A new dawn for androgens: Novel lessons from 11-oxygenated C19 steroids
نویسندگان
چکیده
منابع مشابه
A new dawn for androgens: Novel lessons from 11-oxygenated C19 steroids.
The abundant adrenal C19 steroid 11β-hydroxyandrostenedione (11OHA4) has been written off as a dead-end product of adrenal steroidogenesis. However, recent evidence has demonstrated that 11OHA4 is the precursor to the potent androgenic 11-oxygenated steroids, 11-ketotestosterone and 11-ketodihydrotestosterone, that bind and activate the human androgen receptor similarly to testosterone and DHT....
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Context Androgen excess is a defining feature of polycystic ovary syndrome (PCOS), but the exact origin of hyperandrogenemia remains a matter of debate. Recent studies have highlighted the importance of the 11-oxygenated C19 steroid pathway to androgen metabolism in humans. In this study, we analyzed the contribution of 11-oxygenated androgens to androgen excess in women with PCOS. Methods On...
متن کاملA new dawn for androgens
The abundant adrenal C19 steroid 11β-hydroxyandrostenedione (11OHA4) has been written off as a dead-end product of adrenal steroidogenesis. However, recent evidence has demonstrated that 11OHA4 is the precursor to the potent androgenic 11-oxygenated steroids, 11-ketotestosterone and 11-ketodihydrotestosterone, that bind and activate the human androgen receptor similarly to testosterone and DHT....
متن کاملPaper chromatography of C19 steroids.
The successful use of paper chromatography for t.he separation of corticoids (2) suggested the general usefulness of this procedure for relat,ed compounds. Two procedures for t.he separation of cardiac glycosides and aglycones have been described (3, 1). Preliminary reports (5, G) and a reference (7) have been made on methods for other steroid hormones. This paper describes an effective system ...
متن کاملNew 19-Oxygenated Steroids from the Soft Coral Nephthea chabrolii
In order to search for novel bioactive substances from marine organisms, we investigated the acetone extract of the soft coral Nephthea chabrolii collected at San-Hsian-Tai, Taitong County, Taiwan. From this extract three new 19-oxygenated steroids, nebrosteroids N-P (1-3) were isolated. The structures of these compounds were elucidated by extensive spectroscopic analyses.
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ژورنال
عنوان ژورنال: Molecular and Cellular Endocrinology
سال: 2017
ISSN: 0303-7207
DOI: 10.1016/j.mce.2016.08.014