brazil
| | - Sabrina Sato
- Department of Public Health, Faculty of Medicine, Federal University of Paraná, Curitiba, Brazil
| | - Flávio Telles
- Department of Public Health, Faculty of Medicine, Federal University of Paraná, Curitiba, Brazil
| | - Marconi Farias
- Department of Veterinary Medicine, School of Medicine and Life and Sciences, Pontifical Catholic University of Paraná, Curitiba, Brazil
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Procópio-Azevedo AC, de Abreu Almeida M, Almeida-Paes R, Zancopé-Oliveira RM, Gutierrez-Galhardo MC, de Macedo PM, Novaes E, Bailão AM, de Almeida Soares CM, Freitas DFS. The State of the Art in Transcriptomics and Proteomics of Clinically Relevant Sporothrix Species. J Fungi (Basel) 2023; 9:790. [PMID: 37623561 PMCID: PMC10455387 DOI: 10.3390/jof9080790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 07/19/2023] [Accepted: 07/25/2023] [Indexed: 08/26/2023] Open
Abstract
Proteomics provide a robust approach to profile and quantify proteins within cells, organs, or tissues, providing comprehensive insights about the dynamics of cellular processes, modifications, and interactions. Similarly, understanding the transcriptome is essential to decipher functional elements of the genome, unraveling the mechanisms of disease development and the molecular constituents of cells and tissues. Some thermodimorphic fungi of the genus Sporothrix cause sporotrichosis, a subcutaneous mycosis of worldwide relevance. The transcriptome and proteome of the main Sporothrix species of clinical interest can elucidate the mechanisms underlying pathogenesis and host interactions. Studies of these techniques can contribute to the advancement of novel diagnostic and therapeutic strategies. A literature review was carried out, addressing all articles based on proteomics using mass spectrometry and transcriptomics of Sporothrix spp. Twenty-one studies were eligible for this review. The main findings include proteins and genes involved in dimorphism, cell differentiation, thermotolerance, virulence, immune evasion, metabolism, cell adhesion, cell transport, and biosynthesis. With the spread and emergence of sporotrichosis in different countries, ongoing research efforts and new discoveries are welcome to advance knowledge about this mycosis and its agents.
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Affiliation(s)
- Anna Carolina Procópio-Azevedo
- Laboratório de Micologia, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro 21040-360, RJ, Brazil
| | - Marcos de Abreu Almeida
- Laboratório de Micologia, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro 21040-360, RJ, Brazil
| | - Rodrigo Almeida-Paes
- Laboratório de Micologia, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro 21040-360, RJ, Brazil
| | - Rosely Maria Zancopé-Oliveira
- Laboratório de Micologia, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro 21040-360, RJ, Brazil
| | - Maria Clara Gutierrez-Galhardo
- Laboratório de Pesquisa Clínica em Dermatologia Infecciosa, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro 21040-360, RJ, Brazil
| | - Priscila Marques de Macedo
- Laboratório de Pesquisa Clínica em Dermatologia Infecciosa, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro 21040-360, RJ, Brazil
| | - Evandro Novaes
- Setor de Genética, Departamento de Biologia, Universidade Federal de Lavras, Lavras 37203-202, MG, Brazil
| | - Alexandre Melo Bailão
- Laboratório de Biologia Molecular, Instituto de Ciências Biológicas, Universidade Federal de Goiás, Goiânia 74690-900, GO, Brazil
| | - Célia Maria de Almeida Soares
- Laboratório de Biologia Molecular, Instituto de Ciências Biológicas, Universidade Federal de Goiás, Goiânia 74690-900, GO, Brazil
| | - Dayvison Francis Saraiva Freitas
- Laboratório de Pesquisa Clínica em Dermatologia Infecciosa, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro 21040-360, RJ, Brazil
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11
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Gómez-Gaviria M, Martínez-Álvarez JA, Mora-Montes HM. Current Progress in Sporothrix brasiliensis Basic Aspects. J Fungi (Basel) 2023; 9:jof9050533. [PMID: 37233242 DOI: 10.3390/jof9050533] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/27/2023] [Accepted: 04/28/2023] [Indexed: 05/27/2023] Open
Abstract
Sporotrichosis is known as a subacute or chronic infection, which is caused by thermodimorphic fungi of the genus Sporothrix. It is a cosmopolitan infection, which is more prevalent in tropical and subtropical regions and can affect both humans and other mammals. The main etiological agents causing this disease are Sporothrix schenckii, Sporothrix brasiliensis, and Sporothrix globosa, which have been recognized as members of the Sporothrix pathogenic clade. Within this clade, S. brasiliensis is considered the most virulent species and represents an important pathogen due to its distribution and prevalence in different regions of South America, such as Brazil, Argentina, Chile, and Paraguay, and Central American countries, such as Panama. In Brazil, S. brasiliensis has been of great concern due to the number of zoonotic cases that have been reported over the years. In this paper, a detailed review of the current literature on this pathogen and its different aspects will be carried out, including its genome, pathogen-host interaction, resistance mechanisms to antifungal drugs, and the caused zoonosis. Furthermore, we provide the prediction of some putative virulence factors encoded by the genome of this fungal species.
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Affiliation(s)
- Manuela Gómez-Gaviria
- Departamento de Biología, División de Ciencias Naturales y Exactas, Campus Guanajuato, Universidad de Guanajuato, Noria Alta s/n, col. Noria Alta, Guanajuato 36050, Mexico
| | - José A Martínez-Álvarez
- Departamento de Biología, División de Ciencias Naturales y Exactas, Campus Guanajuato, Universidad de Guanajuato, Noria Alta s/n, col. Noria Alta, Guanajuato 36050, Mexico
| | - Héctor M Mora-Montes
- Departamento de Biología, División de Ciencias Naturales y Exactas, Campus Guanajuato, Universidad de Guanajuato, Noria Alta s/n, col. Noria Alta, Guanajuato 36050, Mexico
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12
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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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13
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Izoton CFG, de Brito Sousa AX, Valete CM, Schubach ADO, Procópio-Azevedo AC, Zancopé-Oliveira RM, de Macedo PM, Gutierrez-Galhardo MC, Castro-Alves J, Almeida-Paes R, Martins ACDC, Freitas DFS. Sporotrichosis in the nasal mucosa: A single-center retrospective study of 37 cases from 1998 to 2020. PLoS Negl Trop Dis 2023; 17:e0011212. [PMID: 36972287 PMCID: PMC10079221 DOI: 10.1371/journal.pntd.0011212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Revised: 04/06/2023] [Accepted: 03/02/2023] [Indexed: 03/29/2023] Open
Abstract
Background
Sporotrichosis is a subcutaneous or implantation mycosis caused by some species of the genus Sporothrix. Rio de Janeiro state, Brazil, experiences hyperendemic levels of zoonotic sporotrichosis, with increasing cases of disseminated disease, especially in people living with HIV (PLHIV). Involvement of the nasal mucosa is rare and occurs isolated or in disseminated cases, with a delayed resolution.
Methodology/Principal findings
This study aimed to describe the epidemiological, clinical, and therapeutic profiles of 37 cases of sporotrichosis with involvement of the nasal mucosa treated at the ear, nose, and throat (ENT) outpatient clinic of the Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, from 1998 to 2020. Data were reviewed from the medical records and stored in a database. The Mann–Whitney test was used to compare the means of quantitative variables, and Pearson chi-square and Fisher’s exact tests were used to verify the association between qualitative variables (p<0.05). Most patients were males, students or retirees, with a median age of 38 years, residents in the municipality of Rio de Janeiro, and infected through zoonotic transmission. Disseminated sporotrichosis forms in patients with comorbidities (mostly PLHIV) were more common than the isolated involvement of the mucosa. The main characteristics of lesions in the nasal mucosa were the presence/elimination of crusts, involvement of various structures, mixed appearance, and severe intensity. Due to therapeutic difficulty, itraconazole was combined with amphotericin B and/or terbinafine in most cases. Of the 37 patients, 24 (64.9%) healed, with a median of 61 weeks of treatment, 9 lost follow-up, 2 were still treating and 2 died.
Conclusions
Immunosuppression was determinant to the outcome, with worse prognosis and lower probability of cure. Notably in this group, the systematization of the ENT examination for early identification of lesions is recommended to optimize the treatment and outcome of the disease.
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Affiliation(s)
| | - Antonio Xavier de Brito Sousa
- Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
- Instituto de Educação Médica, Rio de Janeiro, Brazil
| | - Cláudia Maria Valete
- Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
- Faculdade de Medicina da Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | | | | | | | | | - Julio Castro-Alves
- Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Rodrigo Almeida-Paes
- Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
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14
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Topical hydrophilic gel with itraconazole-loaded polymeric nanomicelles improves wound healing in the treatment of feline sporotrichosis. Int J Pharm 2023; 634:122619. [PMID: 36682505 DOI: 10.1016/j.ijpharm.2023.122619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 12/22/2022] [Accepted: 01/13/2023] [Indexed: 01/21/2023]
Abstract
Sporotrichosis is a superficial fungal disease that can affect animals and humans. The high number of infected cats has been associated with zoonotic transmission and contributed to sporotrichosis being considered by the World Health Organization as one of the main neglected tropical fungal diseases for 2021-2030. Oral administration of itraconazole (ITZ) is the first choice for treatment, but it is expensive, time-consuming, and often related to serious adverse effects. As a strategy to optimize the treatment, we proposed the development of a hydrophilic gel with nanomicelles loaded with ITZ (HGN-ITZ). The HGN-ITZ was developed using an I-optimal design and characterized for particle size, Zeta potential, drug content, microscopic aspects, viscosity, spreadability, in vitro drug release, in vitro antifungal activity, and clinical evaluation in cats. The HGN-ITZ showed a high content of ITZ (97.3 ± 2.1 mg/g); and characteristics suitable for topical application (viscosity, spreadability, globules size, Zeta potential, controlled drug release). In a pilot clinical study, cats with disseminated sporotrichosis were treated with oral ITZ or HGN-ITZ + oral ITZ. A mortality rate of 21.3% was observed for the oral ITZ group compared to 5.3% for the HGN-ITZ + oral ITZ group. In a cat with a single lesion, topical treatment alone (HGN-ITZ) provided complete healing of the lesion in 45 days. No signs of topical irritation were observed during the treatments, suggesting that HGN-ITZ can be a promising strategy in the treatment of sporotrichosis.
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de Mello LS, Ribeiro PR, de Almeida BA, Bandinelli MB, Sonne L, Driemeier D, Pavarini SP. Diseases associated with feline leukemia virus and feline immunodeficiency virus infection: A retrospective study of 1470 necropsied cats (2010-2020). Comp Immunol Microbiol Infect Dis 2023; 95:101963. [PMID: 36858000 DOI: 10.1016/j.cimid.2023.101963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 02/07/2023] [Accepted: 02/13/2023] [Indexed: 02/18/2023]
Abstract
Feline leukemia virus (FeLV) and feline immunodeficiency virus (FIV) are retroviruses affecting cats worldwide, and the prevalence of infection varies considerably according to the geographic area. We retrospectively described FIV- and FeLV-associated diseases in a population of 1470 necropsied cats, of which 396 (26.9%) were infected with FeLV, 199 (13.5%) with FIV, and 134 (9.1%) with FeLV and FIV concomitantly. Cats infected with FeLV (OR 3.4) and co-infected with FeLV and FIV (OR 1.9) were more likely to have neoplasms. The diagnosis of lymphoma and leukemia was higher in cats infected with FeLV (OR 3.9 and 19.4, respectively) and coinfected with FeLV and FIV (OR 1.9 and 19.3, respectively). The odds of diagnosing bacterial diseases were higher in cats coinfected with FeLV and FIV (OR: 2.8), whereas the odds of viral diseases were higher in those infected with FeLV (OR: 2.8), with 2.2 times more diagnoses of feline infectious peritonitis. Neoplastic and infectious diseases in FIV-infected cats did not differ significantly from those in uninfected cats. According to our results, a high prevalence of retroviral infections was observed in southern Brazil, mainly in relation to FeLV. Infected cats were significantly younger than uninfected cats. The main causes of death associated with FeLV infection and FeLV and FIV coinfection were neoplastic and infectious diseases. In contrast, FIV infection was not associated with any specific condition.
