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  "path": "/news/2026-03-cysteine-pathways-cells-tumors.html",
  "publishedAt": "2026-03-31T19:40:05.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "A research team from the Johns Hopkins Kimmel Cancer Center, its Bloomberg~Kimmel Institute for Cancer Immunotherapy and the Johns Hopkins Bloomberg School of Public Health has discovered how the immune system's CD8+ T cells use the nutrient cysteine to control two essential functions that compete for this resource—the immune cell's ability to multiply and its ability to kill cancer cells.",
  "title": "Cysteine pathways help T cells choose between multiplying and attacking tumors"
}