Effects of Nandrolone Stimulation on Testosterone Biosynthesis in Leydig Cells

Claudia Sangiorgi, Francesca Di Gaudio, Valentina Di Felice, Antonella Marino Gammazza, Alessandro Pitruzzella, Rosario Barone, Francesco Cappello, Antonella Marino Gammazza, Alessandro Pitruzzella, Nicola Locorotondo, Emanuela Turillazzi, Rosario Barone, Francesca Maglietta, Monica Salerno, Fulvio Barone, Antonio Luciano Sarni, Francesco Cappello, Cristoforo Pomara

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47 Citazioni (Scopus)


Anabolic androgenic steroids (AAS) are among the drugs most used by athletes for improving physical performance, as well as for aesthetic purposes. A number of papers have showed the side effects of AAS in different organs and tissues. For example, AAS are known to suppress gonadotropin-releasing hormone, luteinizing hormone, and follicle-stimulating hormone. This study investigates the effects of nandrolone on testosterone biosynthesis in Leydig cells using various methods, including mass spectrometry, western blotting, confocal microscopy and quantitative real-time PCR. The results obtained show that testosterone levels increase at a 3.9μM concentration of nandrolone and return to the basal level a 15.6μM dose of nandrolone. Nandrolone-induced testosterone increment was associated with upregulation of the steroidogenic acute regulatory protein (StAR) and downregulation of 17a-hydroxylase/17, 20 lyase (CYP17A1). Instead, a 15.6μM dose of nandrolone induced a down-regulation of CYP17A1. Further in vivo studies based on these data are needed to better understand the relationship between disturbed testosterone homeostasis and reproductive system impairment in male subjects.
Lingua originaleEnglish
pagine (da-a)1385-1391
Numero di pagine7
RivistaJournal of Cellular Physiology
Stato di pubblicazionePublished - 2016

All Science Journal Classification (ASJC) codes

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