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Updated: Jun 30, 2025
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In Vitro Assay for Studying the Aggregation of Tau Protein and Drug Screening
Published on: November 20, 2018
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Biochemical and Biophysical Characterization of Tau and α-Linolenic Acid Vesicles In Vitro
Smita Eknath Desale1,2, Hariharakrishnan Chidambaram1,2, Subashchandrabose Chinnathambi3,4,5
1Neurobiology Group, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune, Maharashtra, India.
Methods in Molecular Biology (Clifton, N.J.)
|March 21, 2024
Summary
Alpha-linolenic acid (ALA) can induce Tau protein aggregation in vitro. This study explored ALA's role in Tau pathology, using biochemical methods to analyze its aggregation potential.
Area of Science:
- Neuroscience
- Biochemistry
- Molecular Biology
Background:
- Alzheimer's disease (AD) involves abnormal protein accumulation, including Tau tangles.
- Tau protein exhibits
- prion-like
- propagation and can aggregate when interacting with anionic molecules.
Purpose of the Study:
- Investigate alpha-linolenic acid (ALA) as an inducer of Tau protein aggregation in vitro.
- Assess the potential of ALA, an omega-3 fatty acid, in modulating Tau pathology.
Main Methods:
- Utilized biochemical and biophysical techniques to study ALA-induced Tau aggregation.
- Employed SDS-PAGE, transmission electron microscopy, and CD spectroscopy for analysis.
Main Results:
- Demonstrated that ALA can induce the formation of higher-order Tau aggregates in vitro.
- Provided evidence for ALA's role in Tau aggregation dynamics.
Conclusions:
- ALA acts as an inducing agent for Tau aggregation under in vitro conditions.
- Further research into omega-3 fatty acids may offer insights into mitigating Tau pathology in Alzheimer's disease.
