Journal
JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS
Volume 223, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jpba.2022.115139
Keywords
Sex hormone; Bile acid; Rat; Pregnant; Mass spectrometry
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In this study, a LC-MS method was developed to simultaneously measure sex hormones and bile acids in rat plasma, which was validated and applicable for studying these compounds in rat plasma. This method may also be useful for other matrices and species.
Endogenous steroids, including sex hormones and bile acids, are a group of essential compounds with various biological functions. In this study, we developed an LC-MS method that simultaneously measures 14 sex hormones and metabolites (SH) and 32 bile acids (BA) in rat plasma. Multiple innovative approaches were applied to increase the sensitivity and specificity, including optimization of the mobile phases, gradients, and dynamic multiple reaction monitoring (DMRM) transitions. The method was validated and applied on plasma samples from pregnant rats before and 0.5 h after oral glucose tolerance test (OGTT) at gestational days 0.5 and 18.5. Results showed that the method was applicable, and 9 SH and 30 BA were measurable in the samples. In summary, this method is applicable in studies on SH and BA in rat plasma, and may also be used on other matrix and species.
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