Macrophage infiltration into the heart was examined by immunofluorescent microscopy for macrophage marker CD68.

<p>Representative images taken from each group showing the presence of CD68 as red fluorescent (A). Quantification of the number of macrophages in defined area (B). No difference was observed between the VEH and STZ heart at 24 hr of reperfusion. n = 5 and * indicates that p<0.05 compared to sham of the same treatment group.