Table 1

Nitric oxide synthase (NOS) immunoreactivity and enzymatic activity in five bladder carcinoma cell lines

	UM-UC-3	EJ28	T24	HT-1197	HT-1376
Endothelial NOS	++	++	++	++	+
Inducible NOS	+/++	+/−	+	+/−	+
NADPH diaphorase	+	+++	++	++	++/+++