COL1A2 and type 1 diabetes mellitus: In the GSE148073 dataset (T1D), only COL1A2 and VCAN are highly expressed in PSCs (stellates, 2163 cells, Figure 7D), and none of these 3 genes nor the COL1A2/VCAN/SULF1 gene panel is highly expressed in stellate cells derived from T1D samples (Figure 7E).