{
  "id": 807688,
  "title": "Rb's unexpected activation of estrogen-responsive genes could explain breast cancer treatment resistance",
  "url": "https://urgent.news/2026/08/13/rbs-unexpected-activation-of-estrogen-responsive-genes-could-explain",
  "topic": "health",
  "section": "Health & Medicine",
  "published": "2026-08-13T20:20:03.000Z",
  "source": {
    "name": "Medical Xpress",
    "slug": "medical-xpress",
    "url": "https://medicalxpress.com/news/2026-08-rb-unexpected-estrogen-responsive-genes.html"
  },
  "original_language": "en",
  "account": null,
  "summary": "Researchers at Peter Mac have discovered why breast cancer treatment stops working for some patients, uncovering the unexpected role of one of the body's most important cancer-fighting proteins. The study, published in Nature, revealed that the retinoblastoma (Rb) protein—long considered one of the body's natural brakes on cancer growth—has a more complex function than previously understood.",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}