TABLE 1.

Expression of GFP in transfected cells of the epidermis of the skin and the mucosal epithelium^a

Tissue	Time (h) after plasmid delivery	Level of GFP expression	No. of transfected cells	Location of transfected cells	Shape of transfected cells
Hip skin epidermis	6	(+)	0–2	Middle	ND
	24	++	3–15	Superficial	Squamous
Mucosal epithelium	6	+++	7–40	Low middle	Cuboid
	24	++	ND	Superficial	ND

^a+++, very strong; ++, strong; (+), weak; ND, not determined.