Corticostriatal synaptic adaptations in Huntington's disease

Joshua L. Plotkin, D. James Surmeier*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

56 Scopus citations

Abstract

Huntington's disease (HD) is a progressive neurodegenerative disorder that profoundly impairs corticostriatal information processing. While late stage pathology includes cell death, the appearance of motor symptoms parallels more subtle changes in neuronal function and synaptic integration. Because of the difficulty in modeling the disease and the complexity of the corticostriatal network, understanding the mechanisms driving pathology has been slow to develop. In recent years, advances in animal models and network analysis tools have begun to shed light on the circuit-specific deficits. These studies have revealed a progressive impairment of corticostriatal synaptic signaling in subpopulations of striatal neurons, turning classical excitotoxicity models of HD upside down. Disrupted brain derived neurotrophic factor signaling appears to be a key factor in this decline.

Original languageEnglish (US)
Pages (from-to)53-62
Number of pages10
JournalCurrent opinion in neurobiology
Volume33
DOIs
StatePublished - Aug 1 2015

ASJC Scopus subject areas

  • Neuroscience(all)

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