ArticleMolecular biology reports2017
CADASIL mutant NOTCH3(R90C) decreases the viability of HS683 oligodendrocytes via apoptosis.
Article in Molecular biology reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 9 citations in OpenAlex.
- NOTCH3 Mutations in CADASIL: a multicellular perspective on neurodegeneration.Cell communication and signaling : CCS · 2026Review
- Signaling pathways and molecular mechanisms involved in the onset and progression of cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL); a focus on Notch3 signaling.The journal of headache and pain · 2025Review
- scHiClassifier: a deep learning framework for cell type prediction by fusing multiple feature sets from single-cell Hi-C data.Briefings in bioinformatics · 2024Article
- A heterozygous mutation inFrontiers in genetics · 2022Article
- CADASIL from Bench to Bedside: Disease Models and Novel Therapeutic Approaches.Molecular neurobiology · 2021Review
- Severe white matter astrocytopathy in CADASIL.Brain pathology (Zurich, Switzerland) · 2018Article
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Authors and funding
12 authors at 1 institution in 1 country.
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Abstract
Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is the most common hereditary cerebral small vessel disease caused by mutations in NOTCH3. Prevailing models suggest that demyelination occurs secondary to vascular pathology. However, in zebrafish, NOTCH3 is also expressed in mature oligodendrocytes. Thus, we hypothesized that in addition to vascular defects, mutant NOTCH3 may alter glial function in individuals with CADASIL. The aim of this study was to characterize the direct effects of a mutant NOTCH3 protein in HS683 oligodendrocytes. HS683 oligodendrocytes transfected with wild-type NOTCH3, mutant NOTCH3(R90C), and empty control vector were used to study the impact of the NOTCH3(R90C) mutant on its protein hydrolytic processing, cell viability, apoptosis, autophagy, oxidative stress, and the related upstream events using immunoblotting, immunofluorescence, RT-PCR, and flow cytometry. We determined that HS683 oligodendrocytes transfected with mutant NOTCH3(R90C), which is the hotspot mutation site-associated with CADASIL, exhibited aberrant NOTCH3 proteolytic processing. Compared to cells overexpressing wild-type NOTCH3, cells overexpressing NOTCH3(R90C) were less viable and had a higher rate of apoptosis. Immunoblotting revealed that cells transfected with NOTCH3(R90C) had higher levels of intrinsic mitochondrial apoptosis, extrinsic death receptor path-related apoptosis, and autophagy compared with cells transfected with wild-type NOTCH3. This study suggests that in patients with CADASIL, early defects in glia influenced by NOTCH3(R90C) may directly contribute to white matter pathology in addition to secondary vascular defects. This study provides a potential therapeutic target for the future treatment of CADASIL.
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