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Lipidomics and Transcriptomics in Neurological Diseases
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Published on: March 18, 2022

[Inflammation, angiogenesis and epilepsy].

Mireille Lerner-Natoli1

  • 1Institut de Génomique Fonctionnelle, CNRS UMR 5203, INSERM U661, UM1, UM2, 141 rue de la Cardonille, 34094 Montpellier Cedex 9, France. mireille.lerner-natoli@igf.cnrs.fr

Biologie Aujourd'Hui
|April 20, 2011
PubMed
Summary
This summary is machine-generated.

Gliosis and inflammation contribute to chronic epilepsy by altering neuronal function and causing loss. Blood-brain barrier disruption and peripheral inflammation also play key roles in epileptogenesis.

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Area of Science:

  • Neuroscience
  • Immunology
  • Pathology

Context:

  • Gliosis, characterized by astrocytic and microglial activation, is recognized for its role in epileptogenesis, especially in symptomatic focal epilepsies like temporal lobe epilepsy.
  • Inflammatory factors released during gliosis can modify neuronal excitability and lead to neuronal loss, perpetuating chronic epilepsy.
  • Emerging evidence suggests that blood-brain barrier disruption, allowing leukocyte and serum protein leakage, triggers neuroinflammation and contributes to epilepsy.

Purpose:

  • To explore the multifaceted roles of gliosis and inflammation in the development and maintenance of epilepsy.
  • To highlight the contribution of blood-brain barrier dysfunction and peripheral inflammation to epileptogenesis.
  • To synthesize current understanding of inflammatory mechanisms underlying epilepsy.

Summary:

  • Astrocytic and microglial activation in gliosis releases inflammatory factors that increase neuronal excitability and cause neuronal death, sustaining chronic epilepsy.
  • Disruption of the blood-brain barrier leads to the infiltration of leukocytes and serum proteins, initiating inflammatory responses that disrupt the neuronal environment and promote seizures.
  • Peripheral inflammation, mediated by circulating cytokines, can promote leukocyte extravasation, further contributing to the inflammatory milieu associated with epilepsy.

Impact:

  • Understanding these inflammatory pathways is crucial for developing novel therapeutic strategies targeting gliosis, neuroinflammation, and blood-brain barrier integrity in epilepsy.
  • This research underscores the complex interplay between the immune system, glial cells, and neuronal function in the pathogenesis of epilepsy.
  • Identifying peripheral inflammation as a contributor opens new avenues for epilepsy management and prevention.