Matches in SemOpenAlex for { <https://semopenalex.org/work/W4283788254> ?p ?o ?g. }
- W4283788254 abstract "Abstract The most common genetic risk factor for late-onset Alzheimer’s disease (AD) is the APOE4 allele, with evidence for gain- and loss-of-function mechanisms. ApoE knockout in mice abrogates AD phenotypes but causes severe atherosclerosis due to the role of liver ApoE in cholesterol homeostasis. Previous attempts to inhibit brain-specific ApoE with anti-sense oligonucleotides only modestly reduced ApoE expression and had no effect on amyloid burden in adult AD mice. Here, we optimized a divalent small interfering RNA (di-siRNA) to selectively and potently silence ApoE in the brain. Silencing brain ApoE in AD mice significantly reduced amyloid plaque formation without affecting systemic cholesterol levels, confirming that brain and liver APOE pools are spatially and functionally distinct. Mechanistically, APOE appears to be a scaffold for beta-amyloid aggregation that limits clearance by microglia. Di-siRNAs from this study can be taken to pre-clinical and clinical trials to accelerate development of AD-modifying therapies and establish siRNA-based modulation of ApoE as a viable path towards therapeutic development." @default.
- W4283788254 created "2022-07-04" @default.
- W4283788254 creator A5001146694 @default.
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- W4283788254 creator A5079445710 @default.
- W4283788254 date "2022-07-02" @default.
- W4283788254 modified "2023-10-16" @default.
- W4283788254 title "Silencing of <i>ApoE</i> with Divalent siRNAs Drives Activation of Immune Clearance Pathways and Improves Amyloid Pathology in Mouse Models of Alzheimer’s Disease" @default.
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