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Updated: Jun 22, 2025

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In Vitro Aggregation Assays Using Hyperphosphorylated Tau Protein
Published on: January 2, 2015
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The crosstalk between extracellular matrix proteins and Tau
Subashchandrabose Chinnathambi1, Smita Eknath Desale1
1Department of Neurochemistry, National Institute of Mental Health and Neuro Sciences (NIMHANS), Institute of National Importance, Bangalore, Karnataka, India.
Advances in Protein Chemistry and Structural Biology
|July 3, 2024
Summary
Omega-3 fatty acids may enhance microglia
Area of Science:
- Neuroscience
- Immunology
- Cell Biology
Background:
- Alzheimer's disease involves extracellular Tau aggregates.
- Microglia, brain immune cells, phagocytose Tau but can be overwhelmed.
- Tau pathology can spread via seeding and interact with cellular components.
Purpose of the Study:
- To investigate how omega-3 fatty acids affect Tau internalization by microglia.
- To explore the role of actin remodeling in Tau phagocytosis influenced by omega-3s.
- To understand the interaction between Tau, omega-3s, and microglial actin-binding proteins.
Main Methods:
- Hypothesizing Tau internalization with omega-3s modulates actin remodeling.
- Investigating Tau-mediated activation of actin-binding proteins and extracellular matrix.
- Examining changes in cortical actin remodeling for phagocytosis.
Main Results:
- Omega-3 fatty acids may regulate microglial phagocytosis of Tau.
- Changes in membrane lipid composition by omega-3s promote anti-inflammatory microglial polarization.
- Tau interacts with actin-binding proteins, influencing actin remodeling.
Conclusions:
- Omega-3s show potential in modulating microglial Tau clearance.
- Understanding Tau-actin-binding protein interactions is key to microglial function.
- This research sheds light on novel therapeutic strategies for Alzheimer's disease.
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