GLP1R and Hyperglycemia: EtOH+OA group shows a higher β-cell ratio than EtOH (Figs. 3D and 4D), and a greater α-cell ratio than OA (Figs. 4F and 4G), at the same time, the GLP-1R positive cell number is significantly bigger than the hyperglycemia group (Figs. 5B and 5D).