Cited by 151Neuroinflammation and Neurodegeneration MechanismsGenetic Neurodegenerative DiseasesNeurological Disease Mechanisms and Treatments

Microglial activation in the pathogenesis of Huntington's disease

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Yang, Hui-Ming, Yang, Su, Huang, Shan-Shan, Tang, Bei-Sha, Guo, Ji-Feng·2017·Frontiers in Aging Neuroscience

Abstract

gene that encodes huntingtin protein. Although HD is characterized by a predominant loss of neurons in the striatum and cortex, previous studies point to a critical role of aberrant accumulation of mutant huntingtin in microglia that contributes to the progressive neurodegeneration in HD, through both cell-autonomous and non-cell-autonomous mechanisms. Microglia are resident immune cells in the central nervous system (CNS), which function to surveil the microenvironment at a quiescent state. In response to various pro-inflammatory stimuli, microglia become activated and undergo two separate phases (M1 and M2 phenotype), which release pro-inflammatory cytokines (IL-1β, IL-6, and TNF-α), anti-inflammatory cytokines, and growth factors (TGF-β, CD206, and Arg1), respectively. Immunoregulation by microglial activation could be either neurotoxic or neuroprotective. In this review, we summarized current understanding about microglial activation in the pathogenesis and progression of HD, with a primary focus of M1 and M2 phenotype of activated microglia and their corresponding signaling pathways.

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Authors
Yang, H.-M., Yang, S., Huang, S.-S., Tang, B.-S., & Guo, J.-F.
Affiliations
Emory University (US)
Venue
Frontiers in Aging Neuroscience
Published
2017-06-19
Volume
9
Pages
193-193
ISSN
1663-4365 (ISSN-L)
OpenAlex
W2625794193
Cited by
151
References
118
Citations by year
2026: 20 · 2025: 15 · 2024: 19 · 2023: 16 · 2022: 16 · 2021: 17 · 2020: 21 · 2019: 17 · 2018: 7 · 2017: 2
FWCI
1.23
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Aging Neuroscience (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Natural Science Foundation of China (81430023, 2016CX025, 2016YFC1306000, 81371405, 81571248)
  • Central South University (2016CX025)
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Genetic Neurodegenerative Diseases
  • Life Sciences › Neuroscience › Neurology › Neurological Disease Mechanisms and Treatments
Keywords
Huntington's disease, microglial activation, mutant huntingtin, M1/M2 microglial polarization, neuroinflammation, inflammatory cytokines, anti-inflammatory cytokines, neurodegeneration, striatum, signaling pathways, neuroprotection

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