Cover: Cellular localization of iNOS and -SMA expression. Cells were treated with IL-1 for 6 h and then immunostained for both iNOS (red fluorescence) and -SMA (green fluorescence) expression. The slides were then successively photographed for both green and red fluorescence. Two representative microscopic fields are shown. Expression of iNOS was seen only on cells not expressing -SMA. Bars represent 30 and 20 µm in upper and lower panels, respectively. For more information, see article by Zhang and colleagues 658.
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