Journal
CURRENT NEUROPHARMACOLOGY
Volume 20, Issue 6, Pages 1116-1143Publisher
BENTHAM SCIENCE PUBL LTD
DOI: 10.2174/1570159X19666211201094608
Keywords
Huntington's disease; mutant huntingtin; neuroinflammation; astrocytes; microglia; neurodegeneration
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This review presents evidence of inflammation in Huntington's disease (HD) patients and animal models, and discusses recent research progress on neuroinflammation in HD. It highlights the involvement of astrocytes and microglia in the disease, and considers the potential of anti-inflammatory therapeutic approaches.
Huntington's disease (HD) is a neurodegenerative genetic disorder caused by a CAG repeat expansion in the huntingtin gene. HD causes motor, cognitive, and behavioral dysfunction. Since no existing treatment affects the course of this disease, new treatments are needed. Inflammation is frequently observed in HD patients before symptom onset. Neuroinflammation, characterized by the presence of reactive microglia, astrocytes and inflammatory factors within the brain, is also detected early. However, in comparison to other neurodegenerative diseases, the role of neuroinflammation in HD is much less known. Work has been dedicated to altered microglial and astrocytic functions in the context of HD, but less attention has been given to glial participation in neuroinflammation. This review describes evidence of inflammation in HD patients and animal models. It also discusses recent knowledge on neuroinflammation in HD, highlighting astrocyte and microglia involvement in the disease and considering anti-inflammatory therapeutic approaches.
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