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学科主题: 临床医学
题名:
Imbalance of endogenous homocysteine and hydrogen sulfide metabolic pathway in essential hypertensive children
作者: Chen Li; Ingrid, Sumou; Ding Ya-guang; Liu Ying; Qi Jian-guang; Tang Chao-shu; Du Jun-bao
关键词: homocysteine ; hydrogen sulfide ; hypertension ; systolic blood pressure
刊名: CHINESE MEDICAL JOURNAL
发表日期: 2007-03-05
卷: 120, 期:5, 页:389-393
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Medicine, General & Internal
研究领域[WOS]: General & Internal Medicine
关键词[WOS]: RATS ; PATHOGENESIS ; ADOLESCENTS
英文摘要:

Background Hypertension is a common disease of the cardiovascular system. So far, the pathogenesis of primary hypertension remains unclear. The elaboration of its pathogenesis is an important topic in the field which calls for urgent resolution. The aim of this study was to probe into the metabolic imbalance of homocysteine (Hcy) and hydrogen sulfide (H2S) in children with essential hypertension, and its significance in the pathogenesis of essential hypertension.

Methods Twenty-five children with essential hypertension and 30 healthy children with normal blood pressure were enrolled in the study. The medical history was investigated and a physical examination was conducted on the subjects. Plasma Hcy content was examined by fluorescence polarization immuncassay (FPIA). The plasma H2S level was detected by a modified method with a sulfide electrode. Data were presented as mean +/- standard deviation. The t test was applied to the mean values of both groups. Pearson linear correlation analysis was applied to the plasma Hcy and H2S as well as to the systolic pressure against the plasma H2S/Hcy ratio.

Results Plasma Hcy, an intermittent metabolite of the endogenous methionine pathway, was markedly increased but plasma H2S, a final product of this pathway was significantly decreased in hypertensive cases when compared with normal subjects ((Hcy: (12.68 +/- 9.69) mu mol/L vs (6.62 +/- 4.79) mu mol/L (t=2.996, P < 0.01); H2S: (51.93 +/- 6.01) mu mol/L vs (65.70 +/- 5.50) mu mol/L) (t=-8.670, P < 0.01)). The ratio of plasma H2S/Hcy in children with hypertension was 5.83 +/- 2.91, while that of the control group was 11.60 +/- 3.30, and the difference is significant with a t=-6.610 and P < 0.01. A negative correlation existed between plasma Hcy and H2S concentrations, r=-0.379, P < 0.05. And a negative correlation was found between systolic blood pressure and the plasma H2S/Hcy ratio, r=-0.687, P < 0.05.

Conclusion There was a metabolic imbalance of homocysteine and hydrogen sulfide in essential hypertensive children.

语种: 英语
WOS记录号: WOS:000245020000008
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/64448
Appears in Collections:北京大学第一临床医学院_儿科_期刊论文

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作者单位: 1.Minist Educ, Key Lab Mol Cardiovasc Dis, Beijing 100034, Peoples R China
2.Peking Univ, Hosp 1, Dept Pediat, Beijing 100034, Peoples R China
3.Peking Univ, Hosp 1, Inst Cardiovasc Dis, Beijing 100034, Peoples R China

Recommended Citation:
Chen Li,Ingrid, Sumou,Ding Ya-guang,et al. Imbalance of endogenous homocysteine and hydrogen sulfide metabolic pathway in essential hypertensive children[J]. CHINESE MEDICAL JOURNAL,2007,120(5):389-393.
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