Figure 19. Tracheal mucosa sections (H&E) from mice exposed to Ad5-CMV- 
lacZ 3 days (Panel B), 7 days (Panel D) and 14 days (Panel C) prior to tracheal 
excision as compared to control (Panel A). (400X magnification). 
IV.B.l.b. Studies on non-human primates 
Experiments were performed in three Rhesus monkeys (Macaca mulatto) to 
further assess the feasibility and safety of gene therapy using El deleted 
Recombinant DNA Research, Volume 17 
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