The Control Layer

The Control Layer

Gene-Edited Cells Offer New Hope for Type 1 Diabetes

For the first time, donor insulin-making cells survived and worked in a person with type 1 diabetes without anti-rejection drugs—a landmark step toward a functional cure.

Amer Altaf's avatar
Amer Altaf
Nov 03, 2025
∙ Paid
Gene-edited insulin-producing cells transplanted into a forearm muscle.

Why it matters

A Swedish man with long-term type 1 diabetes is now making his own insulin after receiving donor cells that were gene-edited to hide from his immune system.

He needed no anti-rejection d…

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