1
|
Alves ML, Silva DTD, Spada JCP, Leonel JAF, Benassi JC, Pereira NWB, Vioti G, Alves-Martin MF, de Almeida Paula NF, Starke-Buzetti WA, de Sousa Oliveira TMF. Use of the intradermal leishmanin test (Montenegro skin test) for feline visceral leishmaniosis: Detection of cellular immunity. Exp Parasitol 2022; 239:108294. [DOI: 10.1016/j.exppara.2022.108294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 04/28/2022] [Accepted: 06/02/2022] [Indexed: 11/17/2022]
|
2
|
Spada JCP, Silva DTD, Alves ML, Cárdenas NC, Inlamea OF, Faria GA, Ferreira AG, Silva HR, Oliveira TMFDS, Buzetti WAS. Risk factors associated with Leishmania exposure among dogs in a rural area of Ilha Solteira, SP, Brazil. Rev Soc Bras Med Trop 2020; 53:e20200059. [PMID: 32935780 PMCID: PMC7491566 DOI: 10.1590/0037-8682-0059-2020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 05/19/2020] [Indexed: 12/02/2022] Open
Abstract
INTRODUCTION: We sought to determine risk factors (RFs) associated with the presence of
antibodies against Leishmania in dogs from a rural area of
Ilha Solteira, SP, Brazil. METHODS: Serum samples were collected from 250 dogs and tested using indirect
enzyme-linked immunosorbent assay (ELISA) and indirect immunofluorescence
antibody tests (IFATs). Data concerning dogs, their environment, and their
owners’ knowledge of leishmaniasis were collected using a questionnaire. To
determine RFs for contact with the parasite, univariate statistical analysis
based on chi-squared and Fisher’s exact tests, followed by logistic
regression, was used. RESULTS: It was found that 79/250 (31.6%) of the dogs were positive by IFAT, and
72/250 (28.8%) by ELISA. A total of 82/250 dogs (32.8%) were positive in at
least one test. The RFs associated with occurrences of
Leishmania exposure were large body size (OR = 2.25;
95% CI = 1.26-4.04; p = 0.003), presence of chickens (OR = 1.94; 95% CI =
1.05-3.65; p = 0.023), and lack of knowledge about
Leishmania among dog owners (OR = 1.74; 95% CI =
0.96-3.21; p = 0.049). After multivariate analysis, the RFs for occurrence
of Leishmania exposure in dogs that remained significantly
associated were the dog’s size (large dogs) (OR = 1.2; 95% CI = 1.06-1.35; p
= 0.003) and presence of chickens on the properties (small farms) (OR =
1.15; 95% CI = 1.02-1.30; p = 0.023). CONCLUSIONS: These results may be useful for improving preventive practices to reduce the
incidence of Leishmania exposure among dogs in rural
areas.
Collapse
Affiliation(s)
- Julio Cesar Pereira Spada
- Universidade Estadual Paulista, Faculdade de Engenharia de Ilha Solteira, Departamento de Biologia e Zootecnia, Ilha Solteira, SP, Brasil.,Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, Programa de Pós-graduação em Epidemiologia Experimental Aplicada às Zoonoses, São Paulo, SP, Brasil
| | - Diogo Tiago da Silva
- Universidade Estadual Paulista, Faculdade de Engenharia de Ilha Solteira, Departamento de Biologia e Zootecnia, Ilha Solteira, SP, Brasil.,Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, Programa de Pós-graduação em Epidemiologia Experimental Aplicada às Zoonoses, São Paulo, SP, Brasil
| | - Maria Luana Alves
- Universidade Estadual Paulista, Faculdade de Engenharia de Ilha Solteira, Departamento de Biologia e Zootecnia, Ilha Solteira, SP, Brasil.,Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, Programa de Pós-graduação em Epidemiologia Experimental Aplicada às Zoonoses, São Paulo, SP, Brasil
| | - Nicolás Céspedes Cárdenas
- Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, Programa de Pós-graduação em Epidemiologia Experimental Aplicada às Zoonoses, São Paulo, SP, Brasil
| | - Osvaldo Frederico Inlamea
- Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, Programa de Pós-graduação em Epidemiologia Experimental Aplicada às Zoonoses, São Paulo, SP, Brasil
| | - Glaucia Amorim Faria
- Universidade Estadual Paulista, Faculdade de Engenharia de Ilha Solteira, Departamento de Matemática, Ilha Solteira, SP, Brasil
| | - Andrea Gonçalves Ferreira
- Universidade Estadual Paulista, Faculdade de Engenharia de Ilha Solteira, Departamento de Biologia e Zootecnia, Ilha Solteira, SP, Brasil
| | - Helio Ricardo Silva
- Universidade Estadual Paulista, Faculdade de Engenharia de Ilha Solteira, Departamento de Biologia e Zootecnia, Ilha Solteira, SP, Brasil
| | - Trícia Maria Ferreira de Sousa Oliveira
- Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, Programa de Pós-graduação em Epidemiologia Experimental Aplicada às Zoonoses, São Paulo, SP, Brasil.,Universidade de São Paulo, Faculdade de Zootecnia e Engenharia de Alimentos, Departamento de Medicina Veterinária, Pirassununga, SP, Brasil
| | - Wilma Aparecida Starke Buzetti
- Universidade Estadual Paulista, Faculdade de Engenharia de Ilha Solteira, Departamento de Biologia e Zootecnia, Ilha Solteira, SP, Brasil
| |
Collapse
|
3
|
Karimi Kakh M, Golchin M, Kazemi Arababadi M, Daneshvar H. Application of the Leishmania infantum 21-kDa recombinant protein for the development of an immunochromatographic test. Parasite Immunol 2020; 42:e12770. [PMID: 32592182 DOI: 10.1111/pim.12770] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Revised: 06/14/2020] [Accepted: 06/15/2020] [Indexed: 11/29/2022]
Abstract
BACKGROUND Visceral leishmaniasis (VL), caused by Leishmania infantum, is a systemic parasitic disease and presents a global health problem which can be fatal if not diagnosed and treated. Dogs are the main hosts and provide reservoirs for the transmission of the disease to humans. METHODS In this study, the gene encoding a 21-kDa protein was cloned and expressed as a fusion protein in Escherichia coli strain BL21 (DE3) for developing a rapid immunochromatographic test (ICT) to identify infected dogs. The expression of the recombinant 21-kDa protein (r21) was investigated using SDS-PAGE and Western blot methods. The purified r21-kDa protein was spotted onto ICT strips and tested by sera from experimentally infected, naturally infected and uninfected dogs. RESULTS The SDS-PAGE and Western blot methods showed the successful expression of r21-kDa protein. The ICT strip test revealed that the r21-kDa protein was detected by the sera of experimentally and naturally infected dogs. The specificity tests also confirmed no cross-reactivity with animals infected with Trypanosoma cruzi, Toxoplasma gondii and Ehrlichia canis. CONCLUSIONS Based on these findings, the new r21-kDa protein may be a suitable target for developing a new simple, specific and rapid serological method to detect VL in infected dogs.
Collapse
Affiliation(s)
- Mansoureh Karimi Kakh
- Department of Immunology, Faculty of Medicine, Kerman University of Medical Science, Kerman, Iran
| | - Mehdi Golchin
- Department of Pathobiology, Faculty of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Mohammad Kazemi Arababadi
- Immunology of Infectious Diseases Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Hamid Daneshvar
- Department of Immunology, Faculty of Medicine, Kerman University of Medical Science, Kerman, Iran
| |
Collapse
|
4
|
Fernandes MA, Leonel JAF, Isaac JA, Benassi JC, Silva DT, Spada JCP, Pereira NWB, Ferreira HL, Keid LB, Soares RM, Oliveira TMFDS. Molecular detection of Leishmania infantum DNA according to clinical stages of leishmaniasis in dog. ACTA ACUST UNITED AC 2019; 28:194-202. [PMID: 31188942 DOI: 10.1590/s1984-29612019015] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Accepted: 02/19/2019] [Indexed: 12/20/2022]
Abstract
The aim of this study was to compare molecular tests used to diagnose Leishmania spp. in dogs with different stages of infection. Blood and conjunctival swab (CS) samples from dogs classified in four clinical stages were subjected to different PCR protocols (13A/13B, MC1/MC2, LITSR/L5.8S and LEISH-1/LEISH-2 primers). To the study, 22.3% (48/215) of dogs were classified as without clinical signs, 67.5% (145/215) stage I (mild disease), 7.0% (15/215) stage II (moderate disease) and 3.2% (7/215) stage III (severe disease). The results showed that in blood samples, 13A/13B detected a significant higher number of positive dogs in stage I (25/145) and in total (42/215) (p≤0.05). However, when CS samples were tested, no difference was observed (p>0.05). On the other hand, in blood samples, MC1/MC2 detected significantly fewer positive dogs classified as without clinical signs (0/48), in stage I (0/145) and in total (1/215) (p≤0.05). Likewise, in CS samples, this primers showed also lower detection (1/215) (p≤0.05). So than, we can conclude that PCR on blood samples with 13A/13B primers has greater capacity to detect positive dogs, mainly at the initial of clinical disease than do other primers and MC1/MC2 are not a good choice to detect Leishmania infantum infection in dogs.
