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Ferreira JDJG, Costa SCB, Addas-Carvalho M, Pereira MB, França ADO, de Lima RG, Andrade PD, Wanderley JDS, Martins LC, de Almeida EA, Marcon GEB. Evaluation of Molecular Methods to Identify Chagas Disease and Leishmaniasis in Blood Donation Candidates in Two Brazilian Centers. Pathogens 2023; 12:pathogens12040508. [PMID: 37111394 PMCID: PMC10141534 DOI: 10.3390/pathogens12040508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/02/2023] [Accepted: 03/10/2023] [Indexed: 04/29/2023] Open
Abstract
In Brazil, blood donation is regulated by the Brazilian Ministry of Health, and all States follow the same protocol for clinical and laboratory screening. Brazil is an endemic country for Chagas disease (CD), caused by Trypanosoma cruzi, and for leishmaniasis, caused by a species of Leishmania spp. Screening for leishmaniosis is not routinely performed by blood banks. Given the antigenic similarity between T. cruzi and Leishmania spp., cross-reactions in serological tests can occur, and inconclusive results for CD have been found. The objective of this study was to apply molecular techniques, e.g., nPCR, PCR, and qPCR, to clarify cases of blood donation candidates with non-negative serology for CD and to analyze the difference between the melting temperature during real-time PCR using SYBR Green. Thirty-seven cases that showed non-negative results for CD using chemiluminescent microparticle immunoassay (CMIA) tests from blood banks in Campo Grande, MS, and Campinas, SP, were analyzed. In the serum samples, 35 samples were evaluated by ELISA, and 24.3% (9/35) showed positive results for CD. nPCR was able to detect 12 positive results in 35 samples (34.28%). qPCR for T. cruzi was quantifiable in the samples that showed a value ≥0.002 par eq/mL (parasite equivalents per milliliter), and in 35 samples, 11 (31.42%) were positive. Of all evaluated samples using the described tests (CMIA, ELISA, nPCR, and qPCR), 18 (48.6%) were positive for CD. For MCA by qPCR, the melting temperature was 82.06 °C ± 0.46 for T. cruzi and 81.9 °C ± 0.24 for Leishmania infantum. The Mann-Whitney test showed a significant value of p < 0.0001. However, the differentiation between T. cruzi and L. infantum could not be considered due to temperature overlap. For leishmaniasis, of the 35 samples with non-negative serology for CD tested by the indirect fluorescent antibody test (IFAT), only one sample (2.85%) was positive (1:80). The PCR for Leishmania spp. was performed on 36 blood samples from donation candidates, and all were negative. qPCR for L. infantum showed 37 negative results for the 37 analyzed samples. The data presented here show the importance of performing two different tests in CD screening at blood banks. Molecular tests should be used for confirmation, thereby improving the blood donation system.
