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Study Links Cat Cancer Genes to Human Risks

2/20/2026

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Story summary
  • An international research team published in Science identifying gene mutations linked to rare, aggressive cancers in cats and humans, based on nearly 500 cats.
  • Mutations in FBXW7 and PIK3CA, genes linked to human breast cancer, were prevalent in feline cancers.
  • Louise van der Weyden, senior researcher, notes cats could be better cancer models because of their shared environment with humans, implying similar cancer risks for people.