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Measurement of cortisol secretion rate by stable isotope methodology following oral administration of 13C-labeled cortisol to a human subject.

Abstract：

:Plasma concentration measurements of 13C-labeled cortisol ([1,2,4,19-13C(4)]cortisol, cortisol-13C(4)) and its metabolite cortisone-13C(4) were made simultaneously with measurements of endogenous cortisol and cortisone by gas chromatography-mass spectrometry (GC-MS). After administering a small amount (3mg) of cortisol-13C(4) to a human subject, changes in cortisol secretion rates were estimated by deconvolution techniques from the measured plasma cortisol and cortisone levels and the rates of elimination and interconversion of cortisol and cortisone were obtained from the plasma concentration-time data of cortisol-13C(4) and cortisone-13C(4). The objective of this study was to look for a novel approach to quantitate rates of minute-to-minute cortisol secretion in man by taking into account the interconversion of cortisol and cortisone by 11beta-hydroxysteroid dehydrogenase (11beta-HSD).

journal_name

Steroids

journal_title

Steroids

authors

Kasuya Y,Yokokawa A,Shibasaki H,Furuta T

doi

10.1016/s0039-128x(02)00037-5

subject

Has Abstract

pub_date

2002-08-01 00:00:00

pages

783-8

issue

9

eissn

0039-128X

issn

1878-5867

pii

S0039128X02000375

journal_volume

67

pub_type

杂志文章

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