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Low Testosterone Treatment In Males

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https://www.readbyqxmd.com/read/29029242/germ-cell-neoplasia-in-situ-and-preserved-fertility-despite-suppressed-gonadotropins-in-a-patient-with-testotoxicosis
#1
Li Juel Mortensen, Martin Blomberg Jensen, Peter Christiansen, Ann-Margrethe Rønholt, Anne Jørgensen, Hanne Frederiksen, John E Nielsen, Anand C Loya, Birgitte Grønkær Toft, Niels E Skakkebæk, Ewa Rajpert-De Meyts, Anders Juul
Context: Testotoxicosis is an autosomal dominant, male-limited disorder. Activating mutations in the Luteinizing Hormone Receptor gene (LHCGR) cause high autonomous testosterone secretion resulting in early-onset peripheral precocious puberty. Little is known about long-term consequences of testotoxicosis. Case Description: We present a rare case of a patient followed for 25 years with two remarkable outcomes; preserved fertility and germ cell neoplasia in situ (GCNIS)...
October 5, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29028483/circulating-levels-of-sgp130-and-sex-hormones-in-male-patients-with-coronary-atherosclerotic-disease
#2
Yan Cui, Wen Dai, Yan Li
BACKGROUND AND AIMS: Inflammation and endocrine disorders are considered as major pathogenic factors of coronary atherosclerotic disease (CAD). Sgp130, a natural antagonist of IL-6 trans-signaling, and sex hormones, especially testosterone and estradiol, are prominently considered as anti-atherosclerotic. The aim of this study was to investigate the possible association between serum sgp130 and testosterone and estradiol in male CAD patients. METHODS: A total of 254 male patients with CAD and 122 male controls were recruited for this study...
September 4, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28973382/ziram-delays-pubertal-development-of-rat-leydig-cells
#3
Xiaoling Guo, Songyi Zhou, Yong Chen, Xianwu Chen, Jianpeng Liu, Fei Ge, Qingquan Lian, Xiaomin Chen, Ren-Shan Ge
Ziram [zinc, bis (dimethyldithiocarbamate)] is an agricultural dithiocarbamate fungicide. By virtual screening, we have identified that ziram is a potential endocrine disruptor. To investigate its effects on pubertal development of Leydig cells, 35-day-old male Sprague Dawley rats orally received ziram (2 or 4 mg/kg/day) for 4 weeks and immature Leydig cells isolated from 35-day-old rat testes were treated with ziram (0.5-50 μM in vitro). Serum hormones, Leydig cell number and specific gene or protein expression levels after in vivo treatment were determined and medium androgen levels were measured as well as apoptosis of Leydig cells after in vitro treatment were determined...
September 15, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28971491/plumbagin-improves-the-efficacy-of-androgen-deprivation-therapy-in-prostate-cancer-a-pre-clinical-study
#4
Parisa Abedinpour, Véronique T Baron, Adrian Chrastina, Gaelle Rondeau, Jennifer Pelayo, John Welsh, Per Borgström
BACKGROUND: Plumbagin is a candidate drug for the treatment of prostate cancer. Previous observations indicated that it may improve the efficacy of androgen deprivation therapy (ADT). This study evaluates the effectiveness of treatment with combinations of plumbagin and alternative strategies for ADT in mouse models of prostate cancer to support its clinical use. METHODS: Plumbagin was administered per oral in a new sesame oil formulation. Standard toxicology studies were performed in rats...
October 2, 2017: Prostate
https://www.readbyqxmd.com/read/28967725/testicular-and-thyroid-function-as-survival-predictors-in-the-elderly-patient-candidate-to-surgery
#5
Antonio Aversa, Andrea Fabbri
The relationship between testosterone deficiency (TD) syndrome and surgical resilience has a great impact in the modern approach to male elderly patients. There is good evidence that low levels of T are a strong marker for cardiovascular risk; also, TD is frequently associated with increased cardiovascular and all-cause mortality especially in cardiac older frail men. Screening for low T should be mandatory in high risk groups candidate to surgery including those with diabetes, metabolic syndrome and obesity, even though benefits from T-treatment on survival rates are unclear...
