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侧脑室内注射血管紧张素-(1-7)对大鼠肺动脉压和体动脉压的影响

Effect of intracerebro-ventricular injection of angiotensin-(1-7) on pulmonary arterial pressure and body arterial pressure in rats
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摘要 目的:探讨血管紧张素-(1-7)对大鼠肺动脉压和体动脉压的影响机制。方法:以PAP和BAP为指标,在氨基甲酸乙酯麻醉、三碘季胺酚制动、呼吸机控制呼吸的SD大鼠上观察血管紧张素-(1-7)对大鼠PAP和BAP的影响,连续观察60minPAP和BAP曲线变化,并与对照组和生理盐水组比较。结果:给药后大鼠PAP和BAP明显升高,其中在5、10、15、30、45min与对照组和生理盐水组比较差异显著(P<0.01)。结论:血管紧张素-(1-7)具有中枢性升高肺动脉压和体动脉压的作用,侧脑室预先注射血管紧张素(1-7)特异性阻断剂A-779可部分阻断血管紧张素(1-7)的升压效应。
出处 《中国应用生理学杂志》 CAS CSCD 北大核心 2008年第4期451-452,456,共3页 Chinese Journal of Applied Physiology
基金 十堰市科技局项目(十科发〔2005〕42号)
关键词 血管紧张素-(1-7) 肺动脉压 体动脉压 大鼠 TFG angiotensin-(1-7) pulmonary arterial pressure boby areterial pressure rate
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