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https://www.readbyqxmd.com/read/28721216/switch-to-restoration-therapy-in-a-testosterone-treated-central-hypogonadism-with-erythrocytosis
#1
B Cangiano, C Cacciatore, L Persani, M Bonomi
We describe a case of severe erythrocytosis caused by testosterone replacement therapy in a 66-year-old man affected with hypogonadotropic hypogonadism (HH) determining osteoporosis, resolved by switching to restoration therapy with clomiphene citrate. The patient complained fatigue, loss of libido and defective erections and a spontaneous vertebral fracture despite bisphosphonate therapy and vitamin D supplementation. The examinations proved isolated HH and he was therefore treated with testosterone gel with regression of specific manifestations but elevated hemoglobin and hematocrit values...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28717276/testosterone-versus-clomiphene-citrate-in-managing-symptoms-of-hypogonadism-in-men
#2
Pranav Dadhich, Ranjith Ramasamy, Jason Scovell, Nathan Wilken, Larry Lipshultz
INTRODUCTION: Both clomiphene citrate (CC) and testosterone supplementation therapy (TST) are effective treatments for men with hypogonadism. We sought to compare changes in symptoms and treatment efficacy in hypogonadal men before and after receiving CC and TST. PATIENTS AND METHODS: 52 men who received TST and 23 men who received CC for symptomatic hypogonadism were prospectively followed for change in hormone levels and symptoms after treatment. These men were also compared to eugonadal men who were not on CC or TST during the same period...
July 2017: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/28708126/the-effect-of-a-12-week-beta-hydroxy-beta-methylbutyrate-hmb-supplementation-on-highly-trained-combat-sports-athletes-a-randomised-double-blind-placebo-controlled-crossover-study
#3
Krzysztof Durkalec-Michalski, Jan Jeszka, Tomasz Podgórski
The aim of this study was to verify the effect of beta-hydroxy-beta-methylbutyrate (HMB) supplementation on physical capacity, body composition and the value of biochemical parameters in highly-trained combat sports athletes. Forty-two males highly-trained in combat sports were subjected to 12 weeks of supplementation with HMB and a placebo in a randomized, placebo controlled, double-blind crossover manner. Over the course of the experiment, aerobic and anaerobic capacity was determined, while analyses were conducted on body composition and levels of creatine kinase, lactate dehydrogenase, testosterone, cortisol and lactate...
July 14, 2017: Nutrients
https://www.readbyqxmd.com/read/28707057/application-of-testosterone-supplementation-in-semen-to-improve-sperm-motility-in-asthenozoospermic-males
#4
Isarin Thanaboonyawat, Panicha Chantrapanichkul, Somsin Petyim, Chidchanok Kaewjunun, Pitak Laokirkkiat, Roungsin Choavaratana
PURPOSE: To evaluate the effect of different concentrations and durations of seminal testosterone supplementation upon the motility of sperm from asthenozoospermic males. METHODS: Semen was collected from 41 infertile men with asthenozoospermia. After liquefaction, 200 μL was extracted from each semen sample and divided equally into five groups for a negative control, a vehicle control, and three experimental portions mixed with 4.75, 7.75, and 17.75 nmol/L of testosterone, respectively...
July 13, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28693116/long-term-follow-up-of-a-child-with-klinefelter-syndrome-and-achondroplasia-from-infancy-to-16-years
#5
Jessica D Arditi, Loretta Thomaidis, Helen Frysira, Artemis Doulgeraki, George P Chrousos, Christina Kanaka-Gantenbein
BACKGROUND: Achondroplasia (ACH), an autosomal dominant skeletal dysplasia, occurs in approximately 1:20,000 births. On the other hand, 47,XXY aneuploidy (Klinefelter syndrome [KS]) is the most common sex chromosome disorder, with a prevalence of approximately 1:600 males. To the best of our knowledge, only five cases of patients presenting both ACH and KS have been reported to date in the international literature. However, none of these cases has been longitudinally followed during the entire childhood...