July 18, 2017: Monaldi Archives for Chest Disease, Archivio Monaldi Per le Malattie del Torace
https://www.readbyqxmd.com/read/28954263/beneficial-effects-of-high-doses-of-cabergoline-in-the-treatment-of-giant-prolactinoma-resistant-to-dopamine-agonists-a-case-report-with-a-21-year-follow-up
#6
Lucas Faria de Castro, Maria de Fátima Magalhães Gonzaga, Luciana Ansaneli Naves, José Luiz Mendonça, Benicio Oton de Lima, Luiz Augusto Casulari
INTRODUCTION: Prolactinomas are pituitary tumors with a very low prevalence in childhood and adolescence compared to adulthood. This condition is preferentially treated with dopamine agonists. Resistance to these drugs is rare. CASE REPORT: We describe the case of a boy diagnosed with macroadenoma at the age of 9 and followed up for 21 years. He did not fully respond to treatment with dopamine agonists. His initial prolactin level was 2,400 ng/mL (in males, normal values are <16...
September 26, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/28938525/toxic-effects-of-tripterygium-wilfordii-hook-f-on-the-reproductive-system-of-adolescent-male-rats
#7
Xiaoping Jing, Weiwei Cheng, Sheng Guo, Ya Zou, Ting Zhang, Li He
Tripterygium wilfordii Hook F. (TWHF) is a compound extracted from Lei Gong Teng (Thunder God Vine) that has been used to treat a variety of immune-related diseases in clinical practice, particularly in pediatrics. Nevertheless, clinical data indicated that glycosides from Tripterygium wilfordii Hook F (GTW) are toxic to the male reproductive system, but the mechanism is unknown. Here, the administration of a high dose of GTW for 4 weeks and a low dose for 12 weeks can reduce the body weights and testes weights in adolescent male rats...
September 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28928235/testosterone-protects-high-fat-low-carbohydrate-diet-induced-non-alcoholic-fatty-liver-disease-in-castrated-male-rats-mainly-via-modulating-er-stress
#8
Yue Jia, Jennifer Kuang Yee, Christina Wang, Liana Nikolaenko, Maruja Diaz-Arjonilla, Joshua N Cohen, Samuel W French, Peter Y Liu, YanHe Lue, Wai-Nang Paul Lee, Ronald S Swerdloff
We previously showed that testosterone (T) deficiency enhanced high-fat diet (HFD) induced hepatic steatosis in rats that was independent of insulin resistance, and that T replacement reduced hepatic macrovesicular fat accumulation and inflammation. The present report explores the mechanism of T-protective effects on HFD-induced steatohepatitis. Adult male rats were randomized into four treatment groups for 15 weeks (intact rats on regular chow diet or HFD, and castrated rats on HFD with/without T replacement)...
September 19, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28892815/trans-male-voice-in-the-first-year-of-testosterone-therapy-make-no-assumptions
#9
Adrienne B Hancock, Kayla D Childs, Michael S Irwig
Purpose: The purpose of this study was to prospectively examine changes in gender-related voice domain of pitch measured by fundamental frequency, function-related domains of vocal quality, range, and habitual pitch level and the self-perceptions of transmasculine people during their first year of testosterone treatment. Method: Seven trans men received 2 voice assessments at baseline and 1 assessment at 3, 6, 9, and 12 months after starting treatment. Results: Vocal quality measures varied between and within participants but were generally within normal limits throughout the year...
September 18, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28865467/beneficial-effects-of-curcumin-nano-emulsion-on-spermatogenesis-and-reproductive-performance-in-male-rats-under-protein-deficient-diet-model-enhancement-of-sperm-motility-conservancy-of-testicular-tissue-integrity-cell-energy-and-seminal-plasma-amino-acids
#10
Omar A H Ahmed-Farid, Maha Nasr, Rania F Ahmed, Rofanda M Bakeer
BACKGROUND: Malnutrition resulting from protein and calorie deficiency continues to be a major concern worldwide especially in developing countries. Specific deficiencies in the protein intake can adversely influence reproductive performance. The present study aimed to evaluate the effects of curcumin and curcumin nano-emulsion on protein deficient diet (PDD)-induced testicular atrophy, troubled spermatogenesis and decreased reproductive performance in male rats. METHODS: Juvenile rats were fed the protein deficient diet (PDD) for 75 days...
