How mother's and father's X chromosomes can compete in the body and in cancer

Competition between maternal and paternal X chromosomes in human biology and cancer

NIH-funded research San Francisco State University · NIH-11319836

Researchers are looking at whether the versions of the X chromosome you inherit from your mother or father act differently in people and how those differences relate to cancer and other health issues.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionSan Francisco State University NIH-funded
Lab location1 site (San Francisco, United States)
Project IDNIH-11319836 on NIH RePORTER

What this research studies

From a patient's point of view, the team is examining how X chromosomes inherited from each parent influence gene control in human cells, with a focus on microRNA networks and gene expression patterns. They will use laboratory analyses of cellular and molecular data to map regulatory and transcriptomic differences linked to the X chromosome. The work will connect those molecular patterns to cancer biology to understand when parental-origin conflicts might drive tumor behavior. Results will help guide ideas for future conflict-focused treatments or biomarkers.

Who could benefit from this research

Good fit: People with cancers—especially those where sex or X-chromosome biology seems relevant—or patients willing to donate tumor tissue or blood samples would be most relevant to this work.

Not a fit: Patients seeking an immediate change in their current treatment are unlikely to benefit directly from this basic research in the short term.

Why it matters

Potential benefit: If successful, this research could reveal new molecular markers or targets that explain sex- and X-linked differences in some cancers and eventually guide better diagnostics or therapies.

How similar studies have performed: Previous studies have mapped X-chromosome gene expression and X inactivation, but applying the idea of parental-origin intragenomic conflict to human cancer is relatively new.

Where this research is happening

San Francisco, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Conditions Cancers
Last reviewed 2026-06-10 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.