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CNS & Neurological Disorders - Drug Targets

Editor-in-Chief

ISSN (Print): 1871-5273
ISSN (Online): 1996-3181

Neuroinflammation, Microglia and Mast Cells in the Pathophysiology of Neurocognitive Disorders: A Review

Author(s): Stephen D. Skaper, Laura Facci and Pietro Giusti

Volume 13, Issue 10, 2014

Page: [1654 - 1666] Pages: 13

DOI: 10.2174/1871527313666141130224206

Price: $65

Abstract

Cells of the immune system and the central nervous system are capable of interacting with each other. The former cell populations respond to infection, tissue injury and trauma by releasing substances capable of provoking an inflammatory reaction. Inflammation is now recognized as a key feature in nervous system pathologies such as chronic pain, neurodegenerative diseases, stroke, spinal cord injury, and neuropsychiatric disorders such as anxiety/depression and schizophrenia. Neuroinflammation may also raise the brain’s sensitivity to stress, thereby effecting stress-related neuropsychiatric disorders like anxiety or depression. The cytokine network plays a large part in how immune system cells influence the central nervous system. Further, inflammation resulting from activation of innate immune system cells in the periphery can impact on central nervous system behaviors, such as depression and cognitive performance. In this review, we will present the reader with the current state of knowledge which implicates both microglia and mast cells, two of the principle innate immune cell populations, in neuroinflammation. Further, we shall make the case that dysregulation of microglia and mast cells may impact cognitive performance and, even more importantly, how their cell-cell interactions can work to not only promote but also amplify neuroinflammation. Finally, we will use this information to provide a starting point to propose therapeutic approaches based upon naturally-occurring lipid signaling molecules.

Keywords: Alzheimer disease, astrocytes, cognition, lipid signaling molecules, mast cells, microglia, mood disorders, neuroinflammation.


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