Low occurrence of equine herpesvirus 1 (EHV-1) as cause of abortion and perinatal mortality in Brazil
- Autores
- Silva, Aline Aparecida da; Cunha, Elenice Maria Sequetin; Souza Hunold Lara, Maria do Carmo Custódio de; Monteforte Cassaro Villalobos, Eliana; Castro Nassar, Alessandra Figueiredo de; Mori, Enio; Zanuzzi, Carolina Natalia; Galosi, Cecilia Monica; Fava, Claudia del
- Año de publicación
- 2018
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Equine herpesvirus type 1 (EHV-1) is an important pathogen that causes abortion, neonatal disease, respiratory disorders, and neurological syndrome in equine populations worldwide. To evaluate EHV-1 as a cause of abortion and perinatal mortality in Brazil, tissue samples from 105 aborted equine fetuses, stillbirths, and foals up to one month of age were examined using virus isolation, immunohistochemistry (IHC), histopathology, and nested polymerase chain reaction (PCR). Two fetuses were positive for EHV-1 by PCR, one of which showed syncytia and eosinophilic intranuclear inclusion bodies in bronchial epithelia, but it was negative by virus isolation. The other showed no characteristic histological lesions, but it was positive by viral isolation. No sample was positive by IHC. The results presented low occurrence of EHV-1 in the studied population and suggested that the use of a combination of techniques increases the likelihood of an accurate diagnosis of EHV-1.
O herpes-vírus equino tipo 1 (HVE-1) é um importante agente patogênico causador de aborto, doença neonatal, distúrbios respiratórios e síndrome neurológica em populações de equinos em todo o mundo. Para avaliar a ocorrência do HVE-1 como agente causal de abortamento e mortalidade perinatal no Brasil, foram examinadas amostras de 105 fetos equinos abortados, natimortos e potros de até 1 mês de idade, utilizando as técnicas de isolamento viral, imuno-histoquímica (IHQ), histopatologia e reação em cadeia da polimerase aninhada (nested-PCR). Dois fetos foram positivos na análise de PCR, e um deles apresentou corpúsculos de inclusão viral eosinofílicos e sincícios no epitélio brônquico, porém foi negativo na análise de isolamento viral. O outro feto não apresentou lesões histológicas características de infecção herpética, mas foi positivo na análise de isolamento viral. Nenhuma amostra apresentou resultado positivo pela análise de IHQ. Os resultados demonstraram baixa ocorrência de HVE-1 na população estudada e que o uso de diferentes técnicas diagnósticas aumenta a probabilidade de um diagnóstico preciso para o HVE-1.
Facultad de Ciencias Veterinarias - Materia
-
Biología
Ciencias Naturales
Ciencias Exactas
Equine herpesvirus 1
Histopathology
Immunohistochemistry
Polymerase chain reaction
Virus isolation
Virología - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by/4.0/
- Repositorio
- Institución
- Universidad Nacional de La Plata
- OAI Identificador
- oai:sedici.unlp.edu.ar:10915/97736
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Low occurrence of equine herpesvirus 1 (EHV-1) as cause of abortion and perinatal mortality in BrazilBaixa ocorrência de herpes-vírus equino 1 (HVE-1) como causa de abortamento e mortalidade perinatal no BrasilSilva, Aline Aparecida daCunha, Elenice Maria SequetinSouza Hunold Lara, Maria do Carmo Custódio deMonteforte Cassaro Villalobos, ElianaCastro Nassar, Alessandra Figueiredo deMori, EnioZanuzzi, Carolina NataliaGalosi, Cecilia MonicaFava, Claudia delBiologíaCiencias NaturalesCiencias ExactasEquine herpesvirus 1HistopathologyImmunohistochemistryPolymerase chain reactionVirus isolationVirologíaEquine herpesvirus type 1 (EHV-1) is an important pathogen that causes abortion, neonatal disease, respiratory disorders, and neurological syndrome in equine populations worldwide. To evaluate EHV-1 as a cause of abortion and perinatal mortality in Brazil, tissue samples from 105 aborted equine fetuses, stillbirths, and foals up to one month of age were examined using virus isolation, immunohistochemistry (IHC), histopathology, and nested polymerase chain reaction (PCR). Two fetuses were positive for EHV-1 by PCR, one of which showed syncytia and eosinophilic intranuclear inclusion bodies in bronchial epithelia, but it was negative by virus isolation. The other