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Loading… Share Doctor and immunologist Derya Unutmaz has been interested in artificial intelligence for years. But his “aha” moment came in late 2025, when GPT‑5 Pro helped him and his lab revisit a three-year-old puzzle centered on a special type of immune cell that helps the human body fight cancer and other illnesses. The mystery centered on a basic but consequential question in immunology: how does glucose affect the way T cells develop and specialize? T cells are immune cells that help the body fight viruses, kill cancerous cells, respond to some bacteria and parasites, and distinguish healthy cells from threats. As they develop, they take on different jobs, including roles that can shape cancer, autoimmune disease, and infection. 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