Early and late pathogenic events of newborn mice encephalitis experimentally induced by itacaiunas and curionópolis bracorhabdoviruses infection.

In previous reports we proposed a new genus for Rhabdoviridae and described neurotropic preference and gross neuropathology in newborn albino Swiss mice after Curionopolis and Itacaiunas infections. In the present report a time-course study of experimental encephalitis induced by Itacaiunas and Curi...

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Autores principales: José Antonio Picanço Diniz, Zaire Alves Dos Santos, Marcio Augusto Galvão Braga, Adila Liliane Barros Dias, Daisy Elaine Andrade da Silva, Daniele Barbosa de Almeida Medeiros, Vera Lucia Reis de Souza Barros, Jannifer Oliveira Chiang, Kendra Eyllen de Freitas Zoghbi, Juarez Antônio Simões Quaresma, Christina Maeda Takiya, Vivaldo Moura Neto, Wanderley de Souza, Pedro Fernando da Costa Vasconcelos, Cristovam Wanderley Picanço Diniz
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Publicado: Public Library of Science (PLoS) 2008
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spelling oai:doaj.org-article:04d41c781ec744eea335a1c0281b1a332021-11-25T06:13:10ZEarly and late pathogenic events of newborn mice encephalitis experimentally induced by itacaiunas and curionópolis bracorhabdoviruses infection.1932-620310.1371/journal.pone.0001733https://doaj.org/article/04d41c781ec744eea335a1c0281b1a332008-03-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/18320052/?tool=EBIhttps://doaj.org/toc/1932-6203In previous reports we proposed a new genus for Rhabdoviridae and described neurotropic preference and gross neuropathology in newborn albino Swiss mice after Curionopolis and Itacaiunas infections. In the present report a time-course study of experimental encephalitis induced by Itacaiunas and Curionopolis virus was conducted both in vivo and in vitro to investigate cellular targets and the sequence of neuroinvasion. We also investigate, after intranasal inoculation, clinical signs, histopathology and apoptosis in correlation with viral immunolabeling at different time points. Curionopolis and Itacaiunas viral antigens were first detected in the parenchyma of olfactory pathways at 2 and 3 days post-inoculation (dpi) and the first clinical signs were observed at 4 and 8 dpi, respectively. After Curionopolis infection, the mortality rate was 100% between 5 and 6 dpi, and 35% between 8 and 15 dpi after Itacaiunas infection. We identified CNS mice cell types both in vivo and in vitro and the temporal sequence of neuroanatomical olfactory areas infected by Itacaiunas and Curionopolis virus. Distinct virulences were reflected in the neuropathological changes including TUNEL immunolabeling and cytopathic effects, more intense and precocious after intracerebral or in vitro inoculations of Curionopolis than after Itacaiunas virus. In vitro studies revealed neuronal but not astrocyte or microglial cytopathic effects at 2 dpi, with monolayer destruction occurring at 5 and 7 dpi with Curionopolis and Itacaiunas virus, respectively. Ultrastructural changes included virus budding associated with interstitial and perivascular edema, endothelial hypertrophy, a reduced and/or collapsed small vessel luminal area, thickening of the capillary basement membrane, and presence of phagocytosed apoptotic bodies. Glial cells with viral budding similar to oligodendrocytes were infected with Itacaiunas virus but not with Curionopolis virus. Thus, Curionopolis and Itacaiunas viruses share many pathological and clinical features present in other rhabdoviruses but distinct virulence and glial targets in newborn albino Swiss mice brain.José Antonio Picanço DinizZaire Alves Dos SantosMarcio Augusto Galvão BragaAdila Liliane Barros DiasDaisy Elaine Andrade da SilvaDaniele Barbosa de Almeida MedeirosVera Lucia Reis de Souza BarrosJannifer Oliveira ChiangKendra Eyllen de Freitas ZoghbiJuarez Antônio Simões QuaresmaChristina Maeda TakiyaVivaldo Moura NetoWanderley de SouzaPedro Fernando da Costa VasconcelosCristovam Wanderley Picanço DinizPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 3, Iss 3, p e1733 (2008)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
José Antonio Picanço Diniz
Zaire Alves Dos Santos
Marcio Augusto Galvão Braga
Adila Liliane Barros Dias
Daisy Elaine Andrade da Silva
Daniele Barbosa de Almeida Medeiros
Vera Lucia Reis de Souza Barros
Jannifer Oliveira Chiang
Kendra Eyllen de Freitas Zoghbi
Juarez Antônio Simões Quaresma
Christina Maeda Takiya
Vivaldo Moura Neto
Wanderley de Souza
Pedro Fernando da Costa Vasconcelos
Cristovam Wanderley Picanço Diniz
Early and late pathogenic events of newborn mice encephalitis experimentally induced by itacaiunas and curionópolis bracorhabdoviruses infection.
