首页 | 本学科首页   官方微博 | 高级检索  
     

间歇低氧对大鼠血管内皮细胞生长因子表达的影响
引用本文:张伟三,张蔷,王琳,徐晏,张蕴. 间歇低氧对大鼠血管内皮细胞生长因子表达的影响[J]. 西南科技大学学报(哲学社会科学版), 2009, 7(2): 60-61
作者姓名:张伟三  张蔷  王琳  徐晏  张蕴
作者单位:天津医科大学总医院,老年医学研究室,300052  
基金项目:天津医科大学科研基金 
摘    要:目的观察慢性间歇低氧对大鼠血管内皮细胞生长因子(VEGF)表达的影响。方法72只雄性Wistar大鼠随机均分为间歇低氧组(IH组)、实验对照组(SC组)和空白对照组(UC组)。IH组大鼠循环给予充入氮气和压缩空气(每一次循环60秒,使舱内最低氧浓度达4%~6%,然后恢复至21%,8h/d);向SC组舱内循环充入压缩空气,UC组不予任何干预。应用免疫组化法(ELASA)检测各组大鼠分别在3,6,9周末血清VEGF的表达水平。结果IH组大鼠3、6、9周VEGF表达均增加,并且随间歇低氧时间的延长而VEGF水平逐渐升高,从第3周[(193.16±102.13)pg/ml]开始高于SC组[(154.08±89.79)pg/ml]和UC组[(118.13±64.26)pg/ml]水平(P〈0.05,P〈0.01),第9周末IH组[(256.15±113.58)pg/ml]显著高于SC组[(154.36±90.32)pg/ml](P〈0.01),两组均明显高于UC组(P〈0.05),IH组大鼠VEGF水平与间歇低氧时间呈正相关(P〈0.05)。结论慢性间歇低氧可以诱导大鼠VEGF表达增强,血清VEGF表达增强与血管内皮功能受损有关,提示VEGF对慢性间歇低氧有内皮保护作用。

关 键 词:血管内皮细胞生长因子  间歇低氧呼吸睡眠暂停  大鼠

Effects of intermittent hypoxia on the expression of VEGF in rats
ZHANG Weisan,ZHANG Qiang,WANG Lin,XU Yan,ZHANG Yun. Effects of intermittent hypoxia on the expression of VEGF in rats[J]. Journal of Southwest University of Science and Technology, 2009, 7(2): 60-61
Authors:ZHANG Weisan  ZHANG Qiang  WANG Lin  XU Yan  ZHANG Yun
Affiliation:ZHANG Weisan,ZHANG Qiang,WANG Lin,XU Yan,ZHANG Yun.Department of Geriatrics,General Hospital of Tianjin Medical University,Tianjin 300052,China.
Abstract:Objective To observe the expression of vascular endothelial growth factor(VEGF) induced by chronic in-termittent hypoxia(CIH) in rats.Methods Seventy-two male Wistar rats were divided into three groups:intermittent hy-poxia group(IH),sham control group(SC),and unhandled control group(UC).Infusion of nitrogen for 30 seconds was fol-lowed by infusion of compressed air for 30 seconds into the exposure chambers.When ambient oxygen concenyration reached the nadir of 4%-6%,it was retunred to 21%.IH rats were subj...
Keywords:Vascular endothelial growth factor  Intermittent hypoxia  Sleep apnea  Rats  
本文献已被 CNKI 维普 万方数据 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号