Deformation of Mitochondrial Cristae in Human Neural Progenitor Cells Exposed to Valproic Acid
Autor(a) principal: | |
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Data de Publicação: | 2018 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Anais da Academia Brasileira de Ciências (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000502223 |
Resumo: | ABSTRACT Neural development represents a dynamic process where mitochondrial integrity is decisive for neuronal activity. Structural changes in these organelles may be related to neurological disorders. Valproic acid (VPA) is an anticonvulsive drug commonly used for epilepsy treatment and its use is associated to increased risk of neuropsychiatric disorders. Recently we showed changes in shape and membrane potential in mitochondria from human neural progenitor cells (NPCs) exposed to VPA (da Costa et al. 2015). Here, we applied transmission electron microscopy and electron tomography to evaluate mitochondrial damage caused by VPA in NPCs. Results showed mitochondrial cristae disorganization in a dose dependent manner. Disturbance in mitochondrial ultrastructure may influence metabolism, leading to synaptic plasticity and neurogenesis impairment. These data contribute to understanding VPA exposure potential effects on brain development. |
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Anais da Academia Brasileira de Ciências (Online) |
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Deformation of Mitochondrial Cristae in Human Neural Progenitor Cells Exposed to Valproic Acidtransmission electron microscopymitochondriavalproic acidepilepsyhuman neural progenitor cellselectron tomographyABSTRACT Neural development represents a dynamic process where mitochondrial integrity is decisive for neuronal activity. Structural changes in these organelles may be related to neurological disorders. Valproic acid (VPA) is an anticonvulsive drug commonly used for epilepsy treatment and its use is associated to increased risk of neuropsychiatric disorders. Recently we showed changes in shape and membrane potential in mitochondria from human neural progenitor cells (NPCs) exposed to VPA (da Costa et al. 2015). Here, we applied transmission electron microscopy and electron tomography to evaluate mitochondrial damage caused by VPA in NPCs. Results showed mitochondrial cristae disorganization in a dose dependent manner. Disturbance in mitochondrial ultrastructure may influence metabolism, leading to synaptic plasticity and neurogenesis impairment. These data contribute to understanding VPA exposure potential effects on brain development.Academia Brasileira de Ciências2018-08-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000502223Anais da Academia Brasileira de Ciências v.90 n.2 suppl.1 2018reponame:Anais da Academia Brasileira de Ciências (Online)instname:Academia Brasileira de Ciências (ABC)instacron:ABC10.1590/0001-3765201820170762info:eu-repo/semantics/openAccessCOSTA,RODRIGO M. DAKARMIRIAN,KARINAREHEN,STEVENS K.eng2019-11-29T00:00:00Zoai:scielo:S0001-37652018000502223Revistahttp://www.scielo.br/aabchttps://old.scielo.br/oai/scielo-oai.php||aabc@abc.org.br1678-26900001-3765opendoar:2019-11-29T00:00Anais da Academia Brasileira de Ciências (Online) - Academia Brasileira de Ciências (ABC)false |
dc.title.none.fl_str_mv |
Deformation of Mitochondrial Cristae in Human Neural Progenitor Cells Exposed to Valproic Acid |
title |
Deformation of Mitochondrial Cristae in Human Neural Progenitor Cells Exposed to Valproic Acid |
spellingShingle |
Deformation of Mitochondrial Cristae in Human Neural Progenitor Cells Exposed to Valproic Acid COSTA,RODRIGO M. DA transmission electron microscopy mitochondria valproic acid epilepsy human neural progenitor cells electron tomography |
title_short |
Deformation of Mitochondrial Cristae in Human Neural Progenitor Cells Exposed to Valproic Acid |
title_full |
Deformation of Mitochondrial Cristae in Human Neural Progenitor Cells Exposed to Valproic Acid |
title_fullStr |
Deformation of Mitochondrial Cristae in Human Neural Progenitor Cells Exposed to Valproic Acid |
title_full_unstemmed |
Deformation of Mitochondrial Cristae in Human Neural Progenitor Cells Exposed to Valproic Acid |
title_sort |
Deformation of Mitochondrial Cristae in Human Neural Progenitor Cells Exposed to Valproic Acid |
author |
COSTA,RODRIGO M. DA |
author_facet |
COSTA,RODRIGO M. DA KARMIRIAN,KARINA REHEN,STEVENS K. |
author_role |
author |
author2 |
KARMIRIAN,KARINA REHEN,STEVENS K. |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
COSTA,RODRIGO M. DA KARMIRIAN,KARINA REHEN,STEVENS K. |
dc.subject.por.fl_str_mv |
transmission electron microscopy mitochondria valproic acid epilepsy human neural progenitor cells electron tomography |
topic |
transmission electron microscopy mitochondria valproic acid epilepsy human neural progenitor cells electron tomography |
description |
ABSTRACT Neural development represents a dynamic process where mitochondrial integrity is decisive for neuronal activity. Structural changes in these organelles may be related to neurological disorders. Valproic acid (VPA) is an anticonvulsive drug commonly used for epilepsy treatment and its use is associated to increased risk of neuropsychiatric disorders. Recently we showed changes in shape and membrane potential in mitochondria from human neural progenitor cells (NPCs) exposed to VPA (da Costa et al. 2015). Here, we applied transmission electron microscopy and electron tomography to evaluate mitochondrial damage caused by VPA in NPCs. Results showed mitochondrial cristae disorganization in a dose dependent manner. Disturbance in mitochondrial ultrastructure may influence metabolism, leading to synaptic plasticity and neurogenesis impairment. These data contribute to understanding VPA exposure potential effects on brain development. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-08-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000502223 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000502223 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/0001-3765201820170762 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Academia Brasileira de Ciências |
publisher.none.fl_str_mv |
Academia Brasileira de Ciências |
dc.source.none.fl_str_mv |
Anais da Academia Brasileira de Ciências v.90 n.2 suppl.1 2018 reponame:Anais da Academia Brasileira de Ciências (Online) instname:Academia Brasileira de Ciências (ABC) instacron:ABC |
instname_str |
Academia Brasileira de Ciências (ABC) |
instacron_str |
ABC |
institution |
ABC |
reponame_str |
Anais da Academia Brasileira de Ciências (Online) |
collection |
Anais da Academia Brasileira de Ciências (Online) |
repository.name.fl_str_mv |
Anais da Academia Brasileira de Ciências (Online) - Academia Brasileira de Ciências (ABC) |
repository.mail.fl_str_mv |
||aabc@abc.org.br |
_version_ |
1754302866542034944 |