A and B, STIM1 protein (A, n=5 in each group) and mRNA (B, n=6 in each group) levels were measured in ECs treated with NG (open bars) or HG (solid bars) for 48 hours. Data are mean±SEM. *P<0.05 versus NG. C and D, STIM1 protein (A, n=3 in each group) and mRNA (B, n=6 in each group) levels were measured in ECs treated with vehicle (NF, open bars) or HF (solid bars) for 24 hours. Data are mean±SEM. *P<0.05 versus NF.