June 23, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28692411/evaluation-of-the-health-benefits-of-a-multivitamin-multimineral-herbal-essential-oil-infused-supplement-a-pilot-trial
#6
Xuesheng Han, Dennis L Eggett, Tory L Parker
This study was designed to quantitatively evaluate the health benefits of a multivitamin, multimineral, herbal, essential oil-infused supplement using serum biomarkers. We also qualitatively evaluated the health effects of this supplement using a survey. Sixteen participants were recruited to take the supplement as directed for two months. The levels of the following serum components were measured in the participants: total cholesterol, high-density lipoprotein (HDL) cholesterol, low-density lipoprotein (LDL) cholesterol, triglycerides, lipoprotein(a), LDL/HDL cholesterol ratio, total/HDL cholesterol ratio, ferritin, fibrinogen, C-reactive protein, insulin, testosterone, sex hormone binding globulin, free androgen index, red blood cell magnesium, homocysteine, coenzyme Q10, lipid peroxides, alpha-tocopherol, gamma-tocopherol, cardiovascular index, eicosapentaenoic acid (EPA), arachidonic acid (AA), and the AA/EPA ratio...
July 10, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/28677770/the-function-of-androgen-androgen-receptor-and-insulin-growth-factor%C3%A2-1-insulin-growth-factor%C3%A2-1-receptor-on-the-effects-of-tribulus%C3%A2-terrestris-extracts-in-rats-undergoing-high-intensity-exercise
#7
Yin Wu, Hongfang Yang, Xiaohui Wang
Our previous study demonstrated that treatment with Tribulus terrestris (TT) extracts (120 mg/kg) promoted the muscle weight gain and performance of rats undergoing high intensity exercise. The present study was designed to explore the mechanisms underlying the effect of treatment with TT extracts and the involvement of androgens, the androgen receptor (AR), insulin growth factor‑1 (IGF‑1) and the IGF‑1 receptor (IGF‑1R). A total of 32 Sprague‑Dawley rats were randomly divided into groups as follows: Control; TT, treated with TT extracts, E, high intensity exercise; E+TT, high intensity exercise plus TT treatment...
June 30, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28672740/long-term-follow-up-of-a-child-with-klinefelter-syndrome-and-achondroplasia-from-infancy-to-16-years
#8
Jessica D Arditi, Loretta Thomaidis, Helen Frysira, Artemis Doulgeraki, George P Chrousos, Christina Kanaka-Gantenbein
BACKGROUND: Achondroplasia (ACH), an autosomal dominant skeletal dysplasia, occurs in approximately 1:20,000 births. On the other hand, 47,XXY aneuploidy (Klinefelter syndrome [KS]) is the most common sex chromosome disorder, with a prevalence of approximately 1:600 males. To the best of our knowledge, only five cases of patients presenting both ACH and KS have been reported to date in the international literature. However, none of these cases has been longitudinally followed during the entire childhood...
July 26, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28668616/influence-of-flavonols-and-quercetin-derivative-compounds-on-ma-10-leydig-cells-steroidogenic-genes-expressions
#9
Michelle Cormier, Firas Ghouili, Pauline Roumaud, Luc J Martin, Mohamed Touaibia
Androgen are mainly synthesized and secreted from testicular Leydig cells and play critical roles in testis development, normal masculinization, spermatogenesis, and male fertility. The rate-limiting step in testosterone biosynthesis involves the import of cholesterol inside mitochondria by the steroidogenic acute regulatory (Star) protein. Cholesterol is then converted to pregnenolone by the steroidogenic enzyme Cyp11a1, followed by a chemical transformation to testosterone using other steroidogenic enzymes...
June 28, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28667465/the-role-of-vitamin-d-in-male-fertility-a-focus-on-the-testis
#10
REVIEW
Cristina de Angelis, Mariano Galdiero, Claudia Pivonello, Francesco Garifalos, Davide Menafra, Federica Cariati, Ciro Salzano, Giacomo Galdiero, Mariangela Piscopo, Alfonso Vece, Annamaria Colao, Rosario Pivonello
In the last decade, vitamin D has emerged as a pleiotropic molecule with a multitude of autocrine, paracrine and endocrine functions, mediated by classical genomic as well as non-classical non-genomic actions, on multiple target organs and systems. The expression of vitamin D receptor and vitamin D metabolizing enzymes in male reproductive system, particularly in the testis, suggests the occurrence of vitamin D synthesis and regulation as well as function in the testis. The role of vitamin D in the modulation of testis functions, including hormone production and spermatogenesis, has been investigated in animals and humans...
