Fig 1: Bar chart illustrating 14 days of oral standard PIO and P-PPAR? synthetic derivative treatment on aorta tissue levels of E-selectin (A) and ICAM-1 (B) against STZ-induced vascular damage. The data are shown as mean values with standard errors (SEM) at p < 0.05; a significantly different from the normal control group; b significantly differ from the positive control group.