Fig. 1

INS expression in the three datasets. Histograms and violin plots are used to show the INS expression levels in β-cells of dataset 1 (a), dataset 2 (b) and dataset 3 (c). H stands for healthy. Healthy and T2D samples are colored in light yellow and pink, respectively. A dashed line in the violin plots indicates the median value of each group. p-value was calculated by using Student’s t-test