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Affiliation(s)
- Juliana de Jesus Guimarães Ferreira
- Laboratório de Diagnóstico de Doenças Infecciosas por Técnicas de Biologia Molecular, Departamento de Clínica Médica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas (UNICAMP), Campinas 13083-887, SP, Brazil
| | - Sandra Cecília Botelho Costa
- Laboratório de Diagnóstico de Doenças Infecciosas por Técnicas de Biologia Molecular, Departamento de Clínica Médica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas (UNICAMP), Campinas 13083-887, SP, Brazil
| | - Marcelo Addas-Carvalho
- Centro de Hematologia e Hemoterapia, Universidade Estadual de Campinas (UNICAMP), Campinas 13083-887, SP, Brazil
| | - Mariane Barroso Pereira
- Laboratório de Diagnóstico de Doenças Infecciosas por Técnicas de Biologia Molecular, Departamento de Clínica Médica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas (UNICAMP), Campinas 13083-887, SP, Brazil
| | - Adriana de Oliveira França
- Laboratório de Doenças Infecciosas e Parasitárias (LabDIP), Programa de Pós-Graduação em Doenças Infecciosas e Parasitárias, Universidade Federal de Mato Grosso do Sul, Cidade Universitária s/n, Campo Grande 79090-900, MS, Brazil
| | - Rodrigo Gonçalves de Lima
- Laboratório de Diagnóstico de Doenças Infecciosas por Técnicas de Biologia Molecular, Departamento de Clínica Médica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas (UNICAMP), Campinas 13083-887, SP, Brazil
| | - Paula Durante Andrade
- Laboratório de Diagnóstico de Doenças Infecciosas por Técnicas de Biologia Molecular, Departamento de Clínica Médica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas (UNICAMP), Campinas 13083-887, SP, Brazil
| | - Jamiro da Silva Wanderley
- Grupo de Estudos em Doença de Chagas (GEDoCh), Departamento de Clínica Médica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas (UNICAMP), Campinas 13083-887, SP, Brazil
| | - Luiz Cláudio Martins
- Grupo de Estudos em Doença de Chagas (GEDoCh), Departamento de Clínica Médica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas (UNICAMP), Campinas 13083-887, SP, Brazil
| | - Eros Antonio de Almeida
- Grupo de Estudos em Doença de Chagas (GEDoCh), Departamento de Clínica Médica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas (UNICAMP), Campinas 13083-887, SP, Brazil
| | - Gláucia Elisete Barbosa Marcon
- Laboratório de Diagnóstico de Doenças Infecciosas por Técnicas de Biologia Molecular, Departamento de Clínica Médica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas (UNICAMP), Campinas 13083-887, SP, Brazil
- Fundação Oswaldo Cruz Mato Grosso do Sul (FIOCRUZ MS), Rua Gabriel Abrão, 92, Jardim das Nações, Campo Grande 79081-746, MS, Brazil
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Weis-Torres SMDS, França ADO, Granato C, Passarini A, Motta-Castro ARC. Seroprevalence of hepatitis E virus infection among volunteer blood donors in Central Brazil. Braz J Infect Dis 2022; 26:102350. [PMID: 35487275 PMCID: PMC9387457 DOI: 10.1016/j.bjid.2022.102350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 03/15/2022] [Accepted: 03/28/2022] [Indexed: 11/09/2022] Open
Abstract
A cross-sectional study was carried out in the Hematology and Hemotherapy Institute of the state of Mato Grosso do Sul (Hemosul) to evaluate the seroprevalence and risk factors of Hepatitis E Virus (HEV) exposure among volunteer blood donors in Central Brazil. Two-hundred fifty samples from the biorepository were tested for anti-HEV IgG and IgM using the Wantai HEV ELISA test. The seroprevalence of HEV exposure was 6.4% (95% CI: 3.9–10.2). Being born in another state of Brazil, mainly in the Southeast and South regions, was associated with a higher risk of HEV exposure (p < 0.001).
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França ADO, Soares LS, Pompilio MA, Tozetti IA, Bonin CM, Dorval MEMC. Cytokine profile in Leishmania-positive blood donors. PLoS One 2020; 15:e0238933. [PMID: 32966326 PMCID: PMC7511012 DOI: 10.1371/journal.pone.0238933] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 08/26/2020] [Indexed: 12/03/2022] Open
Abstract
Serum levels of interleukin 2 (IL-2), interleukin 4 (IL-4), interleukin 6 (IL-6), interleukin 10 (IL-10), interleukin 17 (IL-17), interferon gamma (IFN-γ), tumor necrosis factor α (TNF-α), and interleukin 1β (IL-1β), cytokines involved in the immune response, were investigated in 75 Leishmania-positive blood donors living in endemic areas. Based on their status in 2011 and 2015, the subjects were clustered into three groups: positive for at least one diagnostic method in both years, but lacking clinical progression to disease (G1); positive on at least one method in 2011 but negative in 2015 (G2); negative on all methods in both years (G3). Donors were interviewed for sociodemographic data collection and underwent clinical evaluation and laboratory tests. Serum cytokines were quantified using a CBA Flex set (BD Biosciences). Significant differences were found for all the cytokines evaluated, with lower concentrations in consistently Leishmania-negative individuals. The exception was IFN-γ, with similar levels among all donors. No changes consistent with active disease were observed in the laboratory results for Leishmania-positive donors who underwent clinical evaluation, none of whom progressed to disease. This suggests that infection control is associated with serum IL-17 levels. Resolution of Leishmania infection in positive donors may be related to high levels of IL-17 and low levels of IL-10, highlighting the role played by IL-17 in asymptomatic Leishmania-infected individuals.
