Ep 3: Preventing cognitive decline - Science Ventures

What this episode covers

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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How long is this episode of Science Ventures?

This episode is 15 minutes long.

When was this Science Ventures episode published?

This episode was published on March 2, 2025.

What is this episode about?

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...

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