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Nessim J, Luna-Ramirez JC, Moreno-Gómez GA, Galvis-Soto DM, Gomez-Marin JE. Estimations of the number people with mental diseases associated with toxoplasmosis and identification of risk factors by continent. Psychiatry Res 2023; 323:115130. [PMID: 36913872 DOI: 10.1016/j.psychres.2023.115130] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 02/18/2023] [Accepted: 02/20/2023] [Indexed: 03/15/2023]
Abstract
Strong evidence exists based on metanalysis of the relationship between toxoplasmosis and many psychiatric diseases: schizophrenia, bipolar disorder, and suicidal behavior. Herein, we estimate the number of cases based on the attributable fraction due to toxoplasmosis on these diseases. The population attributable fraction of mental disease associated with toxoplasmosis was 20,4% for schizophrenia; 27,3% for bipolar disorder; and 0,29% for suicidal behavior (self-harm). The lower and upper estimated number of people with mental disease associated with toxoplasmosis was 4'816.491 and 5'564.407 for schizophrenia; 6'348.946 and 7'510.118,82 for bipolar disorder; and 24.310 and 28.151 for self-harm; for a global total lower estimated number of 11'189.748 and global total upper estimated number of 13'102.678 people with mental disease associated with toxoplasmosis for the year 2019. According to the prediction through the Bayesian model of risk factors for toxoplasmosis associated with mental disease, these varied in importance geographically; thus, in Africa, the most important risk factor was water contamination and in the European region, the cooking conditions of meats. Toxoplasmosis and mental health should be a research priority given the enormous potential impact of reducing this parasite in the general population.
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Affiliation(s)
- Jennifer Nessim
- Molecular Parasitology Group (GEPAMOL, for the term in Spanish), Biomedical Research Center, Faculty of Health Sciences, Universidad del Quindío, Armenia, Colombia
| | | | | | | | - Jorge E Gomez-Marin
- Molecular Parasitology Group (GEPAMOL, for the term in Spanish), Biomedical Research Center, Faculty of Health Sciences, Universidad del Quindío, Armenia, Colombia.
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de Moura CEBR, de Sá Jayme V, de Oliveira Monteiro CM, Lopes WDZ, Soares VE, Rossi GAM, Gambarini ML, de Castro AM, de Souza JY, de Oliveira VSF, de Amaral Leal A, Arnhold E, Teixeira WFP. Spatial distribution and risk factors for sheep toxoplasmosis in Goiás, Brazilian Cerrado Region. Vet Parasitol Reg Stud Reports 2021; 26:100625. [PMID: 34879937 DOI: 10.1016/j.vprsr.2021.100625] [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: 07/05/2021] [Revised: 08/19/2021] [Accepted: 08/24/2021] [Indexed: 11/30/2022]
Abstract
The present study aimed to evaluate the spatial distribution and risk factors for infection by Toxoplasma gondii in sheep in the state of Goiás, located in the central-western region of Brazil. Through the immunofluorescence antibody test (IFAT), the seroprevalence of anti-T. gondii antibodies was analyzed in 1000 blood serum samples obtained from sheep in all macro and micro regions of the state of Goiás. Data related to sex, age of the animals, size of the farm, type of farm, water source, veterinary assistance, replacement of the herd, presence of domestic cats, presence of wild cats and presence of other wild animals were obtained at the sampling time. The differences between the seroprevalences obtained in relation to the variables analyzed were estimated using Pearson's chi-square test (χ2). The odds ratio (OR) values for each risk factor evaluated were statistically analyzed with a confidence interval of 95%. Positivity for IgG anti-T. gondii was observed (titer ≥64) in 34.3% (343/1000) of the samples, which ranged from 26.9% (31/115) to 44.2% (53/120) and from 21.8 (12/55) to 55.2% (16 / 29), respectively in the analyzed mesoregions and microregions. In all investigated regions of the State of Goiás, serum-reactive animals were detected with the age of the animals, the source of water, the form of replacement of the herd and the presence of domestic cats and wild animals risk factors statistically associated with the occurrence of T. gondii in animals.
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Affiliation(s)
| | - Valéria de Sá Jayme
- School of Veterinary and Zootechnics, Federal University of Goiás, Goiânia, Goiás, Brazil.
| | - Caio Marcio de Oliveira Monteiro
- School of Veterinary and Zootechnics, Federal University of Goiás, Goiânia, Goiás, Brazil; Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil.
| | - Welber Daniel Zanetti Lopes
- School of Veterinary and Zootechnics, Federal University of Goiás, Goiânia, Goiás, Brazil; Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil.
| | | | | | - Maria Lúcia Gambarini
- School of Veterinary and Zootechnics, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Ana Maria de Castro
- Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Jéssica Yonara de Souza
- Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil
| | | | | | - Emmanuel Arnhold
- School of Veterinary and Zootechnics, Federal University of Goiás, Goiânia, Goiás, Brazil
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Dubey JP, Murata FHA, Cerqueira-Cézar CK, Kwok OCH, Su C. Economic and public health importance of Toxoplasma gondii infections in sheep: 2009-2020. Vet Parasitol 2020; 286:109195. [PMID: 32979682 DOI: 10.1016/j.vetpar.2020.109195] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Toxoplasma gondii infections are common in humans and animals worldwide. The present review summarizes worldwide information on the prevalence of clinical and subclinical infections, epidemiology, diagnosis, control, and genetic diversity of T. gondii in sheep in the past decade. There is debate and uncertainty concerning repeat congenital infection as evidenced by finding T. gondii DNA in progeny of chronically infected sheep. However, there is no concrete evidence that T. gondii is the cause of repeated abortions in sheep. Recent data concerning pathogenesis of abortion in acutely infected sheep are reviewed. PCR-RFLP typing of T. gondii DNA derived from viable T. gondii isolates or tissues of infected sheep revealed low genetic diversity in sheep in Europe, Africa, Asia and North America but high diversity in South America. This review will be of interest to biologists, parasitologists, veterinarians, and public health workers.
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Affiliation(s)
- J P Dubey
- United States Department of Agriculture, Agricultural Research Service, Beltsville Agricultural Research Center, Animal Parasitic Diseases Laboratory, Beltsville, MD 20705-2350, USA.
| | - F H A Murata
- United States Department of Agriculture, Agricultural Research Service, Beltsville Agricultural Research Center, Animal Parasitic Diseases Laboratory, Beltsville, MD 20705-2350, USA
| | - C K Cerqueira-Cézar
- United States Department of Agriculture, Agricultural Research Service, Beltsville Agricultural Research Center, Animal Parasitic Diseases Laboratory, Beltsville, MD 20705-2350, USA
| | - O C H Kwok
- United States Department of Agriculture, Agricultural Research Service, Beltsville Agricultural Research Center, Animal Parasitic Diseases Laboratory, Beltsville, MD 20705-2350, USA
| | - C Su
- Department of Microbiology, University of Tennessee, Knoxville, TN 37996-0845, USA
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Dubey J, Murata F, Cerqueira-Cézar C, Kwok O, Su C. WITHDRAWN: Economic and public health importance of Toxoplasma gondii infections in sheep: the last decade. Vet Parasitol X 2020. [DOI: 10.1016/j.vpoa.2020.100028] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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