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Comparison of pathological changes of lung tissue in rat pulmonary arterial hypertension model induced by two different doses of monocrotaline / 吉林大学学报(医学版)
Article in Chinese | WPRIM | ID: wpr-595990
Responsible library: WPRO
ABSTRACT
Objective To establish rat models with pulmonary artery hypertension induced by monocrotaline(MCT) and to observe the pathological changes of lung tissue.Methods Seventy male Wistar rats were randomly devided into three groupcontrol group(n=10),50 mg?kg-1 MCT group(n=30),60 mg?kg-1 MCT group(n=30).At two weeks and four weeks after injected intraperitoneally with MCT(injected intraperitoneally with equal normal saline in control group),the right ventricular systolic pressure(RVSP)and right ventricle weight/left ventricle+septum weight [RV/(LV+S)] ratio were measured.Hematoxylin-eosin staining and orcein technique were used to observe the pathological changes of lung tissue and pulmonary arterioles'medial thickness.Results Two weeks or four weeks after MCT administration,RVSP in 50 mg?kg-1 MCT group was higher than that in control group(respectively 36.6 mmHg?5.1 mmHg,39.1 mmHg?7.0 mmHg versus 26.1 mmHg?3.8 mmHg,both P

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Jilin University(Medicine Edition) Year: 2006 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Jilin University(Medicine Edition) Year: 2006 Type: Article