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<p>Sepsis-associated encephalopathy (SAE) is a neurological dysfunction induced by sepsis, with symptoms ranging from mild delirium to deep coma. About 70% of patients with severe systemic infection develop SAE and with more than half of surviving patients suffering from long-term cognitive deficits, which seriously damaged the quality of their daily life and brought a heavy burden to society. The pathogenesis of SAE is multifactorial, including activated inflammation, blood- brain barrier (BBB) disruption, cerebral blood flow impairment, and neurotransmitter disturbances. Microglia mediate multiple SAE pathologies. In this review, we summarized the most recent findings in the roles of microglia in every stage of SAE pathogenesis, focusing on the molecular pathways in microglia activation and downstream effects. We also demonstrated the novel therapeutic studies targeting microglia in SAE. Deep insight into the role of microglia in SAE is of great importance in exploring pathogenesis and developing effective remedies of SAE.</p>

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Convergence of sepsis-associated encephalopathy pathogenesis onto microglia

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年6月3日

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  • Dan Xiao,
  • Xiao Wang,
  • Wanting Liang,
  • Yunshu Yang,
  • Yuting Du,
  • Chunmao Liu,
  • Feiyang Xu,
  • Yang Yang,
  • Mengying Wei,
  • Guodong Yang

摘要

Sepsis-associated encephalopathy (SAE) is a neurological dysfunction induced by sepsis, with symptoms ranging from mild delirium to deep coma. About 70% of patients with severe systemic infection develop SAE and with more than half of surviving patients suffering from long-term cognitive deficits, which seriously damaged the quality of their daily life and brought a heavy burden to society. The pathogenesis of SAE is multifactorial, including activated inflammation, blood- brain barrier (BBB) disruption, cerebral blood flow impairment, and neurotransmitter disturbances. Microglia mediate multiple SAE pathologies. In this review, we summarized the most recent findings in the roles of microglia in every stage of SAE pathogenesis, focusing on the molecular pathways in microglia activation and downstream effects. We also demonstrated the novel therapeutic studies targeting microglia in SAE. Deep insight into the role of microglia in SAE is of great importance in exploring pathogenesis and developing effective remedies of SAE.