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Affiliation(s)
- Adriana de Oliveira França
- Laboratory of Clinical Parasitology, Graduate Program in Infectious and Parasitic Diseases, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
- * E-mail:
| | - Luana Silva Soares
- Laboratory of Immunology, Universidade Católica Dom Bosco, Campo Grande, MS, Brazil
| | - Mauricio Antonio Pompilio
- Hélio Mandetta School of Medicine, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Inês Aparecida Tozetti
- Laboratory of Immunobiology, Institute of Biosciences, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Camila Mareti Bonin
- Laboratory of Immunobiology, Institute of Biosciences, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
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de Oliveira França A, de Oliveira Ramos Pereira L, Ortiz Tanaka TS, Pereira de Oliveira M, Cavalheiros Dorval ME. Viability of Leishmania in blood donors: A tangible possibility of transfusion transmission. J Microbiol Immunol Infect 2019; 53:176-178. [PMID: 31427110 DOI: 10.1016/j.jmii.2019.06.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 04/05/2019] [Accepted: 06/20/2019] [Indexed: 01/09/2023]
Abstract
Asymptomatic individuals apparently able for blood donation, could be infected with Leishmania imposing risks for immunologically vulnerable recipients. Reverse transcribed conventional PCR targeting the 28S ribosomal subunit was conducted, in order to confirm the viability of the parasite in blood donors positive for Leishmania infection.
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Affiliation(s)
- Adriana de Oliveira França
- Laboratory of Clinical Parasitology, Graduate Program in Infectious and Parasitic Diseases, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil.
| | - Luiza de Oliveira Ramos Pereira
- Interdisciplinary Laboratory of Medical Research (LIPMed), Laboratory of Leishmaniasis Research, Instituto Oswaldo Cruz, Rio de Janeiro, RJ, Brazil
| | - Tayana Serpa Ortiz Tanaka
- Graduate Program in Infectious and Parasitic Diseases, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Márcia Pereira de Oliveira
- Interdisciplinary Laboratory of Medical Research (LIPMed), Instituto Oswaldo Cruz, Rio de Janeiro, RJ, Brazil
| | - Maria Elizabeth Cavalheiros Dorval
- Laboratory of Clinical Parasitology, Graduate Program in Infectious and Parasitic Diseases, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
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Martins MFDS, Pereira MB, Ferreira JDJG, França ADO, Cominetti MC, Ferreira EDC, Dorval MEMC, Rossi CL, Mazon SDB, de Almeida EA, Costa SCB, Marcon GEB. Serological and molecular inquiry of Chagas disease in an Afro-descendant settlement in Mato Grosso do Sul State, Brazil. PLoS One 2018; 13:e0189448. [PMID: 29315305 PMCID: PMC5760030 DOI: 10.1371/journal.pone.0189448] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Accepted: 11/24/2017] [Indexed: 01/19/2023] Open
Abstract
Furnas do Dionísio is a Brazilian Afro-descendant settlement in the city of Jaraguari, 21.4 miles from Campo Grande, Mato Grosso do Sul, Brazil. Approximately 96 families live in this quilombola (Maroon) settlement, also known in Brazil as a remnant community of descendants of African slaves. Recent studies found 20% of households were infested by triatomines, 18% of insects captured in the community were infected by Trypanosoma cruzi, and 22.7% of dogs presented T. cruzi antibodies. The low prevalence of Chagas disease observed in humans in Mato Grosso do Sul State is attributed to its arrival via colonist migration and subsequent transplacental transmission. In order to gain a better understanding of the T. cruzi cycle in residents of the study community, serological and molecular tests were carried out to diagnose Chagas disease. In the present study, 175 residents between 2 and 80 years old were included. A total of 175 participants were interviewed and 170 provided blood samples, which were tested for T. cruzi antibodies with serological tests. Molecular diagnosis was performed in 167 participants by PCR (KDNA) and NPCR (satellite DNA) tests. One of the 170 samples tested positive for all serological tests performed. The overall frequency of Chagas disease in the community was low (0.6%). Interview responses revealed that 66.3% knew of triatomine insects and 65.7% reported having had no contact with them. Physical improvements to residences, together with vector surveillance and control by the State and municipal governments and local ecological conservation contribute to the low frequency of the Chagas disease in this quilombola community.
