نتایج جستجو برای: β amyloid aggregation
تعداد نتایج: 265469 فیلتر نتایج به سال:
The aggregation of amyloid-β peptides into protein fibres is one of the main neuropathological features of Alzheimer's disease (AD). While imaging of amyloid-β aggregate morphology in vitro is extremely important for understanding AD pathology and in the development of aggregation inhibitors, unfortunately, potentially highly toxic, early aggregates are difficult to observe by current electron ...
OBJECTIVES β-cell dysfunction and apoptosis associated with islet inflammation play a key role in the pathogenesis of type 2 diabetes (T2D). Growing evidence suggests that islet amyloid, formed by aggregation of human islet amyloid polypeptide (hIAPP), contributes to islet inflammation and β-cell death in T2D. We recently showed the role of interleukin-1β (IL-1β)/Fas/caspase-8 apoptotic pathway...
BACKGROUND Cognitive decline (e.g., memory loss), which mainly occurs in the elderly, is termed dementia. In the present study, we intended to explore the cholinesterase inhibitory activity of some novel synthesized chalcones, together with their effect on β-amyloid anti-aggregation. MATERIAL AND METHODS A novel class of chalcone derivatives have been synthesized and characterized by FT-IR, ¹H-...
Amyloid β is one of the peptides involved in the onset of Alzheimer's disease, yet the structure of the toxic species and its underlying mechanism remain elusive on account of the dynamic nature of the Aβ oligomerisation process. While it has been reported that incubation of Amyloid β (1-42) sequences (Aβ42) lead to formation of aggregates that vary in morphology and toxicity, we demonstrate th...
BACKGROUND The amyloid-β peptide (Aβ42) is the main component of the inter-neuronal amyloid plaques characteristic of Alzheimer's disease (AD). The mechanism by which Aβ42 and other amyloid peptides assemble into insoluble neurotoxic deposits is still not completely understood and multiple factors have been reported to trigger their formation. In particular, the presence of endogenous metal ion...
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