Collapse
Affiliation(s)
- Murilo Antônio Fernandes
- Laboratório de Medicina Veterinária Preventiva Aplicada, Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo - USP, Pirassununga, SP, Brasil.,Programa de Pós-graduação em Epidemiologia Experimental Aplicada às Zoonoses, Departamento de Medicina Veterinária Preventiva, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo - USP, São Paulo, SP, Brasil
| | - João Augusto Franco Leonel
- Laboratório de Medicina Veterinária Preventiva Aplicada, Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo - USP, Pirassununga, SP, Brasil.,Programa de Pós-graduação em Epidemiologia Experimental Aplicada às Zoonoses, Departamento de Medicina Veterinária Preventiva, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo - USP, São Paulo, SP, Brasil
| | - Jéssica Anzolin Isaac
- Laboratório de Medicina Veterinária Preventiva Aplicada, Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo - USP, Pirassununga, SP, Brasil
| | - Julia Cristina Benassi
- Laboratório de Medicina Veterinária Preventiva Aplicada, Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo - USP, Pirassununga, SP, Brasil
| | - Diogo Tiago Silva
- Laboratório de Medicina Veterinária Preventiva Aplicada, Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo - USP, Pirassununga, SP, Brasil.,Programa de Pós-graduação em Epidemiologia Experimental Aplicada às Zoonoses, Departamento de Medicina Veterinária Preventiva, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo - USP, São Paulo, SP, Brasil
| | - Julio Cesar Pereira Spada
- Laboratório de Medicina Veterinária Preventiva Aplicada, Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo - USP, Pirassununga, SP, Brasil.,Programa de Pós-graduação em Epidemiologia Experimental Aplicada às Zoonoses, Departamento de Medicina Veterinária Preventiva, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo - USP, São Paulo, SP, Brasil
| | - Nuno Wolfgang Balbini Pereira
- Laboratório de Medicina Veterinária Preventiva Aplicada, Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo - USP, Pirassununga, SP, Brasil.,Programa de Pós-graduação em Epidemiologia Experimental Aplicada às Zoonoses, Departamento de Medicina Veterinária Preventiva, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo - USP, São Paulo, SP, Brasil
| | - Helena Lage Ferreira
- Laboratório de Medicina Veterinária Preventiva Aplicada, Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo - USP, Pirassununga, SP, Brasil.,Programa de Pós-graduação em Epidemiologia Experimental Aplicada às Zoonoses, Departamento de Medicina Veterinária Preventiva, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo - USP, São Paulo, SP, Brasil
| | - Lara Borges Keid
- Laboratório de Medicina Veterinária Preventiva Aplicada, Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo - USP, Pirassununga, SP, Brasil.,Programa de Pós-graduação em Epidemiologia Experimental Aplicada às Zoonoses, Departamento de Medicina Veterinária Preventiva, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo - USP, São Paulo, SP, Brasil
| | - Rodrigo Martins Soares
- Programa de Pós-graduação em Epidemiologia Experimental Aplicada às Zoonoses, Departamento de Medicina Veterinária Preventiva, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo - USP, São Paulo, SP, Brasil.,Laboratório de Doenças Parasitárias, Departamento de Medicina Veterinária Preventiva, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo - USP, Pirassununga, SP, Brasil
| | - Trícia Maria Ferreira de Sousa Oliveira
- Laboratório de Medicina Veterinária Preventiva Aplicada, Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo - USP, Pirassununga, SP, Brasil.,Programa de Pós-graduação em Epidemiologia Experimental Aplicada às Zoonoses, Departamento de Medicina Veterinária Preventiva, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo - USP, São Paulo, SP, Brasil
| |
Collapse
|
5
|
Nogueira CT, Cistia MLD, Urbaczek AC, Jusi MMG, Velásquez AMA, Machado RZ, Ferreira H, Henrique-Silva F, Langoni H, da Costa PI, Graminha MAS. Potential application of rLc36 protein for diagnosis of canine visceral leishmaniasis. Mem Inst Oswaldo Cruz 2018; 113:197-201. [PMID: 29412359 PMCID: PMC5804312 DOI: 10.1590/0074-02760170171] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Accepted: 10/24/2017] [Indexed: 01/20/2023] Open
Abstract
Visceral leishmaniasis (VL) is fatal if left untreated. Infected dogs are important reservoirs of the disease, and thus specific identification of infected animals is very important. Several diagnostic tests have been developed for canine VL (CVL); however, these tests show varied specificity and sensitivity. The present study describes the recombinant protein rLc36, expressed by Leishmania infantum, as potential antigen for more sensitive and specific diagnosis of CVL based on an immunoenzymatic assay. The concentration of 1.0 μg/mL of rLc36 enabled differentiation of positive and negative sera and showed a sensitivity of 85% and specificity of 71% (with 95% confidence), with an accuracy of 76%.