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Affiliation(s)
- Lauren Santos de Mello
- Department of Veterinary Pathology, College of Veterinary Medicine, Federal University of Rio Grande do Sul (UFRGS), 9090 Av. Bento Gonçalves, Porto Alegre, RS 91540-000, Brazil.
| | - Paula Reis Ribeiro
- Department of Veterinary Pathology, College of Veterinary Medicine, Federal University of Rio Grande do Sul (UFRGS), 9090 Av. Bento Gonçalves, Porto Alegre, RS 91540-000, Brazil.
| | - Bruno Albuquerque de Almeida
- Department of Veterinary Pathology, College of Veterinary Medicine, Federal University of Rio Grande do Sul (UFRGS), 9090 Av. Bento Gonçalves, Porto Alegre, RS 91540-000, Brazil.
| | - Marcele Bettim Bandinelli
- Department of Veterinary Pathology, College of Veterinary Medicine, Federal University of Rio Grande do Sul (UFRGS), 9090 Av. Bento Gonçalves, Porto Alegre, RS 91540-000, Brazil.
| | - Luciana Sonne
- Department of Veterinary Pathology, College of Veterinary Medicine, Federal University of Rio Grande do Sul (UFRGS), 9090 Av. Bento Gonçalves, Porto Alegre, RS 91540-000, Brazil.
| | - David Driemeier
- Department of Veterinary Pathology, College of Veterinary Medicine, Federal University of Rio Grande do Sul (UFRGS), 9090 Av. Bento Gonçalves, Porto Alegre, RS 91540-000, Brazil.
| | - Saulo Petinatti Pavarini
- Department of Veterinary Pathology, College of Veterinary Medicine, Federal University of Rio Grande do Sul (UFRGS), 9090 Av. Bento Gonçalves, Porto Alegre, RS 91540-000, Brazil.
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16
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Thomson P, González C, Blank O, Ramírez V, del Río C, Santibáñez S, Pena P. Sporotrichosis Outbreak Due to Sporothrix brasiliensis in Domestic Cats in Magallanes, Chile: A One-Health-Approach Study. J Fungi (Basel) 2023; 9:jof9020226. [PMID: 36836340 PMCID: PMC9962391 DOI: 10.3390/jof9020226] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/31/2023] [Accepted: 02/03/2023] [Indexed: 02/11/2023] Open
Abstract
Sporotrichosis is an implantation mycosis with subcutaneo-lymphatic or, more rarely, a viscerally disseminated affection; it can be acquired through traumatic percutaneous inoculation of the fungus present in soil or plant matter, or by feline scratching. Among the causative agents, Sporothrix brasiliensis is considered the most virulent species with a high prevalence in Brazil and recently in Argentina. OBJECTIVE To describe a S. brasiliensis outbreak in domestic and feral cats detected in the Magallanes region of southern Chile. MATERIALS AND METHODS Between the months of July and September 2022, three cats presented with suppurative subcutaneous lesions located mainly on the head and thoracic limbs. The cytology revealed the presence of yeasts with morphological characteristics suggestive of Sporothrix spp. The histopathology confirmed pyogranulomatous subcutaneous lesions associated with the presence of the same yeasts. The fungal culture followed by the partial gene sequence and analysis of the ITS region confirmed the diagnosis of the S. brasiliensis as the causative agent. The cats were treated with itraconazole associated in one case with potassium iodide. The evolution of the patients was favorable in all cases. CONCLUSIONS An outbreak caused by S. brasiliensis was detected in domestic and feral cats in austral Chile. The correct identification of this fungus and antifungigram is essential for treatment decisions and for designing dissemination control and prevention programs under a one health approach that consider the health of people, animals, and the environment.
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Affiliation(s)
- Pamela Thomson
- Laboratorio de Microbiología Clínica y Microbioma, Escuela de Medicina Veterinaria, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago 8370134, Chile
- Correspondence: ; Tel.: +56-227-703-688
| | - Carlos González
- Laboratorio de Anatomía e Histopatología, Escuela de Medicina Veterinaria, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago 8370134, Chile
- Laboratorio de Histopatología, CITOVET, Ñuñoa, Santiago 7750538, Chile
| | - Olivia Blank
- Clínica Veterinaria Timaukel, Punta Arenas 6210648, Chile
| | | | - Camila del Río
- Laboratorio de Microbiología Clínica y Microbioma, Escuela de Medicina Veterinaria, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago 8370134, Chile
| | - Sebastián Santibáñez
- Laboratorio de Microbiología Clínica y Microbioma, Escuela de Medicina Veterinaria, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago 8370134, Chile
| | - Pamela Pena
- Clínica Veterinaria Timaukel, Punta Arenas 6210648, Chile
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17
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Ribeiro DSC, Machado LJ, Pereira JG, Baptista ARDS, da Rocha EMDS. Laser therapy in the treatment of feline sporotrichosis: A case series. BRAZILIAN JOURNAL OF VETERINARY MEDICINE 2023; 45:e005822. [PMID: 37146090 PMCID: PMC10153455 DOI: 10.29374/2527-2179.bjvm005822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 04/03/2023] [Indexed: 05/07/2023] Open
Abstract
Sporotrichosis is the most prevalent subcutaneous mycosis in Latin America and is an important zoonosis in expansion throughout all the brazilian territory. Domestic cats are highly susceptible to the disease and play an important role in the spread of the agent to both other animals and humans. Sporothrix brasiliensis, the predominant species in the country, has greater virulence and some isolates also showed resistance to azoles, the class of antifungals of choice for treatment. Because it is a long-duration treatment, of high cost, and oral use, sick animals are often abandoned, which contributes to the spread and permanence of the infection as an important public health problem. Therefore, new therapeutic alternatives or adjuncts to treatment with antifungals may contribute to combating this zoonotic agent. In this work we describe the result of the treatment with laser therapy of eight Sporothrix spp infected cats. Our findings show the efficacy of the laser treatment even in different clinical forms. This technique has the potential to decrease the time length and costs of conventional treatment as well as the improvement of the treatment results.
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Affiliation(s)
- Daniella Souther Carvalho Ribeiro
- Veterinarian, MSc. Programa de Pós-graduação em Microbiologia e Parasitologia Aplicadas (PPGMPA),Departamento de Microbiologia e Parasitologia,Instituto Biomédico, Universidade Federal Fluminense (UFF)- Niterói, RJ, Brazil.
| | | | | | | | - Elisabeth Martins da Silva da Rocha
- Veterinarian, DSc., Departamento de Microbiologia e Parasitologia (MIP), Instituto Biomédico. Universidade Federal Fluminense (UFF). Niterói, RJ, Brazil.
- Correspondence
Elisabeth Martins da Silva da Rocha
Departamento de Microbiologia e Parasitologia, Instituto Biomédico, Universidade Federal Fluminense - UFF, Campus Valonguinho
Alameda Barros Terra, s/nº, Bloco E, Quinto Pavimento
CEP 24020-150 - Niterói (RJ), Brasil
E-mail:
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18
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Alvarez CM, Oliveira MME, Pires RH. Sporotrichosis: A Review of a Neglected Disease in the Last 50 Years in Brazil. Microorganisms 2022; 10:2152. [PMID: 36363744 PMCID: PMC9695284 DOI: 10.3390/microorganisms10112152] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 10/20/2022] [Accepted: 10/24/2022] [Indexed: 08/15/2023] Open
Abstract
Sporotrichosis is caused by fungi belonging to the genus Sporothrix, which saprophytically are found in plants and organic matter. However, cats are highly susceptible to contamination with fungal spores and, when they become sick, they can transmit it to other animals and to man. The objective of this study is to carry out a systematic review on the emergency, diagnosis, clinical symptoms, therapeutics, and control of zoonotic sporotrichosis. Published data covering the last 50 years using a combination of keywords were selected to answer the question: Why has the zoonotic sporotrichosis been a neglected disease up to now? A total of 135 studies were included in this review. The studies emphasize that in recent decades, Brazil has experienced an unprecedented zoonotic outbreak of sporotrichosis. Advances on the genus Sporothrix allowed one to associate thermotolerance, capacity for melanin synthesis, potential for adhesion to tissue macromolecules, ergosterol peroxide production, and expression of virulence proteins as tools for infection and invasion in S. brasiliensis, the main species involved, although cases with S. schenckii or S. lurei were also reported. Correct diagnosis, early treatment, basic educational measures that emphasize responsible ownership of animals and reproductive control programs for felines can contribute to the control of zoonosis.
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Affiliation(s)
- Carmen Magaly Alvarez
- Laboratory of Mycology and Environmental Diagnosis, Postgraduate Program in Health Promotion, University of Franca, Franca 14404-600, SP, Brazil
- Faculty of Veterinary Medicine, Universidad Agraria del Ecuador, Guayaquil 090104, Ecuador
| | | | - Regina Helena Pires
- Laboratory of Mycology and Environmental Diagnosis, Postgraduate Program in Health Promotion, University of Franca, Franca 14404-600, SP, Brazil
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19
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Indoung S, Chanchayanon B, Chaisut M, Buapeth KO, Morteh R, Jantrakajorn S. Feline sporotrichosis caused by Sporothrix schenckii sensu stricto in Southern Thailand: phenotypic characterization, molecular identification, and antifungal susceptibility. Med Mycol 2022; 60:6706854. [PMID: 36130102 DOI: 10.1093/mmy/myac075] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 09/08/2022] [Accepted: 09/17/2022] [Indexed: 01/19/2023] Open
Abstract
Feline sporotrichosis caused by the Sporothrix schenckii complex is a global subcutaneous mycosis, having higher prevalence in Latin America and Malaysia. However, its etiological agents have not been elucidated in Thailand, a neighboring country of Malaysia, where the cases are increasing. This study identified 38 feline isolates of S. schenckii from Southern Thailand, collected between 2018 and 2021, using phenotypic characterization and molecular identification using polymerase chain reaction (PCR)-sequencing of partial calmodulin (CAL) and ß-tubulin (Bt2) genes. Phenotypic characteristics proved that the isolates were S. schenckii sensu lato, with low thermotolerance. Based on partial CAL and Bt2-PCR sequencing, all isolates were identified as S. schenckii sensu stricto. Phylogenetic analyses revealed that the isolates were clustered with S. schenckii sensu stricto isolated from the cats in Malaysia. A low degree of genetic diversity was observed among the Thai feline isolates. The antifungal susceptibility of these isolates to antifungal agents, including itraconazole (ITC), ketoconazole (KTC), fluconazole (FLC), and amphotericin B (AMB), was investigated according to the M27-A3 protocol of the Clinical and Laboratory Standards Institute. Results showed low ITC, KTC, and AMB activities against S. schenckii sensu stricto isolates, with high minimum inhibitory concentration (MIC) ranges of 1-8, 1-8, and 2-16 µg/ml, respectively, whereas FLC exhibited MICs of 64 and > 64 µg/ml. This study indicated that S. schenckii sensu stricto is the causative agent responsible for feline sporotrichosis in Southern Thailand. Their phenotypic characteristics and in vitro antifungal susceptibility profiles will help to improve our understanding of this mycosis in Thailand.
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Affiliation(s)
- Saowakon Indoung
- Faculty of Veterinary Science, Prince of Songkla University, Songkhla 90110, Thailand
| | - Baramee Chanchayanon
- Faculty of Veterinary Science, Prince of Songkla University, Songkhla 90110, Thailand
| | - Mananya Chaisut
- Faculty of Veterinary Science, Prince of Songkla University, Songkhla 90110, Thailand
| | - Kanok-On Buapeth
- Faculty of Veterinary Science, Prince of Songkla University, Songkhla 90110, Thailand
| | - Rajeef Morteh
- Faculty of Veterinary Science, Prince of Songkla University, Songkhla 90110, Thailand
| | - Sasibha Jantrakajorn
- Faculty of Veterinary Science, Prince of Songkla University, Songkhla 90110, Thailand
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20
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de Carvalho JA, Monteiro RC, Hagen F, de Camargo ZP, Rodrigues AM. Trends in Molecular Diagnostics and Genotyping Tools Applied for Emerging Sporothrix Species. J Fungi (Basel) 2022; 8:jof8080809. [PMID: 36012797 PMCID: PMC9409836 DOI: 10.3390/jof8080809] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 07/22/2022] [Accepted: 07/25/2022] [Indexed: 11/23/2022] Open
Abstract
Sporotrichosis is the most important subcutaneous mycosis that affects humans and animals worldwide. The mycosis is caused after a traumatic inoculation of fungal propagules into the host and may follow an animal or environmental transmission route. The main culprits of sporotrichosis are thermodimorphic Sporothrix species embedded in a clinical clade, including S. brasiliensis, S. schenckii, S. globosa, and S. luriei. Although sporotrichosis occurs worldwide, the etiological agents are not evenly distributed, as exemplified by ongoing outbreaks in Brazil and China, caused by S. brasiliensis and S. globosa, respectively. The gold standard for diagnosing sporotrichosis has been the isolation of the fungus in vitro. However, with the advance in molecular techniques, molecular assays have complemented and gradually replaced the classical mycological tests to quickly and accurately detect and/or differentiate molecular siblings in Sporothrix. Nearly all techniques available for molecular diagnosis of sporotrichosis involve PCR amplification, which is currently moving towards detecting Sporothrix DNA directly from clinical samples in multiplex qPCR assays. From an epidemiological perspective, genotyping is key to tracing back sources of Sporothrix infections, detecting diversity in outbreak areas, and thus uncovering finer-scale epidemiological patterns. Over the past decades, molecular epidemiological studies have provided essential information to policymakers regarding outbreak management. From high-to-low throughput genotyping methods, MLSA, AFLP, SSR, RAPD, PCR-RFLP, and WGS are available to assess the transmission dynamics and sporotrichosis expansion. This review discusses the trends in the molecular diagnosis of sporotrichosis, genotyping techniques applied in molecular epidemiological studies, and perspectives for the near future.
