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Related to Androstendione: DHEA, androstenediol


An unsaturated androgenic steroid, C19H26O2, that is secreted by the testis, ovary, and adrenal cortex and is a precursor of both androgens and estrogens. Until 2005, when its nonprescription sale and use became illegal in the United States, synthetic androstenedione was used as a dietary supplement to enhance athletic performance.

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Also, androstendione, progesterone, 17-OH-progesterone, and cortisol, but not DHEAS (dehydroepiandrosterone sulfate), were positively associated with PFOS exposure (Table 2).
In post-menopausal women, main source of oestrogen is conversion of androgen precursor androstendione in peripheral adipocytes to oestrogen; so the greater the amount of adipose tissue the greater the rate of conversion and the greater the exposure of breast cells to oestrogen.
The researchers used androstendione and andro-stendiol, physiologically weak androgens which are converted to active androgen-testosterone in human body.
Fasting serum glucose, basal insulin, HOMA-IR index, FSH, LH, PRL, TSH, total testosterone, DHEA-S, androstendione, CRP and lipid profile were determined at follicular phase.
13) found the highest area under the receiver operating characteristic curve (AUC-ROC) was for calculated bioavailable testosterone, followed by FAI and then CFT, with the lower AUC-ROC found to be for SHBG, total testosterone, and androstendione.
It was ruled via arbitration that he was negligent for using a nutritional supplement, purchased over the counter (6-OXO-Extreme), which was found to be tainted with androstendione.
The aim of this investigation was to determine the effects of testosterone (T), estrogen (E), androstendione (AED), and a combination of E+T and E+AED on the viability and morphology of A549 cells after 24, 48, and 72 hours.