ArticleRare diseases (Austin, Tex.)2014
Impaired striatal function in Huntington's disease is due to aberrant p75NTR signaling.
Article in Rare diseases (Austin, Tex.), 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 12 citations in OpenAlex.
- Neurotrophins and Their Receptors: BDNF's Role in GABAergic Neurodevelopment and Disease.International journal of molecular sciences · 2024Review
- Dysregulation of the Basal Ganglia Indirect Pathway in Early SymptomaticThe Journal of neuroscience : the official journal of the Society for Neuroscience · 2022Article
- Review
- Liraglutide Improves Cognitive and Neuronal Function in 3-NP Rat Model of Huntington's Disease.Frontiers in pharmacology · 2021Article
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Authors and funding
2 authors at 1 institution in 1 country.
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Abstract
Huntington's disease (HD) is a rare genetic neurodegenerative disorder for which there is currently no cure. Early hyperkinetic motor symptoms are consistent with reduced activity of indirect pathway striatal projection neurons (iSPNs) responsible for suppression of unwanted actions. Our recent work suggests that one of the factors contributing to this deficit is impaired brain-derived neurotrophic factor (BDNF) signaling that regulates the strength of iSPN excitatory synapses. Specifically, we found that BDNF-dependent corticostriatal synaptic long-term potentiation (LTP) was lost in iSPNs from 2 genetic models of HD, just as they began to robustly manifest motor symptoms. This deficit was not attributable to problems in BDNF production, delivery or receptor binding. Rather, the plasticity deficit stemmed from enhanced signaling through p75 neurotrophin receptors (p75NTRs) and the phosphatase and tensin homolog (PTEN), leading to antagonism of intracellular TrkBR cascades and LTP. This study suggests HD therapeutics should target p75NTR signaling, not TrkBR.
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