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The immune system and integrated homeostasis

A J Husband1

  • 1Department of Veterinary Pathology, University of Sydney, NSW, Australia.

Immunology and Cell Biology
|August 1, 1995
PubMed
Summary

The immune system acts as a sensory organ, not just a defense mechanism. It integrates with the nervous system to maintain homeostasis and respond to environmental stressors.

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Area of Science:

  • Neuroimmunology
  • Physiology
  • Homeostasis

Background:

  • The immune system is traditionally viewed as a reactive effector mechanism.
  • Emerging evidence suggests immunity also functions as a sensory organ.
  • This challenges the effector-biased perspective of immune responses.

Purpose of the Study:

  • To explore the immune system's role as a sensory organ.
  • To investigate the bidirectional communication between immune and central nervous systems.
  • To examine how immune system output influences physiological adjustments.

Main Methods:

  • Review of existing evidence on neuro-immune pathways.
  • Analysis of immune system's influence on physiological responses.
  • Exploration of the endocrine-immune gradient concept.

Main Results:

  • Substantial evidence supports the immune system's sensory function.
  • Bi-directional communication pathways between immune and nervous systems are confirmed.
  • The immune system's output significantly impacts physiological adjustments.

Conclusions:

  • Immunity is an integral part of a homeostatic network.
  • An endocrine-immune gradient influences responses to stressors.
  • Potential for managing this gradient in homeostatic regulation exists.

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