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Affiliation(s)
- Mariana Furquim da Silva Martins
- Departamento de Clínica Médica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas (UNICAMP), Campinas, São Paulo, Brazil
| | - Mariane Barroso Pereira
- Departamento de Clínica Médica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas (UNICAMP), Campinas, São Paulo, Brazil
| | | | - Adriana de Oliveira França
- Centro de Ciências Biológicas e da Saúde, Faculdade de Farmácia, Universidade Federal de Mato Grosso do Sul (UFMS), Campo Grande, Mato Grosso do Sul, Brazil
| | - Marlon Cézar Cominetti
- Centro de Ciências Biológicas e da Saúde, Faculdade de Farmácia, Universidade Federal de Mato Grosso do Sul (UFMS), Campo Grande, Mato Grosso do Sul, Brazil
| | - Eduardo de Castro Ferreira
- Universidade Anhanguera UNIDERP, Campo Grande, Mato Grosso do Sul, Brazil
- FIOCRUZ Mato Grosso do Sul, Fundação Oswaldo Cruz, Campo Grande, Mato Grosso do Sul, Brazil
| | | | - Cláudio Lúcio Rossi
- Departamento de Patologia Clínica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas (UNICAMP), Campinas, São Paulo, Brazil
| | - Sílvia de Barros Mazon
- Departamento de Patologia Clínica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas (UNICAMP), Campinas, São Paulo, Brazil
| | - Eros Antonio de Almeida
- Departamento de Clínica Médica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas (UNICAMP), Campinas, São Paulo, Brazil
| | - Sandra Cecília Botelho Costa
- Departamento de Clínica Médica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas (UNICAMP), Campinas, São Paulo, Brazil
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Higa MG, Cardoso WM, Weis SMDS, França ADO, Pontes ERJC, Silva PVD, Oliveira MPD, Dorval MEMC. Intestinal parasitism among waste pickers in Mato Grosso do Sul, Midwest Brazil. Rev Inst Med Trop Sao Paulo 2017; 59:e87. [PMID: 29267595 PMCID: PMC5738772 DOI: 10.1590/s1678-9946201759087] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Accepted: 10/18/2017] [Indexed: 11/25/2022] Open
Abstract
The purpose of this study was to estimate the prevalence of intestinal parasites in both cooperative-affiliated and independent waste pickers operating at the municipal sanitary landfill in Campo Grande, Mato Grosso do Sul, Brazil, and associate these findings with hemoglobin, eosinophils, vitamin A and C levels and interleukin 5 and 10 (IL-5 and IL-10) production. Biological samples were collected, in addition to clinical, epidemiological, and sociodemographic data. Stool analyzes were based on sedimentation by centrifugation and on spontaneous sedimentation. High-performance liquid chromatography was used to determine vitamin A and C levels. ELISA was employed to quantify interleukins. Intestinal parasites were found in 29 of the 66 subjects assessed (43.9%). Endolimax nana (22.7%), Entamoeba coli (21.1%), Giardia lamblia (6.1%), Entamoeba histolytica/E. dispar (4.5%), and Ascaris lumbricoides (4.5%) were the most prevalent species. Pathogenic parasites were detected in 11 individuals (16.7%). Hypovitaminoses A and C were detected in 19.6% (13/66) and 98.4% (65/66) of subjects, respectively. IL-5 and IL-10 production was observed in 21 (31.8%) and 32 (48.4%) subjects, respectively. Infection with pathogenic intestinal parasites was not a cause of vitamin A and C deficiency or IL-5 and IL-10 production among these workers.
