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  "path": "/news/2026-05-key-protein-immune-cell-exhaustion.html",
  "publishedAt": "2026-05-19T16:40:02.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "CAR T-cell therapy is considered a milestone in personalized cancer treatment. In this approach, a patient's own immune cells are genetically modified to recognize and destroy tumor cells. While it has already shown impressive success in certain blood cancers, its effectiveness against solid tumors has so far been limited.",
  "title": "Study identifies key protein in immune cell exhaustion in cancer immunotherapy"
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