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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...
Encephalitis ll: Pathophysiology01:26

Encephalitis ll: Pathophysiology

Encephalitis is inflammation of the brain parenchyma caused by direct viral invasion or immune-mediated mechanisms triggered by infections or tumors. Both processes lead to neuronal injury, disrupted neurotransmission, and diverse neurological symptoms, often with overlapping clinical and pathological features.Autoimmune EncephalitisIn autoimmune encephalitis, antibodies target neuronal antigens on cell surfaces, synapses, or within neurons. A key example is anti-NMDAR encephalitis, which can...
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...
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.
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
Cell-mediated Immune Responses01:40

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Type I Diabetes II: Pathophysiology01:26

Type I Diabetes II: Pathophysiology

Type 1 diabetes mellitus arises from an immune-mediated destruction of pancreatic β-cells, resulting in an absolute deficiency of insulin. This process develops in genetically susceptible individuals when autoimmunity, environmental exposures, and immunologic dysregulation converge to trigger a targeted attack on the insulin-producing cells of the pancreas. The β-cells are located within the islets of Langerhans and are essential for regulating blood glucose by facilitating cellular uptake of...

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Quantification of Autoreactive Antibodies in Mice upon Experimental Autoimmune Encephalomyelitis
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Quantification of Autoreactive Antibodies in Mice upon Experimental Autoimmune Encephalomyelitis

Published on: December 1, 2023

Immunologic pathogenesis of multiple sclerosis.

Min-Fang Guo1, Ning Ji, Cun-Gen Ma

  • 1Institute of Brain Science, Shanxi Datong University, Datong, China.

Neuroscience Bulletin
|November 28, 2008
PubMed
Summary
This summary is machine-generated.

Multiple sclerosis (MS) is an autoimmune disorder where genetics and environmental factors interact. This review focuses on recent findings concerning the immunological pathogenesis of MS.

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Last Updated: Jun 27, 2026

Quantification of Autoreactive Antibodies in Mice upon Experimental Autoimmune Encephalomyelitis
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05:44

Modeling Multiple Sclerosis in the Two Sexes: MOG35-55-Induced Experimental Autoimmune Encephalomyelitis

Published on: October 13, 2023

Area of Science:

  • Immunology
  • Neuroscience
  • Genetics

Background:

  • Multiple sclerosis (MS) is a complex autoimmune disease affecting the central nervous system.
  • The precise causes and disease mechanisms of MS are not fully understood.
  • Genetic predisposition is strongly implicated in MS development, likely interacting with environmental triggers.

Purpose of the Study:

  • To review and synthesize recent research on the immunological pathogenesis of multiple sclerosis.
  • To highlight key genetic and environmental factors contributing to MS.
  • To provide an updated perspective on the immune-mediated mechanisms underlying MS.

Main Methods:

  • Literature review of recent scientific publications.
  • Analysis of studies investigating genetic susceptibility in MS.
  • Synthesis of research on immune system dysregulation in MS pathogenesis.

Main Results:

  • Substantial evidence supports a significant role for genetic factors in MS etiology.
  • Genetic predisposition, combined with environmental influences, likely initiates immune-mediated processes.
  • Recent observations provide deeper insights into the specific immune pathways involved in MS.

Conclusions:

  • Genetics plays a critical role in the susceptibility to developing multiple sclerosis.
  • Environmental factors are likely crucial co-factors in the development of MS.
  • Understanding the immunological pathogenesis is key to future therapeutic strategies for MS.