ArticleJournal of Huntington's disease2020
Transcriptional Assessment of Striatal mRNAs as Valid Biomarkers of Disease Progression in Three Mouse Models of Huntington's Disease.
Article in Journal of Huntington's disease, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 2 citations in OpenAlex.
- Therapeutic approaches targeting aging and cellular senescence in Huntington's disease.CNS neuroscience & therapeutics · 2024Review
- Neuronal and astrocytic contributions to Huntington's disease dissected with zinc finger protein transcriptional repressors.Cell reports · 2023Article
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Authors and funding
10 authors at 3 institutions in 1 country.
Funding
Abstract
backgroundHuntington's disease (HD) is a progressive neurodegenerative disorder that prominently affects the basal ganglia, leading to affective, cognitive, behavioral, and motor decline. The primary site of neuron loss in HD is the striatal part of the basal ganglia, with GABAergic medium size spiny neurons (MSNs) being nearly completely lost in advanced HD.
objectiveBased on the hypothesis that mutant huntingtin (mHTT) protein injures neurons via transcriptional dysregulation, we set out to establish a transcriptional profile of HD disease progression in the well characterized transgenic mouse model, R6/2, and two Knock-in models (KI); zQ175KI (expressing mutant mouse/human chimeric Htt protein) and HdhQ200 HET KI (carrying one allele of expanded mouse CAG repeats).
methodsIn this study, we used quantitative PCR (qPCR) to evaluate striatal mRNA levels of markers of neurotransmission, neuroinflammation, and energy metabolism.
resultsAfter analyzing and comparing transcripts from pre-symptomatic and symptomatic stages, markers expressed in the basal ganglia MSNs, which are typically involved in maintaining normal neurotransmission, showed a genotype-specific decrease in mRNA expression in a pattern consistent with human studies. In contrast, transcripts associated with neuroinflammation and energy metabolism were mostly unaffected in these animal models of HD.
conclusionOur results show that transcripts linked to neurotransmission are significantly reduced and are consistent with disease progression in both zQ175KI and R6/2 transgenic mouse models.
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