Role of endogenous nitric oxide in apoptosis of alveolar epithelial cells in the development of pulmonary fibrosis in rats / 中国病理生理杂志
Chinese Journal of Pathophysiology
;
(12)2000.
Article
Dans Chinois
| WPRIM
| ID: wpr-523804
ABSTRACT
AIM:
To study the role of high level of endogenous nitric oxide (NO) in apoptosis of alveolar epithelial cells in the development of pulmonary fibrosis in rats.METHODS:
The content of nitrite/nitrate (NO 2-/NO 3-) in out-flowing pulmonary blood (OPB) was assayed by nitric acid reduction method. The apoptosis of alveolar epithelial cells was observed by TdT-mediated dUTP nick-end labeling (TUNEL) and electron microscopy, respectively. The above indices were observed on the day 14 and the day 30 after intratracheal administration of BLMA 5 alone or along with blockade of iNOS by aminoguanidine (AG) in rats.RESULTS:
(1) Both the content of NO 2-/NO 3- in OPB and the number of apoptotic alveolar epithelial cells in lung were increased in BLMA 5 14 d group, compared with normal control group and BLMA 5 30 d group, respectively (P
Texte intégral:
Disponible
Indice:
WPRIM (Pacifique occidental)
langue:
Chinois
Texte intégral:
Chinese Journal of Pathophysiology
Année:
2000
Type:
Article
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