Department of Medical Sciences, Occupational and Environmental Medicine, Uppsala University, Uppsala, Sweden
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ARUP Institute for Clinical and Experimental Pathology, Salt Lake City, Utah, USA
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Department of Chemistry – BMC, Analytical Chemistry, Uppsala University, Uppsala, Sweden
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testosterone concentrations in older men have been associated with reduced all-cause mortality and higher dihydrotestosterone (DHT) with reduced ischemic heart disease mortality ( 11 ). Estrone is the most prevalent estrogen in menopause and has less intra- and
Department of Molecular Endocrinology, National Research Institute for Child Health and Development, Setagaya, Tokyo, Japan
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Department of Molecular Endocrinology, National Research Institute for Child Health and Development, Setagaya, Tokyo, Japan
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Research Center for Environment and Developmental Medical Sciences, Kyushu University, Higashi-ku, Fukuoka, Japan
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Research Center for Environment and Developmental Medical Sciences, Kyushu University, Higashi-ku, Fukuoka, Japan
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Department of Molecular Endocrinology, National Research Institute for Child Health and Development, Setagaya, Tokyo, Japan
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). Subsequently, an increase in circulating gonadal steroids (‘gonadarche’) takes place in a sex-specific manner. In girls, blood levels of estradiol (E 2 ) start to increase around 8 years of age, while in boys, testosterone levels typically increase at 9 years
eXtraOrdinarY Kids Clinic, Children's Hospital Colorado, Aurora, Colorado, USA
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eXtraOrdinarY Kids Clinic, Children's Hospital Colorado, Aurora, Colorado, USA
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eXtraOrdinarY Kids Clinic, Children's Hospital Colorado, Aurora, Colorado, USA
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eXtraOrdinarY Kids Clinic, Children's Hospital Colorado, Aurora, Colorado, USA
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hypogonadism, a nearly universal finding in adult men with KS, has been implicated as the underlying pathologic mechanism leading to this increased risk ( 2 ). As an anabolic steroid, testosterone has effects on body composition and mitochondrial metabolism
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use of testosterone, which in this situation is used as a prohormone providing oestradiol via aromatisation. As women with CAIS do not have a uterus, progesterone is not required. Based on our clinical experience, interest in the use of testosterone
Alfred Health, Melbourne, Victoria, Australia
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Department of General Practice, Melbourne Medical School, The University of Melbourne, Victoria, Australia
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testosterone replacement therapy ( 5 ). The severity of ASIH depends on the type, combination, timeframe and dosages of AAS being abused, which can vary considerably between abusers ( 6 ). Up to 90% may combine various forms of AAS, otherwise known as
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Imperial College London, Institute of Reproductive and Developmental Biology, London, UK
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Malmö University Hospital, Reproductive Medicine Center, Malmö, Sweden
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Introduction For decades, gonadotropin-releasing hormone (GnRH) agonists have formed the mainstay hormonal treatment of prostate cancer ( 1 ). While they generate suppression of testosterone due to persistent suppression of luteinizing hormone
Sahlgrenska Osteoporosis Centre, Center for Bone and Arthritis Research (CBAR), Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, University of Gothenburg, Gothenburg, Sweden
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Sahlgrenska Osteoporosis Centre, Center for Bone and Arthritis Research (CBAR), Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, University of Gothenburg, Gothenburg, Sweden
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Sahlgrenska Osteoporosis Centre, Center for Bone and Arthritis Research (CBAR), Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, University of Gothenburg, Gothenburg, Sweden
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Department of Endocrinology, Skaraborg Central Hospital, Skövde, Sweden
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, including the CNS, possess the ability of converting cholesterol into bioactive steroids. For example, astrocytes and neurons can convert cholesterol into testosterone, estrone (E1), estradiol (E2), dehydroepiandrosterone (DHEA), androstenedione (4D), and
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) should be recommended as the first-line approach ( 2 , 3 ), yet in clinical practice LSM often fails. On the other hand, testosterone replacement therapy (TRT) appears to improve body composition and glycometabolic profile without clearly affecting
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, 21-deoxycorticosterone, deoxycorticosterone, corticosterone, 11-deoxycortisol, cortisol, cortisone, androstenedione, testosterone, dehydroepiandrostenedione sulfate (DHEA-S), estrone (E1), estradiol (E2), luteinizing hormone (LH), follicle
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Université Paris Cité, Faculté de Santé, UFR de Médecine, Paris, France
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Université Paris Cité, Faculté de Santé, UFR de Médecine, Paris, France
Inserm UMR1185, Le Kremlin Bicetre, Paris, France
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Inserm UMR1185, Le Kremlin Bicetre, Paris, France
Paris-Saclay University, Paris, France
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cells, and perhaps, by extension, for future fertility ( 3 , 4 , 5 , 6 ). Anti-Müllerian hormone (AMH) and Inhibin B are reliable biomarkers reflecting Sertoli cells function, while testosterone is an index of Leydig cell activation. Boys with CHH