Cited by 156Neuroinflammation and Neurodegeneration MechanismsT-cell and B-cell ImmunologyMultiple Sclerosis Research Studies

Understanding the Role of T Cells in CNS Homeostasis

Ellwardt, Erik, Walsh, James T., Kipnis, Jonathan, Zipp, Frauke·2016·Trends in Immunology

Abstract

T cells within the central nervous system (CNS) have been generally considered pathogenic, especially in the context of neuroinflammatory disease. However, recent findings have revealed varied functions for T cells in the healthy CNS, as well as more complex roles for these cells in infection and injury than previously appreciated. Here we review evidence indicating important roles for different T cell subsets in the maintenance of CNS homeostasis. We examine the contribution of T cells in limiting inflammation and damage upon CNS injury, infection, and in neurodegeneration, and discuss the current understanding of the cellular and molecular mechanisms involved. Insight into these processes will shed light on the adverse effects of T cell-depleting therapies and present inroads into new therapeutic approaches for treating diseases affecting the CNS.

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Crossref · 10.1016/j.it.2015.12.008

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  • Functional immune cells can enter the CNS through the blood-brain barrier, choroid plexus, and lymphatic vessels and have been described beyond neuropathological conditions.

    “However, the idea that the CNS is an immune privileged organ has been reconsidered, as the functional immune cells can enter the CNS through the BBB, the choroid plexus, and the lymphatic vessels and have been described beyond neuropathological conditions (26, 35–47).”

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Authors
Ellwardt, E., Walsh, J. T., Kipnis, J., & Zipp, F.
Affiliations
  • University Medical Center of the Johannes Gutenberg University Mainz (DE)
  • University of Virginia (US)
  • Johannes Gutenberg University Mainz (DE)
Corresponding author
Ellwardt, Erik
Venue
Trends in Immunology
Publisher
Elsevier BV
Published
2016-02
Volume
37
Issue
2
Pages
154-165
ISSN
1471-4906 (ISSN-L)
OpenAlex
W2233981766
Cited by
156
References
116
Citations by year
2026: 11 · 2025: 8 · 2024: 16 · 2023: 18 · 2022: 21 · 2021: 29 · 2020: 12 · 2019: 12 · 2018: 15 · 2017: 5 · 2016: 9
FWCI
1.20
Type
journal article
Language
en
Open access
closed
Locations
  • Trends in Immunology (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of General Medical Sciences (T32GM007267)
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Multiple Sclerosis Research Studies
Keywords
T cells, CNS homeostasis, neuroinflammation, central nervous system injury, central nervous system infection, neurodegeneration, T cell subsets, neuroimmunology
MeSH terms
Animals, Central Nervous System, Homeostasis, Humans, Lymphocyte Depletion, T-Lymphocytes, T-Lymphocyte Subsets, Neurogenic Inflammation

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