showed no characteristic histological lesions, but it was positive by viral isolation. No sample was positive by IHC. The results presented low occurrence of EHV-1 in the studied population and suggested that the use of a combination of techniques increases the likelihood of an accurate diagnosis of EHV-1.O herpes-vírus equino tipo 1 (HVE-1) é um importante agente patogênico causador de aborto, doença neonatal, distúrbios respiratórios e síndrome neurológica em populações de equinos em todo o mundo. Para avaliar a ocorrência do HVE-1 como agente causal de abortamento e mortalidade perinatal no Brasil, foram examinadas amostras de 105 fetos equinos abortados, natimortos e potros de até 1 mês de idade, utilizando as técnicas de isolamento viral, imuno-histoquímica (IHQ), histopatologia e reação em cadeia da polimerase aninhada (nested-PCR). Dois fetos foram positivos na análise de PCR, e um deles apresentou corpúsculos de inclusão viral eosinofílicos e sincícios no epitélio brônquico, porém foi negativo na análise de isolamento viral. O outro feto não apresentou lesões histológicas características de infecção herpética, mas foi positivo na análise de isolamento viral. Nenhuma amostra apresentou resultado positivo pela análise de IHQ. Os resultados demonstraram baixa ocorrência de HVE-1 na população estudada e que o uso de diferentes técnicas diagnósticas aumenta a probabilidade de um diagnóstico preciso para o HVE-1.Facultad de Ciencias Veterinarias2018info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf1-7http://sedici.unlp.edu.ar/handle/10915/97736enginfo:eu-repo/semantics/altIdentifier/url/https://ri.conicet.gov.ar/11336/83461info:eu-repo/semantics/altIdentifier/url/https://www.scielo.br/scielo.php?script=sci_arttext&pid=S1808-16572018000100222&lng=en&tlng=eninfo:eu-repo/semantics/altIdentifier/issn/1808-1657info:eu-repo/semantics/altIdentifier/doi/10.1590/1808-1657000852017info:eu-repo/semantics/altIdentifier/hdl/11336/83461info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0/Creative Commons Attribution 4.0 International (CC BY 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-09-29T11:20:26Zoai:sedici.unlp.edu.ar:10915/97736Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-29 11:20:27.275SEDICI (UNLP) - Universidad Nacional de La Platafalse |
dc.title.none.fl_str_mv |
Low occurrence of equine herpesvirus 1 (EHV-1) as cause of abortion and perinatal mortality in Brazil Baixa ocorrência de herpes-vírus equino 1 (HVE-1) como causa de abortamento e mortalidade perinatal no Brasil |
title |
Low occurrence of equine herpesvirus 1 (EHV-1) as cause of abortion and perinatal mortality in Brazil |
spellingShingle |
Low occurrence of equine herpesvirus 1 (EHV-1) as cause of abortion and perinatal mortality in Brazil Silva, Aline Aparecida da Biología Ciencias Naturales Ciencias Exactas Equine herpesvirus 1 Histopathology Immunohistochemistry Polymerase chain reaction Virus isolation Virología |
title_short |
Low occurrence of equine herpesvirus 1 (EHV-1) as cause of abortion and perinatal mortality in Brazil |
title_full |
Low occurrence of equine herpesvirus 1 (EHV-1) as cause of abortion and perinatal mortality in Brazil |
title_fullStr |
Low occurrence of equine herpesvirus 1 (EHV-1) as cause of abortion and perinatal mortality in Brazil |
title_full_unstemmed |
Low occurrence of equine herpesvirus 1 (EHV-1) as cause of abortion and perinatal mortality in Brazil |
title_sort |
Low occurrence of equine herpesvirus 1 (EHV-1) as cause of abortion and perinatal mortality in Brazil |
dc.creator.none.fl_str_mv |
Silva, Aline Aparecida da Cunha, Elenice Maria Sequetin Souza Hunold Lara, Maria do Carmo Custódio de Monteforte Cassaro Villalobos, Eliana Castro Nassar, Alessandra Figueiredo de Mori, Enio Zanuzzi, Carolina Natalia Galosi, Cecilia Monica Fava, Claudia del |
author |
Silva, Aline Aparecida da |
author_facet |
Silva, Aline Aparecida da Cunha, Elenice Maria Sequetin Souza Hunold Lara, Maria do Carmo Custódio de Monteforte Cassaro Villalobos, Eliana Castro Nassar, Alessandra Figueiredo de Mori, Enio Zanuzzi, Carolina Natalia Galosi, Cecilia Monica Fava, Claudia del |
author_role |
author |
author2 |
