Glia–immune interactions post-ischemic stroke and potential therapies

Jessica Hersh, Shao Hua Yang

Research output: Contribution to journalReview article

1 Citation (Scopus)

Abstract

Although the primary responsibility of the immune system has for over a century been perceived as the protector of the host against infection in the peripheral organs, we now know the immune system also plays a vital role in recovery pathways associated with central nervous system (CNS) injury. There is mounting evidence that the blood–brain barrier does not preclude the CNS from immune surveillance. Of particular interest for this review is how microglia and astrocytes interact with the cells of the immune system to modulate repair and recovery mechanisms in ischemic stroke. Our review argues that by deepening our understanding of neuroimmunity, specifically the bidirectional glial–immune cell communications, a plethora of new therapeutic targets and mechanisms may be revealed. Consequently, this review instigates novel experimental approaches to neuroimmunology and fosters a more rapid discovery process for the treatment of stroke. Impact statement: This article reviews glial cell interactions with the immune system post-ischemic stroke. Research has shown that glial cells in the brain play a role in altering phenotypes of other glial cells and have downstream immune cell targets ultimately regulating a neuroinflammatory response. These interactions may play a deleterious as well as beneficial role in stroke recovery. Furthermore, they may provide a novel way to approach potential therapies, since current stroke drug therapy is limited to only one Food and Drug Administration-approved drug complicated by a narrow therapeutic window. Until this point, most research has emphasized neuroimmune interactions, but little focus has been on bidirectional communication of glial–immune interactions in the ischemic brain. By expanding our understanding of these interactions through a compilation of glial cell effects, we may be able to pinpoint major modulating factors in brain homeostasis to maintain or discover ways to suppress irreversible ischemic damage and improve brain repair.

Original languageEnglish
Pages (from-to)1302-1312
Number of pages11
JournalExperimental Biology and Medicine
Volume243
Issue number17-18
DOIs
StatePublished - 1 Dec 2018

Fingerprint

Immune system
Brain
Neuroglia
Stroke
Immune System
Neurology
Recovery
Repair
Cell Communication
Drug therapy
Central Nervous System
Communication
Nervous System Trauma
Therapeutics
Mountings
Microglia
United States Food and Drug Administration
Research
Astrocytes
Homeostasis

Keywords

  • Ischemic stroke
  • T-cells
  • astrocytes
  • glial–immune interactions
  • glutamate
  • histamine
  • interleukin-15
  • microglia
  • monocytes
  • natural killer cells
  • neuroimmunology

Cite this

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abstract = "Although the primary responsibility of the immune system has for over a century been perceived as the protector of the host against infection in the peripheral organs, we now know the immune system also plays a vital role in recovery pathways associated with central nervous system (CNS) injury. There is mounting evidence that the blood–brain barrier does not preclude the CNS from immune surveillance. Of particular interest for this review is how microglia and astrocytes interact with the cells of the immune system to modulate repair and recovery mechanisms in ischemic stroke. Our review argues that by deepening our understanding of neuroimmunity, specifically the bidirectional glial–immune cell communications, a plethora of new therapeutic targets and mechanisms may be revealed. Consequently, this review instigates novel experimental approaches to neuroimmunology and fosters a more rapid discovery process for the treatment of stroke. Impact statement: This article reviews glial cell interactions with the immune system post-ischemic stroke. Research has shown that glial cells in the brain play a role in altering phenotypes of other glial cells and have downstream immune cell targets ultimately regulating a neuroinflammatory response. These interactions may play a deleterious as well as beneficial role in stroke recovery. Furthermore, they may provide a novel way to approach potential therapies, since current stroke drug therapy is limited to only one Food and Drug Administration-approved drug complicated by a narrow therapeutic window. Until this point, most research has emphasized neuroimmune interactions, but little focus has been on bidirectional communication of glial–immune interactions in the ischemic brain. By expanding our understanding of these interactions through a compilation of glial cell effects, we may be able to pinpoint major modulating factors in brain homeostasis to maintain or discover ways to suppress irreversible ischemic damage and improve brain repair.",
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Glia–immune interactions post-ischemic stroke and potential therapies. / Hersh, Jessica; Yang, Shao Hua.

