Figure 1: Immunohistochemistry staining of insulin in pancreatic islets. (A): Beta-cells were detected by insulin staining in pancreatic islets obtained from the mice after STZ-administered and treated with saline or statin, or AS-IV, or statin and AS-IV. (B): Quantification of insulin positive cells. Data are expressed as mean ± S.E.M. *p < 0.05 versus saline group, **p <0.05 versus other groups (n = 8). Abbreviations: Ctrl, Control; AS-IV, Astragaloside IV.