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Affiliation(s)
- Minoru German Higa
- Universidade Federal de Mato Grosso do Sul, Faculdade de Medicina, Programa de Pós-Graduação em Doenças Infecciosas e Parasitárias, Campo Grande, Mato Grosso do Sul, Brazil
| | - Wesley Márcio Cardoso
- Universidade Federal de Mato Grosso do Sul, Centro de Ciências Biológicas e da Saúde, Programa de Pós-Graduação em Enfermagem, Campo Grande, Mato Grosso do Sul, Brazil
| | - Sabrina Moreira Dos Santos Weis
- Universidade Federal de Mato Grosso do Sul, Faculdade de Medicina, Programa de Pós-Graduação em Doenças Infecciosas e Parasitárias, Campo Grande, Mato Grosso do Sul, Brazil
| | - Adriana de Oliveira França
- Universidade Federal de Mato Grosso do Sul, Faculdade de Medicina, Programa de Pós-Graduação em Doenças Infecciosas e Parasitárias, Campo Grande, Mato Grosso do Sul, Brazil
| | - Elenir Rose Jardim Cury Pontes
- Universidade Federal de Mato Grosso do Sul, Faculdade de Medicina, Programa de Pós-Graduação em Doenças Infecciosas e Parasitárias, Campo Grande, Mato Grosso do Sul, Brazil
| | - Patrícia Vieira da Silva
- Universidade Federal de Mato Grosso do Sul, Faculdade de Medicina, Programa de Pós-Graduação em Doenças Infecciosas e Parasitárias, Campo Grande, Mato Grosso do Sul, Brazil
| | - Márcia Pereira de Oliveira
- Fundação Instituto Oswaldo Cruz, Laboratório Interdisciplinar de Pesquisas Médicas, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Maria Elizabeth Moraes Cavalheiros Dorval
- Universidade Federal de Mato Grosso do Sul, Faculdade de Medicina, Programa de Pós-Graduação em Doenças Infecciosas e Parasitárias, Campo Grande, Mato Grosso do Sul, Brazil
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Curval LG, França ADO, Fernandes HJ, Mendes RP, de Carvalho LR, Higa MG, Ferreira EDC, Dorval MEC. Prevalence of intestinal parasites among inmates in Midwest Brazil. PLoS One 2017; 12:e0182248. [PMID: 28934218 PMCID: PMC5608187 DOI: 10.1371/journal.pone.0182248] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Accepted: 07/14/2017] [Indexed: 11/21/2022] Open
Abstract
Background Intestinal parasitic infections constitute a public health issue in developing countries, with prevalence rates as high as 90%, a figure set to escalate as the socioeconomic status of affected populations deteriorates. Investigating the occurrence of these infections among inmates is critical, since this group is more vulnerable to the spread of a number of infectious illnesses. Methods This cross-sectional, analytical, quantitative study was conducted in July 2015 at prison facilities located in Midwest Brazil to estimate the prevalence of parasitic infection among inmates. For detection of parasites, 510 stool samples were examined by ether centrifugation and spontaneous sedimentation. Results Eight parasitic species were detected, with an overall prevalence of 20.2% (103/510). Giardia lamblia and Entamoeba histolytica/dispar were the most frequent pathogenic parasites. Endolimax nana was the predominant non-pathogenic species. Nearly half of the subjects (53/103; 51.4%) were positive for mixed infection. Logistic regression revealed that inmates held in closed conditions were more likely to contract parasitic infections than those held in a semi-open regime (OR = 1.97; 95% CI = 1.19–3.25; p = 0.0085). A higher prevalence of parasitic infections was observed among individuals who had received no prophylactic antiparasitic treatment in previous years (OR = 10.2; 95% CI = 5.86–17.66; p < 0.001). The other factors investigated had no direct association with the presence of intestinal parasites. Conclusion Infections caused by directly transmissible parasites were detected. Without adequate treatment and prophylactic guidance, inmates tend to remain indefinitely infected with intestinal parasites, whether while serving time in prison or after release.
