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Why Do Women Get Alzheimer’s More Than Men? Study Offers Clue

MEDSCAPE – Of the more than 6 million Alzheimer’s patients in the U.S. age 65 or older, nearly two-thirds are women. A new study may help explain the gender gap — and offer clues to new treatments for helping patients of both sexes fight back.

Scientists at Case Western Reserve University zeroed in on a gene named USP11, found on the X chromosome.

Women have two X chromosomes, while men at birth have one X and one Y. So while all males have one copy of USP11, females have two.

SP11 in the body, imagine you’re on the sidewalk of a bustling city. Just like the residents in the buildings, our brains create waste that must be hauled away.

If the waste was left on the sidewalks without removal, it would pile up, seep into roadways, disrupt life, and become toxic to the environment.

“The study adds to a growing body of evidence that shows women may be more vulnerable than men to higher levels of tau, possibly explaining why women are affected by the disease more often than men.”

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In the brain, one waste product is a protein called tau. Too little tau can damage nerve cells, explain researchers David Kang, PhD, and JungA “Alexa” Woo, PhD, who led the study.

But too much becomes toxic and can lead to neurodegenerative diseases such as Alzheimer’s.

In fact, new research suggests that testing for changes in tau may someday help doctors diagnose Alzheimer’s earlier.

To manage tau, your brain uses a regulatory protein called ubiquitin to “tag” or signal the body that extra tau should be removed …

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