In: Experimental Biology and Medicine, Vol. 243, No. 17-18, 01.12.2018, p. 1302-1312.

Research output: Contribution to journalReview article

TY - JOUR

T1 - Glia–immune interactions post-ischemic stroke and potential therapies

AU - Hersh, Jessica

AU - Yang, Shao Hua

PY - 2018/12/1

Y1 - 2018/12/1

N2 - Although the primary responsibility of the immune system has for over a century been perceived as the protector of the host against infection in the peripheral organs, we now know the immune system also plays a vital role in recovery pathways associated with central nervous system (CNS) injury. There is mounting evidence that the blood–brain barrier does not preclude the CNS from immune surveillance. Of particular interest for this review is how microglia and astrocytes interact with the cells of the immune system to modulate repair and recovery mechanisms in ischemic stroke. Our review argues that by deepening our understanding of neuroimmunity, specifically the bidirectional glial–immune cell communications, a plethora of new therapeutic targets and mechanisms may be revealed. Consequently, this review instigates novel experimental approaches to neuroimmunology and fosters a more rapid discovery process for the treatment of stroke. Impact statement: This article reviews glial cell interactions with the immune system post-ischemic stroke. Research has shown that glial cells in the brain play a role in altering phenotypes of other glial cells and have downstream immune cell targets ultimately regulating a neuroinflammatory response. These interactions may play a deleterious as well as beneficial role in stroke recovery. Furthermore, they may provide a novel way to approach potential therapies, since current stroke drug therapy is limited to only one Food and Drug Administration-approved drug complicated by a narrow therapeutic window. Until this point, most research has emphasized neuroimmune interactions, but little focus has been on bidirectional communication of glial–immune interactions in the ischemic brain. By expanding our understanding of these interactions through a compilation of glial cell effects, we may be able to pinpoint major modulating factors in brain homeostasis to maintain or discover ways to suppress irreversible ischemic damage and improve brain repair.

AB - Although the primary responsibility of the immune system has for over a century been perceived as the protector of the host against infection in the peripheral organs, we now know the immune system also plays a vital role in recovery pathways associated with central nervous system (CNS) injury. There is mounting evidence that the blood–brain barrier does not preclude the CNS from immune surveillance. Of particular interest for this review is how microglia and astrocytes interact with the cells of the immune system to modulate repair and recovery mechanisms in ischemic stroke. Our review argues that by deepening our understanding of neuroimmunity, specifically the bidirectional glial–immune cell communications, a plethora of new therapeutic targets and mechanisms may be revealed. Consequently, this review instigates novel experimental approaches to neuroimmunology and fosters a more rapid discovery process for the treatment of stroke. Impact statement: This article reviews glial cell interactions with the immune system post-ischemic stroke. Research has shown that glial cells in the brain play a role in altering phenotypes of other glial cells and have downstream immune cell targets ultimately regulating a neuroinflammatory response. These interactions may play a deleterious as well as beneficial role in stroke recovery. Furthermore, they may provide a novel way to approach potential therapies, since current stroke drug therapy is limited to only one Food and Drug Administration-approved drug complicated by a narrow therapeutic window. Until this point, most research has emphasized neuroimmune interactions, but little focus has been on bidirectional communication of glial–immune interactions in the ischemic brain. By expanding our understanding of these interactions through a compilation of glial cell effects, we may be able to pinpoint major modulating factors in brain homeostasis to maintain or discover ways to suppress irreversible ischemic damage and improve brain repair.

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KW - monocytes

KW - natural killer cells

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JO - Experimental Biology and Medicine

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