β-cell dedifferentiation has emerged as a contributing mechanism in type 1 and type 2 diabetes development. Here Sachs et al. show that a pharmacological treatment that combines insulin and a GLP-1–oestrogen conjugate reverses dedifferentiation, and improves β-cell function and hyperglycaemia in diabetic mice.
- Stephan Sachs
- Aimée Bastidas-Ponce
- Heiko Lickert