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Updated: Jul 30, 2026

Rapid Generation of Amyloid from Native Proteins In vitro
Published on: December 6, 2013
Protein amyloidose misfolding: mechanisms, detection, and pathological implications
Nigil Satish Jeyashekar1, Ajit Sadana, Tuan Vo-Dinh
1Chemical Engineering Department, University of Mississippi, Oak Ridge, TN, USA.
Misfolded proteins form amyloid fibrils, causing fatal amyloidosis diseases. Despite diverse origins, amyloid fibrils share structural similarities, enabling the development of universal therapeutic strategies to combat these protein misfolding diseases.
Area of Science:
- Biochemistry
- Pathology
- Medicine
Background:
- Misfolded proteins can aggregate into amorphous or fibrillar deposits in the extracellular space.
- These deposits are implicated in various diseases, including amyloidosis, which involves fibrillar aggregates known as amyloid fibrils.
Purpose of the Study:
- To discuss amyloidosis, a class of diseases caused by amyloid fibril deposition.
- To review the mechanisms of protein misfolding leading to amyloid fibril formation.
- To present therapeutic strategies targeting amyloid fibril formation.
Main Methods:
- Review of existing literature on protein misfolding and amyloidosis.
- Analysis of structural and morphological characteristics of amyloid fibrils using electron microscopy and X-ray fiber diffraction.
- Evaluation of therapeutic strategies aimed at preventing amyloid fibril formation.
Main Results:
- Amyloidosis is caused by fibrillar protein aggregates (amyloid fibrils) depositing in various organs.
- Different proteins misfold to form amyloid fibrils, each causing distinct diseases.
- Despite diverse protein origins, amyloid fibrils exhibit similar structures and morphologies.
Conclusions:
- Amyloid fibrils share common characteristics, suggesting a unified therapeutic approach.
- Therapeutic strategies targeting amyloid fibril formation hold promise for averting fatal amyloidosis diseases.
- Understanding protein misfolding mechanisms is crucial for developing effective treatments.
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