A Molecular Imprint of Intracellular Amyloid-Beta ApoE Interaction Correlates with Its Toxicity Molecular Imprint of Intracellular Amyloid Beta ApoE Interaction
BIOPHYSICAL JOURNAL(2023)
摘要
ApoE isoforms are major genetic risk factors related to Alzheimer's disease (AD), which is associated with the aggregation of the amyloid beta (Aβ) peptide. However, a molecular-level understanding of how ApoE is involved in AD pathology is still lacking. Here we employ a fluorescent lifetime-based assay that reports a specific ApoE-dependent modification of Aβ, both in vitro and in neuronal cells. We explore this phenomenon in several types of cells where the change of lifetime of Aβ oligomers correlates with the relative ApoE content, with the highest effect displayed by primary-cultured rat astrocytes.
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关键词
Protein Misfolding
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