July 1, 2017: Reviews in Endocrine & Metabolic Disorders
https://www.readbyqxmd.com/read/28652558/sex-difference-of-hyperinsulinemia-in-the-c57bl-6j-daruma-obese-mouse
#11
Yoshihiro Suzuki, Keiko Nakahara, Takuya Ensho, Noboru Murakami
The C57BL/6J-Daruma mouse is an animal model of obesity derived from the original genetically obese ICR-Daruma mouse by transfer of the phenotype into the C57BL/6J background by backcrossing into the C57BL/6J strain. Although, like the original ICR-Daruma mouse model, both male and female C57BL/6J-Daruma mice develop obesity, the latter strain shows sex differences in several phenotypes. A sex difference in plasma insulin levels was especially notable in C57BL/6J-Daruma mice; only males showed hyperinsulinemia...
June 25, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28649252/sexual-dimorphic-responses-in-lymphocytes-of-healthy-individuals-after-carica-papaya-consumption
#12
Nur Ramziahrazanah Jumat, Mun Yee Chong, Zainina Seman, Rosita Jamaluddin, Nyet Kui Wong, Maha Abdullah
Sexual dimorphism in immune response is widely recognized, but few human studies have observed this distinction. Food with endo-immunomodulatory potential may reveal novel sex-biased in vivo interactions. Immunomodulatory effects of Carica papaya were compared between healthy male and female individuals. Volunteers were given fixed meals supplemented with papaya for 2 days. Changes in blood immune profiles and hormone levels were determined. In females, total natural killer (NK) cell percentages decreased (12...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28646567/severe-menses-associated-hypertension-successfully-treated-with-gonadotropin-releasing-hormone-agonist
#13
Luke J Laffin, Munnam S Jafar, George L Bakris
A case of a 32-year-old nulliparous white woman referred for a 5-year history of severe hypertension, hypokalemia, and resultant systolic dysfunction is presented. She additionally had a left ventricular ejection fraction of 30% including left ventricular dilation and normal left ventricular mass index, as measured by cardiac magnetic resonance imaging when she initially presented to us. Her history revealed that her severe hypertension episodes were monthly and would occur around the catamenial (menses-associated) time...
June 23, 2017: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/28642037/testosterone-regulates-3t3-l1pre-adipocyte-differentiation-and-epididymal-fat-accumulation-in-mice-through-modulating-macrophage-polarization
#14
Xiaojiao Ren, Xiaojian Fu, Xinhua Zhang, Shiqiang Chen, Shuguang Huang, Lun Yao, Guoquan Liu
Low testosterone levels are strongly related to obesity in males. The balance between the classically M1 and alternatively M2 polarized macrophages also plays a critical role in obesity. It is not clear whether testosterone regulates macrophage polarization and then affects adipocyte differentiation. In this report, we demonstrate that testosterone strengthens interleukin (IL) -4-induced M2 polarization and inhibits lipopolysaccharide (LPS) -induced M1 polarization, but has no direct effect on adipocyte differentiation...
June 19, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28635608/the-protective-role-of-folic-acid-against-testicular-dysfunction-in-lead-intoxicated-rat-model
#15
Asmaa Ms Gomaa, Nasser S Abou Khalil, Mohammed A Abdel-Ghani
There is an increasing concern over male reproductive toxicity caused by lead exposure. Folic acid (FA) is supposed to be a promising therapeutic strategy against lead toxicity. Therefore, the aim of this experimental study was to shed light on the potential protective role of FA on lead-induced testicular dysfunction in rats and its possible underlying mechanistic pathways. Rats (n = 24) were divided into four groups: Control, FA, Lead, and FA+Lead group. After 4 weeks, lead intoxication resulted in a marked reduction in the relative testicular weight and the serum level of testosterone, an impairment in the characters of semen analysis, and an increased content of lead, malondialdehyde and both interleukin-6 and -10 and a decreased antioxidant enzyme levels in the testicular tissue homogenate...