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Affiliation(s)
- Larissa Gabrielle Curval
- Graduate Program in Infectious and Parasitic Diseases, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
- * E-mail:
| | - Adriana de Oliveira França
- Graduate Program in Infectious and Parasitic Diseases, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Henrique Jorge Fernandes
- Department of Animal Sciences, Universidade Estadual de Mato Grosso do Sul, Aquidauana, MS, Brazil
| | - Rinaldo Pôncio Mendes
- Visiting Professor, School of Medicine, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Lídia Raquel de Carvalho
- Department of Biostatistics, Biosciences Institute of Botucatu, Universidade Estadual Paulista, Botucatu, SP, Brazil
| | - Minoru German Higa
- Graduate Program in Infectious and Parasitic Diseases, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
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de Castro Ferreira E, Pereira AAS, Silveira M, Margonari C, Marcon GEB, de Oliveira França A, Castro LS, Bordignon MO, Fischer E, Tomas WM, Dorval MEC, Gontijo CMF. Leishmania (V.) braziliensis infecting bats from Pantanal wetland, Brazil: First records for Platyrrhinus lineatus and Artibeus planirostris. Acta Trop 2017; 172:217-222. [PMID: 28502644 DOI: 10.1016/j.actatropica.2017.05.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Revised: 02/06/2017] [Accepted: 05/09/2017] [Indexed: 11/25/2022]
Abstract
In the New World genus Leishmania parasites are etiological agents of neglected zoonoses known as leishmaniasis. Its epidemiology is very complex due to the participation of several species of sand fly vectors and mammalian hosts, and man is an accidental host. Control is very difficult because of the different epidemiological patterns of transmission observed. Studies about Leishmania spp. infection in bats are so scarce, which represents a large gap in knowledge about the role of these animals in the transmission cycle of these pathogens, especially when considering that Chiroptera is one of the most abundant and diverse orders among mammals. Leishmaniasis in Mato Grosso do Sul, Brazil are remarkably frequent, probably due to the abundance of its regional mastofauna. The recent record of L. braziliensis in bats from this state indicates the need to clarify the role of these mammals in the transmission cycle. In this study we evaluated the presence of Leishmania parasites in the skin of different species of bats, using PCR directed to Leishmania spp. kDNA for screening followed by PCR/RFLP analysis of the hsp70 gene for the identification of parasite species. Leishmania species identification was confirmed by PCR directed to the G6PD gene of L. braziliensis, followed by sequencing of the PCR product. Samples from 47 bats were processed, of which in three specimens (6.38%) was detected the presence of Leishmania sp. kDNA. PCR/RFLP and sequencing identified the species involved in the infection as L. braziliensis in all of them. This is the first report of Leishmania braziliensis in bats from Pantanal ecosystem and the first record of this species in Platyrrhinus lineatus and Artibeus planirostris, bats with a wide distribution in South America. These results reinforce the need to deepen the knowledge about the possibility of bats act as reservoirs of Leishmania spp. especially considering their ability of dispersion and occupation of anthropic environments.
