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  "path": "/news/2026-05-immune-memory-cells-ovarian-cancer.html",
  "publishedAt": "2026-05-26T13:00:05.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "While we tend to quickly forget having been ill or having received a vaccine, the immune system remembers remarkably well. It has memory B cells—\"trained\" immune cells that circulate throughout the body in search of harmful invaders they have encountered previously; these cells can rapidly deploy targeted weapons when faced with a pathogen again. Now, researchers from Prof. Ziv Shulman's laboratory at the Weizmann Institute of Science report that activated memory B cells can also recognize an internal enemy: cancer cells.",
  "title": "Immune memory cells in ovarian cancer produce tumor-targeting antibodies, opening a vaccine path"
}