Chimeric tool advanced for wide range of regenerative medicine, biomedical research applications

LA JOLLA—The ability to grow the cells of one species within an organism of a different species offers scientists a powerful tool for research and medicine. It’s an approach that could advance our understanding of early human development, disease onset and progression and aging; provide innovative platforms for drug evaluation; and address the critical need for transplantable organs. Yet developing such capabilities has been a formidable challenge.

Researchers led by Salk Professor Juan Carlos Izpisua Belmonte have now come one step closer toward this goal by demonstrating a new integration of human cells into animal tissue. Published in the journal Cell on April 15, 2021, the new study builds upon previous work by the Izpisua Belmonte lab to take the next step in chimeric organisms—organisms that contain cells from two or more species—to understand a host of…
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