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Related Concept Videos

Autoimmune Disorders01:29

Autoimmune Disorders

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Autoimmune diseases are a group of disorders in which the body's immune system mistakenly attacks its own cells, tissues, and organs. This results from an overactive immune response against substances and tissues normally present in the body. Let's delve into the concept and mechanism of autoimmune diseases from an immune system point of view, explore different causes and examples of such diseases, and discuss potential solutions.
Concept and Mechanism of Autoimmune Diseases
The immune...
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Disorders of the Autonomic Nervous System01:18

Disorders of the Autonomic Nervous System

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The autonomic nervous system (ANS) is an intricate network of nerves that controls functions such as the regulation of heart rate, digestion, and blood pressure regulation. When this system malfunctions, it can lead to various disorders that affect multiple bodily functions. One common feature of many autonomic disorders is the involvement of smooth blood vessels, which play a crucial role in regulating blood flow throughout the body.
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T Cell Types and Functions01:24

T Cell Types and Functions

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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: Overview and Treatment01:20

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Myasthenia gravis is a neuromuscular transmission disorder characterized by weakness and increased fatigability of skeletal muscles. It is an autoimmune disease affecting approximately one in 2000 people, where antibodies against the α1 subunit of nicotinic acetylcholine receptors are produced.
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What is the Immune System?01:38

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Overview
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Myasthenia Gravis: Diagnostic Tests01:15

Myasthenia Gravis: Diagnostic Tests

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Myasthenia gravis is an autoimmune condition affecting neuromuscular transmission, causing generalized weakness in skeletal muscles. Initial diagnoses rely on patients' signs, symptoms, and medical history. The challenge lies in distinguishing myasthenia from other muscular dystrophies. An important diagnostic feature is the significant improvement of symptoms after administering anticholinesterase inhibitors.
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Author Spotlight: Novel Assay for Studying B-Cell Responses in Multiple Sclerosis Research
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Autonomic dysfunction, immune regulation, and multiple sclerosis.

Juan Manuel Racosta1, Kurt Kimpinski2

  • 1Department of Clinical Neurological Sciences, London Health Sciences Centre, Western University, London, ON, Canada. juanracosta@hotmail.com.

Clinical Autonomic Research : Official Journal of the Clinical Autonomic Research Society
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Autonomic dysfunction is common in multiple sclerosis (MS) and worsens inflammation and neurodegeneration. Understanding these links is key to managing MS disability.

Keywords:
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Area of Science:

  • Neuroimmunology
  • Autonomic Neuroscience

Background:

  • Multiple sclerosis (MS) is a chronic autoimmune disease affecting the central nervous system.
  • Autonomic nervous system (ANS) dysfunction is a frequent and disabling comorbidity in MS.

Purpose of the Study:

  • To synthesize current evidence on the interplay between ANS function and immune system dysregulation in MS.
  • To elucidate the specific roles of sympathetic and parasympathetic dysfunction in MS pathogenesis.

Main Methods:

  • Comprehensive literature review of studies investigating ANS-immune interactions in MS.
  • Focused analysis on the impact of autonomic dysfunction on inflammatory and neurodegenerative processes in MS.

Main Results:

  • Autonomic dysfunction is prevalent in MS patients, contributing significantly to overall disability.
  • Established connections exist between aberrant immune pathways and ANS function in the context of MS.
  • Distinct patterns of sympathetic and parasympathetic dysfunction influence MS pathology.

Conclusions:

  • Autonomic dysfunction may exacerbate key inflammatory and neurodegenerative pathways in MS.
  • The clinical manifestations of autonomic dysfunction in MS are highly variable.
  • Targeting ANS dysfunction could offer novel therapeutic strategies for MS.