Autoimmune pathology accounts for common manifestations in a wide range of neuro-psychiatric disorders: The olfactory and immune system interrelationship

Samuel Datum Moscavitch, Martine Szyper-Kravitz, Yehuda Shoenfeld*

*Corresponding author for this work

Research output: Contribution to journalShort surveypeer-review

Abstract

Smell has traditionally been considered a less important sense when compared to sight or hearing, but recent research has unraveled important features inherent to the sense of smell. Once considered just a chemical sensor for sampling the environment, data from animal models and human studies currently imply numerous and complex effects of smell on behavior, mood, and on the immune response. In this review we discuss a possible inter-relationship between olfactory impairment, autoimmunity and neurological/psychiatric symptoms in several diseases affecting the central nervous system (CNS) such as Parkinson, Alzheimer's disease, autism, schizophrenia, multiple sclerosis and neuropsychiatric lupus erythematosus. We suggest that common manifestations are not mere coincidences. Current data from animal models show that neuropsychiatric manifestations are intimately associated with smell impairment, and autoimmune dysregulation, via autoantibodies (anti-NMDAR, anti-ribosomal P) or other mechanisms. From clues of pathological manifestations, we propose a novel approach to the understanding of the interactions between the CNS, the smell and the immune system.

Original languageEnglish
Pages (from-to)235-243
Number of pages9
JournalClinical Immunology
Volume130
Issue number3
DOIs
StatePublished - Mar 2009

Keywords

  • Antibodies
  • Autoimmune
  • Depression
  • Immune network
  • Neurodegenerative diseases
  • Neuroimmunology
  • Pathology
  • Physiology
  • Ribosomal P
  • Smell

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