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Expression of bFGF (A), ICAM-1(B), VCAM-1(C) and IL-6 (D) 48 h after external radiation. Protein levels in pg per 1 × 103 cells in supernatant of ASC, HDMEC and the co-culture of HDMEC/ASC determined by ELISA. Error bars represent standard deviation (n = 4). Statistical significance was set at p < .05 (*). P values < .01 (**) and p values < .001 (***) were indicated respectively.
