Hov G Garmo, Sagen E, Bigonah A, Asberg A
Department of Medical Biochemistry, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway.
Scand J Clin Lab Invest. 2007;67(8):868-76. doi: 10.1080/00365510701429836.
Asymmetric dimethylarginine (ADMA) is an endogenous inhibitor of nitric oxide production. It has been implicated in various pathological processes, especially processes involving the cardiovascular system. Plasma concentration of ADMA (p-ADMA) has been measured in several studies with different techniques, and a wide range of normal values has been published. With use of high performance liquid chromatography (HPLC) with fluorescence detection, we have established health-associated reference values for p-ADMA, p-arginine, p-SDMA and the p-arginine/p-ADMA and p-arginine/p-SDMA ratios.
Blood samples were taken from 238 blood donors (112 F and 126 M). HPLC was used to analyse arginine, ADMA and SDMA. Reference values are presented as 2.5 and 97.5 percentiles estimated by the bootstrap method.
The reference interval for p-ADMA is 0.40-0.77 micromol/L for the whole population, 0.41-0.79 micromol/L for men, 0.38-0.73 micromol/L for women 45 years or less, and 0.41-0.84 micromol/L for women >45 years.
Age affects p-ADMA in healthy women, but not in men.
不对称二甲基精氨酸(ADMA)是一氧化氮生成的内源性抑制剂。它与多种病理过程有关,尤其是涉及心血管系统的过程。在多项研究中已采用不同技术测量了血浆ADMA浓度(p-ADMA),并且已公布了广泛的正常参考值范围。通过使用带荧光检测的高效液相色谱法(HPLC),我们建立了与健康相关的p-ADMA、p-精氨酸、p-SDMA以及p-精氨酸/p-ADMA和p-精氨酸/p-SDMA比值的参考值。
从238名献血者(112名女性和126名男性)采集血样。使用HPLC分析精氨酸、ADMA和SDMA。参考值以通过自助法估计的第2.5和第97.5百分位数表示。
p-ADMA的参考区间在总体人群中为0.40 - 0.77微摩尔/升,男性为0.41 - 0.79微摩尔/升,45岁及以下女性为0.38 - 0.73微摩尔/升,45岁以上女性为0.41 - 0.84微摩尔/升。
年龄对健康女性的p-ADMA有影响,但对男性没有影响。