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Serological and molecular detection of Neospora caninum and Toxoplasma gondii in human umbilical cord blood and placental tissue samples
Neosporosis primarily affects cattle and dogs and is not currently considered a zoonotic disease. Toxoplasmosis is a zoonosis with a worldwide distribution that is asymptomatic in most cases, but when acquired during pregnancy, it can have serious consequences. The seropositivity rates determined by...
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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Nature Publishing Group UK
2020
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7271125/ https://www.ncbi.nlm.nih.gov/pubmed/32493968 http://dx.doi.org/10.1038/s41598-020-65991-1 |
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author | Duarte, Pâmella Oliveira Oshiro, Leandra Marla Zimmermann, Namor Pinheiro Csordas, Bárbara Guimarães Dourado, Doroty Mesquita Barros, Jacqueline Cavalcante Andreotti, Renato |
author_facet | Duarte, Pâmella Oliveira Oshiro, Leandra Marla Zimmermann, Namor Pinheiro Csordas, Bárbara Guimarães Dourado, Doroty Mesquita Barros, Jacqueline Cavalcante Andreotti, Renato |
author_sort | Duarte, Pâmella Oliveira |
collection | PubMed |
description | Neosporosis primarily affects cattle and dogs and is not currently considered a zoonotic disease. Toxoplasmosis is a zoonosis with a worldwide distribution that is asymptomatic in most cases, but when acquired during pregnancy, it can have serious consequences. The seropositivity rates determined by the indirect fluorescent antibody test for Neospora caninum (N. caninum) and Toxoplasma gondii (T. gondii) were 24.3% (49 samples) and 26.8% (54 samples), respectively. PCR positivity for N. caninum was observed in two samples of cord blood (1%) using the Nc5 and ITS1 gene, positivity for T. gondii was observed in 16 samples using the primer for the B1 gene (5.5% positivity in cord blood and 2.5% positivity in placental tissue). None of the samples showed structures characteristic of tissue cysts or inflammatory infiltrate on histopathology. Significant associations were observed only between N. caninum seropositivity and the presence of domestic animals (p = 0.039) and presence of dogs (p = 0.038) and between T. gondii seropositivity and basic sanitation (p = 0.04). This study obtained important findings regarding the seroprevalence and molecular detection of N. caninum and T. gondii in pregnant women; however, more studies are necessary to establish a correlation between risk factors and infection. |
format | Online Article Text |
id | pubmed-7271125 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2020 |
publisher | Nature Publishing Group UK |
record_format | MEDLINE/PubMed |
spelling | pubmed-72711252020-06-05 Serological and molecular detection of Neospora caninum and Toxoplasma gondii in human umbilical cord blood and placental tissue samples Duarte, Pâmella Oliveira Oshiro, Leandra Marla Zimmermann, Namor Pinheiro Csordas, Bárbara Guimarães Dourado, Doroty Mesquita Barros, Jacqueline Cavalcante Andreotti, Renato Sci Rep Article Neosporosis primarily affects cattle and dogs and is not currently considered a zoonotic disease. Toxoplasmosis is a zoonosis with a worldwide distribution that is asymptomatic in most cases, but when acquired during pregnancy, it can have serious consequences. The seropositivity rates determined by the indirect fluorescent antibody test for Neospora caninum (N. caninum) and Toxoplasma gondii (T. gondii) were 24.3% (49 samples) and 26.8% (54 samples), respectively. PCR positivity for N. caninum was observed in two samples of cord blood (1%) using the Nc5 and ITS1 gene, positivity for T. gondii was observed in 16 samples using the primer for the B1 gene (5.5% positivity in cord blood and 2.5% positivity in placental tissue). None of the samples showed structures characteristic of tissue cysts or inflammatory infiltrate on histopathology. Significant associations were observed only between N. caninum seropositivity and the presence of domestic animals (p = 0.039) and presence of dogs (p = 0.038) and between T. gondii seropositivity and basic sanitation (p = 0.04). This study obtained important findings regarding the seroprevalence and molecular detection of N. caninum and T. gondii in pregnant women; however, more studies are necessary to establish a correlation between risk factors and infection. Nature Publishing Group UK 2020-06-03 /pmc/articles/PMC7271125/ /pubmed/32493968 http://dx.doi.org/10.1038/s41598-020-65991-1 Text en © The Author(s) 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. |
spellingShingle | Article Duarte, Pâmella Oliveira Oshiro, Leandra Marla Zimmermann, Namor Pinheiro Csordas, Bárbara Guimarães Dourado, Doroty Mesquita Barros, Jacqueline Cavalcante Andreotti, Renato Serological and molecular detection of Neospora caninum and Toxoplasma gondii in human umbilical cord blood and placental tissue samples |
title | Serological and molecular detection of Neospora caninum and Toxoplasma gondii in human umbilical cord blood and placental tissue samples |
title_full | Serological and molecular detection of Neospora caninum and Toxoplasma gondii in human umbilical cord blood and placental tissue samples |
title_fullStr | Serological and molecular detection of Neospora caninum and Toxoplasma gondii in human umbilical cord blood and placental tissue samples |
title_full_unstemmed | Serological and molecular detection of Neospora caninum and Toxoplasma gondii in human umbilical cord blood and placental tissue samples |
title_short | Serological and molecular detection of Neospora caninum and Toxoplasma gondii in human umbilical cord blood and placental tissue samples |
title_sort | serological and molecular detection of neospora caninum and toxoplasma gondii in human umbilical cord blood and placental tissue samples |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7271125/ https://www.ncbi.nlm.nih.gov/pubmed/32493968 http://dx.doi.org/10.1038/s41598-020-65991-1 |
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