T-cells attaching insulin producing pancreatic beta cells.
Cells are stained for insulin (green) and the killer T-cell marker CD8 (red). The nuclei are stained blue.
Image: Susan Wong and Maja Wallberg
Different steps in the autoimmune pathogenesis
In Type 1 diabetes, the immune system attacks insulin-making beta cells (highlighted) in the pancreas. Image courtesy of Yuval Dor/Hebrew University-Hadassah Medical School.