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  "path": "/news/2026-04-cells-secrete-dna-boost-immune.html",
  "publishedAt": "2026-04-30T18:20:01.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "Activated immune cells secrete tiny capsules bearing DNA that can enter other immune and tumor cells to stimulate the body's defense systems, according to a study led by investigators at Weill Cornell Medicine. The discovery extends the scientific understanding of the immune system, identifies a new strategy for boosting immunity against cancers and potentially offers a new tool for delivering genetic payloads to other cells.",
  "title": "T cells secrete DNA to boost the immune system's cancer-fighting ability"
}