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Male hypogonadism

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https://www.readbyqxmd.com/read/29675480/pituitary-dysfunction-from-an-unruptured-ophthalmic-internal-carotid-artery-aneurysm-with-improved-2-year-follow-up-results-a-case-report
#1
Meng Qi, Ming Ye, Meng Li, Peng Zhang
Internal carotid artery (ICA) supraclinoid segment aneurysms extending into the sellar region and leading to pituitary dysfunction are a rare occurrence. To date, long-term follow up of pituitary function 2 years post-treatment has never been reported. Herein, we present a case of pituitary dysfunction due to an unruptured ophthalmic segment internal carotid artery aneurysm and report improved 2-year follow-up results. A 76-year-old male presented with disturbed consciousness due to hyponatremia, which was caused by hypoadrenocorticism resulting from pituitary dysfunction complicated by hypogonadism and hypothyroidism...
2018: Open Medicine (Warsaw, Poland)
https://www.readbyqxmd.com/read/29674209/possible-mechanisms-underlying-fatty-liver-in-a-rat-model-of-male-hypogonadism-a-protective-role-for-testosterone
#2
Hussein F Sakr, Abdelaziz M Hussein, Elsayed A Eid, Mahmoud AlKhateeb
AIMS: To investigate the effects of testosterone (Test) deficiency and testosterone replacement therapy (TRT) on the development of non-alcoholic fatty liver disease (NAFLD) and associated peripheral insulin resistance (IR) in male rats and to illustrate the underlying mechanisms of action. MATERIALS AND METHODS: male Sprague Dawley rats were divided into 3 groups as follows: 1) sham-operated group (n=11), 2) ORCD-induced group (n=9) exposed to orchidectomy (ORCD), achieved by complete surgical removal of testicles, and 3) ORCD+ Test treated group (n=10) (11 ng/ mL Test propionate, 3x/week, S...
April 16, 2018: Steroids
https://www.readbyqxmd.com/read/29670578/gata4-variants-in-individuals-with-a-46-xy-disorder-of-sex-development-dsd-may-or-may-not-be-associated-with-cardiac-defects-depending-on-second-hits-in-other-dsd-genes
#3
Idoia Martinez de LaPiscina, Carmen de Mingo, Stefan Riedl, Amaia Rodriguez, Amit V Pandey, Mónica Fernández-Cancio, Nuria Camats, Andrew Sinclair, Luis Castaño, Laura Audi, Christa E Flück
Disorders of sex development (DSD) consist of a wide range of conditions involving numerous genes. Nevertheless, about half of 46,XY individuals remain genetically unsolved. GATA4 gene variants, mainly related to congenital heart defects (CHD), have also been recently associated with 46,XY DSD. In this study, we characterized three individuals presenting with 46,XY DSD with or without CHD and GATA4 variants in order to understand the phenotypical variability. We studied one patient presenting CHD and 46,XY gonadal dysgenesis, and two patients with a history of genetically unsolved 46,XY DSD, also known as male primary hypogonadism...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29667546/seminal-supar-levels-as-marker-of-abacterial-male-accessory-gland-inflammation-in-hypogonadism
#4
Domenico Milardi, Giuseppe Grande, Chiara Autilio, Francesca Mancini, Laura De Marinis, Riccardo Marana, Cecilia Zuppi, Andrea Urbani, Alfredo Pontecorvi, Silvia Baroni
Recent evidences suggest that hypogonadism is an important risk factor for lower urinary tract symptoms and benign prostatic hyperplasia. Several papers have discussed the role of chronic inflammation in the development of BPH, which may be modulated by the hypogonadal state. Soluble urokinase-type plasminogen activator receptor (suPAR), known protein marker of systemic inflammation, can be assayed in the seminal plasma and represents a reliable and sensitive marker of inflammation for the male accessory gland inflammation (MAGI)...
April 18, 2018: Protein and Peptide Letters
https://www.readbyqxmd.com/read/29665142/risk-factors-for-late-onset-hypogonadism
#5
Q T Yang, K S Wu, Z J Li, W C Li, L Lu, H Q Wu, Y Y Zhuang, X X Sui
The European Male Aging Study (EMAS) has recently defined strict diagnostic criteria for late-onset hypogonadism (LOH) including the levels of serum total testosterone (TT), free testosterone (FT) and three sexual symptoms. However, there is no report on risk factors for LOH using these criteria. In this study, we investigated risk factors for LOH based on these criteria. We recruited 277 men (aged 36-80 years) who completed both a health check-up and two questionnaires (a health and lifestyle questionnaire, and a sexual function questionnaire)...