September 2, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28807822/does-long-term-androgen-deficiency-lead-to-metabolic-syndrome-in-middle-aged-rats
#11
Veronika Borbélyová, Emese Domonkos, Janka Bábíčková, Ľubomíra Tóthová, Mária Kačmárová, Oľga Uličná, Daniela Ostatníková, Július Hodosy, Peter Celec
Evidence from clinical observational studies and animal experiments suggests that hypogonadism is associated with the metabolic syndrome. In most of the experiments, androgen deficiency is induced by gonadectomy in the adulthood and relatively short-term effects of hypogonadism on metabolic parameters are usually observed. The purpose of this study was to evaluate the metabolic effects of long-term androgen deficiency starting before puberty in middle-aged male rats. The components of the metabolic syndrome were examined in male, female and gonadectomized male rats at the age of 18months...
August 12, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28770381/effects-of-ascorbic-acid-on-spermatogenesis-and-sperm-parameters-in-diabetic-rats
#12
M Verónica Aguirre-Arias, Victoria Velarde, Ricardo D Moreno
Diabetes mellitus in human and animal models has been correlated with low sperm count, testicular abnormalities, high levels of germ cell death, and oxidative stress. In this study, we focus on three questions: (1) Is germ cell apoptosis stage-specific in diabetic male rats? (2) Could ascorbic acid (AA) reverse oxidative and histological damage and restore testicular dysfunction? (3) Could AA treatment restore fertility parameters in diabetic rats? Adult Sprague-Dawley rats were divided into four groups: control, diabetic, control plus AA, and diabetic plus AA...
November 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28766811/do-sperm-parameters-and-infertility-affect-sexuality-of-couples
#13
Fuat Kızılay, Mehmet Şahin, Barış Altay
We aimed to analyse the relationship between sperm parameters and International Index of Erectile Function (IIEF) score, the Female Sexual Function Index (FSFI) score, the testosterone (T) level in infertile men and between FSFI score and partners' fertility. Patients were divided into three groups; (group 1: azoospermia [n = 57], group 2: sperm count <15 million [n = 41], group 3: sperm count >15 million [n = 81]). Patients and their partners filled the IIEF and FSFI forms. The normality of the tests was analysed with Kolmogorov-Smirnov and Shapiro-Wilk tests...
August 2, 2017: Andrologia
https://www.readbyqxmd.com/read/28765273/cross-sex-testosterone-therapy-in-ovariectomized-mice-addition-of-low-dose-estrogen-preserves-bone-architecture
#14
Laura G Goetz, Ramanaiah Mamillapalli, Maureen J Devlin, Amy E Robbins, Masoumeh Majidi-Zolbin, Hugh S Taylor
Cross-sex hormone therapy (XHT) is widely used by transgender people to alter secondary sex characteristics to match their desired gender presentation. Here we investigate the long-term effects of XHT on bone health, using a murine model. Female mice underwent ovariectomy at either 6 or 10 weeks, and began weekly testosterone or vehicle injections. Dual-energy X-ray Absorptiometry (DXA) was performed to measure bone mineral density (BMD) and microCT was performed to compare femoral cortical and trabecular bone architecture...
August 1, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28721218/spontaneous-reossification-of-the-sella-in-transsphenoidal-reoperation-associated-with-strontium-ranelate
#15
Maria Mercedes Pineyro, Daiana Arrestia, Mariana Elhordoy, Ramiro Lima, Saul Wajskopf, Raul Pisabarro, Maria Pilar Serra
Spontaneous reossification of the sellar floor after transsphenoidal surgery has been rarely reported. Strontium ranelate, a divalent strontium salt, has been shown to increase bone formation, increasing osteoblast activity. We describe an unusual case of a young patient with Cushing's disease who was treated with strontium ranelate for low bone mass who experienced spontaneous sellar reossification after transsphenoidal surgery. A 21-year-old male presented with Cushing's features. His past medical history included delayed puberty diagnosed at 16 years, treated with testosterone for 3 years without further work-up...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28709177/effects-of-testosterone-therapy-on-bmi-blood-pressure-and-laboratory-profile-of-transgender-men-a-systematic-review
#16
I Velho, T M Fighera, P K Ziegelmann, P M Spritzer
Testosterone is the main hormonal agent used for cross-sex hormone therapy in female-to-male transgender persons. Our aim was to systematically review the literature concerning the effects of testosterone on body mass index (BMI), blood pressure, hematocrit, hemoglobin, lipid profile, and liver enzymes in transgender men. PUBMED and EMBASE were searched for studies published until March 2017. Studies were included if they reported interventions with any dose of testosterone and comparison of variables before and during treatment...
