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Isolation of Cortical Microglia with Preserved Immunophenotype and Functionality From Murine Neonates
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Neuroinflammation: microglial activation during sepsis

Monique Michels, Lucineia G Danielski, Felipe Dal-Pizzol

  • 1Programa de Pos Graduacao em Ciencias da Saude, Universidade do Sul de Santa Catarina, Tubarao, SC, Brazil, Avenida Jose Acacio Moreira, 787, 88704-900. fabricia.petronilho@unisul.br.

Current Neurovascular Research
|May 22, 2014
PubMed

Insights

Microglia, the brain's immune cells, become activated during sepsis, contributing to neuroinflammation and brain damage. Understanding their role is key to addressing sepsis-associated encephalopathy.

Area of Science:

  • Neuroscience
  • Immunology
  • Toxicology

Background:

  • Neuroinflammation is implicated in both acute brain damage and chronic neurological diseases.
  • Microglia, the central nervous system (CNS) resident immune cells, function similarly to peripheral macrophages.
  • Microglial activation releases cytokines and chemokines to clear extracellular toxins, but can also contribute to CNS damage.

Purpose of the Study:

  • To elucidate the critical role of microglia in sepsis-induced neuroinflammation.
  • To describe the cellular mechanisms underlying microglial activation during sepsis.
  • To highlight the relevance of microglia in neurotoxicology, particularly in the context of septic encephalopathy.

Main Methods:

  • This is a review article, synthesizing existing research on microglia and sepsis.
  • Focuses on cellular mechanisms of microglial activation.
  • Examines the relationship between microglia and neuroinflammation in sepsis.

Main Results:

  • Microglial activation during sepsis leads to the production of inflammatory mediators.
  • This activation can compromise the blood-brain barrier integrity.
  • Reactive oxygen species produced by activated microglia contribute to CNS damage progression.

Conclusions:

  • Microglia play a significant role in the neuroinflammatory processes associated with sepsis.
  • Understanding microglial activation pathways is crucial for developing therapeutic strategies for septic encephalopathy.
  • Further research into microglia-neuroinflammation interactions in sepsis is warranted.

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