Imagine taking a teaspoon of blood or a small skin sample—and turning those cells back in time. In this short animated explainer, Gladstone President Deepak Srivastava, MD, walks through the groundbreaking science of cellular reprogramming, where just four proteins can transform adult cells into induced pluripotent stem (iPS) cells which are capable of becoming any cell type in the body.

These reprogrammed cells not only hold the potential to repair damaged tissues and treat disease, but also allow scientists to study genetic conditions in a dish—uncovering why cells malfunction and how new or existing drugs might fix them.

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