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  "path": "/news/2026-04-extra-chromosomes-tumor-cells-engulf.html",
  "publishedAt": "2026-04-21T10:00:02.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "Researchers at Tulane University School of Medicine have discovered that if animal cells gain an extra set of chromosomes, a condition known as polyploidy, they activate a stress signaling pathway that causes them to become more mobile and capable of engulfing neighboring cells with normal chromosome numbers.",
  "title": "Extra chromosomes may help tumor cells move and engulf neighbors, study suggests"
}