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. 2022:2546:451-457.
doi: 10.1007/978-1-0716-2565-1_40.

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) Method for the Quantification of Steroids Androstenedione, Dehydroepiandrosterone, 11-Deoxycortisol, 17-Hydroxyprogesterone, and Testosterone

Ada Munar  1 , C Clinton Frazee 3rd  1 , Uttam Garg  2
Affiliations

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) Method for the Quantification of Steroids Androstenedione, Dehydroepiandrosterone, 11-Deoxycortisol, 17-Hydroxyprogesterone, and Testosterone

Ada Munar et al. Methods Mol Biol. 2022.

Abstract

Congenital adrenal hyperplasia (CAH) is a group of autosomal-recessive disorders due to deficiency of 11- or 21-hydroxylase. The analysis of cortisol, androstenedione, 17-hydroxyprogesterone (OHPG), dehydroepiandrosterone (DHEA), 11-deoxycortisol, and testosterone is generally performed in the diagnosis and/or follow-up of CAH. Analysis of specific steroids is also performed in other disorders such as evaluation of hirsutism or infertility in females and hypogonadism in males. Cortisol is generally analyzed by immunoassays, whereas other hormones are preferably assayed by liquid chromatography-tandem mass spectrometry (LC-MS/MS). A multiple reaction monitoring, positive mode atmospheric pressure chemical ionization, LC-MS/MS method is described for the simultaneous quantification of androstenedione, 17-hydroxyprogesterone, DHEA, 11-deoxycortisol and testosterone. The method involves addition of labeled internal standards to serum samples and extraction of steroids in methyl tert-butyl ether. The extract is evaporated under stream of nitrogen, and the residue is reconstituted in methanol and analyzed by LC-MS/MS.

Keywords: 11-Deoxycortisol; 17-Hydroxyprogesterone and testosterone; Androstenedione; Dehydroepiandrosterone; Tandem mass spectrometry (LC-MS/MS).

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