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四氢生物蝶呤与血管内皮功能异常 被引量:7

Tetrahydrobiopterin and endothelial dysfunction
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摘要 血管内皮功能异常突出表现为内皮依赖性血管舒张功能障碍 ,主要由NO减少及氧自由基增加所致。四氢生物蝶呤 (tetrahydrobiopterin ,BH4 )是NO合酶 (NOS)的必要辅助因子 ,影响NO和氧自由基生成。BH4充足时 ,NOS催化底物L 精氨酸和O2 生成L 胍氨酸和NO ;BH4缺乏时 ,NOS则发生脱偶联 (uncoupling) ,主要催化超氧阴离子产生。BH4缺乏是高血压、糖尿病、动脉粥样硬化等疾病中内皮功能异常的重要原因 ,用BH4替代治疗提高内皮细胞内BH4水平可有效改善内皮功能 。
出处 《生理科学进展》 CAS CSCD 北大核心 2004年第2期155-158,共4页 Progress in Physiological Sciences
基金 美国国家卫生研究院 (NIH)基金 (1P0 1 HL70 6 87 0 1) 美国心脏学会 (AHA)基金 (980 6 347X 0 130 5 37Z 0 2 2 5 4 0 8Z和 0 4 2 0 0 6 2Z) 美国糖尿病学会基金 (7 0 1 RA 10 ) 国际少年糖尿病基金会创新基金 (# 5 2 0 0 1 311) 密歇根州生命科学走廊基金
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同被引文献61

  • 1张文,朱伟,徐海红,万芳利,顾静,韩金根,金利通.四氢生物蝶呤对大鼠纹状体中单胺类神经递质影响的液相色谱-电化学检测研究[J].中国科学(B辑),2005,35(2):151-158. 被引量:2
  • 2邢邯英,凌亦凌,孟爱宏,赵晓云,黄新莉.褪黑素改善内毒素血症大鼠血管反应性[J].生理学报,2005,57(3):367-372. 被引量:22
  • 3叶殿秀,杨贤为,吴桂贤.北京地区冠心病发病率的气象评估模型[J].气象科技,2005,33(6):565-569. 被引量:18
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  • 10Petnehazy T,Stokes KY,Russell JM,et al.Angiotensin Ⅱ type-1 receptor antagonism attenuates the inflammatory and thrombogenic responses to hypercholesterolemia in venules[J].Hypertension,2005,45(2):209-215.

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