2011
DOI: 10.1017/s1740925x12000014
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Microglia and neuronal cell death

Abstract: Microglia, the brain's innate immune cell type, are cells of mesodermal origin that populate the central nervous system (CNS) during development. Undifferentiated microglia, also called ameboid microglia, have the ability to proliferate, phagocytose apoptotic cells and migrate long distances toward their final destinations throughout all CNS regions, where they acquire a mature ramified morphological phenotype. Recent studies indicate that ameboid microglial cells not only have a scavenger role during developm… Show more

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Cited by 128 publications
(103 citation statements)
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References 182 publications
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“…Peptide5 was also effective in preventing activation of retinal microglia, which in the LD model may release neurotoxic factors, inducing neurons to start or continue the cell death process. 48 Abundant free radical nitric oxide and reactive Significant values are indicated with asterisks: *P < 0.05; **P < 0.01; ***P < 0.001.…”
Section: Discussionmentioning
confidence: 99%
“…Peptide5 was also effective in preventing activation of retinal microglia, which in the LD model may release neurotoxic factors, inducing neurons to start or continue the cell death process. 48 Abundant free radical nitric oxide and reactive Significant values are indicated with asterisks: *P < 0.05; **P < 0.01; ***P < 0.001.…”
Section: Discussionmentioning
confidence: 99%
“…Several chemokines and chemokines receptors (fraktalkine, CD200) control neuron-microglia interactions and a loss of this control can trigger microglial reactivity (Blank and Prinz, 2013;Chapman et al, 2000;Streit et al, 2001). Upon injury causing neuronal death (mainly necrotic), signals termed DamageAssociated Molecular Patterns (DAMPs) are released by damaged neurons and promote microglial reactivity (Marin-Teva et al, 2011;Katsumoto et al, 2014;Ransohoff and Brown, 2014). Toll-like receptors (TLRs) are pattern-recognition receptors that recognise specific pathogen-and danger-associated molecular signatures (PAMPs and DAMPs) and subsequently initiate inflammatory and immune responses.…”
Section: How Does This Key Event Relationship Workmentioning
confidence: 99%
“…entre os receptores no córtex pré-frontal e regiões hipotalâmicas vem sendo implicado como uma das causas da depressão maior em pacientes (Marin-Teva et al, 2011 (Yeager et al, 2011).…”
Section: Lps Glicocorticoides E Nfkbunclassified
“…Trabalhos sugerem que enquanto a ativação neuronal deste fator seria benéfica e poderia estar envolvida em processos de plasticidade neuronal e desenvolvimento celular, sua ativação em células da glia, principalmente na microglia, estaria envolvida nos processos inflamatórios e degenerativos, com aumento da síntese e liberação de citocinas e produção de espécies reativas de oxigênio (Marin-Teva et al, 2011;Saijo et al, 2011). Desta maneira, devido à diferença de sensibilidade das células em culturas mistas e enriquecidas ao LPS e CORT, e devido às diferentes funções do NFKB nos diferentes tipos celulares, nosso próximo passo, foi verificar os papéis desempenhados por cada tipo celular, neurônios, microglia e astrócitos, nas diferentes respostas observadas nos modelos de cultura testados.…”
Section: Nfkb E Tipos Celularesunclassified
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