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Screening for Amyloid Aggregation by Semi-Denaturing Detergent-Agarose Gel Electrophoresis
Published on: July 16, 2008
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A Coumarin-Based Array for the Discrimination of Amyloids.
Natalie Trinh1, Kaustubh R Bhuskute2,3, Nikhil R Varghese4
1School of Chemistry, The University of Sydney, Sydney, New South Wales 2006, Australia.
ACS Sensors
|February 5, 2024
Summary
A novel fluorescent sensor array effectively distinguishes between various disease-associated amyloids, aiding early diagnosis of neurodegenerative diseases like Alzheimer's and Parkinson's. This technology also differentiates disease stages in mouse models.
Area of Science:
- Biochemistry
- Molecular Biology
- Medical Diagnostics
Background:
- Misfolded proteins self-assemble into amyloids, contributing to pathologies like Alzheimer's and Parkinson's diseases.
- Early detection and differentiation of amyloids are critical for diagnosing amyloid-related conditions.
Purpose of the Study:
- To develop a sensitive fluorescent sensor array for discriminating between various disease-associated amyloids.
- To assess the array's capability in distinguishing Alzheimer's disease progression in mouse models.
- To evaluate the array's versatility with functional amyloids.
Main Methods:
- Development of a coumarin-based two-sensor fluorescent array.
- Testing the array's discriminatory power against four distinct disease-associated amyloids.
- Application of the array to samples from Alzheimer's disease mouse models at different disease stages.
- Expansion of analyte testing to include functional amyloids.
Main Results:
- The two-sensor array achieved 100% classification accuracy for four disease-associated amyloids.
- The array successfully discriminated between early and advanced stages of Alzheimer's disease in mouse models.
- The same array demonstrated 100% classification accuracy for a panel of eight disease-associated and functional amyloids.
Conclusions:
- A versatile coumarin-based fluorescent sensor array enables accurate discrimination of multiple amyloids.
- This technology holds promise for the early diagnosis and staging of amyloid-related pathologies, including neurodegenerative diseases.
- The sensor array's flexibility extends its utility to functional amyloids, broadening its diagnostic potential.
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