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Related Concept Videos

Multiple Sclerosis l: Introduction01:19

Multiple Sclerosis l: Introduction

Multiple sclerosis is a chronic autoimmune disease of the central nervous system (CNS) that affects the brain, spinal cord, and optic nerves. It is an inflammatory demyelinating disorder and a leading cause of neurological disability in young adults.EpidemiologyMS commonly begins between 20 and 40 years of age and is twice as common in women. Its exact cause remains unclear, but genetic susceptibility contributes, with higher risk in first-degree relatives and identical twins. A greater...
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Autoimmune Disorders01:29

Autoimmune Disorders

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Concept and Mechanism of Autoimmune Diseases
The immune system...
T Cell Types and Functions01:24

T Cell Types and Functions

When T cells with CD4 markers are activated, they give rise to two types of effector cells: helper T cells and regulatory T cells. Meanwhile, T cells with CD8 markers differentiate into effector cytotoxic T cells. The differentiation of CD4 T cells into helper T cell subsets, such as Th1, Th2, and Th17 cells, is dependent on the antigen type, antigen-presenting cell, and regulatory cytokines.
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Myasthenia Gravis ll: Pathophysiology01:22

Myasthenia Gravis ll: Pathophysiology

The disease process of myasthenia gravis begins at the neuromuscular junction, where antibodies attack key proteins needed for muscle activation. This immune reaction weakens signal transmission, leading to the characteristic muscle fatigue and weakness that define the condition.Immune-Mediated DamageIn most individuals, antibodies target acetylcholine receptors (AChRs) on the postsynaptic membrane of muscle cells. By blocking acetylcholine binding, these antibodies prevent the nerve signal...
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Related Experiment Video

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Quantification of Autoreactive Antibodies in Mice upon Experimental Autoimmune Encephalomyelitis
05:55

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Published on: December 1, 2023

Humoral autoimmunity in multiple sclerosis.

Edgar Meinl1, Tobias Derfuss, Markus Krumbholz

  • 1Department of Neuroimmunology, Max Planck Institute of Neurobiology, Am Klopferspitz 18, 82152 Martinsried, Germany. meinl@neuro.mpg.de

Journal of the Neurological Sciences
|September 7, 2010
PubMed
Summary

B cells and autoantibodies play a key role in multiple sclerosis (MS) pathogenesis. New research identifies neurofascin and contactin-2 as potential targets in adult MS, with implications for axonal and gray matter injury.

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Last Updated: Jun 9, 2026

Quantification of Autoreactive Antibodies in Mice upon Experimental Autoimmune Encephalomyelitis
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Determining Immune System Suppression versus CNS Protection for Pharmacological Interventions in Autoimmune Demyelination
09:38

Determining Immune System Suppression versus CNS Protection for Pharmacological Interventions in Autoimmune Demyelination

Published on: September 12, 2016

Area of Science:

  • Neuroimmunology
  • Autoimmune diseases
  • Demyelinating diseases

Background:

  • B cells and autoantibodies are crucial in multiple sclerosis (MS) pathogenesis.
  • The role of B cell-activating factor (BAFF) in MS is complex, with unexpected clinical trial outcomes.
  • Identifying specific autoantibodies aids in classifying demyelinating diseases like neuromyelitis optica (NMO).

Purpose of the Study:

  • To investigate novel autoantibody targets in adult MS.
  • To explore the functional relevance of identified autoimmune responses in animal models.
  • To understand the role of B cells and autoantibodies in MS pathogenesis.

Main Methods:

  • Analysis of autoantibodies in MS patients.
  • Identification of axo-glial protein targets (neurofascin, contactin-2/TAG-1) in the CNS.
  • Functional testing in animal models to assess antibody and T cell-mediated injury.

Main Results:

  • Neurofascin and contactin-2/TAG-1 identified as targets in adult MS patients.
  • Antibodies against neurofascin can induce axonal injury in experimental models.
  • T cells targeting contactin-2/TAG-1 preferentially cause gray matter injury.

Conclusions:

  • Neurofascin and contactin-2 are significant targets in the autoimmune response in adult MS.
  • These findings highlight potential new therapeutic targets and diagnostic biomarkers for MS subtypes.
  • Further research is needed to elucidate the precise mechanisms of B cell involvement and autoantibody effects in MS.