{
  "id": 7572542,
  "title": "Experimental cancer vaccine makes its own oxygen and gives T-cells a boost",
  "url": "https://urgent.news/2026/09/15/experimental-cancer-vaccine-makes-its-own-oxygen-and-gives-t-cells-a",
  "topic": "science",
  "section": "Science",
  "published": "2026-09-15T15:00:03.000Z",
  "source": {
    "name": "Medical Xpress",
    "slug": "medical-xpress",
    "url": "https://medicalxpress.com/news/2026-09-experimental-cancer-vaccine-oxygen-cells.html"
  },
  "original_language": "en",
  "account": "Oxygen is vital for human life, and its importance extends beyond survival. The immune system, which combats cancer, also relies on oxygen to function effectively. However, tumors often contain regions with low oxygen levels, a condition known as hypoxia. This low-oxygen environment suppresses the immune system's T cells, making them less effective in targeting and destroying cancer cells. In a new development, a vaccine developed by researchers at Bouvé College of Health Sciences could help overcome this challenge. The vaccine, generated by Professor Stephen Hatfield and his team, contains a cryogel—a sponge-like material formed at -20°C. When thawed, it becomes very porous, allowing the injection site to generate oxygen through a chemical reaction. This oxygen boost helps train T cells to recognize and target cancer cells, addressing the issue of hypoxia. In tests on mice with prostate tumors, the vaccine slowed tumor growth and extended survival from 47 to 76 days. This innovative approach to vaccine development could potentially lead to new treatments for cancer patients.",
  "summary": "When it comes to priorities in life, oxygen tops the list. Humans can go weeks without food and days without water. Take away the ability to breathe, however, and the clock starts ticking within minutes as the brain begins shutting down. But the life-giving gas does even more heavy lifting than you might think.",
  "key_points": [
    "Vaccine contains cryogel that generates oxygen when thawed",
    "Oxygen boost helps train T cells to target cancer cells",
    "Mice with prostate tumors saw slower tumor growth and longer survival"
  ],
  "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."
}