ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2024
Leuco Ethyl Violet as Self-Activating Prodrug Photocatalyst for In Vivo Amyloid-Selective Oxygenation.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2024. 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed.
- Dexter Energy Transfer Photocatalytic Microdissection of Amyloid Plaques in Alzheimer's Disease.JACS Au · 2026Article
- Targeting the glymphatic system: Aβ accumulation and phototherapy strategies across different stages of Alzheimer's disease.Translational neurodegeneration · 2025Review
- Photothermal and Photodynamic Strategies for Diagnosis and Therapy of Alzheimer's Disease by Modulating Amyloid-β Aggregation.Biosensors · 2025Review
- Proteolytic therapeutic modalities for amyloidoses: Insights into immunotherapy, PROTAC, and photo-oxygenation.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2025Review
- Leuco Ethyl Violet as Self-Activating Prodrug Photocatalyst for In Vivo Amyloid-Selective Oxygenation.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Quantitative prediction of rate constants and its application to organic emitters.Nature communications · 2024Article
Corrections and comments
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Authors and funding
12 authors.
Funding
Abstract
Aberrant aggregates of amyloid-β (Aβ) and tau protein (tau), called amyloid, are related to the etiology of Alzheimer disease (AD). Reducing amyloid levels in AD patients is a potentially effective approach to the treatment of AD. The selective degradation of amyloids via small molecule-catalyzed photooxygenation in vivo is a leading approach; however, moderate catalyst activity and the side effects of scalp injury are problematic in prior studies using AD model mice. Here, leuco ethyl violet (LEV) is identified as a highly active, amyloid-selective, and blood-brain barrier (BBB)-permeable photooxygenation catalyst that circumvents all of these problems. LEV is a redox-sensitive, self-activating prodrug catalyst; self-oxidation of LEV through a hydrogen atom transfer process under photoirradiation produces catalytically active ethyl violet (EV) in the presence of amyloid. LEV effectively oxygenates human Aβ and tau, suggesting the feasibility for applications in humans. Furthermore, a concept of using a hydrogen atom as a caging group of a reactive catalyst functional in vivo is postulated. The minimal size of the hydrogen caging group is especially useful for catalyst delivery to the brain through BBB.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.