Zika virus exposure affects neuron-glia communication in the hippocampal slices of adult rats

Abstract Zika virus (ZIKV) infection during pregnancy was associated with microcephaly in neonates, but clinical and experimental evidence indicate that ZIKV also causes neurological complications in adults. However, the changes in neuron-glial communication, which is essential for brain homeostasis...

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Autores principales: Larissa Daniele Bobermin, André Quincozes-Santos, Camila Leite Santos, Ana Paula M. Varela, Thais F. Teixeira, Krista Minéia Wartchow, Lílian Juliana Lissner, Amanda da Silva, Natalie K. Thomaz, Lucélia Santi, Walter O. Beys-da-Silva, Paulo M. Roehe, Patrícia Sesterheim, Jorge A. Guimarães, Carlos-Alberto Gonçalves, Diogo Onofre Souza
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Publicado: Nature Portfolio 2020
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spelling oai:doaj.org-article:7355227ebb4649638543ccf12321e6ad2021-12-02T11:43:44ZZika virus exposure affects neuron-glia communication in the hippocampal slices of adult rats10.1038/s41598-020-78735-y2045-2322https://doaj.org/article/7355227ebb4649638543ccf12321e6ad2020-12-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-78735-yhttps://doaj.org/toc/2045-2322Abstract Zika virus (ZIKV) infection during pregnancy was associated with microcephaly in neonates, but clinical and experimental evidence indicate that ZIKV also causes neurological complications in adults. However, the changes in neuron-glial communication, which is essential for brain homeostasis, are still unknown. Here, we report that hippocampal slices from adult rats exposed acutely to ZIKV showed significant cellular alterations regarding to redox homeostasis, inflammatory process, neurotrophic functions and molecular signalling pathways associated with neurons and glial cells. Our findings support the hypothesis that ZIKV is highly neurotropic and its infection readily induces an inflammatory response, characterized by an increased expression and/or release of pro-inflammatory cytokines. We also observed changes in neural parameters, such as adenosine receptor A2a expression, as well as in the release of brain-derived neurotrophic factor and neuron-specific enolase, indicating plasticity synaptic impairment/neuronal damage. In addition, ZIKV induced a glial commitment, with alterations in specific and functional parameters such as aquaporin 4 expression, S100B secretion and glutathione synthesis. ZIKV also induced p21 senescence-associated gene expression, indicating that ZIKV may induce early senescence. Taken together, our results indicate that ZIKV-induced neuroinflammation, involving nuclear factor erythroid 2-related factor 2 (Nrf2) and nuclear factor κB (NFκB) pathways, affects important aspects of neuron-glia communication. Therefore, although ZIKV infection is transient, long-term consequences might be associated with neurological and/or neurodegenerative diseases.Larissa Daniele BoberminAndré Quincozes-SantosCamila Leite SantosAna Paula M. VarelaThais F. TeixeiraKrista Minéia WartchowLílian Juliana LissnerAmanda da SilvaNatalie K. ThomazLucélia SantiWalter O. Beys-da-SilvaPaulo M. RoehePatrícia SesterheimJorge A. GuimarãesCarlos-Alberto GonçalvesDiogo Onofre SouzaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-11 (2020)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Larissa Daniele Bobermin
André Quincozes-Santos
Camila Leite Santos
Ana Paula M. Varela
Thais F. Teixeira
Krista Minéia Wartchow
Lílian Juliana Lissner
Amanda da Silva
Natalie K. Thomaz
Lucélia Santi
Walter O. Beys-da-Silva
Paulo M. Roehe
Patrícia Sesterheim
Jorge A. Guimarães
Carlos-Alberto Gonçalves
Diogo Onofre Souza
Zika virus exposure affects neuron-glia communication in the hippocampal slices of adult rats
description Abstract Zika virus (ZIKV) infection during pregnancy was associated with microcephaly in neonates, but clinical and experimental evidence indicate that ZIKV also causes neurological complications in adults. However, the changes in neuron-glial communication, which is essential for brain homeostasis, are still unknown. Here, we report that hippocampal slices from adult rats exposed acutely to ZIKV showed significant cellular alterations regarding to redox homeostasis, inflammatory process, neurotrophic functions and molecular signalling pathways associated with neurons and glial cells. Our findings support the hypothesis that ZIKV is highly neurotropic and its infection readily induces an inflammatory response, characterized by an increased expression and/or release of pro-inflammatory cytokines. We also observed changes in neural parameters, such as adenosine receptor A2a expression, as well as in the release of brain-derived neurotrophic factor and neuron-specific enolase, indicating plasticity synaptic impairment/neuronal damage. In addition, ZIKV induced a glial commitment, with alterations in specific and functional parameters such as aquaporin 4 expression, S100B secretion and glutathione synthesis. ZIKV also induced p21 senescence-associated gene expression, indicating that ZIKV may induce early senescence. Taken together, our results indicate that ZIKV-induced neuroinflammation, involving nuclear factor erythroid 2-related factor 2 (Nrf2) and nuclear factor κB (NFκB) pathways, affects important aspects of neuron-glia communication. Therefore, although ZIKV infection is transient, long-term consequences might be associated with neurological and/or neurodegenerative diseases.
format article
author Larissa Daniele Bobermin
André Quincozes-Santos
Camila Leite Santos
Ana Paula M. Varela
Thais F. Teixeira
Krista Minéia Wartchow
Lílian Juliana Lissner
Amanda da Silva
Natalie K. Thomaz
Lucélia Santi
Walter O. Beys-da-Silva
Paulo M. Roehe
Patrícia Sesterheim
Jorge A. Guimarães
Carlos-Alberto Gonçalves
Diogo Onofre Souza
author_facet Larissa Daniele Bobermin
André Quincozes-Santos
Camila Leite Santos
Ana Paula M. Varela
Thais F. Teixeira
Krista Minéia Wartchow
Lílian Juliana Lissner
Amanda da Silva
Natalie K. Thomaz
Lucélia Santi
Walter O. Beys-da-Silva
Paulo M. Roehe
Patrícia Sesterheim
Jorge A. Guimarães
Carlos-Alberto Gonçalves
Diogo Onofre Souza
author_sort Larissa Daniele Bobermin
title Zika virus exposure affects neuron-glia communication in the hippocampal slices of adult rats
title_short Zika virus exposure affects neuron-glia communication in the hippocampal slices of adult rats
title_full Zika virus exposure affects neuron-glia communication in the hippocampal slices of adult rats
title_fullStr Zika virus exposure affects neuron-glia communication in the hippocampal slices of adult rats
title_full_unstemmed Zika virus exposure affects neuron-glia communication in the hippocampal slices of adult rats
title_sort zika virus exposure affects neuron-glia communication in the hippocampal slices of adult rats
publisher Nature Portfolio
publishDate 2020
url https://doaj.org/article/7355227ebb4649638543ccf12321e6ad
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