by Eva Frederick, Whitehead Institute for Biomedical Research Confocal micrograph from immunofluorescence staining of human pluripotent stem cells differentiated beta-like cells in 3D organoid culture with an anti-C-peptide antibody (red) and an anti-PDX1 antibody (green). DAPI was used to stain nuclei. Credit: Haiting Ma/Whitehead Institute Type 1 diabetes is an autoimmune disease that occurs when T-cells in...