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Related Experiment Video

Updated: Sep 16, 2025

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Effect on Different Glial Cell Types of S100B Modulation in Multiple Sclerosis Experimental Models.

Maria De Carluccio1, Gabriele Di Sante2, Maria Elisabetta Clementi3

  • 1Department of Neuroscience, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy.

International Journal of Molecular Sciences
|July 12, 2025
PubMed
Summary
This summary is machine-generated.

S100B protein, particularly from astrocytes, drives neuroinflammation in experimental autoimmune encephalomyelitis (EAE), a model for multiple sclerosis (MS). Reducing S100B levels ameliorates disease symptoms and pathology, identifying it as a therapeutic target.

Keywords:
S100Barundic acidexperimental autoimmune encephalomyelitismultiple sclerosispentamidine isethionate

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Area of Science:

  • Neuroscience
  • Immunology
  • Cell Biology

Background:

  • S100B protein is implicated in central nervous system (CNS) neuroinflammatory diseases.
  • Experimental autoimmune encephalomyelitis (EAE) serves as a model for multiple sclerosis (MS).

Purpose of the Study:

  • To investigate the specific role of astrocytic S100B in EAE pathogenesis.
  • To identify S100B as a potential therapeutic target for MS.

Main Methods:

  • Utilized S100B knockout (KO) mice and wild-type littermates.
  • Analyzed glial subpopulations (astrocytes, oligodendrocytes, microglia) using flow cytometry and ELISA.
  • Assessed clinical and pathological parameters of EAE.

Main Results:

  • S100B KO mice exhibited reduced S100B protein levels and ameliorated EAE clinical and pathological outcomes.
  • Significant reduction in pro-inflammatory TNFα was observed in glial cells from S100B KO mice.
  • Both genetic silencing and pharmacological inhibition of S100B impacted glial subpopulations, particularly astrocytes.

Conclusions:

  • Astrocytic S100B is a key factor in EAE neuroinflammation.
  • Targeting S100B presents a promising therapeutic strategy for EAE and potentially MS.