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Cytokine-neurotransmitter interactions in the brain

De Simoni MG1, Imeri

  • 1Istituto di Ricerche, Farmacologiche Mario Negri, Universita degli Studi, Milano, Italia. de_simoni@irfmn.mnegri.it

Biological Signals
|May 20, 1998
PubMed
Summary

Immune molecules like cytokines can alter central nervous system (CNS) neurotransmitters, affecting brain function and potentially contributing to neurological conditions. This review explores these complex immune-brain interactions.

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Area of Science:

  • Neuroscience
  • Immunology
  • Biochemistry

Background:

  • Immune-active molecules, including infectious agents and cytokines, significantly impact the central nervous system (CNS).
  • Immune system activation is linked to physiological changes like fever, altered behavior, and neuroendocrine responses.
  • These immune-induced effects are mediated by modifications in central neurotransmitters and the neuroendocrine system.

Purpose of the Study:

  • To review the existing evidence on the interactions between cytokines and neurotransmitters within the CNS.
  • To elucidate the mechanisms by which immune challenges influence neurotransmitter systems.
  • To understand the role of these interactions in CNS conditions.

Main Methods:

  • Literature review of studies investigating immune system components and their effects on the CNS.
  • Analysis of research on cytokines and their influence on neurotransmitter levels and function.
  • Examination of data linking immune responses to neuroendocrine and behavioral changes.

Main Results:

  • Immune-active molecules demonstrably induce substantial changes in CNS neurotransmitters.
  • Cytokines play a crucial role in mediating the communication between the immune system and the brain.
  • These interactions are implicated in the neuropathological changes observed in various CNS disorders.

Conclusions:

  • There is a clear reciprocal relationship between cytokines and neurotransmitters in the CNS.
  • Understanding these interactions is vital for comprehending and potentially treating CNS conditions.
  • Further research into immune-brain communication pathways is warranted.

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