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Affiliation(s)
- Jamile Ambrósio de Carvalho
- Laboratory of Emerging Fungal Pathogens, Department of Microbiology, Immunology, and Parasitology, Discipline of Cellular Biology, Federal University of São Paulo (UNIFESP), São Paulo 04023062, Brazil; (J.A.d.C.); (R.C.M.); (Z.P.d.C.)
| | - Ruan Campos Monteiro
- Laboratory of Emerging Fungal Pathogens, Department of Microbiology, Immunology, and Parasitology, Discipline of Cellular Biology, Federal University of São Paulo (UNIFESP), São Paulo 04023062, Brazil; (J.A.d.C.); (R.C.M.); (Z.P.d.C.)
| | - Ferry Hagen
- Department of Medical Mycology, Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, 3584 CT Utrecht, The Netherlands;
- Institute for Biodiversity and Ecosystem Dynamics (IBED), University of Amsterdam, Sciencepark 904, 1098 XH Amsterdam, The Netherlands
- Department of Medical Microbiology, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
| | - Zoilo Pires de Camargo
- Laboratory of Emerging Fungal Pathogens, Department of Microbiology, Immunology, and Parasitology, Discipline of Cellular Biology, Federal University of São Paulo (UNIFESP), São Paulo 04023062, Brazil; (J.A.d.C.); (R.C.M.); (Z.P.d.C.)
- Department of Medicine, Discipline of Infectious Diseases, Federal University of São Paulo (UNIFESP), São Paulo 04023062, Brazil
| | - Anderson Messias Rodrigues
- Laboratory of Emerging Fungal Pathogens, Department of Microbiology, Immunology, and Parasitology, Discipline of Cellular Biology, Federal University of São Paulo (UNIFESP), São Paulo 04023062, Brazil; (J.A.d.C.); (R.C.M.); (Z.P.d.C.)
- Department of Medicine, Discipline of Infectious Diseases, Federal University of São Paulo (UNIFESP), São Paulo 04023062, Brazil
- Correspondence: ; Tel.: +55-1155764551 (ext. 1540)
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21
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Rodrigues AM, Gonçalves SS, de Carvalho JA, Borba-Santos LP, Rozental S, de Camargo ZP. Current Progress on Epidemiology, Diagnosis, and Treatment of Sporotrichosis and Their Future Trends. J Fungi (Basel) 2022; 8:jof8080776. [PMID: 35893145 PMCID: PMC9331723 DOI: 10.3390/jof8080776] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 07/14/2022] [Accepted: 07/16/2022] [Indexed: 01/19/2023] Open
Abstract
Sporotrichosis, a human and animal disease caused by Sporothrix species, is the most important implantation mycosis worldwide. Sporothrix taxonomy has improved in recent years, allowing important advances in diagnosis, epidemiology, and treatment. Molecular epidemiology reveals that S. brasiliensis remains highly prevalent during the cat-transmitted sporotrichosis outbreaks in South America and that the spread of S. brasiliensis occurs through founder effects. Sporothrix globosa and S. schenckii are cosmopolitan on the move, causing major sapronoses in Asia and the Americas, respectively. In this emerging scenario, one-health approaches are required to develop a creative, effective, and sustainable response to tackle the spread of sporotrichosis. In the 21st century, it has become vital to speciate Sporothrix, and PCR is the main pillar of molecular diagnosis, aiming at the detection of the pathogen DNA from clinical samples through multiplex assays, whose sensitivity reaches remarkably three copies of the target. The treatment of sporotrichosis can be challenging, especially after the emergence of resistance to azoles and polyenes. Alternative drugs arising from discoveries or repositioning have entered the radar of basic research over the last decade and point to several molecules with antifungal potential, especially the hydrazone derivatives with great in vitro and in vivo activities. There are many promising developments for the near future, and in this review, we discuss how these trends can be applied to the Sporothrix-sporotrichosis system to mitigate the advance of an emerging and re-emerging disease.
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Affiliation(s)
- Anderson Messias Rodrigues
- Laboratory of Emerging Fungal Pathogens, Department of Microbiology, Immunology, and Parasitology, Discipline of Cellular Biology, Federal University of São Paulo (UNIFESP), Sao Paulo 04023062, Brazil; (J.A.d.C.); (Z.P.d.C.)
- Department of Medicine, Discipline of Infectious Diseases, Federal University of São Paulo (UNIFESP), Sao Paulo 04023062, Brazil
- Correspondence: ; Tel.: +55-1155764551 (ext. 1540)
| | - Sarah Santos Gonçalves
- Infectious Diseases Postgraduate Program, Center for Research in Medical Mycology, Federal University of Espírito Santo (UFES), Vitoria 29043900, Brazil;
| | - Jamile Ambrósio de Carvalho
- Laboratory of Emerging Fungal Pathogens, Department of Microbiology, Immunology, and Parasitology, Discipline of Cellular Biology, Federal University of São Paulo (UNIFESP), Sao Paulo 04023062, Brazil; (J.A.d.C.); (Z.P.d.C.)
- Department of Medicine, Discipline of Infectious Diseases, Federal University of São Paulo (UNIFESP), Sao Paulo 04023062, Brazil
| | - Luana P. Borba-Santos
- Cell Biology and Parasitology Program, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro 21941902, Brazil; (L.P.B.-S.); (S.R.)
| | - Sonia Rozental
- Cell Biology and Parasitology Program, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro 21941902, Brazil; (L.P.B.-S.); (S.R.)
| | - Zoilo Pires de Camargo
- Laboratory of Emerging Fungal Pathogens, Department of Microbiology, Immunology, and Parasitology, Discipline of Cellular Biology, Federal University of São Paulo (UNIFESP), Sao Paulo 04023062, Brazil; (J.A.d.C.); (Z.P.d.C.)
- Department of Medicine, Discipline of Infectious Diseases, Federal University of São Paulo (UNIFESP), Sao Paulo 04023062, Brazil
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22
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Sporothrix brasiliensis and Feline Sporotrichosis in the Metropolitan Region of Rio de Janeiro, Brazil (1998–2018). J Fungi (Basel) 2022; 8:jof8070749. [PMID: 35887504 PMCID: PMC9325134 DOI: 10.3390/jof8070749] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 06/17/2022] [Accepted: 06/24/2022] [Indexed: 02/04/2023] Open
Abstract
Feline sporotrichosis is enzootic in different regions of Brazil, especially in Rio de Janeiro. This study compared the genotype profiles of Sporothrix sp. isolated from cats in Rio de Janeiro between 1998 and 2018 and evaluated their association with clinical and epidemiological characteristics. One hundred nineteen Sporothrix sp. isolates from a cohort of cats with sporotrichosis seen at INI/Fiocruz were included. Clinical and epidemiological data were obtained from the medical records of the animals. T3B PCR fingerprinting was used for molecular identification of the Sporothrix species. All isolates were characterized as Sporothrix brasiliensis, with the observation of low intraspecific variation in 31 isolates (31.3%). The interval between lesion onset and first medical visit at INI/Fiocruz, as well as treatment duration until clinical cure, was longer in cats from the first decade of the epizootic. In addition, the frequency of the variables “good general status” and “presence of lymphadenomegaly” was higher among cats whose strains did not exhibit intraspecific variation. So far, S. brasiliensis has been the only species identified in feline cases of sporotrichosis since the beginning of the epizootic in Rio de Janeiro at INI/Fiocruz.
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23
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Gremião IDF, Miranda LHMD, Pereira-Oliveira GR, Menezes RC, Machado ACDS, Rodrigues AM, Pereira SA. Advances and challenges in the management of feline sporotrichosis. Rev Iberoam Micol 2022; 39:61-67. [PMID: 35840526 DOI: 10.1016/j.riam.2022.05.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 05/18/2022] [Accepted: 05/23/2022] [Indexed: 12/12/2022] Open
Abstract
The domestic cat is the most susceptible host to Sporothrix infection, developing severe clinical forms. Few effective antifungal agents are available for treating feline sporotrichosis, and cases of treatment failure are common. Treatment success depends on cat health status, therapy-related factors, as well as social/economic issues, but it is mainly contingent upon the host-fungus interaction. The owner's adherence is critical and should be reinforced throughout the treatment to increase the chances of a successful outcome. The antifungal agents described for feline sporotrichosis are most often used in monotherapy regimens. Due to cases in which the treatment with itraconazole failed, the use of antifungal agents in combination should be considered to achieve synergy. The combination of itraconazole and potassium iodide represents an important option for the treatment of naïve cats presenting multiple cutaneous lesions, nasal mucosal lesions and/or respiratory signs, as well as for refractory cases. However, the therapeutic options for unsuccessfully treated cases are scarce. Therefore new options are needed, even more taking into account that there are many in vitro potential molecules not available for use in cats yet. More studies are necessary to correlate in vitro antifungal susceptibility tests results and the outcome of cats treated due to sporotrichosis. This review will briefly discuss both the antifungal drugs and treatment protocols used in cats with sporotrichosis, as well as the determinants of treatment failure.
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Affiliation(s)
- Isabella Dib Ferreira Gremião
- Laboratory of Clinical Research on Dermatozoonoses in Domestic Animals, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, Brazil.
| | | | - Gabriela Reis Pereira-Oliveira
- Laboratory of Clinical Research on Dermatozoonoses in Domestic Animals, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, Brazil
| | - Rodrigo Caldas Menezes
- Laboratory of Clinical Research on Dermatozoonoses in Domestic Animals, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, Brazil
| | - Ana Caroline de Sá Machado
- Laboratory of Clinical Research on Dermatozoonoses in Domestic Animals, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, Brazil
| | | | - Sandro Antonio Pereira
- Laboratory of Clinical Research on Dermatozoonoses in Domestic Animals, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, Brazil
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24
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Bernardes-Engemann AR, Almeida MDA, Bison I, Rabello VBDS, Ramos MLM, Pereira SA, Almeida-Paes R, de Lima Brasil AW, Zancopé-Oliveira RM. Anti-Sporothrix Antibody Detection in Domestic Cats as an Indicator of a Possible New Occurrence Area for Sporotrichosis in North Brazil. Mycopathologia 2022; 187:375-384. [PMID: 35778635 DOI: 10.1007/s11046-022-00644-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 05/30/2022] [Indexed: 11/29/2022]
Abstract
Feline sporotrichosis has emerged as an important public health issue in some countries, especially Brazil. Currently, zoonotic transmission of Sporothrix brasiliensis by domestic cats is the major sporotrichosis spread form throughout this country. Sporotrichosis in Brazil is a good model for the One Health concept application, which connects the environment, human and animal health. Under this thinking, the aim of this study was to investigate the seroprevalence of sporotrichosis in cats from Rolim de Moura, Rondônia, Brazil, using antibody detection by an ELISA test previously validated for human diagnosis. For the standardization of this test, 30 serum samples from cats with proven sporotrichosis and 11 sera from healthy cats were used. The assay showed 87% sensitivity and 100% specificity for the diagnosis of feline sporotrichosis. After the standardization, 202 serum samples from distinct cats from Rolim de Moura were evaluated. The test was positive in 63 (31.19%) cats from the studied area. A multivariate analysis revealed that living far from forest or agricultural areas as well as pure breed animals had higher odds ratios (3.157 and 2.281, respectively) for the presence of detectable levels of anti-Sporothrix antibodies. These results show the applicability of this assay in the detection of anti-Sporothrix antibodies in feline serum samples and point to a putative new occurrence area of urban sporotrichosis dispersing to the North region of Brazil.
