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https://www.readbyqxmd.com/read/28432496/reproductive-effects-of-life-cycle-exposure-to-difenoconazole-on-female-marine-medaka-oryzias-melastigma
#1
Xiaocui Dong, Zhenghong Zuo, Jiaojiao Guo, Hongbin Li, Lemeng Zhang, Meng Chen, Zhibin Yang, Chonggang Wang
Difenoconazole (DFZ) is a widely used triazole fungicide which has been detected in some estuaries and embayments. This study was conducted to investigate the effects of DFZ on ovarian development in female marine medaka (Oryzias melastigma). After 180 days exposure of the embryo to DFZ (0, 1, 10, 100 and 1000 ng/L), the gonadosomatic index and percentage of mature oocytes produced were significantly reduced in the 1, 10 and 100 ng/L treatments but not the 1000 ng/L treatment compared to the control, thus exhibiting a U-shaped dose response curve...
April 21, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28416373/inhibition-effects-of-chlorogenic-acid-on-benign-prostatic-hyperplasia-in-mice
#2
Ya Huang, Huaguo Chen, Xin Zhou, Xingdong Wu, Enming Hu, Zhengmeng Jiang
This study aimed to evaluate the inhibitory effects and explore mechanisms of chlorogenic acid against testosterone-induced benign prostatic hyperplasia (BPH) in mice. Benign prostatic hyperplasia model was induced in experimental groups by daily subcutaneous injections of testosterone propionate (7.5mg/kg/d) consecutively for 14 d. A total of 60 mice were randomly divided into six groups: (Group 1) normal control group, (Group 2) benign prostatic hyperplasia model control group, (Group 3) benign prostatic hyperplasia mice treated with finasteride at a dose of 1mg/kg, (Group 4) benign prostatic hyperplasia mice treated with chlorogenic acid at dose levels of 0...
April 14, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28402303/ferrrate-vi-and-freeze-thaw-treatment-for-oxidation-of-hormones-and-inactivation-of-fecal-coliforms-in-sludge
#3
James Diak, Banu Örmeci
This study examined the individual and combined effects of potassium ferrate(VI) additions and freeze-thaw conditioning for the treatment and dewatering of wastewater sludge in cold climates, with particular focus on the inactivation of fecal coliforms and oxidation of estrogens, androgens, and progestogens. The first phase of the study evaluated the effects of potassium ferrate(VI) pre-treatment followed by freeze-thaw at -20 °C using a low (0.5 g/L) and high (5.0 g/L) dose of potassium ferrate(VI). The results showed that pre-treatment of anaerobically digested sludge with 5 g/L of potassium ferrate(VI) reduced the concentration of fecal coliforms in the sludge cake to below 100 MPN/g DS...
April 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28396101/the-effectiveness-of-treatments-for-androgenetic-alopecia-a-systematic-review-and-meta-analysis
#4
REVIEW
Areej Adil, Marshall Godwin
BACKGROUND: Androgenetic alopecia, or male pattern hair loss, is a hair loss disorder mediated by dihydrotestosterone, the potent form of testosterone. Currently, minoxidil and finasteride are Food and Drug Administration (FDA)-approved, and HairMax LaserComb, which is FDA-cleared, are the only treatments recognized by the FDA as treatments of androgenetic alopecia. OBJECTIVE: This systematic review and meta-analysis assesses the efficacy of nonsurgical treatments of androgenetic alopecia in comparison to placebo for improving hair density, thickness, growth (defined by an increased anagen:telogen ratio), or subjective global assessments done by patients and investigators...
April 7, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28392474/novel-fsh%C3%AE-mutation-in-a-male-patient-with-isolated-fsh-deficiency-and-infertility
#5
Junjie Zheng, Jangfeng Mao, Mingxuan Cui, Zhaoxiang Liu, Xi Wang, Shuyu Xiong, Min Nie, Xueyan Wu
Isolated follicle stimulating hormone (FSH) deficiency due to mutations in FSHβ is an extremely rare autosomal recessive disease that has only been reported in ten patients to date. Symptoms of the disease include amenorrhoea and hypogonadism in women and azoospermia and normal testosterone levels in men. This study describes a Chinese male patient who presented with cryptorchidism and infertility. His serum hormonal profile revealed low FSH, elevated LH and normal testosterone levels. Sequence analysis identified a novel homozygous mutation in the FSHβ gene (c...
