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Updated: Feb 22, 2026

Rapid Generation of Amyloid from Native Proteins In vitro
Published on: December 5, 2013
Why are Functional Amyloids Non-Toxic in Humans?
Matthew P Jackson1, Eric W Hewitt2
1School of Molecular and Cellular Biology and Astbury Centre for Structural Molecular Biology, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK. m.p.jackson@leeds.ac.uk.
Cells can produce functional amyloids, which are protein aggregates, without harm. Understanding how cells manage amyloid formation offers insights into preventing toxic amyloid diseases.
Area of Science:
- Biochemistry
- Molecular Biology
- Cell Biology
Background:
- Amyloid fibrils were initially linked to human diseases called amyloidoses, characterized by protein misfolding.
- Recent research has revealed that amyloid fibrils also serve essential physiological functions in humans.
Purpose of the Study:
- To explore the remarkable ability of cells to produce functional amyloids without toxicity.
- To investigate the mechanisms cells employ to prevent or mitigate amyloid-associated toxicity.
Main Methods:
- Review of existing literature on amyloid formation, functional amyloids, and cellular defense mechanisms.
- Analysis of proposed strategies for controlling amyloidogenic processes within cells.
Main Results:
- Cells possess multiple strategies to prevent amyloid toxicity during functional amyloid production.
- These strategies include regulating protein levels, minimizing toxic oligomers, compartmentalizing amyloids, and controlling fibril assembly/disassembly.
Conclusions:
- The mechanisms protecting against functional amyloid toxicity are diverse and sophisticated.
- Understanding these protective mechanisms could pave the way for novel therapeutic strategies against amyloid-related diseases.
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