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  "path": "/news/2026-04-unleashing-natural-killer-cells-cancer.html",
  "publishedAt": "2026-04-27T07:00:02.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "Scientists have developed a strategy to boost the cancer-fighting power of natural killer (NK) cells, part of the immune system's first line of defense. NK cells can detect and destroy cancer cells, but tumors often create a protective barrier that blocks them, allowing cancer to grow.",
  "title": "Unleashing natural killer cells against cancer"
}