description In previous reports we proposed a new genus for Rhabdoviridae and described neurotropic preference and gross neuropathology in newborn albino Swiss mice after Curionopolis and Itacaiunas infections. In the present report a time-course study of experimental encephalitis induced by Itacaiunas and Curionopolis virus was conducted both in vivo and in vitro to investigate cellular targets and the sequence of neuroinvasion. We also investigate, after intranasal inoculation, clinical signs, histopathology and apoptosis in correlation with viral immunolabeling at different time points. Curionopolis and Itacaiunas viral antigens were first detected in the parenchyma of olfactory pathways at 2 and 3 days post-inoculation (dpi) and the first clinical signs were observed at 4 and 8 dpi, respectively. After Curionopolis infection, the mortality rate was 100% between 5 and 6 dpi, and 35% between 8 and 15 dpi after Itacaiunas infection. We identified CNS mice cell types both in vivo and in vitro and the temporal sequence of neuroanatomical olfactory areas infected by Itacaiunas and Curionopolis virus. Distinct virulences were reflected in the neuropathological changes including TUNEL immunolabeling and cytopathic effects, more intense and precocious after intracerebral or in vitro inoculations of Curionopolis than after Itacaiunas virus. In vitro studies revealed neuronal but not astrocyte or microglial cytopathic effects at 2 dpi, with monolayer destruction occurring at 5 and 7 dpi with Curionopolis and Itacaiunas virus, respectively. Ultrastructural changes included virus budding associated with interstitial and perivascular edema, endothelial hypertrophy, a reduced and/or collapsed small vessel luminal area, thickening of the capillary basement membrane, and presence of phagocytosed apoptotic bodies. Glial cells with viral budding similar to oligodendrocytes were infected with Itacaiunas virus but not with Curionopolis virus. Thus, Curionopolis and Itacaiunas viruses share many pathological and clinical features present in other rhabdoviruses but distinct virulence and glial targets in newborn albino Swiss mice brain.
format article
author José Antonio Picanço Diniz
Zaire Alves Dos Santos
Marcio Augusto Galvão Braga
Adila Liliane Barros Dias
Daisy Elaine Andrade da Silva
Daniele Barbosa de Almeida Medeiros
Vera Lucia Reis de Souza Barros
Jannifer Oliveira Chiang
Kendra Eyllen de Freitas Zoghbi
Juarez Antônio Simões Quaresma
Christina Maeda Takiya
Vivaldo Moura Neto
Wanderley de Souza
Pedro Fernando da Costa Vasconcelos
Cristovam Wanderley Picanço Diniz
author_facet José Antonio Picanço Diniz
Zaire Alves Dos Santos
Marcio Augusto Galvão Braga
Adila Liliane Barros Dias
Daisy Elaine Andrade da Silva
Daniele Barbosa de Almeida Medeiros
Vera Lucia Reis de Souza Barros
Jannifer Oliveira Chiang
Kendra Eyllen de Freitas Zoghbi
Juarez Antônio Simões Quaresma
Christina Maeda Takiya
Vivaldo Moura Neto
Wanderley de Souza
Pedro Fernando da Costa Vasconcelos
Cristovam Wanderley Picanço Diniz
author_sort José Antonio Picanço Diniz
title Early and late pathogenic events of newborn mice encephalitis experimentally induced by itacaiunas and curionópolis bracorhabdoviruses infection.
title_short Early and late pathogenic events of newborn mice encephalitis experimentally induced by itacaiunas and curionópolis bracorhabdoviruses infection.
title_full Early and late pathogenic events of newborn mice encephalitis experimentally induced by itacaiunas and curionópolis bracorhabdoviruses infection.
title_fullStr Early and late pathogenic events of newborn mice encephalitis experimentally induced by itacaiunas and curionópolis bracorhabdoviruses infection.
title_full_unstemmed Early and late pathogenic events of newborn mice encephalitis experimentally induced by itacaiunas and curionópolis bracorhabdoviruses infection.
title_sort early and late pathogenic events of newborn mice encephalitis experimentally induced by itacaiunas and curionópolis bracorhabdoviruses infection.
publisher Public Library of Science (PLoS)
publishDate 2008
url https://doaj.org/article/04d41c781ec744eea335a1c0281b1a33
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