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. Author manuscript; available in PMC: 2013 Dec 2.
Published in final edited form as: Exp Lung Res. 2009 Mar;35(2):10.1080/01902140802446832. doi: 10.1080/01902140802446832

TABLE 2.

Relative Intensity and Cellular Sites of eNOS and nNOS Expression in Bronchioles and Parenchyma of Uninjured Sheep

NOS isoform Broncheoles
Parenchyma
CC SC BC T1 T2 IMØ AM CEndo
eNOS + ++ ++ + + + – ++
nNOS – – – + – + – –

Note. Intensity of immunostaining (– = absent, + = light, ++ = moderate, + + + = strong) in Epith = epithelium, Endo = endothelial cells, T1 = type I cells, T2 = type II cells, IMØ = interstitial macrophages, AMØ = alveolar macrophages, and CEndo = septal capillary endothelial cells. Similar results were obtained in injured sheep lung for these constitutive NOS enzymes.