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Affiliation(s)
- Andréa Reis Bernardes-Engemann
- Laboratório de Micologia, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil.
| | - Marcos de Abreu Almeida
- Laboratório de Micologia, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Ividy Bison
- Universidade Federal de Rondônia, Porto Velho, Rondônia, Brazil
| | - Vanessa Brito de Souza Rabello
- Laboratório de Micologia, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Mariana Lucy Mesquita Ramos
- Laboratório de Micologia, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil.,Laboratório de Biofísica de Fungos, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Sandro Antonio Pereira
- Laboratório de Pesquisa Clínica em Dermatozoonoses em Animais Domésticos, Instituto Nacional de Infectologia Evandro Chagas,, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Rodrigo Almeida-Paes
- Laboratório de Micologia, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Arthur Willian de Lima Brasil
- Universidade Federal de Rondônia, Porto Velho, Rondônia, Brazil.,Departamento de Morfologia, Universidade Federal da Paraíba, João Pessoa, Brazil
| | - Rosely Maria Zancopé-Oliveira
- Laboratório de Micologia, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
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25
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Morgado DS, Castro R, Ribeiro-Alves M, Corrêa-Moreira D, Castro-Alves J, Pereira SA, Menezes RC, Oliveira MME. Global distribution of animal sporotrichosis: a systematic review of Sporothrix sp. identified using molecular tools. CURRENT RESEARCH IN MICROBIAL SCIENCES 2022; 3:100140. [PMID: 35909607 PMCID: PMC9325896 DOI: 10.1016/j.crmicr.2022.100140] [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: 03/17/2022] [Revised: 05/16/2022] [Accepted: 05/17/2022] [Indexed: 11/06/2022] Open
Abstract
First systematic review that reports exclusively the geographic distribution of animal sporotrichosis in the world, focusing in molecular identification of these species. Scarcity of epidemiological studies in global areas. The importance of apply molecular tools to identify and monitor potential pathogens to improve one health concept.
Sporotrichosis is a subcutaneous mycosis caused by thermodimorphic fungi of the genus Sporothrix. The phenotypic and genotypic differences of the isolates within the genus Sporothrix have been associated with their geographic distribution, virulence capacity, or clinical manifestation of sporotrichosis. Therefore, it is crucial to identify the causative agent of sporotrichosis. However, there are few case reports and studies in animals compared to those in humans, despite the substantial increase in the number of cases of sporotrichosis by zoonotic transmission, especially in endemic areas. Considering the epidemiological importance, taxonomic evolution and worldwide distribution of these fungi in the last decade, there is interest in identifying the species of the genus Sporothrix in different regions of the world. This study aimed to analyze the geographic distribution of animal sporotrichosis in the world, caused by pathogenic species identified by use of molecular tools. This systematic review of articles from 2007 to 2021 analyzed the geographic distribution of species that cause sporotrichosis in cats, dogs and other animals. It demonstrated that the most identified species were S. brasiliensis, isolated from cats in Brazil and S. schenckii isolated from cats in Malaysia. We show the lack of studies in global areas and reinforce the need to use molecular tools to identify and monitor potential pathogens.
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26
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Tiburcio MA, Rocha AR, Romano RA, Inada NM, Bagnato VS, Carlos RM, Buzzá HH. In vitro evaluation of the cis-[Ru(phen) 2(pPDIp)] 2+⁎⁎ complex for antimicrobial photodynamic therapy against Sporothrix brasiliensis and Candida albicans. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2022; 229:112414. [PMID: 35276578 DOI: 10.1016/j.jphotobiol.2022.112414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 02/10/2022] [Accepted: 02/21/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Photodynamic therapy (PDT) activates a photosensitizer by visible light to generate cytotoxic oxygen species that lead to cell death. With proper illumination, PDT is often used in applications on superficial and sub-surface lesions. Sporotrichosis infection occurs by Sporothrix fungi which causes a skin wound, worsened by Candida albicans infections. This study investigated the photosensitizing efficiency of the Ru(phen)2(pPDIp)(PF6)2 complex, RupPDIp, against S. brasiliensis and C. albicans. MATERIAL AND METHODS RupPDIp efficiency against these fungi was tested using 450 nm (blue light and 36 J/cm2) and 525 nm (green light, 25.2 J/cm2) at 0.05-20 μM concentrations. To ensure PDT effectiveness, control groups were tested in the absence and in the presence of RupPDIp under light irradiation and in the dark. RESULTS RupPDIp eliminated both fungi at ≤5.0 μM. Green light showed the best results, eliminating S. brasiliensis and C. albicans colonies at RupPDIp 0.5 μM and 0.05 μM, respectively. CONCLUSION RupPDIp is a promising photosensitizer in aPDT, eliminating 106 CFU/mL of both fungi at 450 nm and 525 nm, with lower light doses and concentrations when treated with the green light compared to the blue light.
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Affiliation(s)
- M A Tiburcio
- Chemistry Department, Federal University of São Carlos, Brazil.
| | - A R Rocha
- São Carlos Institute of Physics, University of Sao Paulo, Brazil; PPG Biotec, Federal University of São Carlos, Brazil
| | - R A Romano
- São Carlos Institute of Physics, University of Sao Paulo, Brazil
| | - N M Inada
- São Carlos Institute of Physics, University of Sao Paulo, Brazil
| | - V S Bagnato
- São Carlos Institute of Physics, University of Sao Paulo, Brazil; Hagler Fellow, Texas A&M University, College Station, TX, USA
| | - R M Carlos
- Chemistry Department, Federal University of São Carlos, Brazil
| | - H H Buzzá
- São Carlos Institute of Physics, University of Sao Paulo, Brazil; Institute of Physics, Pontificia Universidad Católica de Chile, Santiago, Chile.
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27
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Rediguieri BC, da Cruz Bahiense I, de Carvalho JA, Leite GR, Falqueto A, Rodrigues AM, Gonçalves SS. Clinical, Epidemiological, and Epizootic Features of Sporothrix brasiliensis in Espírito Santo, Brazil. ECOHEALTH 2022; 19:124-134. [PMID: 35187612 DOI: 10.1007/s10393-022-01578-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 11/29/2021] [Accepted: 01/11/2022] [Indexed: 06/14/2023]
Abstract
We verified the clinical-epidemiological, microbiological, and molecular aspects of feline sporotrichosis in Espírito Santo, Brazil, as well as demonstrated the degree of reliability of the cytopathological examination in diagnosis, when compared to fungal culture. From March 2019 to April 2020, 154 suspicious cats were evaluated by collecting data and biological samples. The Cohen's kappa coefficient and the Chi-square independence defined the degree of agreement and the accuracy parameters, respectively. The interobserver agreement was high (Kappa coefficient = 0.96). Sensitivity, specificity, predictive (positive and negative), and accuracy values were 95.0, 97.0, 99.1, 84.2, and 95.5%, respectively. All isolates evaluated were identified as Sporothrix brasiliensis by species-specific PCR. A digital image bank (Padlet) was created with different types of clinical forms and positive slide profiles. We concluded that the cytopathological technique used demonstrated a high degree of reliability. We report an overwhelming occurrence of S. brasiliensis during epizooties in ES.
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Affiliation(s)
- Bruno Carneiro Rediguieri
- Department of Pathology, Center for Research in Medical Mycology (CIMM), Federal University of Espírito Santo - UFES, 1468, Marechal Campos Avenue, Vitória, Espírito Santo, CEP 29.040-090, Brazil
| | - Isabela da Cruz Bahiense
- Department of Pathology, Center for Research in Medical Mycology (CIMM), Federal University of Espírito Santo - UFES, 1468, Marechal Campos Avenue, Vitória, Espírito Santo, CEP 29.040-090, Brazil
| | - Jamile Ambrósio de Carvalho
- Laboratory of Emerging Fungal Pathogens, Department of Microbiology, Immunology, and Parasitology, Discipline of Cellular Biology, Federal University of São Paulo (UNIFESP), São Paulo, CEP 04.023-062, Brazil
| | - Gustavo Rocha Leite
- Department of Pathology, Center for Research in Medical Mycology (CIMM), Federal University of Espírito Santo - UFES, 1468, Marechal Campos Avenue, Vitória, Espírito Santo, CEP 29.040-090, Brazil
| | - Aloísio Falqueto
- Department of Pathology, Center for Research in Medical Mycology (CIMM), Federal University of Espírito Santo - UFES, 1468, Marechal Campos Avenue, Vitória, Espírito Santo, CEP 29.040-090, Brazil
| | - Anderson Messias Rodrigues
- Laboratory of Emerging Fungal Pathogens, Department of Microbiology, Immunology, and Parasitology, Discipline of Cellular Biology, Federal University of São Paulo (UNIFESP), São Paulo, CEP 04.023-062, Brazil
| | - Sarah Santos Gonçalves
- Department of Pathology, Center for Research in Medical Mycology (CIMM), Federal University of Espírito Santo - UFES, 1468, Marechal Campos Avenue, Vitória, Espírito Santo, CEP 29.040-090, Brazil.
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28
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Andrade EHP, Bastos CV, Silva AVD, Moreira SM, Costa TGDA, Salvato LA, Colombo SA, Oliveira CSFD, Soares DFDM, Keller KM, Azevedo MID. Household outbreak of sporotrichosis: towards the One Health approach. Rev Soc Bras Med Trop 2022; 55:e0021. [PMID: 35674554 PMCID: PMC9176722 DOI: 10.1590/0037-8682-0021-2022] [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: 01/14/2022] [Accepted: 03/25/2022] [Indexed: 11/22/2022] Open
Abstract
Although sporotrichosis requires a broad approach for control, few reports have described the relationship between the index case and secondary contacts. In the present work, we report an outbreak involving a woman, a dog, and two cats from the same household environment, including the clinical and epidemiological aspects and outcomes, and discuss the importance of a One Health approach to face this neglected disease. The joint efforts of professionals such as veterinarians and physicians are essential for early diagnosis and surveillance, which contributes to the rapid identification and control of zoonotic sporotrichosis outbreaks.
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Santi JP, Santos CRGR, dos Santos AS, Souza HJM. Intranasal clotrimazole spray 1% associated with oral itraconazole for nasal feline sporotrichosis: a case series. BRAZILIAN JOURNAL OF VETERINARY MEDICINE 2022; 44:e004821. [PMID: 35749092 PMCID: PMC9179194 DOI: 10.29374/2527-2179.bjvm004821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 05/11/2022] [Indexed: 11/22/2022] Open
Abstract
Feline sporotrichosis is a major clinical problem among cats in Brazil and is also a neglected, but important, public health issue, due to its zoonotic potential. The nasal clinical form of the disease is particularly challenging, having treatment refractoriness and clinical signs relapse as common features. This case series study aimed to preliminarily describe the effects of the azolic antifungal drug, clotrimazole, as a topical 1% solution spray, together with per os itraconazole on inducing disease remission, as well as treatment tolerability and safety. Medical records of the Feline Medicine Service from the Universidade Federal Rural do Rio de Janeiro were reviewed, and 7 feline patients met the inclusion criteria (confirmatory diagnostic reached, available follow-up records, and use of intranasal clotrimazole 1% solution -1 spray per nostril every 24 hours- as adjunctive therapy to itraconazole - 100 mg/cat per os every 24 hours). Among these, 4 had a history of treatment refractoriness done until then. Follow-up records included clinical evaluation, along with complementary tests and owner reports on tolerability and occurrence of adverse reactions. All patients have undergone clinical remission within 60 days. Tolerability were satisfactory, and adverse reactions were only found on complementary tests (hepatic enzyme elevation), without clinical repercussion. The intranasal use of 1% clotrimazole solution has shown as a promising adjunctive therapy to itraconazole for feline nasal sporotrichosis, even in previous refractory cases.
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Affiliation(s)
- Julia Possebon Santi
- Veterinarian, Resident, Programa de Residência em Medicina Veterinária – Clínica Médica dos Gatos Domésticos. Departamento de Medicina e Cirurgia Veterinária (DMCV), Instituto de Veterinária (IV), Universidade Federal Rural do Rio de Janeiro (UFRJ). Seropédica, RJ, Brazil.
