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Related Experiment Video

Updated: Nov 21, 2025

Rapid Generation of Amyloid from Native Proteins In vitro

Rapid Generation of Amyloid from Native Proteins In vitro

Published on: December 5, 2013

Heterotypic interactions in amyloid function and disease.

Katerina Konstantoulea^1,2, Nikolaos Louros^1,2, Frederic Rousseau^1,2

¹VIB Center for Brain and Disease Research, Leuven, Belgium.

The FEBS Journal

|January 18, 2021

Summary

This summary is machine-generated.

Amyloid aggregation involves protein self-assembly, impacting human diseases. Heterotypic interactions between amyloids and other molecules significantly alter aggregation and toxicity, offering new insights into neurodegenerative diseases.

Keywords:

aggregation-prone regions amyloid co-deposition amyloid polymorphism amyloid strains amyloidosis co-aggregation cross-seeding functional amyloids heterotypic aggregation phase separation phase transition prion transmissibility selective vulnerability sequence specificity supersaturated proteins

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Published on: August 14, 2016

Area of Science:

Biochemistry
Molecular Biology
Neuroscience

Background:

Amyloid aggregation, characterized by cross-beta-sheet structures, is implicated in numerous human pathologies.
These self-assembly processes are fundamental biological mechanisms across all life forms.
The role of heterotypic interactions (amyloid with other macromolecules) in disease pathogenesis is not fully understood.

Purpose of the Study:

To review current data on heterotypic interactions in amyloid processes, focusing on neurodegenerative diseases.
To elucidate how these interactions influence amyloid aggregation and disease progression.
To explore potential mechanisms driving heterotypic amyloid interactions.

Main Methods:

Literature review of existing data on amyloid aggregation and heterotypic interactions.
Analysis of evidence linking these interactions to neurodegenerative diseases.
Synthesis of current understanding regarding the mechanistic origins of these interactions.

Main Results:

Heterotypic interactions are prevalent in various amyloid processes.
These interactions demonstrably modify key aspects of amyloid aggregation, including seeding, aggregation rates, and toxicity.
Both supersaturation and sequence-specific binding are proposed as contributing factors to heterotypic interactions.

Conclusions:

Heterotypic interactions significantly impact amyloid aggregation and are relevant to neurodegenerative diseases.
Understanding these interactions is crucial for addressing cellular vulnerability and disease spread patterns.
Further research into the mechanisms of heterotypic amyloid interactions is warranted.