Sporadic amyotrophic lateral sclerosis: new hypothesis regarding its etiology and pathogenesis suggests that astrocytes might be the primary target hosting a still unknown external agent

This article briefly describes the already known clinical features and pathogenic mechanisms underlying sporadic amyotrophic lateral sclerosis, namely excitoxicity, oxidative stress, protein damage, inflammation, genetic abnormalities and neuronal death. Thereafter, it puts forward the hypothesis th...

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Main Authors: Roberto E.P. Sica, Alejandro F. De Nicola, María C. González Deniselle, Gabriel Rodriguez, Gisella M. Gargiulo Monachelli, Liliana Martinez Peralta, Mariela Bettini
Format: Article
Language:English
Published: Academia Brasileira de Neurologia (ABNEURO) 2011-08-01
Series:Arquivos de Neuro-Psiquiatria
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X2011000500023&lng=en&tlng=en
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author Roberto E.P. Sica
Alejandro F. De Nicola
María C. González Deniselle
Gabriel Rodriguez
Gisella M. Gargiulo Monachelli
Liliana Martinez Peralta
Mariela Bettini
author_facet Roberto E.P. Sica
Alejandro F. De Nicola
María C. González Deniselle
Gabriel Rodriguez
Gisella M. Gargiulo Monachelli
Liliana Martinez Peralta
Mariela Bettini
author_sort Roberto E.P. Sica
collection DOAJ
description This article briefly describes the already known clinical features and pathogenic mechanisms underlying sporadic amyotrophic lateral sclerosis, namely excitoxicity, oxidative stress, protein damage, inflammation, genetic abnormalities and neuronal death. Thereafter, it puts forward the hypothesis that astrocytes may be the cells which serve as targets for the harmful action of a still unknown environmental agent, while neuronal death may be a secondary event following the initial insult to glial cells. The article also suggests that an emergent virus or a misfolded infectious protein might be potential candidates to accomplish this task.
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spelling doaj.art-e175cc2842504fe5ac0276c78c1cd5422022-12-22T00:28:37ZengAcademia Brasileira de Neurologia (ABNEURO)Arquivos de Neuro-Psiquiatria1678-42272011-08-0169469970610.1590/S0004-282X2011000500023S0004-282X2011000500023Sporadic amyotrophic lateral sclerosis: new hypothesis regarding its etiology and pathogenesis suggests that astrocytes might be the primary target hosting a still unknown external agentRoberto E.P. SicaAlejandro F. De NicolaMaría C. González DeniselleGabriel RodriguezGisella M. Gargiulo MonachelliLiliana Martinez PeraltaMariela BettiniThis article briefly describes the already known clinical features and pathogenic mechanisms underlying sporadic amyotrophic lateral sclerosis, namely excitoxicity, oxidative stress, protein damage, inflammation, genetic abnormalities and neuronal death. Thereafter, it puts forward the hypothesis that astrocytes may be the cells which serve as targets for the harmful action of a still unknown environmental agent, while neuronal death may be a secondary event following the initial insult to glial cells. The article also suggests that an emergent virus or a misfolded infectious protein might be potential candidates to accomplish this task.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X2011000500023&lng=en&tlng=enesclerosis lateral amiotróficaesclerosis lateral amiotrófica esporádicapatogeniaastrocito
spellingShingle Roberto E.P. Sica
Alejandro F. De Nicola
María C. González Deniselle
Gabriel Rodriguez
Gisella M. Gargiulo Monachelli
Liliana Martinez Peralta
Mariela Bettini
Sporadic amyotrophic lateral sclerosis: new hypothesis regarding its etiology and pathogenesis suggests that astrocytes might be the primary target hosting a still unknown external agent
Arquivos de Neuro-Psiquiatria
esclerosis lateral amiotrófica
esclerosis lateral amiotrófica esporádica
patogenia
astrocito
title Sporadic amyotrophic lateral sclerosis: new hypothesis regarding its etiology and pathogenesis suggests that astrocytes might be the primary target hosting a still unknown external agent
title_full Sporadic amyotrophic lateral sclerosis: new hypothesis regarding its etiology and pathogenesis suggests that astrocytes might be the primary target hosting a still unknown external agent
title_fullStr Sporadic amyotrophic lateral sclerosis: new hypothesis regarding its etiology and pathogenesis suggests that astrocytes might be the primary target hosting a still unknown external agent
title_full_unstemmed Sporadic amyotrophic lateral sclerosis: new hypothesis regarding its etiology and pathogenesis suggests that astrocytes might be the primary target hosting a still unknown external agent
title_short Sporadic amyotrophic lateral sclerosis: new hypothesis regarding its etiology and pathogenesis suggests that astrocytes might be the primary target hosting a still unknown external agent
title_sort sporadic amyotrophic lateral sclerosis new hypothesis regarding its etiology and pathogenesis suggests that astrocytes might be the primary target hosting a still unknown external agent
topic esclerosis lateral amiotrófica
esclerosis lateral amiotrófica esporádica
patogenia
astrocito
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X2011000500023&lng=en&tlng=en
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