- Correspondence Julia Possebon Santi Departamento de Medicina e Cirurgia Veterinária, Instituto de Veterinária, Universidade Federal Rural do Rio de Janeiro – UFRRJ Rodovia BR 465, Km 7, Campus Universitário, Bairro Zona Rural CEP 23897-000 - Seropédica (RJ), Brasil E-mail:
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Silva FS, Cunha SC, Moraes VA, Leite JS, Ferreira AM. Refractory feline sporotrichosis: a comparative analysis on the clinical, histopathological, and cytopathological aspects. PESQUISA VETERINÁRIA BRASILEIRA 2022. [DOI: 10.1590/1678-5150-pvb-6923] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
ABSTRACT: Sporotrichosis is a chronic fungal infection caused by Sporothrix species. The occurrence of cases that are resistant to long-term treatment, especially in the nasal planum of cats, emphasizes the importance of studying its pathogenesis. The purpose of this study was to analyze and compare the inflammatory process of cutaneous lesions of feline refractory sporotrichosis to clinical aspects through cytopathological and histopathological examination. Moreover, the study included 13 cats with cutaneous lesions that had been resistant to itraconazole treatment for more than a year. Cutaneous lesions samples were collected for cytopathological, histopathological, and fungal culture analyses. Tissue fragments were processed and stained with hematoxylin-eosin (HE) and Grocott methenamine silver (GMS). Further, two clinical presentations had the highest occurrence: the localized cutaneous form in animals with good general condition and stable disease (n=9, 69.2%) and the disseminated cutaneous form in cats with poor general condition (n=4, 30.8%). In cats with refractory sporotrichosis, the nasal planum (84.6%) was the most common location of lesions. In the cytopathological study, cats with fewer than two lesions and in good general condition (n=9, 69.2%) showed absence or mild yeast intensity (up to 5 yeasts per field), lower intensity of macrophages and neutrophils, and higher intensity of epithelioid cells, lymphocytes, plasma cells, and eosinophils. On the other hand, (n=4, 30.8%) of the cats with disseminated sporotrichosis and a poor general condition had a marked intensity of yeasts, which were mostly phagocytosed by an increased number of macrophages and neutrophils. Of those animals with good general condition, the majority (n=6, 66.7%) had higher eosinophil intensity. In histopathology, malformed suppurative granuloma was the predominant type (n=9, 69.2%) in feline sporotrichosis lesions, followed by well-formed granulomas (n=4, 30.8%). Malformed granulomas showed mild to moderate fungal intensity (55.6%) in animals with good general condition and localized lesions while marked fungal intensity (44.4%) in cats with the disseminated form of the disease and poor general condition. Well-formed granulomas (n=4, 30.7%) had mild to moderate intensity of fungal load, and 75% of the animals with this type of granuloma had only one lesion and were in good general condition. Long-term itraconazole treatment in these cats with refractory sporotrichosis can keep the infection under control and localized lesions stable; however, fungus reactivation can occur, resulting in an exuberant and inefficient immune response.
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Spanamberg A, Araujo R, Ravazzolo AP, Driemeier D, Driemeier RMS, Ferreiro L. Sporothrix brasiliensis on cats with skin ulcers in Southern Brazil. Med Mycol 2021; 59:301-304. [PMID: 32944733 DOI: 10.1093/mmy/myaa083] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 07/27/2020] [Accepted: 09/01/2020] [Indexed: 11/14/2022] Open
Abstract
Sporotrichosis is a disease caused by thermally dimorphic fungi belonging to the Sporothrix schenckii complex. We report the occurrence of multiple cases of sporotrichosis in cats in Porto Alegre (RS), Brazil, from 2015 to 2019. A set of 21 fungal isolates were collected and the partial sequence of calmodulin (CAL) gene compared. All isolates were identified at phenotypic and molecular level as S. brasiliensis. Phylogenetic analysis showed the isolates clustered in two distinct groups, suggesting the presence of multiple genetic variants of S. brasiliensis in the region.
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Affiliation(s)
- Andréia Spanamberg
- Setor de Micologia Veterinária, Departamento de Patologia Clínica Veterinária, UFRGS, Porto Alegre, RS, Brazil.,Programa de Pós-graduação em Ciências Veterinárias (PPGCV), UFRGS, Porto Alegre, RS, Brazil
| | - Ricardo Araujo
- i3S, Instituto de Investigação e Inovação em Saúde, Porto, Portugal.,Department of Medical Biotechnology, College of Medicine and Public Health, Flinders University of South Australia
| | - Ana Paulo Ravazzolo
- Laboratório de Imunologia e Biologia Molecular, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS). Av. Bento Gonçalves 9090, Porto Alegre, RS, Brazil
| | - David Driemeier
- Setor de Patologia Veterinária (SPV), Faculdade de Veterinária (FaVet), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil.,Programa de Pós-graduação em Ciências Veterinárias (PPGCV), UFRGS, Porto Alegre, RS, Brazil
| | | | - Laerte Ferreiro
- Setor de Micologia Veterinária, Departamento de Patologia Clínica Veterinária, UFRGS, Porto Alegre, RS, Brazil.,Programa de Pós-graduação em Ciências Veterinárias (PPGCV), UFRGS, Porto Alegre, RS, Brazil
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de Carvalho J, Beale M, Hagen F, Fisher M, Kano R, Bonifaz A, Toriello C, Negroni R, Rego RDM, Gremião I, Pereira S, de Camargo Z, Rodrigues A. Trends in the molecular epidemiology and population genetics of emerging Sporothrix species. Stud Mycol 2021; 100:100129. [PMID: 35027980 PMCID: PMC8693333 DOI: 10.1016/j.simyco.2021.100129] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Sporothrix (Ophiostomatales) comprises species that are pathogenic to humans and other mammals as well as environmental fungi. Developments in molecular phylogeny have changed our perceptions about the epidemiology, host-association, and virulence of Sporothrix. The classical agent of sporotrichosis, Sporothrix schenckii, now comprises several species nested in a clinical clade with S. brasiliensis, S. globosa, and S. luriei. To gain a more precise view of outbreaks dynamics, structure, and origin of genetic variation within and among populations of Sporothrix, we applied three sets of discriminatory AFLP markers (#3 EcoRI-GA/MseI-TT, #5 EcoRI-GA/MseI-AG, and #6 EcoRI-TA/MseI-AA) and mating-type analysis to a large collection of human, animal and environmental isolates spanning the major endemic areas. A total of 451 polymorphic loci were amplified in vitro from 188 samples, and revealed high polymorphism information content (PIC = 0.1765-0.2253), marker index (MI = 0.0001-0.0002), effective multiplex ratio (E = 15.1720-23.5591), resolving power (Rp = 26.1075-40.2795), discriminating power (D = 0.9766-0.9879), expected heterozygosity (H = 0.1957-0.2588), and mean heterozygosity (Havp = 0.000007-0.000009), demonstrating the effectiveness of AFLP markers to speciate Sporothrix. Analysis using the program structure indicated three genetic clusters matching S. brasiliensis (population 1), S. schenckii (population 2), and S. globosa (population 3), with the presence of patterns of admixture amongst all populations. AMOVA revealed highly structured clusters (PhiPT = 0.458-0.484, P < 0.0001), with roughly equivalent genetic variability within (46-48 %) and between (52-54 %) populations. Heterothallism was the exclusive mating strategy, and the distributions of MAT1-1 or MAT1-2 idiomorphs were not significantly skewed (1:1 ratio) for S. schenckii (χ2 = 2.522; P = 0.1122), supporting random mating. In contrast, skewed distributions were found for S. globosa (χ2 = 9.529; P = 0.0020) with a predominance of MAT1-1 isolates, and regional differences were highlighted for S. brasiliensis with the overwhelming occurrence of MAT1-2 in Rio de Janeiro (χ2 = 14.222; P = 0.0002) and Pernambuco (χ2 = 7.364; P = 0.0067), in comparison to a higher prevalence of MAT1-1 in the Rio Grande do Sul (χ2 = 7.364; P = 0.0067). Epidemiological trends reveal the geographic expansion of cat-transmitted sporotrichosis due to S. brasiliensis via founder effect. These data support Rio de Janeiro as the centre of origin that has led to the spread of this disease to other regions in Brazil. Our ability to reconstruct the source, spread, and evolution of the ongoing outbreaks from molecular data provides high-quality information for decision-making aimed at mitigating the progression of the disease. Other uses include surveillance, rapid diagnosis, case connectivity, and guiding access to appropriate antifungal treatment.
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Affiliation(s)
- J.A. de Carvalho
- Laboratory of Emerging Fungal Pathogens, Department of Microbiology, Immunology, and Parasitology, Discipline of Cellular Biology, Federal University of São Paulo (UNIFESP), São Paulo, 04023062, Brazil
- Department of Medicine, Discipline of Infectious Diseases, Federal University of São Paulo (UNIFESP), São Paulo, 04023062, Brazil
| | - M.A. Beale
- Parasites and Microbes Programme, Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire, CB10 1SA, UK
| | - F. 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
| | - M.C. Fisher
- MRC Center for Global Infectious Disease Analysis, Department of Infectious Disease Epidemiology, School of Public Health, Imperial College London, London W2 1PG, UK
| | - R. Kano
- Department of Veterinary Dermatology, Nihon University College of Bioresource Sciences, Fujisawa, Kanagawa, Japan
| | - A. Bonifaz
- Dermatology Service, Mycology Department, Hospital General de México, "Dr. Eduardo Liceaga", Mexico City, Mexico
| | - C. Toriello
- Departamento de Microbiología-Parasitología, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), 04510, Mexico City, Mexico
| | - R. Negroni
- Mycology Unit of the Infectious Diseases Hospital F.J. Muñiz, Reference Center of Mycology of Buenos Aires City, Buenos Aires, Argentina
| | - R.S. de M. Rego
- Mycology Division, Associate Pathologists of Pernambuco, Recife, Brazil
| | - I.D.F. Gremião
- Laboratory of Clinical Research on Dermatozoonoses in Domestic Animals, Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - S.A. Pereira
- Laboratory of Clinical Research on Dermatozoonoses in Domestic Animals, Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - Z.P. de Camargo
- Laboratory of Emerging Fungal Pathogens, Department of Microbiology, Immunology, and Parasitology, Discipline of Cellular Biology, Federal University of São Paulo (UNIFESP), São Paulo, 04023062, Brazil
- Department of Medicine, Discipline of Infectious Diseases, Federal University of São Paulo (UNIFESP), São Paulo, 04023062, Brazil
| | - A.M. Rodrigues
- Laboratory of Emerging Fungal Pathogens, Department of Microbiology, Immunology, and Parasitology, Discipline of Cellular Biology, Federal University of São Paulo (UNIFESP), São Paulo, 04023062, Brazil
- Department of Medicine, Discipline of Infectious Diseases, Federal University of São Paulo (UNIFESP), São Paulo, 04023062, Brazil
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Clinical and epidemiological aspects of feline sporotrichosis caused by Sporothrix brasiliensis and in vitro antifungal susceptibility. Vet Res Commun 2021; 45:171-179. [PMID: 34129207 DOI: 10.1007/s11259-021-09795-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 05/03/2021] [Indexed: 01/19/2023]
Abstract
Sporotrichosis is a subcutaneous mycosis resulting from the traumatic implantation of pathogenic Sporothrix species. In Brazil, zoonotic transmission plays an important role in the epidemiology of the disease, involving especially cats. The objective of this study was to isolate Sporothrix spp. from cats with signs of sporotrichosis, determining the causative species, clinical and epidemiological aspects, and the in vitro susceptibility profile of the isolates against antifungal drugs. From September 2017 to February 2019, 245 samples of lesions were collected from symptomatic cats in São José do Rio Preto, Brazil. Identification of the isolates was performed by morphophysiological parameters and species-specific polymerase chain reaction. The susceptibility profile of the isolates was determined for five drugs (amphotericin B, itraconazole, ketoconazole, potassium iodide and terbinafine), using the broth microdilution method. Clinical and epidemiological aspects were analyzed based on data contained on investigation forms filled by the veterinarians at moment of collection. Sporothrix spp. were isolated in 189 (77.2%) of the samples. Phenotypic and molecular analyses revealed S. brasiliensis as the only causative agent. In vitro susceptibility testing showed lower MIC values for terbinafine (MIC = 0.03-2 μg/ml), ketoconazole (MIC = 0.03-2 μg/ml), and itraconazole (MIC = 0.03-4 μg/ml). Most of the animals were male (73.5%), adults (96.3%), stray (53.5%), and uncastrated (69.8%). Our results show the expansion of the S. brasiliensis epidemic to an area nearly 840 km apart from the epicenter of the long-lasting outbreak of cat-transmitted sporotrichosis in Rio de Janeiro.