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Castro LS, França ADO, Ferreira EDC, Hans Filho G, Higa Júnior MG, Gontijo CMF, Pereira AAS, Dorval MEMC. Leishmania infantum AS A CAUSATIVE AGENT OF CUTANEOUS LEISHMANIASIS IN THE STATE OF MATO GROSSO DO SUL, BRAZIL. Rev Inst Med Trop Sao Paulo 2016; 58:23. [PMID: 27007566 PMCID: PMC4804560 DOI: 10.1590/s1678-9946201658023] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2014] [Accepted: 06/10/2015] [Indexed: 11/22/2022] Open
Abstract
Cutaneous leishmaniasis is caused by different species of
theLeishmania genus.
Leishmania(Leishmania)
infantum, causing cutaneous leishmaniasis, has been described in
patients living in areas where visceral leishmaniasis is endemic. In this study, it
was possible to characterize this species in seven slides from cutaneous tissue
imprints from patients with cutaneous leishmaniasis in the State of Mato
Grosso do Sul, Brazil.
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Affiliation(s)
- Ludiele Souza Castro
- Programa de Pós-Graduação em Doenças Infecciosas e Parasitárias, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Adriana de Oliveira França
- Programa de Pós-Graduação em Doenças Infecciosas e Parasitárias, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
| | | | - Günther Hans Filho
- Hospital Universitário, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Minoru German Higa Júnior
- Programa de Pós-Graduação em Doenças Infecciosas e Parasitárias, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Célia Maria Ferreira Gontijo
- Centro de Pesquisas René Rachou, Laboratório de Leishmanioses, Fundação Oswaldo Cruz, Belo Horizonte, MG, Brazil
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França ADO, Castro VLD, Junior MSDCL, Pontes ERJC, Dorval MEC. Anti-Leishmania antibodies in blood donors from the Midwest region of Brazil. Transfus Apher Sci 2013; 49:627-30. [DOI: 10.1016/j.transci.2013.07.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2013] [Revised: 07/05/2013] [Accepted: 07/13/2013] [Indexed: 10/26/2022]
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Shapiro JT, da Costa Lima Junior MS, Dorval MEC, de Oliveira França A, Cepa Matos MDF, Bordignon MO. First record of Leishmania braziliensis presence detected in bats, Mato Grosso do Sul, southwest Brazil. Acta Trop 2013; 128:171-4. [PMID: 23886850 DOI: 10.1016/j.actatropica.2013.07.004] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2013] [Revised: 06/30/2013] [Accepted: 07/10/2013] [Indexed: 11/26/2022]
Abstract
Leishmaniasis, a zoonotic disease caused by parasites of the genus Leishmania, has expanded beyond its natural range and is becoming increasingly urban. Using PCR and PCR-RFLP, we detected Leishmania (Viannia) braziliensis in two bats (Chiroptera) in Mato Grosso do Sul, Brazil, an endemic area. This is the first record of L. (V.) braziliensis in bats. It is also the first record of any Leishmania sp. in bats in the state. The animals testing positive were found in both a rural site and an urban site. These results indicate the need for further research into the viability of Leishmania in bats and could potentially have implications for public health in Mato Grosso do Sul, given the large populations of urban bats, their mobility, and their ability to roost at close proximity to humans within residences and other buildings.
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Bordignon MO, França ADO. Reproduction of the greater bulldog bat Noctilio leporinus (Chiroptera: Noctilionidae) in a mangrove area in southern Brazil. Biota Neotrop 2012. [DOI: 10.1590/s1676-06032012000400006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The reproductive pattern of the greater bulldog bat (Noctilio leporinus) was studied in southern Brazil from January to December 1999. The morphological characteristics of their reproductive organs were recorded monthly, through histological analysis of testes and ovaries. Those data were correlated with forearm size and body mass, as well as with external reproductive characteristics. The diameter of the seminiferous tubule increased proportionately to testis mass and body weight, and larger males had greater testis mass. Sexually mature males were recorded throughout the year. Ovary histology revealed that females ovulate between July and December. Lactating females were recorded in nearly every month of the year. Noctilio leporinus has a bimodal polyestrous pattern, with an increase in the recruitment of juveniles between January and May.
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