Immune restraint through the ages: PD-1 pathway traced to sharks

In 1992, graduate student Yasumasa Ishida discovered PD-1, marking the beginning of a journey that would make this molecule a major target in cancer immunotherapy. Now, Dr. Ishida and colleagues provide a comprehensive overview of the evolution of PD-1 and its interacting molecules. Published in Frontiers in Immunology, this new work underscores the essential nature of the PD-1 system across jawed vertebrates and offers interesting new molecular insights that may guide future immunotherapies.

May 30, 2025 - 16:42
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In 1992, graduate student Yasumasa Ishida discovered PD-1, marking the beginning of a journey that would make this molecule a major target in cancer immunotherapy. Now, Dr. Ishida and colleagues provide a comprehensive overview of the evolution of PD-1 and its interacting molecules. Published in Frontiers in Immunology, this new work underscores the essential nature of the PD-1 system across jawed vertebrates and offers interesting new molecular insights that may guide future immunotherapies.