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  "path": "/news/2026-05-mitochondria-immune-cell-effectiveness-immunotherapy.html",
  "publishedAt": "2026-05-22T14:00:02.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "A study led by researchers at the Centro Nacional de Investigaciones Cardiovasculares (CNIC) has identified a mitochondrial checkpoint that enables dendritic cells to efficiently activate T lymphocytes against viruses and tumors. Dendritic cells are immune cells that detect threats and activate the body's defenses, acting as sentinels that instruct T lymphocytes on what to attack.",
  "title": "Mitochondria may control immune cell activation and the effectiveness of immunotherapy"
}