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Molecular Neurobiology

pp 1–19

First Online: 26 November 2016Received: 30 August 2016Accepted: 09 November 2016

Abstract

Inflammatory reactions could be both beneficial and detrimental to the brain, depending on strengths of their activation in various stages of neurodegeneration. Mild activation of microglia and astrocytes usually reveals neuroprotective effects and ameliorates early symptoms of neurodegeneration; for instance, released cytokines help maintain synaptic plasticity and modulate neuronal excitability, and stimulated toll-like receptors TLRs promote neurogenesis and neurite outgrowth. However, strong activation of glial cells gives rise to cytokine overexpression-dysregulation, which accelerates neurodegeneration. Altered mutual regulation of p53 protein, a major tumor suppressor, and NF-κB, the major regulator of inflammation, seems to be crucial for the shift from beneficial to detrimental effects of neuroinflammatory reactions in neurodegeneration. Therapeutic intervention in the p53-NF-κB axis and modulation of TLR activity are future challenges to cope with neurodegeneration.

KeywordsNeuroinflammation Immune response in the CNS Microglia activation Cytokines miRNA Neurodegeneration  Download fulltext PDF



Author: Marta Sochocka - Breno Satler Diniz - Jerzy Leszek

Source: https://link.springer.com/







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