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News
Postmenopausal ovaries are far from inactive. A new Northwestern University and Buck Institute study found that ovaries continue to biologically remodel for decades after menopause, becoming increasingly inflamed and structurally altered — and sharing molecular hallmarks with ovarian cancer. The findings challenge the long-held assumption that post-reproductive ovaries are dormant and raise new questions about women's long-term health.
Think the ovaries just shut down after menopause? Think again. A paradigm-shifting study from Northwestern University and the Buck Institute for Research on Aging found that ovaries continue to actively remodel for decades after menopause — becoming more inflamed, structurally altered, and molecularly similar to environments where cancer thrives.
Researchers analyzed 5,812 protein groups from ovarian tissue of 28 postmenopausal women aged 50–75. Younger postmenopausal ovaries were rich in proteins supporting cell and tissue maintenance, while older ovaries showed rising levels of proteins linked to inflammation, immune activity, and tissue breakdown — patterns also seen in cellular senescence. Notably, some proteins associated with ovarian cancer were more abundant in aging (but cancer-free) ovaries, particularly in women in their 60s, suggesting that normal ovarian aging and cancer development may share biological pathways.
Key Takeaways:
Why it matters: With women living 30+ years post-menopause, understanding what the ovary is doing during this period is critical. This research opens the door to new strategies for ovarian cancer prevention and broader insights into how ovarian aging may influence bone health, brain health, and systemic aging in women.