Collapse
Affiliation(s)
- Camila Tita Nogueira
- Universidade Estadual Paulista, Instituto de Química, Campus de Araraquara, Araraquara, SP, Brasil
| | - Mayara Lúcia Del Cistia
- Universidade Estadual Paulista, Faculdade de Ciências Farmacêuticas, Campus de Araraquara, Araraquara, SP, Brasil
| | - Ana Carolina Urbaczek
- Universidade de São Paulo, Instituto de Química, Campus de São Carlos, São Carlos, SP, Brasil
| | - Márcia MG Jusi
- Universidade Estadual Paulista, Faculdade de Ciências Agrárias e Veterinárias, Campus de Jaboticabal, Jaboticabal, SP, Brasil
| | | | - Rosângela Zacarias Machado
- Universidade Estadual Paulista, Faculdade de Ciências Agrárias e Veterinárias, Campus de Jaboticabal, Jaboticabal, SP, Brasil
| | - Henrique Ferreira
- Universidade Estadual Paulista, Instituto de Biociências, Campus de Rio Claro, Rio Claro, SP, Brasil
| | - Flávio Henrique-Silva
- Universidade Federal de São Carlos, Departamento de Genética e Evolução, São Carlos, SP, Brasil
| | - Hélio Langoni
- Universidade Estadual Paulista, Faculdade de Medicina Veterinária e de Zootecnia, Campus de Botucatu, Botucatu, SP, Brasil
| | - Paulo Inácio da Costa
- Universidade Estadual Paulista, Faculdade de Ciências Farmacêuticas, Campus de Araraquara, Araraquara, SP, Brasil
| | - Márcia AS Graminha
- Universidade Estadual Paulista, Instituto de Química, Campus de Araraquara, Araraquara, SP, Brasil
- Universidade Estadual Paulista, Faculdade de Ciências Farmacêuticas, Campus de Araraquara, Araraquara, SP, Brasil
| |
Collapse
|
6
|
The use of Escherichia coli total antigens as a complementary approach to address seropositivity to Leishmania antigens in canine leishmaniosis. Parasitology 2017; 144:1384-1393. [PMID: 28534448 DOI: 10.1017/s0031182017000713] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Canine leishmaniosis (CanL) is a major veterinary concern and a public health issue. Serological data are essential for disease management. Several antigens used in serological assays have specificity related problems preventing relevant seropositivity values establishment. Herein we report significant seropositivity level disparity in a study cohort with 384 dogs from eight countries, for antigens traditionally used in CanL - soluble promastigote Leishmania antigens (SPLA) and K39 recombinant protein (rK39): 43·8 and 2·9% for SPLA and rK39, respectively. To better understand the reasons for this disparity, CanL-associated serological response was characterized using, for complement serological evaluation, a ubiquitous antigen - soluble Escherichia coli antigens (SECAs). Using cohorts of CanL dogs and dogs without clinical evidences of CanL from non-endemic regions of Portugal, the serological response of CanL animals followed specific trend of seropositivity rK39 > SPLA > SECA absent in non-diseased animals. Using receiver operating characteristic curve analysis, these characteristic trends were converted in ratios, SPLA/SECA, rK39/SECA and rK39/SPLA, that presented high predictive for discriminating the CanL cohort that was potentiated when applied in a scoring system involving positivity to four out of five predictors (rK39, SPLA, SPLA/SECA, rK39/SECA and rK39/SPLA). In fact, this approach discriminated CanL with similar sensitivity/specificity as reference antigens, diminishing seropositivity in European cohort to 1·8%. Ultimately, non-related antigens like SECA and seropositivity ratios between antigens enable different perspectives into serological data focusing on the search of characteristic serological signatures and not simple absolute serology values contributing to comprehensive serological status characterization.
