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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...
Immune Response Against Viral Pathogens01:29

Immune Response Against Viral Pathogens

The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

Overview

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Updated: Jun 3, 2026

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

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

Published on: February 5, 2015

Immunopathogenesis of multiple sclerosis.

Manuel Comabella1, Samia J Khoury

  • 1Centre d'Esclerosi Múltiple de Catalunya, CEM-Cat, Unitat de Neuroimmunologia Clínica, Hospital Universitari Vall d'Hebron (HUVH), Barcelona, Spain. mcomabel@ir.vhebron.net

Clinical Immunology (Orlando, Fla.)
|April 5, 2011
PubMed
Summary
This summary is machine-generated.

Multiple sclerosis involves central nervous system autoimmune inflammation and damage. Understanding its complex causes and immune responses is key to developing new therapies for this chronic neurological disorder.

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Last Updated: Jun 3, 2026

An Ex vivo Model of an Oligodendrocyte-directed T-Cell Attack in Acute Brain Slices
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Published on: February 5, 2015

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Area of Science:

  • Neuroimmunology
  • Central Nervous System Disorders

Background:

  • Multiple sclerosis (MS) is a chronic central nervous system (CNS) disease.
  • Characterized by autoimmune inflammation, demyelination, and axonal damage.
  • Etiology involves complex genetic and environmental interactions.

Purpose of the Study:

  • Review key pathogenic steps in multiple sclerosis.
  • Discuss cellular populations driving immune responses in MS.
  • Highlight advancements in understanding MS immunopathogenesis.

Main Methods:

  • Literature review of immunopathogenesis in MS.
  • Analysis of cellular mechanisms in CNS autoimmune disease.
  • Synthesis of current knowledge on MS disease progression.

Main Results:

  • Identified critical autoimmune and inflammatory pathways in MS.
  • Detailed the roles of various immune cells in MS pathogenesis.
  • Highlighted the link between pathogenic mechanisms and therapeutic strategies.

Conclusions:

  • Understanding MS immunopathogenesis is crucial for effective treatment.
  • Targeting specific immune responses offers promising therapeutic avenues.
  • Further research into genetic and environmental factors is warranted.