September 2017: Andrology
https://www.readbyqxmd.com/read/28704095/sarcopenia-an-endocrine-disorder
#17
Alexis McKee, John E Morley, Alvin M Matsumoto, Aaron Vinik
Sarcopenia is defined as low muscle function (walking speed or grip strength) in the presence of low muscle mass. A simple screening test - the SARC-F - is available to identify persons with sarcopenia. The major endocrine causes of sarcopenia are diabetes mellitus and male hypogonadism. Other causes are decreased physical activity, loss of motor neuron units, weight loss, inflammatory cytokines, reduced blood flow to muscles, very low 25(OH) vitamin D levels and decreased growth hormone and IGF-1. Treatment for sarcopenia includes resistance and aerobic exercise, leucine enriched essential amino acids, and vitamin D...
July 13, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28668617/atorvastatin-mitigates-testicular-injuries-induced-by-ionizing-radiation-in-mice
#18
Ramezan Ali Naeimi, Fereshteh Talebpour Amiri, Ali Reza Khalatbary, Arash Ghasemi, Mehryar Zargari, Maryam Ghesemi, Seyed Jalal Hosseinimehr
BACKGROUND: Radiotherapy in patients with pelvis malignancy causes testes irradiation and resulted in testicular damages. Atorvastatin (ATV) in the low-dose is considered as antioxidant and anti-inflammatory properties. OBJECTIVE: This experimental study was investigated protective effects of ATV on irradiation-induced testicular injury. MATERIAL AND METHODS: Sixty male balb/c mice were randomly divided into 6 groups: 1: control, 2: irradiated (IR), 3, 4 and 5: IR plus ATV (10, 20 and 50mg/kg), 6: only ATV (50mg/kg)...
June 28, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28637324/the-effects-of-phytosterols-on-the-sexual-behavior-and-reproductive-function-in-the-japanese-quail-coturnix-coturnix-japonica
#19
Mohammad Ibrahim Qasimi, Kentaro Nagaoka, Gen Watanabe
Phytosterols (PS) are plant origin sterols naturally found in many foods and added as food additives. Since 1950, PS have attracted considerable attention due to their ability to lower serum cholesterol and inhibit cardiovascular disease (CVD). However, recent studies have found that PS act as endocrine-disrupting chemicals in laboratory animals. Therefore, this study was aimed at finding the mechanism(s) for PS effects on the sexual behaviors and reproductive functions in male Japanese quails (Coturnix coturnix japonica)...
September 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28632494/long-term-dutasteride-therapy-in-men-with-benign-prostatic-hyperplasia-alters-glucose-and-lipid-profiles-and-increases-severity-of-erectile-dysfunction
#20
Abdulmaged Traish, Karim Sultan Haider, Gheorghe Doros, Ahmad Haider
Background Dutasteride has been successfully used in treatment of lower urinary tract symptoms (LUTS) secondary to benign prostatic hyperplasia (BPH). However, dutasteride inhibits 5α-reductase type 1 and type 2 enzymes and may compromises glucocorticoids and androgen metabolism and alters metabolic function resulting in undesirable metabolic and sexual adverse side effects. Aim The aim of this study was to investigate the long-term adverse effects of dutasteride therapy in men with BPH on: i) blood glucose, ii) glycated hemoglobin (HbA1c), iii) low density lipoprotein-cholesterol (LDL-C); high density lipoprotein-cholesterol (HDL-C) and total cholesterol (TC), iv) testosterone (T), v) liver alanine and aspartate aminotransferases (ALT and AST) and vi) erectile dysfunction (ED)...
June 21, 2017: Hormone Molecular Biology and Clinical Investigation
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