April 17, 2018: Andrologia
https://www.readbyqxmd.com/read/29664655/short-term-assessment-of-hsct-effects-on-the-hypothalamus-pituitary-axis-in-pediatric-thalassemic-patients
#6
Amir Ali Hamidieh, Fariba Mohseni, Maryam Behfar, Zohreh Hamidi, Kamran Alimoghaddam, Mohamad Pajouhi, Bagher Larijani, Mohammad-Reza Mohajeri-Tehrani, Ardeshir Ghavamzadeh
BACKGROUND: Beta thalassemia major (BTM) and its treatment by hematopoietic stem cell transplantation (HSCT) may have deleterious effects on the endocrine systems. We assessed endocrine complications of HSCT in pediatric patients for 3 months. METHODS: In 20 (6 female) pediatric major thalassemic patients (mean age of 10.8 ± 3.9 years old), prolactin, luteinizing hormone (LH), follicle-stimulating hormone (FSH), T4, T3, thyroid-stimulating hormone (TSH), IGF-1, testosterone (in males) or estradiol (in females) were measured as a batch at the Endocrinology and Metabolism Research Center (EMRC) of Tehran University of Medical Sciences (TUMS) laboratories before HSCT and 1 and 3 months afterwards...
February 1, 2018: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/29664314/iran-pituitary-tumor-registry-description-of-the-program-and-initial-results
#7
Mohammad Ebrahim Khamseh, Mohammad Reza Mohajeri Tehrani, Zohreh Mousavi, Mojtaba Malek, Mehrnaz Imani, Nasim Hoshangian Tehrani, Mohammad Ghorbani, Hamideh Akbari, Farzaneh Sarvghadi, Atieh Amouzegar, Fatemeh Esfahanian, Nahid Hashemi Madani, Zahra Emami
BACKGROUND: This study was designed to present initial results on clinical presentation, therapeutic modalities, and outcome information of patients with pituitary tumors registered in Iran Pituitary Tumor Registry (IPTR). METHODS: We collected data from a web-based electronic medical records of patients with various pituitary tumors referred to four tertiary care centers in the country. Retrospective analysis was performed on demographic, clinical, and therapeutic information of 298 patients including 51 clinically nonfunctioning adenoma (CNFA), 85 acromegaly, 135 prolactinoma, and 27 Cushing's disease (CD)...
December 31, 2017: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/29656047/the-complex-association-between-metabolic-syndrome-and-male-hypogonadism
#8
Christina Dimopoulou, Dimitrios G Goulis, Giovanni Corona, Mario Maggi
BACKGROUND: The complex association between metabolic syndrome (MetS) and male hypogonadism is well established. A number of observational studies show that low testosterone is associated with insulin resistance and an increased risk for diabetes mellitus and MetS in men. AIMS: To elucidate the association between MetS and male hypogonadism, present epidemiological data on the co-existence of the two comorbidities, enlighten the underlying pathophysiology and appraise the effects of testosterone supplementation therapy (TTh) and lifestyle modifications on MetS and body composition in men...
April 12, 2018: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29649106/mosh-syndrome-male-obesity-secondary-hypogonadism-clinical-assessment-and-possible-therapeutic-approaches
#9
Antonino De Lorenzo, Annalisa Noce, Eleonora Moriconi, Tiziana Rampello, Giulia Marrone, Nicola Di Daniele, Valentina Rovella
Male obesity secondary hypogonadism (MOSH) impairs fertility, sexual function, bone mineralization, fat metabolism, cognitive function, deteriorates muscle mass and alters body composition. The aim of this pilot study was to evaluate the effect of dietary intervention and physical activity on the MOSH patient's hormonal profile after a 10% weight loss compared to baseline. Fourteen male patients were enrolled. Hormonal, lipid, glycemic profiles and body composition were determined at baseline and after a 10% weight loss...
April 12, 2018: Nutrients
https://www.readbyqxmd.com/read/29622783/genetics-of-male-infertility
#10
REVIEW
Csilla Krausz, Antoni Riera-Escamilla
Male infertility is a multifactorial pathological condition affecting approximately 7% of the male population. The genetic landscape of male infertility is highly complex as semen and testis histological phenotypes are extremely heterogeneous, and at least 2,000 genes are involved in spermatogenesis. The highest frequency of known genetic factors contributing to male infertility (25%) is in azoospermia, but the number of identified genetic anomalies in other semen and aetiological categories is constantly growing...
