Resveratrol Acts Not through Anti-Aggregative Pathways but Mainly via Its Scavenging Properties against Aβ and Aβ-Metal Complexes Toxicity
2011

Resveratrol's Role in Reducing Alzheimer's Toxicity

publication Evidence: moderate

Author Information

Author(s): Alberto Granzotto, Paolo Zatta

Primary Institution: Centro Nazionale delle Ricerche, Istituto Tecnologie Biomediche (CNR-ITB), University of Padova, Italy

Hypothesis

Can resveratrol act as a neuroprotectant against Aβ and Aβ-metal complexes?

Conclusion

Resveratrol reduces toxicity in neuroblastoma cells exposed to Aβ and Aβ-metal complexes primarily through its scavenging properties.

Supporting Evidence

  • Resveratrol was shown to be non-toxic at a concentration of 15 µM.
  • The study found that resveratrol significantly reduced cell mortality caused by Aβ-Fe and Aβ-Zn.
  • Resveratrol did not influence the aggregation of Aβ-metal complexes except for Aβ-Cu, where it enhanced fibrillization.

Takeaway

Resveratrol, a natural compound found in grapes, helps protect brain cells from damage caused by certain toxic proteins related to Alzheimer's disease.

Methodology

The study used neuroblastoma cell cultures treated with Aβ and Aβ-metal complexes in the presence or absence of resveratrol.

Limitations

The use of a transformed cell line (neuroblastoma, SH-SY5Y) may limit the generalizability of the findings.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0021565

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