Cunha, Elenice Maria Sequetin Souza Hunold Lara, Maria do Carmo Custódio de Monteforte Cassaro Villalobos, Eliana Castro Nassar, Alessandra Figueiredo de Mori, Enio Zanuzzi, Carolina Natalia Galosi, Cecilia Monica Fava, Claudia del |
author2_role |
author author author author author author author author |
dc.subject.none.fl_str_mv |
Biología Ciencias Naturales Ciencias Exactas Equine herpesvirus 1 Histopathology Immunohistochemistry Polymerase chain reaction Virus isolation Virología |
topic |
Biología Ciencias Naturales Ciencias Exactas Equine herpesvirus 1 Histopathology Immunohistochemistry Polymerase chain reaction Virus isolation Virología |
dc.description.none.fl_txt_mv |
Equine herpesvirus type 1 (EHV-1) is an important pathogen that causes abortion, neonatal disease, respiratory disorders, and neurological syndrome in equine populations worldwide. To evaluate EHV-1 as a cause of abortion and perinatal mortality in Brazil, tissue samples from 105 aborted equine fetuses, stillbirths, and foals up to one month of age were examined using virus isolation, immunohistochemistry (IHC), histopathology, and nested polymerase chain reaction (PCR). Two fetuses were positive for EHV-1 by PCR, one of which showed syncytia and eosinophilic intranuclear inclusion bodies in bronchial epithelia, but it was negative by virus isolation. The other showed no characteristic histological lesions, but it was positive by viral isolation. No sample was positive by IHC. The results presented low occurrence of EHV-1 in the studied population and suggested that the use of a combination of techniques increases the likelihood of an accurate diagnosis of EHV-1. O herpes-vírus equino tipo 1 (HVE-1) é um importante agente patogênico causador de aborto, doença neonatal, distúrbios respiratórios e síndrome neurológica em populações de equinos em todo o mundo. Para avaliar a ocorrência do HVE-1 como agente causal de abortamento e mortalidade perinatal no Brasil, foram examinadas amostras de 105 fetos equinos abortados, natimortos e potros de até 1 mês de idade, utilizando as técnicas de isolamento viral, imuno-histoquímica (IHQ), histopatologia e reação em cadeia da polimerase aninhada (nested-PCR). Dois fetos foram positivos na análise de PCR, e um deles apresentou corpúsculos de inclusão viral eosinofílicos e sincícios no epitélio brônquico, porém foi negativo na análise de isolamento viral. O outro feto não apresentou lesões histológicas características de infecção herpética, mas foi positivo na análise de isolamento viral. Nenhuma amostra apresentou resultado positivo pela análise de IHQ. Os resultados demonstraram baixa ocorrência de HVE-1 na população estudada e que o uso de diferentes técnicas diagnósticas aumenta a probabilidade de um diagnóstico preciso para o HVE-1. Facultad de Ciencias Veterinarias |
description |
Equine herpesvirus type 1 (EHV-1) is an important pathogen that causes abortion, neonatal disease, respiratory disorders, and neurological syndrome in equine populations worldwide. To evaluate EHV-1 as a cause of abortion and perinatal mortality in Brazil, tissue samples from 105 aborted equine fetuses, stillbirths, and foals up to one month of age were examined using virus isolation, immunohistochemistry (IHC), histopathology, and nested polymerase chain reaction (PCR). Two fetuses were positive for EHV-1 by PCR, one of which showed syncytia and eosinophilic intranuclear inclusion bodies in bronchial epithelia, but it was negative by virus isolation. The other showed no characteristic histological lesions, but it was positive by viral isolation. No sample was positive by IHC. The results presented low occurrence of EHV-1 in the studied population and suggested that the use of a combination of techniques increases the likelihood of an accurate diagnosis of EHV-1. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018 |
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article |
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http://sedici.unlp.edu.ar/handle/10915/97736 |
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eng |
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eng |
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http://creativecommons.org/licenses/by/4.0/ Creative Commons Attribution 4.0 International (CC BY 4.0) |
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