April 5, 2018: Nature Reviews. Urology
https://www.readbyqxmd.com/read/29618492/autophagy-regulates-testosterone-synthesis-by-facilitating-cholesterol-uptake-in-leydig-cells
#11
Fengyi Gao, Guoping Li, Chao Liu, Hui Gao, Hao Wang, Weixiao Liu, Min Chen, Yongliang Shang, Lina Wang, Jian Shi, Wenlong Xia, Jianwei Jiao, Fei Gao, Jian Li, Liang Chen, Wei Li
Testosterone is indispensable for sexual development and maintaining male characteristics, and deficiency of this hormone results in primary or late-onset hypogonadism (LOH). Testosterone is primarily produced in Leydig cells, where autophagy has been reported to be extremely active. However, the functional role of autophagy in testosterone synthesis remains unknown. In this study, we show that steroidogenic cell-specific disruption of autophagy influenced the sexual behavior of aging male mice because of a reduction in serum testosterone, which is similar to the symptoms of LOH...
April 4, 2018: Journal of Cell Biology
https://www.readbyqxmd.com/read/29615074/a-klinefelter-boy-with-congenital-adrenal-hyperplasia-too-much-or-too-little-androgens
#12
Giada Zanella, Gianluca Tornese, Elisabetta Mascheroni, Elena Faleschini, Alessandro Ventura, Egidio Barbi
BACKGROUND: The simultaneous occurrence of Klinefelter Syndrome (KS) and Congenital Adrenal Hyperplasia (CAH) is an exceptional event: there are just three case reports (two children and a 51 years old man) describing males affected by both KS and 21OHD (21-hydroxylase deficiency) CAH, the first causing androgen deficiency, the latter leading to androgen excess. CASE REPORT: We report the 4th case of association of KS and CAH in a young man with CAH with good androgen control and with normal secondary sex characteristics, whose Klinefelter syndrome was diagnosed because of reduced testicular volume...
April 3, 2018: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/29606625/s-nitrosoglutathione-reductase-gsnor-deficiency-results-in-secondary-hypogonadism
#13
Thomas A Masterson, Himanshu Arora, Shathiyah Kulandavelu, Rona S Carroll, Ursula B Kaiser, Sakir H Gultekin, Joshua M Hare, Ranjith Ramasamy
BACKGROUND: Excess reactive oxygen species and reactive nitrogen species are implicated in male infertility and impaired spermatogenesis. AIM: To investigate the effect of excess reactive nitrogen species and nitrosative stress on testicular function and the hypothalamic-pituitary-gonadal axis using the S-nitrosoglutathione reductase-null (Gsnor-/- ) mouse model. METHODS: Testis size, pup number, and epididymal sperm concentration and motility of Gsnor-/- mice were compared with those of age-matched wild-type (WT) mice...
March 29, 2018: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/29603916/phase-1-pharmacokinetics-and-phase-3-efficacy-of-testosterone-nasal-gel-in-subjects-with-seasonal-allergies
#14
Alan D Rogol, Natalia Tkachenko, Philipp Badorrek, Jens M Hohlfeld, Nathan Bryson
INTRODUCTION: NATESTO® testosterone nasal gel (TNG) is a liquid gel that is applied in the nose for the treatment of male hypogonadism. There is a reasonable concern that administration of TNG to patients with active rhinitis could modify absorption. Results from two clinical studies are reported wherein subjects with allergic rhinitis (AR) subjects are treated with TNG. METHODS: The 24-hour pharmacokinetics (PK) and relative bioavailability of serum total testosterone (sTT) from TNG (11 mg tid ) were determined using a phase 1 Latin-square design with 18 eugonadal AR subjects crossed over between asymptomatic, symptomatic-untreated, and symptomatic-treated (oxymetazoline) conditions...
March 19, 2018: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/29599204/late-effects-after-hematopoietic-stem-cell-transplantation-for-beta-thalassemia-major-the-french-national-experience
#15
Ilhem Rahal, Claire Galambrun, Yves Bertrand, Nathalie Garnier, Catherine Paillard, Pierre Frange, Corinne Pondarré, Jean Hugues Dalle, Regis Peffault de Latour, Mauricette Michallet, Dominique Steschenko, Despina Moshous, Patrick Lutz, Jean Louis Stephan, Pierre Simon Rohrlich, Ibrahim Yakoub-Agha, Francoise Bernaudin, Christophe Piguet, Nathalie Aladjidi, Catherine Badens, Claire Berger, Gérard Socié, Cécile Dumesnil, Marie Pierre Castex, Marilyne Poirée, Anne Lambilliotte, Caroline Thomas, Pauline Simon, Pascal Auquier, Gerard Michel, Anderson Loundou, Imane Agouti, Isabelle Thuret
In this retrospective study, we evaluate long-term complications in nearly all β-thalassemia-major patients who successfully received, in France, allogeneic hematopoietic stem cell transplantation. 99 patients were analysed with a median age of 5.9 years at transplantation. The median duration of clinical follow-up was 12 years. All conditioning regimen were myeloablative, most often based on busulfan combined with cyclophosphamide and more than 90% of patients underwent a transplant from a matched sibling donor...
