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Meningothelial cells participate in immunological processes in the cerebrospinal fluid

Bin Fan1, Giovanna Bordigari, Josef Flammer

  • 1Department of Biomedicine and Department of Ophthalmology, University Basel, Basel, Switzerland.

Journal of Neuroimmunology
|January 21, 2012
PubMed

Insights

Meningothelial cells (MECs) in the brain

Area of Science:

  • Neuroimmunology
  • Cell Biology
  • Cerebrospinal Fluid Dynamics

Background:

  • Meningothelial cells (MECs) line the meninges, interfacing directly with cerebrospinal fluid (CSF).
  • The CSF environment is a hub for immunological activity.
  • The precise immunological function of MECs within the CSF compartment remains largely uncharacterized.

Purpose of the Study:

  • To investigate the immunological functions of meningothelial cells (MECs).
  • To determine if MECs secrete cytokines and chemokines.
  • To assess the phagocytic and pinocytic capabilities of MECs.

Main Methods:

  • MECs were stimulated with lipopolysaccharide, phorbol ester, and rotenone.
  • Cytokine and chemokine secretion was measured.
  • NF-κB activation, phagocytosis, and pinocytosis were analyzed.

Main Results:

  • MEC stimulation led to a dose-dependent increase in Interleukin-6 (IL-6) and Interleukin-8 (IL-8) secretion.
  • Nuclear Factor kappa B (NF-κB) activation was observed following stimulation.
  • Enhanced phagocytic clearance by MECs was demonstrated.

Conclusions:

  • Meningothelial cells exhibit significant immunological functions within the CSF.
  • MECs actively participate in immune responses in the central nervous system.
  • MEC activity may be implicated in the pathogenesis of neurodegenerative diseases.

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