Fig. 6From: Radio-protective effect and mechanism of 4-Acetamido-2,2,6,6- tetramethylpiperidin-1-oxyl in HUVEC cellsThe effect of AA-Tempol on the protein expressions of Bax, Bcl-2, P53 and caspase-3 in HUVEC cells was determine by immunoblotting assay (a, b, c, d) Semi-quantified data for the level of the proteins are shown in the lower panel (e). Data represent mean ± S.D. (n = 6). **P < 0.01 vs. 8 Gy groupBack to article page