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Antifungal activity of Acylhydrazone derivatives against Sporothrix spp. Antimicrob Agents Chemother 2021; 65:AAC.02593-20. [PMID: 33593845 PMCID: PMC8092869 DOI: 10.1128/aac.02593-20] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Sporotrichosis is an emerging mycosis caused by members of the genus Sporothrix The disease affects humans and animals, particularly cats, which plays an important role in the zoonotic transmission. Feline sporotrichosis treatment options include itraconazole (ITC), potassium iodide and amphotericin B, drugs usually associated with deleterious adverse reactions and refractoriness in cats, especially when using ITC. Thus, affordable, non-toxic and clinically effective anti-Sporothrix agents are needed. Recently, acylhydrazones (AH), molecules targeting vesicular transport and cell cycle progression, exhibited a potent antifungal activity against several fungal species and displayed low toxicity when compared to the current drugs. In this work, the AH derivatives D13 and SB-AF-1002 were tested against Sporothrix schenckii and Sporothrix brasiliensis Minimal inhibitory concentrations of 0.12 - 1 μg/mL were observed for both species in vitro D13 and SB-AF-1002 showed an additive effect with itraconazole. Treatment with D13 promoted yeast disruption with release of intracellular components, as confirmed by transmission electron microscopy of S. brasiliensis exposed to the AH derivatives. AH-treated cells displayed thickening of the cell wall, discontinuity of the cell membrane and an intense cytoplasmic degeneration. In a murine model of sporotrichosis, treatment with AH derivatives was more efficient than ITC, the drug of choice for sporotrichosis. The results of the preliminary clinical study in cats indicate that D13 is safe and has potential to become a therapeutic option for sporotrichosis when associated to ITC. Our results expand the antifungal broadness of AH derivatives and suggest that these drugs could be exploited to combat sporotrichosis.
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Abstract
Sporothrix schenckii sensu lato is currently recognized as a species complex with only Sporothrix brasiliensis, Sporothrix schenckii sensu stricto, Sporothrix globosa and Sporothrix pallida identified to cause disease in the cat. Feline sporotrichosis in Asia is mainly reported from Malaysia where a single clonal strain of clinical clade D, Sporothrix schenckii sensu stricto manifesting low susceptibility to major antifungal classes, has been identified as the agent of the disease. Sporothrix globosa has been identified to cause disease from a single cat in Japan while the specific species of agent has not been identified yet for the disease in Thailand. Despite efforts to elucidate and describe the pathogenicity of the agent and the disease it causes, the paucity of data highlights the need for further molecular epidemiological studies to characterize this fungus and the disease it causes in Asia. Its prognosis remains guarded to poor due to issues pertaining to cost, protracted treatment course, zoonotic potential and low susceptibility of some strains to antifungals.
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Affiliation(s)
- Hock Siew Han
- Vetderm Animal Skin and Ear Specialist Clinic, 9-1 JLN 23/70A, Plaza Crystalville 1, Desa Sri Hartamas, 50480, Kuala Lumpur, Malaysia.
| | - Rui Kano
- Department of Veterinary Dermatology, Nihon University College of Bioresource Sciences, 1866 Kameino, Fujisawa, Kanagawa, 252-0880, Japan
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Gremião IDF, Martins da Silva da Rocha E, Montenegro H, Carneiro AJB, Xavier MO, de Farias MR, Monti F, Mansho W, de Macedo Assunção Pereira RH, Pereira SA, Lopes-Bezerra LM. Guideline for the management of feline sporotrichosis caused by Sporothrix brasiliensis and literature revision. Braz J Microbiol 2021; 52:107-124. [PMID: 32990922 PMCID: PMC7966609 DOI: 10.1007/s42770-020-00365-3] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Accepted: 08/10/2020] [Indexed: 02/06/2023] Open
Abstract
We herein present a Brazilian guideline for the management of feline sporotrichosis, a mycosis caused by Sporothrix brasiliensis. This guideline is an effort of a national technical group organized by the Working Group on Sporothrix and Sporotrichosis of the International Society for Human and Animal Mycology (ISHAM). This publication intends to provide information on clinical-epidemiological aspects of this zoonosis, as well as a literature revision. Moreover, it gives some practical information on diagnosis and treatment of feline sporotrichosis. It also contains information that can be helpful for the prevention and control of S. brasiliensis transmission.
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Affiliation(s)
- Isabella Dib Ferreira Gremião
- Laboratório de Pesquisa Clínica em Dermatozoonoses em Animais Domésticos, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro. Av. Brasil 4365, Manguinhos, Rio de Janeiro, RJ, 21040-900, Brazil.
| | | | - Hildebrando Montenegro
- Laboratório de Diagnóstico de Zoonoses, Divisão de Vigilância de Zoonoses (COVISA/SMS/PMSP), São Paulo, Brazil
| | - Aroldo José Borges Carneiro
- Secretaria Municipal da Saúde de Salvador (SMS), Salvador, Brazil
- Instituto de Saúde Coletiva (ISC), Universidade Federal da Bahia (UFBA), Salvador, Bahia, Brazil
| | - Melissa Orzechowski Xavier
- Laboratório de Micologia, Faculdade de Medicina, Universidade Federal do Rio Grande (FURG), Rio Grande do Sul, Brazil
| | | | - Fabiana Monti
- Pós-graduação em Ciência Animal, Pontifícia Universidade Católica do Paraná (PUCPR), Curitiba, Brazil
| | - Wilson Mansho
- Centro de Controle de Zoonoses (CCZ), Secretaria Municipal de Saúde de Guarulhos, São Paulo, Brazil
| | | | - Sandro Antonio Pereira
- Laboratório de Pesquisa Clínica em Dermatozoonoses em Animais Domésticos, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro. Av. Brasil 4365, Manguinhos, Rio de Janeiro, RJ, 21040-900, Brazil
| | - Leila M Lopes-Bezerra
- BIDiagnostics, Centro de Inovação, Empreendedorismo e Tecnologia (CIETEC)/Universidade de São Paulo, São Paulo, Brazil
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Etchecopaz A, Toscanini MA, Gisbert A, Mas J, Scarpa M, Iovannitti CA, Bendezú K, Nusblat AD, Iachini R, Cuestas ML. Sporothrix Brasiliensis: A Review of an Emerging South American Fungal Pathogen, Its Related Disease, Presentation and Spread in Argentina. J Fungi (Basel) 2021; 7:jof7030170. [PMID: 33652625 PMCID: PMC7996880 DOI: 10.3390/jof7030170] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 02/19/2021] [Accepted: 02/23/2021] [Indexed: 12/19/2022] Open
Abstract
Sporotrichosis, caused by Sporothrix schenckii and related species, is the most frequent implantation mycosis in Latin America. In Argentina, over the last 8 years, there have been 0.16 new cases per month of feline sporotrichosis in 2011, increasing to 0.75 cases per month in 2019 and involving zoonotic transmission to humans. Molecular identification by polymerase chain reaction (PCR) detected Sporothrix brasiliensis in these feline and zoonotic outbreaks. This study will focus on different feline and human sporotrichosis outbreaks caused by S. brasiliensis in Argentina during 2011–2019. We will address the sources of infection and environmental hotspots, as well as the application of several treatment strategies for improving the pharmacotherapy of the different clinical forms of the disease. Finally, we will provide a detailed summary of the clinical aspects and new advances in host–pathogen interactions, virulence factors and immune response, focusing on state-of-the-art diagnostic tools and potential vaccine candidates.
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Affiliation(s)
- Alejandro Etchecopaz
- Cátedra de Enfermedades Infecciosas, Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, Buenos Aires C1427 CWN, Argentina; (A.E.); (M.S.)
| | - María A. Toscanini
- Instituto de Nanobiotecnología (Nanobiotec), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad de Buenos Aires, Buenos Aires C1113 AAD, Argentina; (M.A.T.); (A.D.N.)
| | - Amelia Gisbert
- Cátedra de Clínica Médica, Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, Buenos Aires C1427 CWN, Argentina; (A.G.); (J.M.)
| | - Javier Mas
- Cátedra de Clínica Médica, Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, Buenos Aires C1427 CWN, Argentina; (A.G.); (J.M.)
| | - Miguel Scarpa
- Cátedra de Enfermedades Infecciosas, Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, Buenos Aires C1427 CWN, Argentina; (A.E.); (M.S.)
| | - Cristina A. Iovannitti
- Centro de Micología, Instituto de Investigaciones en Microbiología y Parasitología Médica (IMPaM), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad de Buenos Aires, Buenos Aires C1121ABG, Argentina; (C.A.I.); (K.B.)
| | - Karla Bendezú
- Centro de Micología, Instituto de Investigaciones en Microbiología y Parasitología Médica (IMPaM), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad de Buenos Aires, Buenos Aires C1121ABG, Argentina; (C.A.I.); (K.B.)
| | - Alejandro D. Nusblat
- Instituto de Nanobiotecnología (Nanobiotec), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad de Buenos Aires, Buenos Aires C1113 AAD, Argentina; (M.A.T.); (A.D.N.)
| | - Ricardo Iachini
- Instituto de Zoonosis «Luis Pasteur», Buenos Aires C1405 DCD, Argentina;
| | - María L. Cuestas
- Cátedra de Enfermedades Infecciosas, Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, Buenos Aires C1427 CWN, Argentina; (A.E.); (M.S.)
- Centro de Micología, Instituto de Investigaciones en Microbiología y Parasitología Médica (IMPaM), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad de Buenos Aires, Buenos Aires C1121ABG, Argentina; (C.A.I.); (K.B.)
- Correspondence: ; Tel.: +54-11-59509500 (ext. 2176/77)
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Skin Fungal Infections in Children: Diagnostic Challenges. CURRENT FUNGAL INFECTION REPORTS 2020. [DOI: 10.1007/s12281-020-00407-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Rossow JA, Queiroz-Telles F, Caceres DH, Beer KD, Jackson BR, Pereira JG, Ferreira Gremião ID, Pereira SA. A One Health Approach to Combatting Sporothrix brasiliensis: Narrative Review of an Emerging Zoonotic Fungal Pathogen in South America. J Fungi (Basel) 2020; 6:E247. [PMID: 33114609 PMCID: PMC7712324 DOI: 10.3390/jof6040247] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 10/20/2020] [Accepted: 10/21/2020] [Indexed: 12/21/2022] Open
Abstract
Cat-transmitted sporotrichosis caused by Sporothrix brasiliensis has become a major public health concern and presents a distinct divergence from the traditional epidemiology of sporotrichosis. This emerging fungal pathogen spreads readily among cat populations, and human infections occur exclusively via zoonotic transmission. While sporotrichosis is an implantation mycosis that typically manifests as cutaneous lesions in humans and cats, severe extracutaneous manifestations are more common with S. brasiliensis than other Sporothrix species infections. Rapid diagnosis and appropriate treatment regimens are critical for successful clinical resolution of sporotrichosis in both cats and humans. Species-level identification of Sporothrix is possible with molecular diagnostics and necessary for tracking the geographic expansion of S. brasiliensis and better understanding its epidemiology. Combatting cat-transmitted sporotrichosis requires a One Health approach to successfully implement public health control measures.
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Affiliation(s)
- John A. Rossow
- Mycotic Diseases Branch, Centers for Disease Control and Prevention, Atlanta, GA 30329, USA; (J.A.R.); (D.H.C.); (K.D.B.)
- Epidemic Intelligence Service, Centers for Disease Control and Prevention, Atlanta, GA 30329, USA
| | - Flavio Queiroz-Telles
- Department of Public Health, Hospital de Cíinicas, Federal University of Parana, Curitiba 82015-154, Brazil;
| | - Diego H. Caceres
- Mycotic Diseases Branch, Centers for Disease Control and Prevention, Atlanta, GA 30329, USA; (J.A.R.); (D.H.C.); (K.D.B.)
- Center of Expertise in Mycology, Radboudumc/CWZ, 6532 SZ Nijmegen, The Netherlands
| | - Karlyn D. Beer
- Mycotic Diseases Branch, Centers for Disease Control and Prevention, Atlanta, GA 30329, USA; (J.A.R.); (D.H.C.); (K.D.B.)
| | - Brendan R. Jackson
- Mycotic Diseases Branch, Centers for Disease Control and Prevention, Atlanta, GA 30329, USA; (J.A.R.); (D.H.C.); (K.D.B.)
| | - Jose Guillermo Pereira
- Ministry of Public Health and Social Welfare, National Leprosy Control Program, National Directorate of Health Surveillance, Dermatology Specialty Center, San Lorenzo 2160, Paraguay;
| | - Isabella Dib Ferreira Gremião
- Laboratory of Clinical Research on Dermatozoonoses in Domestic Animals, Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro 21040-360, Brazil; (I.D.F.G.); (S.A.P.)
| | - Sandro Antonio Pereira
- Laboratory of Clinical Research on Dermatozoonoses in Domestic Animals, Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro 21040-360, Brazil; (I.D.F.G.); (S.A.P.)
