A copper-based compound restored the brain's ability to clear toxic Alzheimer's proteins, dramatically reducing amyloid buildup and improving memory in laboratory experiments. The findings point to a potentially fast-tracked new treatment strategy because the drug has already been tested in humans for other neurological conditions.
The Research
Researchers at Monash University led by Dr. Jae Pyun and Professor Joseph Nicolazzo published a study in ACS Chemical Neuroscience showing that the copper compound Cu(ATSM) repaired the brain's waste-removal system. In people with Alzheimer's, P-glycoprotein (P-gp) pumps in the blood-brain barrier become less effective, allowing toxic amyloid-beta proteins to accumulate.
Over 56 days, the treatment increased the abundance of P-gp pumps by 24.1%, reduced amyloid-beta by 42%, and improved spatial learning by nearly 44% in an Alzheimer's model. The drug also enhanced anti-inflammatory and neuroprotective effects. Because Cu(ATSM) has already passed safety testing for Parkinson's and ALS in humans, it could move quickly into Alzheimer's clinical trials.
Why It Matters
Alzheimer's affects millions worldwide, and in Australia it recently surpassed heart disease as the leading cause of death. This study suggests that repairing the blood-brain barrier's waste-clearing function—rather than just targeting plaques—could be a powerful strategy. For anyone concerned about brain health, this highlights the importance of maintaining proper vascular function and waste clearance, which may be influenced by factors like diet and exercise.
What You Can Do
While this drug isn't available yet, you can support your brain's waste-clearing system by staying physically active, eating a diet rich in antioxidants and healthy fats, and getting good sleep—a key time when the brain clears toxins. Challenge your cognitive reserve with puzzles and learning new skills. For a personalized brain health snapshot, try our free adaptive IQ test.
Source: ScienceDaily Mind & Brain
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