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Related Concept Videos

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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.
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Related Experiment Video

Updated: Jul 14, 2026

Induction of Paralysis and Visual System Injury in Mice by T Cells Specific for Neuromyelitis Optica Autoantigen Aquaporin-4
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Autoimmune disease and innervation.

Rainer H Straub1

  • 1Laboratory of Experimental Rheumatology and Neuroendocrino-Immunology, Department of Internal Medicine I, University Hospital Regensburg, 93042 Regensburg, Germany. rainer.straub@klinik.uni-regensburg.de

Brain, Behavior, and Immunity
|May 23, 2007
PubMed
Summary

Research shows sympathetic nerve fibers are lost in chronic inflammation, while sensory nerve fibers increase. Understanding this differential nerve fiber change in autoimmune diseases is key for future therapies.

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Area of Science:

  • Neuroimmunology
  • Autoimmune Diseases

Background:

  • Early research focused on lymphoid organ innervation for immune physiology.
  • Antibody development enabled study of innervation in inflamed tissues (1988-1997).

Observation:

  • Sympathetic nerve fibers decrease, while substance P-positive sensory nerve fibers increase in chronically inflamed autoimmune tissues.
  • Quantitative techniques revealed these changes in numerous patients.
  • Sympathetic neurotransmitters are anti-inflammatory, whereas substance P is pro-inflammatory.

Findings:

  • Sympathetic nerve fibers are depleted in chronic autoimmune inflammation.
  • Sensory nerve fibers expressing substance P proliferate in inflamed areas.
  • Differential changes suggest specific mechanisms regulating nerve fiber populations.

Implications:

  • Future research should investigate early-stage autoimmune disease innervation.
  • Identifying factors causing differential nerve fiber loss is crucial.
  • Therapeutic strategies targeting neuro-immune interactions in autoimmunity may emerge.