Developmental Brain Programmes And Biomarker Activation In Alzheimer’S Disease
Our brains are incredibly complex, constantly working to maintain health and repair damage. New research suggests that some of the markers we associate with diseases like Alzheimer’s might actually be signs of the brain trying to fix itself. For instance, certain proteins, like glial fibrillary acidic protein (GFAP) and phosphorylated tau (p-tau217), are known to be elevated in Alzheimer’s. However, these same proteins are also found at high levels in healthy newborns, where they play crucial roles in brain development and repair.
This leads to a fascinating idea: perhaps the increased levels of these “biomarkers” in an aging brain aren’t just indicators of damage, but rather a chronic effort by the brain to reactivate its natural repair mechanisms. Imagine your brain trying to mend itself by re-engaging programs it used when it was first forming or recovering from injury.
When these repair attempts are overwhelmed by persistent issues like metabolic problems, inflammation, or issues with protein balance (known as proteostasis), the biomarkers remain elevated. This perspective suggests that instead of solely focusing on reducing these biomarkers, treatments for neurodegenerative conditions like Alzheimer’s might be more effective if they target the underlying stressors that prevent the brain from successfully resolving its repair efforts. This could open new avenues for understanding and treating brain diseases.
Source: link to paper