Collapse
|
7
|
Santini MS, Utgés ME, Berrozpe P, Manteca Acosta M, Casas N, Heuer P, Salomón OD. Lutzomyia longipalpis Presence and Abundance Distribution at Different Micro-spatial Scales in an Urban Scenario. PLoS Negl Trop Dis 2015; 9:e0003951. [PMID: 26274318 PMCID: PMC4537120 DOI: 10.1371/journal.pntd.0003951] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Accepted: 07/04/2015] [Indexed: 11/25/2022] Open
Abstract
The principal objective of this study was to assess a modeling approach to Lu. longipalpis distribution in an urban scenario, discriminating micro-scale landscape variables at microhabitat and macrohabitat scales and the presence from the abundance of the vector. For this objective, we studied vectors and domestic reservoirs and evaluated different environmental variables simultaneously, so we constructed a set of 13 models to account for micro-habitats, macro-habitats and mixed-habitats. We captured a total of 853 sandflies, of which 98.35% were Lu. longipalpis. We sampled a total of 197 dogs; 177 of which were associated with households where insects were sampled. Positive rK39 dogs represented 16.75% of the total, of which 47% were asymptomatic. Distance to the border of the city and high to medium density vegetation cover ended to be the explanatory variables, all positive, for the presence of sandflies in the city. All variables in the abundance model ended to be explanatory, trees around the trap, distance to the stream and its quadratic, being the last one the only one with negative coefficient indicating that the maximum abundance was associated with medium values of distance to the stream. The spatial distribution of dogs infected with L. infantum showed a heterogeneous pattern throughout the city; however, we could not confirm an association of the distribution with the variables assessed. In relation to Lu. longipalpis distribution, the strategy to discriminate the micro-spatial scales at which the environmental variables were recorded allowed us to associate presence with macrohabitat variables and abundance with microhabitat and macrohabitat variables. Based on the variables associated with Lu. longipalpis, the model will be validated in other cities and environmental surveillance, and control interventions will be proposed and evaluated in the microscale level and integrated with socio-cultural approaches and programmatic and village (mesoscale) strategies. Visceral leishmaniasis in America is caused by an unicellular organism, Leishmania infantum (syn. chagasi) that is transmitted by insects belonging to Diptera:Phlebotominae, Lutzomyia longipalpis being the principal vector in urban areas. Therefore, the prevention and control of this vector is a sound objective, so as to reduce the probability of contact human-vector and reducing the probability of infection. Therefore, knowing the variables that have an impact and the spatial scale at which these act will allow us to approach an understanding of the dynamic population of the vector and allow us to develop more appropriate strategies of control. Thus, the aim of this study was to assess a modeling approach to Lu. longipalpis distribution in an urban scenario, discriminating micro-scale landscape variables at microhabitat and macrohabitat scales. For this, we worked in Santo Tomé, Corrientes, Argentina. We observed that the presence of Lu. longipalpis is defined only by the macrohabitat variables tested, but the abundance is defined by variables of both scales, microhabitat and macrohabitat.
