Ep 3: Preventing cognitive decline
An episode of the Science Ventures podcast, hosted by Derrick Dao, titled "Ep 3: Preventing cognitive decline" was published on March 2, 2025 and runs 15 minutes.
March 2, 2025 ·15m · Science Ventures
Summary
Scientists have discovered that the glycocalyx, a protective sugar-rich layer on blood vessels, plays a crucial role in maintaining the blood-brain barrier (BBB)—the brain’s natural defense system. As we age or develop neurodegenerative diseases like Alzheimer’s, this protective layer weakens, making the brain more vulnerable to damage. But there’s hope! Researchers found that restoring certain sugar modifications using gene therapy strengthens the BBB, reduces brain inflammation, and even improves memory in aged mice.
Episode Description
Scientists have discovered that the glycocalyx, a protective sugar-rich layer on blood vessels, plays a crucial role in maintaining the blood-brain barrier (BBB)—the brain’s natural defense system. As we age or develop neurodegenerative diseases like Alzheimer’s, this protective layer weakens, making the brain more vulnerable to damage. But there’s hope! Researchers found that restoring certain sugar modifications using gene therapy strengthens the BBB, reduces brain inflammation, and even improves memory in aged mice.
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