Simultaneous quantification of individual intermediate steroids in silkworm ecdysone biosynthesis by liquid chromatography-tandem mass spectrometry with multiple reaction monitoring

被引：41

作者：

Hikiba, Juri ^{[1
]}

Ogihara, Mari H. ^{[1
]}

Iga, Masatoshi ^{[1
]}

Saito, Kazuki ^{[1
]}

Fujimoto, Yoshinori ^{[2
]}

Suzuki, Minoru ^{[1
]}

Kataoka, Hiroshi ^{[1
]}

机构：

[1] Univ Tokyo, Grad Sch Frontier Sci, Dept Integrated Biosci, Kashiwa, Chiba 2778562, Japan

[2] Tokyo Inst Technol, Dept Chem & Mat Sci, Tokyo 1528551, Japan

来源：

JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES | 2013年 / 915卷

关键词：

Ecdysteroid biosynthesis; LC-MS/MS; Multiple reaction monitoring (MRM); Silkworm prothoracic glands and hemolymph; Simultaneous quantification; BOMBYX-MORI; MOLTING HORMONE; P450; ENZYME; ECDYSTEROIDS; HEMOLYMPH; TITER;

D O I：

10.1016/j.jchromb.2012.12.014

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

The concentration changes of endogenous ecdysteroids are closely related to the regulation of insect growth and development. Although they are frequently measured by immunoassays with anti-steroid antibodies, the separate estimations of the individual concentrations of ecdysone and other ecdysteroids with similar chemical structures are quite difficult to accomplish. In this study, an efficient method for the simultaneous, individual quantification of intermediate steroids in ecdysone biosynthesis was developed, using LC-MS/MS. By employing multiple reaction monitoring (MRM) in the MS detection, the selectivity and sensitivity of the method were greatly enhanced, allowing the estimation of trace amounts of steroids in biological samples from silkworm prothoracic glands and hemolymph. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：52 / 56

页数：5

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