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Related Experiment Video

Updated: Jul 14, 2026

An Ex vivo Model of an Oligodendrocyte-directed T-Cell Attack in Acute Brain Slices
06:36

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Un-BAFFling gray matter pathology in multiple sclerosis.

Dane Ford-Roshon1, Andrew S Mendiola1

  • 1Department of Pharmacology, University of California, San Diego, La Jolla, CA, USA.

Science Immunology
|April 5, 2024
PubMed
Summary

B cell depletion therapy protects the nervous system in multiple sclerosis by regulating BAFF. This finding reveals a key mechanism underlying treatment efficacy in this autoimmune neurological disease.

Area of Science:

  • Neuroimmunology
  • Cellular and Molecular Neuroscience

Background:

  • Multiple sclerosis (MS) is a chronic autoimmune disease affecting the central nervous system (CNS).
  • B cell depletion therapy (BCDT) is an effective treatment for MS, but its precise neuroprotective mechanisms remain incompletely understood.

Purpose of the Study:

  • To investigate the role of B-cell activating factor (BAFF) in mediating the neuroprotective effects of BCDT in MS.
  • To elucidate the molecular pathways linking B cell depletion, BAFF signaling, and neuronal survival in the context of MS.

Main Methods:

  • Utilized experimental autoimmune encephalomyelitis (EAE) as an animal model for MS.
  • Administered BCDT and analyzed BAFF levels in CNS tissues and serum.
  • Assessed neuronal damage and survival using histological and molecular techniques.

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  • Investigated the impact of BAFF neutralization on neuroprotection.

    • Main Results:

    • BCDT significantly reduced CNS inflammation and demyelination in the EAE model.
    • BAFF levels were found to be elevated in the CNS during EAE and were modulated by BCDT.
    • Targeting BAFF directly mimicked some of the neuroprotective effects of BCDT.
    • BAFF signaling was identified as a critical mediator of neuronal survival.

    Conclusions:

    • BAFF plays a crucial role in mediating the neuroprotective benefits of B cell depletion therapy in multiple sclerosis.
    • Modulation of BAFF represents a potential therapeutic strategy to enhance neuroprotection in MS patients undergoing BCDT.