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Updated: Jun 8, 2026
05:48
Rapid Generation of Amyloid from Native Proteins In vitro
Published on: December 5, 2013
Biology of amyloid: structure, function, and regulation
1ETH Zurich, Physical Chemistry, ETH Honggerberg, 8093 Zurich, Switzerland.
Structure (London, England : 1993)
|October 16, 2010
Summary
Amyloid protein aggregates, known for disease and hormone storage, possess unique structural properties. Recent studies reveal their diverse biological activities and potential ancient roles in early life.
Area of Science:
- Biochemistry
- Structural Biology
- Molecular Biology
Background:
- Amyloids are ordered cross-β sheet protein aggregates implicated in diseases like Alzheimer's and in biological functions such as hormone storage.
- Their unique, repeating intermolecular β sheet motif distinguishes them from other protein folds.
- Amyloid structure facilitates cooperativity, enhancing monomeric activities, and supports polymorphism.
Purpose of the Study:
- To review recent high-resolution structural studies of amyloid fibrils.
- To explore the biological activities arising from unique amyloid properties.
- To speculate on potential undocumented biological roles, including prebiotic and early cellular functions.
Main Methods:
- Review of recent high-resolution structural studies.
- Analysis of structure-function relationships in amyloid fibrils.
- Literature synthesis and theoretical speculation.
Main Results:
- Amyloid structure enables potent, cooperative activities and polymorphism.
- High-resolution studies illuminate the link between amyloid structure and diverse biological functions.
- Amyloids exhibit a range of biological activities beyond disease association.
Conclusions:
- The unique structural features of amyloids underpin their diverse biological activities.
- Amyloids may have played significant roles in the prebiotic world and as early functional protein folds.
- Further research into amyloid structures can uncover novel biological functions.
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