T-cell-mediated regulation of neuroinflammation involved in neurodegenerative diseases

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dc.contributor.authorGonzález, Hugo
dc.contributor.authorPacheco, Rodrigo
dc.date.accessioned2022-12-27T15:29:57Z
dc.date.available2022-12-27T15:29:57Z
dc.date.issued2014
dc.descriptionIndexación: Scopuses
dc.description.abstractNeuroinflammation is involved in several neurodegenerative disorders and emerging evidence indicates that it constitutes a critical process that is required for the progression of neurodegeneration. Microglial activation constitutes a central event in neuroinflammation. Furthermore, microglia can not only be activated with an inflammatory and neurotoxic phenotype (M1-like phenotype), but they also can acquire a neurosupportive functional phenotype (M2-like phenotype) characterised by the production of anti-inflammatory mediators and neurotrophic factors. Importantly, during the past decade, several studies have shown that CD4+ T-cells infiltrate the central nervous system (CNS) in many neurodegenerative disorders, in which their participation has a critical influence on the outcome of microglial activation and consequent neurodegeneration. In this review, we focus on the analysis of the interplay of the different sub-populations of CD4+ T-cells infiltrating the CNS and how they participate in regulating the outcome of neuroinflammation and neurodegeneration in the context of Parkinson's disease, Alzheimer's disease, amyotrophic lateral sclerosis and multiple sclerosis. In this regard, encephalitogenic inflammatory CD4+ T-cells, such as Th1, Th17, GM-CSF-producer CD4+ T-cells and γδT-cells, strongly contribute to chronic neuroinflammation, thus perpetuating neurodegenerative processes. In contrast, encephalitogenic or meningeal Tregs and Th2 cells decrease inflammatory functions in microglial cells and promote a neurosupportive microenvironment. Moreover, whereas some neurodegenerative disorders such as multiple sclerosis, Parkinson's disease and Alzheimer's disease involve the participation of inflammatory CD4+ T-cells 'naturally', the physiopathology of other neurodegenerative diseases, such as amyotrophic lateral sclerosis, is associated with the participation of anti-inflammatory CD4+ T-cells that delay the neurodegenerative process. Thus, current evidence supports the hypothesis that the involvement of CD4+ T-cells against CNS antigens constitutes a key component in regulating the progression of the neurodegenerative process. © González and Pacheco; licensee BioMed Central Ltd.es
dc.description.urihttps://jneuroinflammation.biomedcentral.com/articles/10.1186/s12974-014-0201-8
dc.identifier.citationJournal of Neuroinflammation Volume 11, Issue 1December 02, 2014 Article number 201es
dc.identifier.doi10.1186/s12974-014-0201-8
dc.identifier.issn1742-2094
dc.identifier.urihttps://repositorio.unab.cl/xmlui/handle/ria/25560
dc.language.isoenes
dc.publisherBioMed Central Ltd.es
dc.rights.licenseAtribución 4.0 Internacional (CC BY 4.0)
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/deed.es
dc.subjectCD4+ T-cellses
dc.subjectMicrogliaes
dc.subjectNeurodegenerative disorderses
dc.subjectNeuroinflammationes
dc.titleT-cell-mediated regulation of neuroinflammation involved in neurodegenerative diseaseses
dc.typeArtículoes
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