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Gonsales F, Fernandes N, Mansho W, Montenegro H, Benites N. Direct PCR of lesions suggestive of sporotrichosis in felines. ARQ BRAS MED VET ZOO 2020. [DOI: 10.1590/1678-4162-11743] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Affiliation(s)
| | | | - W. Mansho
- Centro de Controle de Zoonoses de Guarulhos, Brazil
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Parreiras de Jesus AC, Grossi de Oliveira AL, Sernizon Guimarães N, Mendoza L, Toshio Fujiwara R, Alves da Silva Menezes C, Rocha Vilela RV. Serological tests using Sporothrix species antigens for the accurate diagnosis of sporotrichosis: a meta-analysis. Diagn Microbiol Infect Dis 2020; 98:115131. [PMID: 32805583 DOI: 10.1016/j.diagmicrobio.2020.115131] [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: 05/22/2020] [Revised: 07/02/2020] [Accepted: 07/05/2020] [Indexed: 10/23/2022]
Abstract
Some species of the fungus Sporothrix cause a chronic granulomatous infection in humans and animals called sporotrichosis. In the last decades, some research into serological tests has been carried out by different groups for the rapid detection of this infection. We performed a systematic review of the literature with meta-analysis to evaluate studies using Sporothrix spp. antigens and to evaluate their accuracy for sporotrichosis diagnostic. We searched Scopus, MEDLINE, Web of Science, GALE, Technology Research Database, DOA, Elsevier, SciELO, and Google Scholar Databases. The united results of sensitivity, specificity, positive and negative likelihood ratios, and diagnostic odds ratio with their corresponding 95% confidence intervals (CI) were assessed. A total of 15 assays from 8 studies using 7 different serological methods and 8 different antigens were analyzed. The studies were performed in the USA, Brazil, and Venezuela from 1973 until 2015 and presented good quality. A high heterogeneity for sensitivity [I2 = 90.7%; 87% CI = (84-89), P < 0.001] and specificity [I2 = 89.2%; 93% CI = (92-95), P < 0.001] was observed. The performance of diagnostic tests was 0.93. Enzyme-linked immunosorbent assay was the main tool used, and the ConA-binding fraction antigen of the strain 1099-18 appears as a promising diagnostic biomarker candidate.
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Affiliation(s)
- Augusto César Parreiras de Jesus
- Infectious Diseases and Tropical Medicine, Faculty of Medicine, Federal University of Minas Gerais, Av. Prof. Alfredo Balena, 190, Belo Horizonte, MG, Brazil, 30130-10.
| | - Ana Laura Grossi de Oliveira
- Infectious Diseases and Tropical Medicine, Faculty of Medicine, Federal University of Minas Gerais, Av. Prof. Alfredo Balena, 190, Belo Horizonte, MG, Brazil, 30130-10.
| | - Nathalia Sernizon Guimarães
- Infectious Diseases and Tropical Medicine, Faculty of Medicine, Federal University of Minas Gerais, Av. Prof. Alfredo Balena, 190, Belo Horizonte, MG, Brazil, 30130-10.
| | - Leonel Mendoza
- Department of Microbiology and Molecular Genetics, 322 North Kedzie Hall, Michigan State University, East Lansing, MI, USA, 48824.
| | - Ricardo Toshio Fujiwara
- Infectious Diseases and Tropical Medicine, Faculty of Medicine, Federal University of Minas Gerais, Av. Prof. Alfredo Balena, 190, Belo Horizonte, MG, Brazil, 30130-10; Department of Parasitology, Biological Sciences Institute, Federal University of Minas Gerais, Av. Antônio Carlos, 6627 Pampulha, Belo Horizonte, MG, Brazil, 31270-901.
| | - Cristiane Alves da Silva Menezes
- Department of Clinical and Toxicological Analysis, Faculty of Pharmacy, Federal University of Minas Gerais, Av. Antônio Carlos, 6627 Pampulha, Belo Horizonte, MG, Brazil, 31270-901.
| | - Raquel Virginia Rocha Vilela
- Infectious Diseases and Tropical Medicine, Faculty of Medicine, Federal University of Minas Gerais, Av. Prof. Alfredo Balena, 190, Belo Horizonte, MG, Brazil, 30130-10; Department of Clinical and Toxicological Analysis, Faculty of Pharmacy, Federal University of Minas Gerais, Av. Antônio Carlos, 6627 Pampulha, Belo Horizonte, MG, Brazil, 31270-901.
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Feline sporotrichosis: a case series of itraconazole-resistant Sporothrix brasiliensis infection. Braz J Microbiol 2020; 52:163-171. [PMID: 32388779 DOI: 10.1007/s42770-020-00290-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Accepted: 04/30/2020] [Indexed: 12/15/2022] Open
Abstract
The treatment of feline sporotrichosis is a challenge for veterinary clinicians since refractory cases may occur, due either to patient and/or to pharmacological management errors or due to the development of antifungal resistance. Thus, we aimed to describe the therapeutic history of feline cases infected by itraconazole-resistant Sporothrix brasiliensis in an endemic region of Southern Brazil. Medical records of cats attended at the Veterinary Clinic Hospital (Pelotas/RS, Brazil) between 2016 and 2017 were reviewed. Twelve cases of infection by S. brasiliensis with that showed high minimum inhibitory concentration (MIC) values (≥ 4 μg/mL) to itraconazole by M38-A2 of CLSI were selected. At the hospital consultation, disseminated (cats 1-l0, 12) and localized (cat 11) skin lesions remained in the cats, even after treatment with fluconazole, ketoconazole (02/12), and itraconazole (ITZ, 09/12) performed before this study. High doses (25-100 mg/kg/day) of ITZ for up to 4 months (03/12, cats 2, 6, 12) or over 12 months (05/12, cats 1, 5, 7, 8, 11) did not provide a clinical cure, except for the association of ITZ plus potassium iodide (01/12, cat 12) for 3 months, which proved useful in infections with itraconazole-resistant S. brasiliensis. However, the combined issues of abandonment of therapy by owners for financial reasons, difficulties surrounding therapy administration (03/12, cats 6, 11, 12), and the inappropriate choice of medication (01/12, cat 6), together reflect the reality of this endemic region, which greatly compromises clinical healing. This study highlighted the occurrence of refractory cases by itraconazole-resistant S. brasiliensis in cats from Southern Brazil, as well as the abandonment of treatment and therapeutic errors. We warn of the need for antifungal susceptibility tests to adapt therapeutic protocols in feline sporotrichosis.
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Macêdo-Sales PA, Souza LOP, Della-Terra PP, Lozoya-Pérez NE, Machado RLD, Rocha EMDSD, Lopes-Bezerra LM, Guimarães AJ, Rodrigues AM, Mora-Montes HM, Santos ALSD, Baptista ARDS. Coinfection of domestic felines by distinct Sporothrix brasiliensis in the Brazilian sporotrichosis hyperendemic area. Fungal Genet Biol 2020; 140:103397. [PMID: 32325170 DOI: 10.1016/j.fgb.2020.103397] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Revised: 04/13/2020] [Accepted: 04/17/2020] [Indexed: 12/14/2022]
Abstract
Microbial interactions may impact patient's diagnosis, prognosis and treatment. Sporotrichosis is a hyperendemic neglected zoonosis in Brazil, caused by Sporothrix brasiliensis. Four pairs of clinical isolates of Sporothrix were recovered from four diseased cats (CIM01-CIM04, two isolates per animal) raising the possibility of coinfection in a sporotrichosis hyperendemic area, Brazil. Each isolate of the pair had distinct pigmentation in mycological culture, and was designated as "Light" or "Dark", for low and high pigmentation, respectively. Dark isolates reacted strongly with monoclonal antibodies to melanin (p ≤ 0.05) by both ELISA and FACS quantitation, and displayed a ring pattern with some regions exhibiting higher punctuated labeling at cell wall by immunofluorescence. In turn, Light isolates reacted less intensely, with few and discrete punctuated labeling at the cell wall. PCR identified all isolates as S. brasiliensis, MAT1-2 idiomorph. Sequencing of β-tubulin and calmodulin genes followed by phylogenetic analysis placed all eight isolates within the same cluster as others from the Brazilian hyperendemic area. The ability of these strains to stimulate cytokine production by human PBMCs (Peripheral blood mononuclear cells) was also analyzed. CIM01 and CIM03 Light and Dark isolates showed similar cytokine profiles to the control strain, while CIM02 and CIM04 behaved differently (p < 0.001), suggesting that differences in the surface of the isolates can influence host-fungus interaction. MICs for amphotericin B, terbinafine, caspofungin, micafungin, itraconazole, fluconazole, and voriconazole were obtained (CLSI M38-A2/M27-A3). Pairwise comparisons showed distinct MICs between Sporothrix Light and Dark isolates, higher than at least two-fold dilutions, to at least one of the antifungals tested. Isolates from the same pair displayed discrepancies in relation to fungistatic or fungicidal drug activity, notably after itraconazole exposure. Since S. brasiliensis Light and Dark isolates show disparate phenotypic parameters it is quite possible that coinfection represents a common occurrence in the hyperendemic area, with potential clinical implications on feline sporotrichosis dynamics. Alternatively, future studies will address if this specie may have, as reported for other fungi, broad phenotypic plasticity.
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Affiliation(s)
| | - Lucieri Olegario Pereira Souza
- Laboratory of Advanced Studies of Emerging and Resistant Microorganisms, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Paula Portella Della-Terra
- Laboratory of Emerging Fungal Pathogens, Department of Microbiology, Immunology and Parasitology, Federal University of São Paulo, São Paulo, SP, Brazil
| | - Nancy Edith Lozoya-Pérez
- Department of Biology, Division of Exact and Natural Sciences, Universidad de Guanajuato, Gto, Mexico
| | | | | | | | - Allan Jefferson Guimarães
- Department of Microbiology and Parasitology, Biomedical Institute, Federal Fluminense University, Niterói, RJ, Brazil
| | - Anderson Messias Rodrigues
- Laboratory of Emerging Fungal Pathogens, Department of Microbiology, Immunology and Parasitology, Federal University of São Paulo, São Paulo, SP, Brazil
| | - Héctor Manuel Mora-Montes
- Department of Biology, Division of Exact and Natural Sciences, Universidad de Guanajuato, Gto, Mexico
| | - André Luis Souza Dos Santos
- Laboratory of Advanced Studies of Emerging and Resistant Microorganisms, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
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Boniche C, Rossi SA, Kischkel B, Vieira Barbalho F, Nogueira D’Aurea Moura Á, Nosanchuk JD, Travassos LR, Pelleschi Taborda C. Immunotherapy against Systemic Fungal Infections Based on Monoclonal Antibodies. J Fungi (Basel) 2020; 6:jof6010031. [PMID: 32121415 PMCID: PMC7151209 DOI: 10.3390/jof6010031] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2020] [Revised: 02/22/2020] [Accepted: 02/25/2020] [Indexed: 12/17/2022] Open
Abstract
The increasing incidence in systemic fungal infections in humans has increased focus for the development of fungal vaccines and use of monoclonal antibodies. Invasive mycoses are generally difficult to treat, as most occur in vulnerable individuals, with compromised innate and adaptive immune responses. Mortality rates in the setting of our current antifungal drugs remain excessively high. Moreover, systemic mycoses require prolonged durations of antifungal treatment and side effects frequently occur, particularly drug-induced liver and/or kidney injury. The use of monoclonal antibodies with or without concomitant administration of antifungal drugs emerges as a potentially efficient treatment modality to improve outcomes and reduce chemotherapy toxicities. In this review, we focus on the use of monoclonal antibodies with experimental evidence on the reduction of fungal burden and prolongation of survival in in vivo disease models. Presently, there are no licensed monoclonal antibodies for use in the treatment of systemic mycoses, although the potential of such a vaccine is very high as indicated by the substantial promising results from several experimental models.
