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Abstract Title:

Innovative Anthocyanin/Anthocyanidin Formulation Protects SK-N-SH Cells Against the Amyloid-β Peptide-Induced Toxicity: Relevance to Alzheimer's Disease.

Abstract Source:

Cent Nerv Syst Agents Med Chem. 2015 Jul 30. Epub 2015 Jul 30. PMID: 26238538

Abstract Author(s):

Abdenour Belkacemi, Charles Ramassamy

Article Affiliation:

Abdenour Belkacemi

Abstract:

Alzheimer's disease (AD) is the most prevalent neurodegenerative disorder of aging. It is a multifactorial disease with several overlapping pathways. Therefore, successful therapy should target several pathological features simultaneously. In this regard, cumulative data have demonstrated that polyphenols can display neuroprotective effects through different mechanisms. In this study, we tested the hypothesis that a mixture of anthocyanins/anthocyanidins present in the formulation MAF14001 may mitigate the amyloid-β peptide (Aβ) toxicity. Anthocyanins are a class of polyphenols capable to cross the blood brain barrier and their intake is associated to a reduced risk of some several chronic diseases. Our results showed that the formulation MAF14001 can protect SK-N-SH cells against Aβ-induced toxicity. From5 µM, MAF14001 protected SK-N-SH cells against Aβ toxicity by preventing oxidative stress, mitochondrial dysfunction and apoptosis. Furthermore, MAF14001 might directly interact with Aβ to prevent its aggregation process, a key process on Aβ-induced oxidative stress. Indeed, in the presence ofMAF14001, Aβ was less susceptible to fibrillation. Finally, MAF14001 decreased the tau phosphorylation (Ser-202) induced by Aβ. Altogether, these results demonstrated that MAF14001 could target multiple mechanisms involved in the etiology of AD and could be useful in preventing and treating AD.

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Sayer Ji
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