X chromosome accelerates brain aging

This is a news story, published by Live Science, that relates primarily to Buckley news.

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biological aging

Live Science

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Science

Faster brain aging tied to X chromosome inherited from Mom

Summary

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82% Informative

The X chromosome passed from mom to offspring may accelerate brain aging, a new animal study suggests.

The research highlights a potential fundamental difference in how males' and females' brains age.

The study was conducted in mice, but if the findings translate to humans, they could point to sex-specific drivers of cognitive decline and, eventually, ways to prevent or treat them.

The more active maternal X's a person carries, the more pronounced the impact on brain aging, Dubal speculated.

Future research should look at human brain tissue to check that the results carry over, Buckley said.

In the long run, this line of research could help scientists understand the influence of sex on dementia risk.

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semi-formal

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English

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Offensive language