Simultaneous determination of androstenediol 3-sulfate and dehydroepiandrosterone sulfate in human serum using isotope diluted liquid chromatography-electrospray ionization-mass spectrometry . Mitamura K, Nagaoka Y, Shimada K, Honma S, Namiki M, Koh E, Mizokami A . J Chromatogr B ( 2003 ) 796 121...
(Adiol-3S;foursamples,notdetectable)and0.110–2.421 g/ml(DHEA-S).©2003ElsevierB.V.Allrightsreserved.Keywords:Androstenediol3-sulfate;Dehydroepiandrosteronesulfate∗Correspondingauthor.Tel.:+81-76-234-4461;fax:+81-76-234-4459.E-mailaddress:mitamura@p.kanazawa-u.ac.jp(K.Mitamura).1....
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The isolation and identification of 16-ketoandrostenediol (3β,17β-dihydroxyandrost-5-en-16-one) in the urine of an endocrinologically normal newborn infant is described. The steroid was in the fraction released by ethyl acetate solvolysis and thus was probably excreted as a steroid sulfate. ...
Half of the daily ET production is ascribed to the testis, while 95% of T sulfate and roughly 70% of ET sulfate are also of testicular origin. Significant correlations between ET and 5AD3 beta 17 alpha are an indication that the 5-ene pathway is also operative for ET biosynthesis. High...
Epitestosterone has been demonstrated to act at various levels as a weak antiandrogen. So far, its serum levels have been followed up only in males. Epitestosterone and its major circulating precursor pregnenolone sulfate and T were measured in serum from 211 healthy women and 386 men to find...