In healthy neurons, tau binds to and stabilizes microtubules, which are essential for maintaining cell structure and facilitating axonal transport.
In AD, tau becomes abnormally hyperphosphorylated. This excessive phosphorylation reduces its affinity for microtubules, leading to destabilization of the cytoskeletal structure.
-Abnormal phosphorylated tau (p-tau) can be detected in cerebrospinal fluid (CSF) and blood plasma.
-Imaging techniques like tau PET scans can visualize tau deposits in the brain.
Natural Products targeting tau
-Curcumin via GSK-3β inhibition
-Resveratrol Activates SIRT1
-EGCG inhibits Tau, but BBB penetration is questionable
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