March 29, 2018: Haematologica
https://www.readbyqxmd.com/read/29588886/endoscopic-endonasal-transplanum-transtuberculum-approach-for-the-resection-of-a-large-suprasellar-craniopharyngioma
#16
João Mangussi-Gomes, Eduardo A Vellutini, Huy Q Truong, Felix H Pahl, Aldo C Stamm
Objectives  To demonstrate an endoscopic endonasal transplanum transtuberculum approach for the resection of a large suprasellar craniopharyngioma. Design  Single-case-based operative video. Setting  Tertiary center with dedicated skull base team. Participants  A 72-year-old male patient diagnosed with a suprasellar craniopharyngioma. Main Outcomes Measured  Surgical resection of the tumor and preservation of the normal surrounding neurovascular structures. Results  A 72-year-old male patient presented with a 1-year history of progressive bitemporal visual loss...
April 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29588572/effect-of-tocotrienol-from-bixa-orellana-annatto-on-bone-microstructure-calcium-content-and-biomechanical-strength-in-a-model-of-male-osteoporosis-induced-by-buserelin
#17
Nur-Vaizura Mohamad, Soelaiman Ima-Nirwana, Kok-Yong Chin
Background: Patients receiving androgen deprivation therapy experience secondary hypogonadism, associated bone loss, and increased fracture risk. It has been shown that tocotrienol from Bixa orellana (annatto) prevents skeletal microstructural changes in rats experiencing primary hypogonadism. However, its potential in preventing bone loss due to androgen deprivation therapy has not been tested. This study aimed to evaluate the skeletal protective effects of annatto tocotrienol using a buserelin-induced osteoporotic rat model...
2018: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/29576868/a-rare-cause-of-primary-adrenal-insufficiency-due-to-a-homozygous-arg188cys-mutation-in-the-star-gene
#18
Lukas Burget, Laura Audí Parera, Monica Fernandez-Cancio, Rolf Gräni, Christoph Henzen, Christa E Flück
Steroidogenic acute regulatory protein ( STAR ) is a key protein for the intracellular transport of cholesterol to the mitochondrium in endocrine organs (e.g. adrenal gland, ovaries, testes) and essential for the synthesis of all steroid hormones. Several mutations have been described and the clinical phenotype varies strongly and may be grouped into classic lipoid congenital adrenal hyperplasia (LCAH), in which all steroidogenesis is disrupted, and non-classic LCAH, which resembles familial glucocorticoid deficiency (FGD), which affects predominantly adrenal functions...
2018: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/29575969/the-effect-of-testosterone-replacement-therapy-on-penile-hemodynamics-in-hypogonadal-men-with-erectile-dysfunction-having-veno-occlusive-dysfunction
#19
Ozan Efesoy, Selahittin Çayan, Erdem Akbay
Hypogonadism may cause veno-occlusive dysfunction (VOD) by structural and biochemical alterations in the cavernosal tissue. The aim of the study was to investigate the effect of testosterone replacement therapy (TRT) on penile hemodynamics in hypogonadal men with erectile dysfunction and VOD. The study included 32 hypogonadal men with erectile dysfunction, having VOD. All patients underwent penile color Doppler ultrasonography (PCDU) at the beginning and 6 months after the initial evaluation. Erectile function was evaluated with the 5-item version of the International Index of Erectile Function (IIEF-5); hypogonadism was evaluated by testosterone measurement and the Aging Male Symptoms (AMS) scale...
March 1, 2018: American Journal of Men's Health
https://www.readbyqxmd.com/read/29572708/klinefelter-syndrome-insulin-resistance-metabolic-syndrome-and-diabetes-review-of-literature-and-clinical-perspectives
#20
REVIEW
Andrea Salzano, Roberta D'Assante, Liam M Heaney, Federica Monaco, Giuseppe Rengo, Pietro Valente, Daniela Pasquali, Eduardo Bossone, Daniele Gianfrilli, Andrea Lenzi, Antonio Cittadini, Alberto M Marra, Raffaele Napoli
PURPOSE: Klinefelter syndrome (KS), the most frequent chromosomic abnormality in males, is associated with hypergonadotropic hypogonadism and an increased risk of cardiovascular diseases (CVD). The mechanisms involved in increasing risk of cardiovascular morbidity and mortality are not completely understood. This review summarises the current understandings of the complex relationship between KS, metabolic syndrome and cardiovascular risk in order to plan future studies and improve current strategies to reduce mortality in this high-risk population...
March 23, 2018: Endocrine
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