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鉴定中链酰基辅酶A脱氢酶缺乏症患者尿液中存在的新型中链酰基肉碱。

Identification of new medium-chain acylcarnitines present in urine of a patient with medium-chain acyl-CoA dehydrogenase deficiency.

作者信息

Libert R, Van Hoof F, Thillaye M, Vincent M F, Nassogne M C, Stroobant V, de Hoffmann E, Schanck A

机构信息

Département de Biologie Clinique, Cliniques Universitaires St Luc, Brussels, Belgium.

出版信息

J Inherit Metab Dis. 1999 Feb;22(1):9-18. doi: 10.1023/a:1005482828392.

DOI:10.1023/a:1005482828392
PMID:10070613
Abstract

Previously undescribed medium-chain acylcarnitines were identified in a urine sample from a patient with medium-chain acyl-CoA dehydrogenase deficiency. These are the 4-methylvaleryl, 4- and 5-methylhexanoyl, 6-methylheptanoyl-, 6-methyloctanoyl-, 4,5-dimethylhexanoyl- and 4,7-decadienoylcarnitines. Their chemical structures were obtained by gas chromatographymass spectrometry analysis of their fatty acid moieties as picolinyl esters.

摘要

在一名患有中链酰基辅酶A脱氢酶缺乏症患者的尿液样本中,鉴定出了此前未描述过的中链酰基肉碱。这些是4-甲基戊酰基、4-和5-甲基己酰基、6-甲基庚酰基、6-甲基辛酰基、4,5-二甲基己酰基和4,7-癸二烯酰基肉碱。通过对其脂肪酸部分作为吡啶基酯进行气相色谱-质谱分析,获得了它们的化学结构。

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本文引用的文献

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Identification of new medium-chain acylcarnitines present in normal human urine.正常人尿液中新型中链酰基肉碱的鉴定。
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Identification and quantification of intermediates of unsaturated fatty acid metabolism in plasma of patients with fatty acid oxidation disorders.脂肪酸氧化障碍患者血浆中不饱和脂肪酸代谢中间体的鉴定与定量分析。
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Octanoylglucuronide excretion in patients with a defective oxidation of medium-chain fatty acids.
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Mass spectra of the picolinyl esters of isomeric mono- and dienoic fatty acids.异构单烯和二烯脂肪酸的吡啶酯的质谱图。
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Medium-chain acyl-CoA dehydrogenase deficiency. Diagnosis by stable-isotope dilution measurement of urinary n-hexanoylglycine and 3-phenylpropionylglycine.
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Simple and unambiguous method for identifying urinary acylcarnitines using gas chromatography--mass spectrometry.使用气相色谱-质谱联用技术鉴定尿酰基肉碱的简单明了的方法。
Analyst. 1990 May;115(5):511-6. doi: 10.1039/an9901500511.
7
The detection of abnormal metabolites in MCAD deficiency: a new method.中链酰基辅酶A脱氢酶缺乏症中异常代谢物的检测:一种新方法。
J Inherit Metab Dis. 1990;13(3):315-20. doi: 10.1007/BF01799384.