Ultra performance liquid chromatography-tandem mass spectrometry method for profiling of steroid metabolome in human tissue

Nilesh W. Gaikwad

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

In humans, steroids play a broad and vital role in regulation of gene expression, secondary sexual characteristics, maturation, reproduction, cardiovascular health, neurological functions, etc., but imbalance in steroid metabolism is also linked to development and progression of many diseases, such as cancer, neurodegenerative diseases, and cardiovascular diseases. Hence, measurement of steroids in biological samples is essential to monitor human health. Currently, there is radioimmunoassay, gas chromatography-mass spectrometry (GC/MS), and liquid chromatography-mass spectrometry (LC-MS) methods developed for steroid measurements in biological samples. However, these methods require elaborate sample preparation procedures and have concerns(s) related to reproducibility, dynamic range, time, costs, and most importantly the total coverage of steroids. Also currently, there is no method available for comprehensive steroid profiling in a single LC-MS run that includes androgens, corticosteroids, progestogens, estrogens, estrogen metabolites, estrogen conjugates, and estrogen-DNA adducts as well as exogenous steroid derivatives. Here, I present a global steroid metabolic profiling method based on liquid-liquid extraction (LLE) followed by ultra performance liquid chromatography (UPLC)-tandem mass spectrometry (MS/MS) for simultaneous measurement of over 100 indigenous as well as exogenous steroids in about 12 min, without derivatization. The method was successfully applied to determine steroid hormone levels in the breast tissue of healthy women. Overall presence of all major classes of steroids as well as estrogen derivatives was detected in breast tissue.

Original languageEnglish (US)
Pages (from-to)4951-4960
Number of pages10
JournalAnalytical Chemistry
Volume85
Issue number10
DOIs
StatePublished - May 21 2013

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Liquid chromatography
Mass spectrometry
Steroids
Tissue
Estrogens
Steroid hormones
Health
Neurodegenerative diseases
Derivatives
DNA Adducts
Liquids
Progestins
Metabolites
Metabolism
Gene expression
Gas chromatography
Androgens
Adrenal Cortex Hormones

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Ultra performance liquid chromatography-tandem mass spectrometry method for profiling of steroid metabolome in human tissue. / Gaikwad, Nilesh W.

In: Analytical Chemistry, Vol. 85, No. 10, 21.05.2013, p. 4951-4960.

Research output: Contribution to journalArticle

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