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肺源性心脏病患者血浆纤溶酶原激活物抑制物-1的实验研究 被引量:3

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摘要 目的:探讨血浆纤溶酶原激活物抑制物-1(PAI-1)与肺源性心脏病(肺心病)的关系。方法:发色底物法测定PAI-1活性:将待测血浆样品稀释4倍加入96孔酶标板中,与PAI-1标准液一样:100μl/孔,并以100μlTB缓冲液作对照。将纤溶酶原和发色底物分别溶于2mlTB缓冲液,混合两者,另取0.1mlTB缓冲液加速剂,并同纤溶酶原-发色底物混合,混匀后37℃预热2分钟,立即加100μl至各孔中。取一有盖盒子,底部放两层纱布,加少许蒸馏水,37℃保温30分钟。将已加入各种反应物的酶标板加盖后,置于盒中,37℃保温3小时。在酶仪上测定各孔A405,以对照孔调节零点,以A405对PAI-1标准品活性作标准曲线,待测样品PAI-1活性二标准曲线上查得数值×稀释倍数(U/ml)。结果:126例患者的血浆PAI-1活性显著高于其他疾病患者和正常人群(P<0.01)。结论:肺心病患者血浆纤溶酶原激活物抑制物-1活性增高是肺心病的危险因素之一。
作者 金振钟
出处 《国外医学(心血管疾病分册)》 1998年第6期350-351,共2页
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  • 1[1]Gracha S,Estelles A,Tormo G,et al. Plasminogen activator inhibitor-1(PAI-1) promoter, 4G/5G genotype and increased PAI-1 circulating levels in postmenpausal women with coronary artery disease[J].Throm Haemost,1999,81:516.
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  • 4Ridker PM, Hennekens CH, Lindpaintner K, et al. Arterial and thrombosis is not associated with the 4G/SG polymorphism in the promoter of the plasminogen activator inhibitor gene in a large cohort of US men. Circulation, 1997,95-59.
  • 5Reilly CF, Fujita T, Mayer EJ, et al. Both circulating and clotbound plasminogen activator inhibitor-1 (PAl-1) inhibited endogenous fibrinolysis in the rat . Arteriosclar thromb, 1991,11:1276.
  • 6Bonnardeaux A, Daries E, Jeuunemartine X, et al. Angiotensin Ⅱ type 1 receptor gene polymorphism in humam essential hypertension[J]. Hypertension, 1994,1:63.
  • 7Grancha S, Estelles A, Tormo G, et al. Plasminogen activator inhibitor-1 ( PAI-1 ) promotor 4G/SG genotype and increased PAI-1 circulating levels in postmenpausal women with coronary artery disease[J]. Thromb Haemost, 1999,81 : 516-521.
  • 8王虹,张京岚.慢性肺心病急性期血栓前状态相关指标的临床观测[J].中国实用内科杂志,1999,19(5):286-288. 被引量:144
  • 9富路,孔一慧,李佳,金红.纤溶酶原激活剂抑制物-1基因启动子区4G/5G多态性与血栓性疾病的[J].中华心血管病杂志,2001,29(3):144-147. 被引量:12

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