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Affiliation(s)
- Camila Boniche
- Biomedical Sciences Institute, Department of Microbiology, University of São Paulo, Sao Paulo 05508-000, Brazil; (C.B.); (S.A.R.); (B.K.); (F.V.B.)
| | - Suélen Andreia Rossi
- Biomedical Sciences Institute, Department of Microbiology, University of São Paulo, Sao Paulo 05508-000, Brazil; (C.B.); (S.A.R.); (B.K.); (F.V.B.)
| | - Brenda Kischkel
- Biomedical Sciences Institute, Department of Microbiology, University of São Paulo, Sao Paulo 05508-000, Brazil; (C.B.); (S.A.R.); (B.K.); (F.V.B.)
| | - Filipe Vieira Barbalho
- Biomedical Sciences Institute, Department of Microbiology, University of São Paulo, Sao Paulo 05508-000, Brazil; (C.B.); (S.A.R.); (B.K.); (F.V.B.)
| | - Ágata Nogueira D’Aurea Moura
- Tropical Medicine Institute, Department of Dermatology, Faculty of Medicine, University of Sao Paulo, Sao Paulo 05403-000, Brazil;
| | - Joshua D. Nosanchuk
- Departments of Medicine (Division of Infectious Diseases) and Microbiology and Immunology, Albert Einstein College of Medicine, New York, NY 10461, USA;
| | - Luiz R. Travassos
- Department of Microbiology, Immunology and Parasitology, Federal University of São Paulo, Sao Paulo 04021-001, Brazil;
| | - Carlos Pelleschi Taborda
- Biomedical Sciences Institute, Department of Microbiology, University of São Paulo, Sao Paulo 05508-000, Brazil; (C.B.); (S.A.R.); (B.K.); (F.V.B.)
- Tropical Medicine Institute, Department of Dermatology, Faculty of Medicine, University of Sao Paulo, Sao Paulo 05403-000, Brazil;
- Correspondence:
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Makri N, Paterson GK, Gregge F, Urquhart C, Nuttall T. First case report of cutaneous sporotrichosis ( Sporothrix species) in a cat in the UK. JFMS Open Rep 2020; 6:2055116920906001. [PMID: 32110427 PMCID: PMC7025424 DOI: 10.1177/2055116920906001] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Case summary A 12-year-old female neutered indoor-outdoor domestic longhair cat presented with frequent sneezing and a nodular, suppurative lesion on its dorsal nose. Histopathological examination revealed a fungal granuloma. PCR and sequencing of the ribosomal internal transcribed spacers (ITS) regions (ITS-F and ITS-R) confirmed an infection with a Sporothrix species. Further sequencing of the beta-tubulin and calmodulin genes confirmed Sporothrix humicola, which lies within the Sporothrix pallida complex. The cat had concurrent diabetes mellitus, which responded to insulin therapy and diet. Oral itraconazole at 10 mg/kg PO q24h resulted in resolution of the lesions after 12 months. Treatment was well tolerated. Relevance and novel information This is the first report of sporotrichosis in a cat in the UK and only the fifth worldwide involving the S pallida complex. Clinicians, pathologists and microbiologists need to be aware of the potential of Sporothrix infections in the UK and the ability of S pallida complex to cause opportunistic infections. Molecular techniques can achieve rapid and accurate identification of rare fungal organisms. A precise diagnosis with molecular testing can provide information regarding prognosis, treatment and zoonotic implications.
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Affiliation(s)
- Nikoleta Makri
- Dermatology Service, Hospital for Small Animals, University of Edinburgh, Royal (Dick) School of Veterinary Studies, Roslin, UK
| | - Gavin K Paterson
- Easter Bush Pathology, University of Edinburgh, Royal (Dick) School of Veterinary Studies, Roslin, UK
| | | | | | - Tim Nuttall
- Dermatology Service, Hospital for Small Animals, University of Edinburgh, Royal (Dick) School of Veterinary Studies, Roslin, UK
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Rodrigues AM, Della Terra PP, Gremião ID, Pereira SA, Orofino-Costa R, de Camargo ZP. The threat of emerging and re-emerging pathogenic Sporothrix species. Mycopathologia 2020; 185:813-842. [PMID: 32052359 DOI: 10.1007/s11046-020-00425-0] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 01/09/2020] [Indexed: 01/19/2023]
Abstract
Sporotrichosis is a neglected subcutaneous mycosis of humans and animals acquired by traumatic inoculation of soil and plant material (classical route) contaminated with infectious propagules of the pathogen or being bitten/scratched by infected cats (alternative route). Within a genus composed of 53 species displaying an essentially environmental core, there are only a few members which have considerable impacts on human or animal health. Infections are typically caused by S. brasiliensis, S. schenckii or S. globosa. Rare mammal pathogens include members of the S. pallida and S. stenocereus complexes. To illustrate the tremendous impact of emerging zoonotic sporotrichosis on public health, we discuss the main features of the expanding epidemics driven by S. brasiliensis in cats and humans. The cat entry in the transmission chain of sporotrichosis, causing epizooties (cat-cat) or zoonosis (cat-human), has contributed to the definition of new paradigms in Sporothrix transmission, reaching epidemic levels, making the disease a serious public health problem. Indeed, S. brasiliensis infection in humans and animals is likely to become even more important in the future, with projections of its expansion in biogeographic domains and host range, as well as greater virulence in mammals. Therefore, lessons from a long-standing outbreak in the state of Rio de Janeiro about the source and distribution of the etiological agents among outbreak areas can be used to create better control and prevention plans and increase awareness of sporotrichosis as a serious emerging zoonotic disease.
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Affiliation(s)
- Anderson Messias Rodrigues
- Laboratory of Emerging Fungal Pathogens, Cell Biology Division, Department of Microbiology, Immunology and Parasitology, Paulista School of Medicine, Federal University of São Paulo, São Paulo, 04023-062, Brazil.
| | - Paula Portella Della Terra
- Laboratory of Emerging Fungal Pathogens, Cell Biology Division, Department of Microbiology, Immunology and Parasitology, Paulista School of Medicine, Federal University of São Paulo, São Paulo, 04023-062, Brazil
| | - Isabella Dib Gremião
- Laboratory of Clinical Research on Dermatozoonoses in Domestic Animals, Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - Sandro Antonio Pereira
- Laboratory of Clinical Research on Dermatozoonoses in Domestic Animals, Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - Rosane Orofino-Costa
- Dermatology Department, Faculdade de Ciências Médicas, Universidade do Estado do Rio de Janeiro (FCM-UERJ), Rio de Janeiro, RJ, Brazil
| | - Zoilo Pires de Camargo
- Laboratory of Emerging Fungal Pathogens, Cell Biology Division, Department of Microbiology, Immunology and Parasitology, Paulista School of Medicine, Federal University of São Paulo, São Paulo, 04023-062, Brazil
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Synthesis and Identification of Pentathiepin-Based Inhibitors of Sporothrix brasiliensis. Antibiotics (Basel) 2019; 8:antibiotics8040249. [PMID: 31816950 PMCID: PMC6963766 DOI: 10.3390/antibiotics8040249] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 11/25/2019] [Accepted: 11/30/2019] [Indexed: 12/13/2022] Open
Abstract
Sporothrix brasiliensis is the causative agent of zoonotic sporotrichosis in Brazil and is currently referred to as the most virulent species among those of clinical importance within the genus. Sporotrichosis is an emergent disease that has come to the forefront over two decades with a recent hot spot of sporotrichosis infection emerging in the state of Rio de Janeiro. The source of these infections is now at epidemic proportions with more than 4000 cases reported in Rio de Janeiro, Brazil, alone since 1998. We developed a focused library of a rare pentathiepin ring system and identified a potent substitution pattern that yielded compounds 21 and 22. These compounds were more potent than itraconazole which is the current standard of care for sporotrichosis.
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Immunization with recombinant enolase of Sporothrix spp. (rSsEno) confers effective protection against sporotrichosis in mice. Sci Rep 2019; 9:17179. [PMID: 31748544 PMCID: PMC6868355 DOI: 10.1038/s41598-019-53135-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 10/26/2019] [Indexed: 01/19/2023] Open
Abstract
In recent years, research has focused on the immunoreactive components of the Sporothrix schenckii cell wall that can be relevant targets for preventive and therapeutic vaccines against sporotrichosis, an emergent worldwide mycosis. In a previous study, we identified a 47-kDa enolase as an immunodominant antigen in mice vaccinated with an adjuvanted mixture of S. schenckii cell wall proteins. Here, we sought to assess the protective potential of a Sporothrix spp. recombinant enolase (rSsEno) formulated with or without the adjuvant Montanide Pet-GelA (PGA) against the S. brasiliensis infection in mice. Mice that were immunized with rSsEno plus PGA showed increased antibody titters against rSsEno and increased median survival time when challenged with S. brasiliensis as compared with mice that had not been immunized or that were immunized with rSsEno alone. Immunization with rSsEno plus PGA induced a predominantly T-helper 1 cytokine pattern after in vitro stimulation of splenic cells with rSsEno: elevated levels of IFN-γ and IL-2, as well as of other cytokines involved in host defense against sporotrichosis, such as TNF-alpha, IL-6, and IL-4. Furthermore, we show for the first time the presence of enolase in the cell wall of both S. schenckii and S. brasiliensis. As a whole, our results suggest that enolase could be used as a potential antigenic target for vaccinal purposes against sporotrichosis.
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Coiacetto F, Arthur I, Sullivan L, Leung M. Disseminated Sporotrichosis in a Bilby (Macrotis lagotis). J Comp Pathol 2019; 170:74-77. [PMID: 31375162 DOI: 10.1016/j.jcpa.2019.06.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2019] [Revised: 05/30/2019] [Accepted: 06/04/2019] [Indexed: 10/26/2022]
Abstract
A male bilby (Macrotis lagotis) was presented to the Murdoch University Veterinary Anatomical Pathology Service following humane destruction due to severe lethargy. The bilby was emaciated with a focal ulcerated skin lesion on the dorsal tail base. Multifocal to coalescing foci of pyogranulomatous and often necrotizing inflammation was present within multiple organs, including the tail wound, adrenal glands, kidneys, lungs, brain, testes, lymph nodes, heart, liver, spleen and salivary glands. Admixed were abundant intrahistiocytic and extracellular pleomorphic yeast (round, oval and cigar-shaped) up to 6 μm diameter, often with a thin clear halo and occasional narrow-based budding. The diagnosis of disseminated sporotrichosis was confirmed via culture and sequencing of the internal transcribed spacer region of the causative agent, Sporothrix schenckii sensu lato. The route of entry of infection was considered most likely to have been via cutaneous inoculation of the tail base wound. To the authors' knowledge, this report describes the first known case of sporotrichosis in a native Australian animal.
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Affiliation(s)
- F Coiacetto
- Department of Veterinary Pathology, School of Veterinary Medicine, Murdoch University, Murdoch, Australia.
| | - I Arthur
- Department of Microbiology, PathWest Laboratory Medicine, QE2 Medical Centre, Nedlands, Australia
| | - L Sullivan
- Department of Veterinary Pathology, School of Veterinary Medicine, Murdoch University, Murdoch, Australia
| | - M Leung
- Department of Microbiology, PathWest Laboratory Medicine, QE2 Medical Centre, Nedlands, Australia
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50
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Brandolt TM, Madrid IM, Poester VR, Sanchotene KO, Basso RP, Klafke GB, Rodrigues MDL, Xavier MO. Human sporotrichosis: A zoonotic outbreak in southern Brazil, 2012-2017. Med Mycol 2019; 57:527-533. [PMID: 30265327 DOI: 10.1093/mmy/myy082] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 07/17/2018] [Accepted: 08/28/2018] [Indexed: 12/17/2023] Open
Abstract
Zoonotic sporotrichosis has undergone a geographical expansion in Brazil in the last decade. Rio Grande do Sul (RS) is the second state of the country in which a number of feline sporotrichosis cases have been described. Since cats are the main zoonotic source of infection, this study aimed to describe 100 cases of human sporotrichosis occurring in the last 5 years in the southern region of RS, Brazil. In addition, we aimed to illustrate the zoonotic importance of the disease, describing four cases in the same family due to transmission by their cat. This great number of human cases in a short period of evaluation highlights the severity of sporotrichosis as a public health problem in the region, suggesting that a possible outbreak is occurring that requires immediate public intervention actions to weaken its impact.
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Affiliation(s)
- Tchana Martinez Brandolt
- Post-Graduation Program in Health Science, Federal University of Rio Grande (FURG), Rio Grande, Brazil
| | | | - Vanice Rodrigues Poester
- Post-Graduation Program in Health Science, Federal University of Rio Grande (FURG), Rio Grande, Brazil
| | - Karine Ortiz Sanchotene
- Post-Graduation Program in Health Science, Federal University of Rio Grande (FURG), Rio Grande, Brazil
| | - Rossana Patricia Basso
- Post-Graduation Program in Health Science, Federal University of Rio Grande (FURG), Rio Grande, Brazil
| | | | | | - Melissa Orzechowski Xavier
- Post-Graduation Program in Health Science, Federal University of Rio Grande (FURG), Rio Grande, Brazil
- Faculty of Medicine, FURG, Rio Grande, Brazil
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