Please use this identifier to cite or link to this item: https://www.arca.fiocruz.br/handle/icict/35455
Title: Serological study on toxoplasmosis in the Haliti-Paresí community of the Utiariti indigenous territory, Campo Novo do Parecis, Mato Grosso, Brazil
Authors: Santos, Ana Letícia Carvalho
Trettel, Ana Cláudia Pereira Terças
Ribeiro, Luísa de Jesus Babosa Barroso
Vasconcellos, Marcelo Leitão
Zenazokenae, Leonir Evandro
Santos, Marina Atanaka
Lemos, Elba Regina S.
Amendoeira, Maria Regina Reis
Affilliation: Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Toxoplasmose e Outras Protozoases. Rio de Janeiro, RJ. Brasil.
Universidade do Estado de Mato Grosso. Departamento de Enfermagem. Tangará da Serra, MT, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Toxoplasmose e Outras Protozoases. Rio de Janeiro, RJ. Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Toxoplasmose e Outras Protozoases. Rio de Janeiro, RJ. Brasil.
Universidade de Enfermagem do Estado de Mato Grosso. Campus Tangará da Serra. Tangará da Serra, MT, Brasil.
Universidade Federal de mato Grosso. Departamento de Saúde Coletiva. Cuiabá, MT, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Hantaviroses e Rickettsioses. Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Toxoplasmose e Outras Protozoases. Rio de Janeiro, RJ. Brasil.
Abstract: Toxoplasma gondii is the etiological agent of toxoplasmosis, a widespread zoonosis that affects several homeothermic animals, including humans. This disease causes serious health problems, such that 10% of infected individuals develop clinical manifestations. Some studies on indigenous human populations have indicated variations in seroprevalence from 10.6% to 80.4% in such populations in different regions of Brazil and in other countries like Venezuela and Malaysia. To date, there have been no studies regarding the prevalence of anti-T. gondii antibodies in Haliti-Paresí Indians living in Campo Novo do Parecis, Mato Grosso, Brazil. Our objective here was to determine the frequency of occurrence of antibodies against this protozoon in nine Haliti-Paresí villages by correlating seroprevalence with locations and variables. Serodiagnoses were made using the indirect immunofluorescence antibody test (IFAT) and enzyme-linked immunosorbent assay (ELISA) in the Laboratory for Toxoplasmosis and Other Protozoan Diseases of IOC/Fiocruz. It was considered that samples tested positive for T. gondii infection if IgG/IgM antibodies against this protozoon were detected through serodiagnosis using either IFAT or ELISA. Among the 293 samples analyzed, 66.9% presented anti-T. gondii IgG and 3.4% presented anti-T. gondii IgM. It was observed that there were no statistically significant differences in frequency of antibody occurrence among infected individuals, based on sex, schooling or occupation/activities. However, there were statistical differences based on age and villages. The prevalence observed in this study is in agreement with values found in other studies on indigenous populations in Latin America. Like among other such populations, the Haliti-Paresí villages are located close to forests and the individuals have domestic cats as pets, are involved in hunting and farming and consume water directly from water accumulation sources. These factors might cause exposure to T. gondii tissue cysts and oocysts.
Keywords: Toxoplasma infection
Indigenous population
Center-west
Seroepidemiology
keywords: Infecção por toxoplasma
População indigena
Centro-oeste
Brasil
Soroepidemiologia
Issue Date: 2019
Publisher: Elsevier
Citation: SANTOS, Ana Letícia Carvalho et al. Serological study on toxoplasmosis in the Haliti-Paresí community of the Utiariti indigenous territory, Campo Novo do Parecis, Mato Grosso, Brazil. Parasite Epidemiology and Control, v. 3, p. 1-7, 2019.
DOI: 10.1016/j.parepi.2019.e00097
ISSN: 2405-6731
Copyright: restricted access
Appears in Collections:IOC - Artigos de Periódicos

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