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采用毛细管气相色谱法测定正常人和癌症患者尿液中的多胺。

Determination of polyamines in urine of normal human and cancer patients by capillary gas chromatography.

作者信息

Jiang X C

机构信息

Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing, China.

出版信息

Biomed Chromatogr. 1990 Mar;4(2):73-7. doi: 10.1002/bmc.1130040208.

Abstract

A capillary gas chromatographic method is described for the determination of polyamines (putrescine, spermidine and spermine) in the urine of normal human and cancer patients. Morning urine after acid hydrolysis is cleaned up on a silica gel column and derivatized with trifluoroacetic-anhydride. Creatinine in human urine is used as internal standard. Recoveries of polyamines are 96.7% putrescine, 102.6% spermidine (Spd), and 98.7% spermine. SD of the method for Spd is 1.949 +/- 0.041 (micrograms/mg creatinine, mean +/- SD, n = 5). The results show that the mean level of polyamines in cancer patients urine is much higher than that in normal human urine. The mean of total polyamines in the normal human and the cancer patients is 2.01 and 44.74, respectively (g/mg creatinine).

摘要

描述了一种毛细管气相色谱法,用于测定正常人和癌症患者尿液中的多胺(腐胺、亚精胺和精胺)。酸水解后的晨尿在硅胶柱上进行净化,并用三氟乙酸酐进行衍生化。人尿中的肌酐用作内标。多胺的回收率分别为:腐胺96.7%、亚精胺(Spd)102.6%、精胺98.7%。该方法测定亚精胺的标准差为1.949±0.041(微克/毫克肌酐,平均值±标准差,n = 5)。结果表明,癌症患者尿液中多胺的平均水平远高于正常人尿液中的水平。正常人和癌症患者总多胺的平均值分别为2.01和44.74(克/毫克肌酐)。

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