Collapse
Affiliation(s)
- María Soledad Santini
- Centro Nacional de Investigación en Endemo-epidemias (CeNDIE), ANLIS, Ministerio de Salud de la Nación, Buenos Aires, Argentina
- Comité Nacional de Investigaciones Científicas y Técnicas (CONICET), Ministerio de Ciencia, Tecnología e Innovación Productiva, Buenos Aires, Argentina
- Leishmaniasis Investigation Network of Argentina (ReDILA)
- * E-mail:
| | - María Eugenia Utgés
- Leishmaniasis Investigation Network of Argentina (ReDILA)
- Instituto Nacional de Medicina Tropical (INMeT), Ministerio de Salud de la Nación, Puerto Iguazú, Misiones, Argentina
| | - Pablo Berrozpe
- Comité Nacional de Investigaciones Científicas y Técnicas (CONICET), Ministerio de Ciencia, Tecnología e Innovación Productiva, Buenos Aires, Argentina
- Leishmaniasis Investigation Network of Argentina (ReDILA)
- Instituto Nacional de Medicina Tropical (INMeT), Ministerio de Salud de la Nación, Puerto Iguazú, Misiones, Argentina
| | - Mariana Manteca Acosta
- Leishmaniasis Investigation Network of Argentina (ReDILA)
- Instituto Nacional de Medicina Tropical (INMeT), Ministerio de Salud de la Nación, Puerto Iguazú, Misiones, Argentina
| | - Natalia Casas
- Leishmaniasis Investigation Network of Argentina (ReDILA)
- Programa Nacional de Control de Enfermedades Zoonóticas (ProNCEZ), Ministerio de Salud de la Nación, Buenos Aires, Argentina
| | - Paola Heuer
- Laboratorio de Control de Vectores Entomológicos de Importancia Sanitaria (LaCVEIS) Fundación H. A. Barceló, sede Santo Tomé, Corrientes, Argentina
| | - O. Daniel Salomón
- Comité Nacional de Investigaciones Científicas y Técnicas (CONICET), Ministerio de Ciencia, Tecnología e Innovación Productiva, Buenos Aires, Argentina
- Leishmaniasis Investigation Network of Argentina (ReDILA)
- Instituto Nacional de Medicina Tropical (INMeT), Ministerio de Salud de la Nación, Puerto Iguazú, Misiones, Argentina
| |
Collapse
|
8
|
Spada JCP, Silva DTD, Martins KRR, Rodas LAC, Alves ML, Faria GA, Buzutti MC, Silva HR, Starke-Buzetti WA. Occurrence of Lutzomyia longipalpis (Phlebotominae) and canine visceral leishmaniasis in a rural area of Ilha Solteira, SP, Brazil. ACTA ACUST UNITED AC 2014; 23:456-62. [PMID: 25517523 DOI: 10.1590/s1984-29612014087] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2014] [Accepted: 07/10/2014] [Indexed: 11/22/2022]
Abstract
This study aimed to investigate the occurrence of Lutzomyia longipalpis and also the canine visceral leishmaniasis (CVL) in a rural area of Ilha Solteira, state of São Paulo. Blood samples were collected from 32 dogs from different rural properties (small farms) and were analyzed by ELISA and the indirect immunofluorescence antibody test (IFAT) in order to diagnose CVL. From these serological tests, 31.25% of the dogs were positive for CVL and these were distributed in 66.7% (8/12) of the rural properties, which were positive for L. longipalpis. CDC (Center for Disease Control and Prevention) light traps were installed in 12 properties (one per property) and insects were caught on three consecutive days per month for one year. L. longipalpis was present on 100% of the rural properties visited, at least once during the twelve-month interval, totaling 64 males and 25 females. The insects were more numerous after the peak of the rain, but the association between prevalence of peridomestic vectors and the climatic data (precipitation, relative air humidity and temperature) and the occurrences of CVL among dogs on each rural property were not statistical significant (p <0.05). However, the occurrence of CVL cases in dogs and the presence of L. longipalpis indicate that more attention is necessairy for the control of this disease in the rural area studied.
Collapse
Affiliation(s)
- Julio Cesar Pereira Spada
- Departamento de Biologia e Zootecnia, Faculdade de Engenharia, Universidade Estadual Paulista - UNESP, Ilha Solteira, SP, Brasil
| | - Diogo Tiago da Silva
- Departamento de Biologia e Zootecnia, Faculdade de Engenharia, Universidade Estadual Paulista - UNESP, Ilha Solteira, SP, Brasil
| | | | | | - Maria Luana Alves
- Departamento de Biologia e Zootecnia, Faculdade de Engenharia, Universidade Estadual Paulista - UNESP, Ilha Solteira, SP, Brasil
| | - Glaucia Amorim Faria
- Departamento de Matemática, Faculdade de Engenharia, Universidade Estadual Paulista - UNESP, Ilha Solteira, SP, Brasil
| | - Marcelo Costa Buzutti
- Departamento de Fitossanidade e Engenharia Rural de Solos, Faculdade de Engenharia, Universidade Estadual Paulista - UNESP, Ilha Solteira, SP, Brasil
| | - Hélio Ricardo Silva
- Departamento de Fitossanidade e Engenharia Rural de Solos, Faculdade de Engenharia, Universidade Estadual Paulista - UNESP, Ilha Solteira, SP, Brasil
| | - Wilma Aparecida Starke-Buzetti
- Departamento de Biologia e Zootecnia, Faculdade de Engenharia, Universidade Estadual Paulista - UNESP, Ilha Solteira, SP, Brasil
| |
Collapse
|