Interaction between Amyloid Beta Peptide and an Aggregation Blocker Peptide Mimicking Islet Amyloid Polypeptide
2011
Interaction between Amyloid Beta Peptide and an Aggregation Blocker Peptide Mimicking Islet Amyloid Polypeptide
publication
Evidence: moderate
Author Information
Author(s): Rezaei-Ghaleh Nasrollah, Andreetto Erika, Yan Li-Mei, Kapurniotu Aphrodite, Zweckstetter Markus
Primary Institution: Max-Planck-Institute for Biophysical Chemistry
Hypothesis
The study investigates the interaction of IAPP-GI with Aβ40 and Aβ42 using NMR spectroscopy.
Conclusion
IAPP-GI redirects Aβ into nontoxic aggregates, suggesting a potential therapeutic approach for Alzheimer's disease.
Supporting Evidence
- IAPP-GI was shown to block cytotoxic assembly of Aβ.
- The interaction of IAPP-GI with Aβ resulted in a concentration-dependent co-aggregation.
- Reduced toxicity of Aβ in the presence of IAPP-GI suggests a shift to nontoxic aggregates.
Takeaway
This study shows that a special peptide can help prevent harmful clumps of another peptide that is linked to Alzheimer's disease.
Methodology
NMR spectroscopy was used to study the interaction between IAPP-GI and Aβ peptides.
Digital Object Identifier (DOI)
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