Microneedles Integrated with Pancreatic Cells and Synthetic Glucose‐Signal Amplifiers for Smart Insulin Delivery

An innovative microneedle (MN)-based cell therapy is developed for glucose-responsive regulation of the insulin secretion from exogenous pancreatic β-cells without implantation. One MN patch can quickly reduce the blood-sugar levels (BGLs) of chemically induced type-1 diabetic mice and stabilize BGLs at a reduced level for over 10 h.

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