ArticleAlzheimer's research & therapy2026
A small molecule modulating heterogeneous amyloid-β isoforms improves cognitive and pathological outcomes in acute and 5XFAD Alzheimer's disease models.
Article in Alzheimer's research & therapy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundAlzheimer's disease (AD) is characterized by the pathological aggregation of amyloid-β (Aβ) peptides into neurotoxic assemblies. While recent antibody therapies targeting Aβ have shown clinical efficacy, they face limitations including specificity for particular Aβ species and accessibility challenges. The structural heterogeneity of Aβ isoforms, including Aβ
methodsThe effects of YIAD-1003, a dihydropyrrolo[1,2-a]pyrazine derivative, were evaluated in vitro using Thioflavin T fluorescence assays and A11 dot blot to assess fibrillization and dissociation of preformed aggregates across Aβ
resultsYIAD-1003 inhibited fibril formation and promoted dissociation of preformed aggregates across multiple Aβ isoforms in vitro. In the acute model, co-administration of YIAD-1003 ameliorated Aβ
conclusionsYIAD-1003, a dihydropyrrolo[1,2-a]pyrazine derivative, exhibits broad-spectrum intervention in Aβ assembly across multiple isoforms and confers functional and pathological benefits in AD mouse models. These findings support the development of multi-isoform small-molecule modulators as a possible AD therapeutic strategy.
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