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Valentina Guarnotta, Silvia Lucchese, Mariagrazia Irene Mineo, Donatella Mangione, Renato Venezia, Piero Luigi Almasio, and Carla Giordano

-Pg, basal prolactin, total and free testosterone, DHEA-S and ∆4androstenedione, total cholesterol, high-density lipoprotein (HDL) cholesterol, low-density lipoprotein cholesterol, triglycerides, glutamic-pyruvic transaminase (GPT), glutamic

Open access

Rachel K Rowe, Benjamin M Rumney, Hazel G May, Paska Permana, P David Adelson, S Mitchell Harman, Jonathan Lifshitz, and Theresa C Thomas

histological) were made at chronic time points postinjury to determine whether ongoing reparative processes could contribute to late-onset deficits. We hypothesized that diffuse TBI would lead to chronic deficiencies in CORT and testosterone, which are

Open access

I Savchuk, M L Morvan, J P Antignac, K Gemzell-Danielsson, B Le Bizec, O Söder, and K Svechnikov

been reported that the HFA has the potential to produce testosterone from androstenedione by action of 17βHSD5 ( 5 ), similar to that observed in the adult adrenals, where this enzyme has been found to be expressed in zona reticularis ( 6 ). It is also

Open access

Mojca Jensterle, Nika Aleksandra Kravos, Simona Ferjan, Katja Goricar, Vita Dolzan, and Andrej Janez

pressure, menstrual frequency, fasting glucose, androstenedione, dehydroepiandrosterone sulphate (DHEAS), free and total testosterone, follicle-stimulating hormone (FSH), luteinizing hormone (LH) were identified at baseline and at every follow-up visit at 1

Open access

Alexander Tacey, Lewan Parker, Bu B Yeap, John Joseph, Ee M Lim, Andrew Garnham, David L Hare, Tara Brennan-Speranza, and Itamar Levinger

reduction in circulating testosterone concentrations attributed to the inhibition of the hypothalamic–pituitary–testicular (HPT) axis ( 14 ). Exercise is not thought to interfere with the diurnal rhythm of testosterone production ( 15 ), and there may be a

Open access

Rossella Cannarella, Andrea Crafa, Sandro La Vignera, Rosita A Condorelli, and Aldo E Calogero

: puberty onset and progression, testicular volume, gonadotropin, and total testosterone serum levels, sperm parameters and fertility, micropenis. Methods Sources Data used to perform this systematic review were independently extracted by A C and

Open access

Sebastian Franik, Kathrin Fleischer, Barbara Kortmann, Nike M Stikkelbroeck, Kathleen D’Hauwers, Claire Bouvattier, Jolanta Slowikowska-Hilczer, Solange Grunenwald, Tim van de Grift, Audrey Cartault, Annette Richter-Unruh, Nicole Reisch, Ute Thyen, Joanna IntHout, Hedi L Claahsen-van der Grinten, and

azoospermia is found in about 90% of adult men with KS ( 2 ). Other frequent clinical symptoms include gynecomastia, a low sexual drive, small testes and hypogonadism due to impaired testosterone production ( 3 , 4 ). KS is also associated with

Open access

Rafaella Sales de Freitas, Thiago F A França, and Sabine Pompeia

). Apart from gonadal changes that result from this activation, which include the increased production of hormones such as testosterone and oestrogens, changes in genitalia in both sexes, breast growth in girls and facial hair growth, and voice changes in

Open access

Bruno Donadille, Muriel Houang, Irène Netchine, Jean-Pierre Siffroi, and Sophie Christin-Maitre

severe form of HSD3B2 mutation, male patients present neonatal salt wasting, as well as disorders of sexual development (DSD), with micropenis and severe hypospadias. The external genitalia morphogenesis is impaired due to the diminished testosterone

Open access

T P Parikh, B Stolze, Y Ozarda, J Jonklaas, K Welsh, L Masika, M Hill, A DeCherney, and S J Soldin

Introduction Diurnal variations in the serum concentration of steroid hormones and their metabolism, as assessed by urinary excretion, have long been known for cortisol and testosterone ( 1 , 2 , 3 ). Less information exists for the other up