Fig. 3.

Expression of the HO-1 gene in myocardium 1 year after rAAV-mediated gene transfer. Hearts transfected with rAAV/LacZ (a ×400) or rAAV/HO-1 (b ×400), respectively, are shown. Robust expression of HO-1 (b brown stain) was observed in the transfected region of myocardium 1 year after gene transfer (n = 3)