Type 2 diabetes (T2D) is characterized by pancreatic beta-cell failure. Here, the authors show restoration of Phosphatidylinositol transfer protein alpha (PITPNA), a mediator of PtdIns-4-phosphate synthesis in the trans-Golgi network, in human T2D islets reverses impaired insulin granule maturation, exocytosis, and ER stress.
- Yu-Te Yeh
- Chandan Sona
- Matthew N. Poy