降钙素原在新生儿感染性疾病早期诊断中的应用.doc
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1、降钙素原在新生儿感染性疾病早期诊断中的应用降钙素原在新生儿感染性疾病早期诊断中的应用作者:朱玲玲,舒桂华,严语,徐翔【关键词】 降钙素原 Abstract:Objective To establish a model of hypoxemic pulmonary hypertensive mouse and to explore the expression of connective tissue growth factor(CTGF)in the pulmonary arteriole from pulmonary hypertensive mouse.Methods The model
2、of hypoxemic pulmonary hypertensive mouse was constructed by a method of interval ordinary pressure hypoxia.Right cardia catheterization was employed for mPAP detection,and RV.(LV+S)was determined by weight.Lung tissue section staining and image processing were performed to detect the morphologic ch
3、ange of pulmonary arteriole.CTGF levels in the pulmonary arteriole were determined by immunohistochemistry,and the concentration was measured by image pattern analysis and semi-quantitative technique.Results Three weeks later,the results of mPAP,RV.(LV+S),and the levels of WT%and WA%indicating the p
4、roliferation of vessel wall in the group of hypoxemic group were higher than those in normal group(P0.01).There was no expression of CTGF protein in the pulmonary arteriole of the normal group,whereas,it was highly expressed in the tunica adventitia,slightly expressed in the endangium and rarely exp
5、ressed in the tunica media of pulmonary arteriole in the hypoxemic group.Conclusion Method of interval ordinary pressure hypoxia can successfully construct hypoxemic pulmo-nary hypertensive mouse model.CTGF may play an important role in hypoxia pulmonary vascular remodeling. Key words:hypoxia;pulmon
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- 关 键 词:
- 降钙素 新生儿 感染性 疾病 早期 诊断 中的 应用
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