Expression of heme oxygenase-1 (HO-1) in the arterial limb of the AVF. Western analysis of HO-1 protein expression (A), HO-1 mRNA expression by real-time RT-PCR (B), and standardized densitometric analysis of HO-1 protein expression (C) in the arterial limb of the murine AVF and the contralateral (control) carotid artery 1 wk after AVF creation. For real-time RT-PCR analysis, n = 9 in each group. For densitometric analysis, n = 6 and n = 8 in control and AVF groups, respectively. *P < 0.05 vs. control.