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Related Concept Videos

Autoimmune Disorders01:29

Autoimmune Disorders

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 system...
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...
Graves' Disease I: Introduction01:28

Graves' Disease I: Introduction

Graves' disease is an autoimmune disorder that causes hyperthyroidism, or overactivity of the thyroid gland. It results from autoantibodies called thyroid-stimulating immunoglobulins (TSIs), which bind to thyroid-stimulating hormone (TSH) receptors, leading to overstimulation of hormone production and a hypermetabolic state.EtiologyAlthough considered idiopathic, Graves’ disease has well-established contributing factors. There is a strong genetic component, with increased prevalence in...
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...
Chronic Pancreatitis II: Pathophysiology01:21

Chronic Pancreatitis II: Pathophysiology

Chronic pancreatitis is a progressive and irreversible inflammation of the pancreas, most often caused by long-term alcohol abuse, but it can also be related to ductal obstruction, smoking, or genetic factors.Chronic pancreatitis occurs when the pancreas is repeatedly exposed to harmful agents like alcohol, smoking, ductal obstruction, or genetic predisposition. These factors lead to the release of toxic metabolites and inflammatory cytokines, sustaining chronic inflammation in the pancreatic...

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Determining Immune System Suppression versus CNS Protection for Pharmacological Interventions in Autoimmune Demyelination
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Published on: September 12, 2016

[Autoimmune channelopathies].

M Michaud1, J Delrieu, L Astudillo

  • 1Service de médecine interne, CHU de Purpan, Toulouse cedex , France. martin.michaud85@gmail.com

La Revue De Medecine Interne
|November 15, 2011
PubMed
Summary
This summary is machine-generated.

Autoimmune channelopathies are rare neuromuscular diseases linked to specific antibodies. Treatments involve immunosuppressants and immunotherapies to manage these conditions.

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Area of Science:

  • Neurology
  • Immunology
  • Molecular Biology

Context:

  • Autoimmune channelopathies are rare neuromuscular disorders.
  • Antibody evidence in these diseases is a recent discovery.
  • Ion channels are crucial for neuromuscular transmission.

Purpose:

  • To review the role of antibodies in autoimmune channelopathies.
  • To discuss associated neurological diseases and their antibodies.
  • To outline current treatment strategies.

Summary:

  • Autoimmune channelopathies involve antibodies targeting ion channels.
  • Examples include myasthenia gravis (anti-acetylcholine receptor antibodies), Lambert-Eaton myasthenic syndrome (anti-voltage-gated calcium channels), and neuromyotonia (anti-voltage-gated potassium channels).
  • These conditions manifest in various neurological disorders.

Impact:

  • Recent identification of antibodies has advanced understanding of these rare diseases.
  • This knowledge guides diagnosis and therapeutic approaches.
  • Effective treatments include corticosteroids, immunosuppressants, IVIg, and plasmapheresis.