July 2017: General Physiology and Biophysics
https://www.readbyqxmd.com/read/28625114/the-role-of-testosterone-supplemental-therapy-in-opioid-induced-hypogonadism-a-retrospective-pilot-analysis
#16
Omer A Raheem, Sunil H Patel, David Sisul, Tim J Furnish, Tung-Chin Hsieh
Chronic opioid therapy for pain management is known to induce several endocrine changes. The authors examined the effect of testosterone supplemental therapy (TST) in patients with chronic, noncancer pain undergoing opioid therapy. It was hypothesized that treatment of opioid-induced hypogonadism (OIH) can reduce opioid requirements in patients suffering from chronic pain and approve their quality of life. Over 18 months period, patients with OIH were identified in a tertiary referral pain center, Numerical Rating Scale (NRS) pain scores and daily morphine equivalent dose (MED) were the primary outcomes measured...
July 2017: American Journal of Men's Health
https://www.readbyqxmd.com/read/28620296/testosterone-propionate-exacerbates-the-deficits-of-nigrostriatal-dopaminergic-system-and-downregulates-nrf2-expression-in-reserpine-treated-aged-male-rats
#17
Rui Cui, Yunxiao Kang, Li Wang, Shuangcheng Li, Xiaoming Ji, Wensheng Yan, Guoliang Zhang, Huixian Cui, Geming Shi
There is a controversy over the effects of testosterone supplements on dopaminergic function. Both neuroprotective and toxic effects of testosterone supplements are reported. The status of oxidative stress seems to explain the neuroprotective or toxic properties of testosterone. To determine the efficacy of testosterone supplements in different status of oxidative stress, the present studies analyzed the dopamine (DA)-related behaviors and neurochemical indices, as well as markers of nigrostriatal dopaminergic (NSDA) system in reserpine-treated aged male rats followed by testosterone propionate (TP) supplements...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28617846/a-metabolite-of-leucine-%C3%AE-hydroxy-%C3%AE-methylbutyrate-given-to-sows-during-pregnancy-alters-bone-development-of-their-newborn-offspring-by-hormonal-modulation
#18
Tomasz Blicharski, Ewa Tomaszewska, Piotr Dobrowolski, Monika Hułas-Stasiak, Siemowit Muszyński
The effects of dietary β-hydroxy-β-methylbutyrate (HMB) supplementation during gestation on bone, growth plate, and articular cartilage in newborns were determined. Thermal analysis of articular cartilage was performed to examine the structural changes in collagen. At day 70 of gestation, a total of 12 sows (Large White Polish breed, at the second parity) were randomly assigned to two groups, with each group receiving either a basal diet or the same diet supplemented with 0.2 g/day HMB until the 90th day...
2017: PloS One
https://www.readbyqxmd.com/read/28616771/androgen-supplementation-improves-some-but-not-all-aspects-of-immune-senescence-in-aged-male-macaques
#19
Maham Rais, Randall M Wilson, Henryk F Urbanski, Ilhem Messaoudi
Aging leads to a progressive decline in immune function commonly referred to as immune senescence, which results in increased incidence and severity of infection. In addition, older males experience a significant disruption in their levels of circulating androgens, notably testosterone and dehydroepiandrosterone (DHEA), which has been linked to sarcopenia, osteoporosis, cardiovascular disease, and diabetes. Since sex steroid levels modulate immune function, it is possible that the age-related decline in androgen levels can also affect immune senescence...
June 14, 2017: GeroScience
https://www.readbyqxmd.com/read/28615280/age-associated-gene-expression-changes-in-the-arcuate-nucleus-of-male-rhesus-macaques
#20
Dominique Eghlidi, Vasilios Garyfallou, Steven Kohama, Henryk F Urbanski
The hypothalamic arcuate nucleus (ARC) represents a major component of the neuroendocrine reproductive axis, and plays an important role in controlling the onset of puberty as well as age-associated reproductive senescence. Although significant gene expression changes have been observed in the ARC during sexual maturation it is unclear what changes occur during aging, especially in males. Therefore, in the present study we profiled the expression of reproduction-related genes in the ARC of young and old male rhesus macaques, as well as old males that had received 6 months of hormone supplementation (HS) in the form of daily testosterone and dehydroepiandrosterone; we also compared morning versus night ARC gene expression in the old males...
June 14, 2017: Journal of Molecular Endocrinology
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