Longevity News

SIRT7 regulates dosage compensation and safeguards the female X chromosome - Nature

Source: Nature - Main • Published: 10 Jun 2026, 00:00

SIRT7 regulates dosage compensation and safeguards the female X chromosome - Nature

Examine a sirtuin family's link to X‑chromosome regulation and how sex-specific chromatin changes affect genome stability and fitness.

Key Takeaways
  • Sirtuins are deacetylases implicated in stress responses and longevity in mammals 1 , 2
  • Although their differential impact on disease for the two sexes has been noted 3
  • Xist is overexpressed and gene silencing becomes more efficient
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