April 6, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/28373640/a-high-fat-diet-impairs-reproduction-by-decreasing-the-il1%C3%AE-level-in-mice-treated-at-immature-stage
#6
Jie Zhang, Kai Li, Miao Yuan, Jie Zhang, Guizen Huang, Jie Ao, Haoze Tan, Yanyan Li, Di Gong, Jun Li, Lei Kang, Nini An, Fei Li, Ping Lin, Lugang Huang
Obesity causes low-grade inflammation that is involved in male infertility. Interleukin 1 beta (IL1β) plays an important role in this process. A high-fat diet (HFD) is the most common cause of obesity. However, the effect of a HFD on IL1β and its consequence in reproduction remain unclear. We established a HFD model in mice treated at immature stage (mice-TIS) and mice treated at mature stage (mice-TMS). Surprisingly, we found that a HFD decreased IL1β levels and was accompanied by an increase in testosterone in mice-TIS, while the reverse results were observed in mice-TMS...
April 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28359097/a-perspective-on-middle-aged-and-older-men-with-functional-hypogonadism-focus-on-holistic-management
#7
Mathis Grossmann, Alvin M Matsumoto
Context: Middle-aged and older men (≥50 years), especially those who are obese and suffer from comorbidities, not uncommonly present with clinical features consistent with androgen deficiency and modestly reduced testosterone levels. Commonly, such men do not demonstrate anatomical hypothalamic-pituitary-testicular axis pathology but have functional hypogonadism that is potentially reversible. Evidence Acquisition: Literature review from 1970 to October 2016. Evidence Synthesis: Although definitive randomized controlled trials are lacking, evidence suggests that in such men, lifestyle measures to achieve weight loss and optimization of comorbidities, including discontinuation of offending medications, lead to clinical improvement and a modest increase in testosterone...
March 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28344753/statin-testosterone-and-phosphodiesterase-5-inhibitor-treatments-and-age-related-mortality-in-diabetes
#8
Geoffrey Hackett, Peter W Jones, Richard C Strange, Sudarshan Ramachandran
AIM: To determine how statins, testosterone (T) replacement therapy (TRT) and phosphodiesterase 5-inhibitors (PDE5I) influence age related mortality in diabetic men. METHODS: We studied 857 diabetic men screened for the BLAST study, stratifying them (mean follow-up = 3.8 years) into: (1) Normal T levels/untreated (total T > 12 nmol/L and free T > 0.25 nmol/L), Low T/untreated and Low T/treated; (2) PDE5I/untreated and PDE5I/treated; and (3) statin/untreated and statin/treated groups...
March 15, 2017: World Journal of Diabetes
https://www.readbyqxmd.com/read/28344518/hypogonadism-in-the-hiv-infected-man
#9
REVIEW
Nicholas Wong, Miles Levy, Iain Stephenson
Low testosterone levels are frequently observed among men with treated and untreated HIV infection. However, the interpretations of biochemical measurements of testicular function are challenging and need to be considered in the context of the clinical presentation and scenario. The distinction between primary and secondary hypogonadism and determination of the underlying clinical pathophysiology are not always straightforward. Early recognition of clinical hypogonadism and appropriate treatment may improve clinical outcomes and quality of life for affected individuals...
2017: Current Treatment Options in Infectious Diseases
https://www.readbyqxmd.com/read/28342428/revealing-the-influence-of-glucocorticoid-treatment-on-the-excretion-of-anabolic-androgenic-steroids-in-horses-through-in-vitro-digestive-simulations-and-an-in-vivo-case-study
#10
Anneleen Decloedt, Sander Damen, Lynn Vanhaecke
Anabolic-androgenic steroids (AAS) are strictly forbidden in equine sports because of their stimulating effect on muscle growth and performance. Nevertheless, low levels of AAS have been found in some horses, untreated with AAS. Glucocorticoids (GC), used as an anti-inflammatory therapy and structurally related to AAS, might play a role in this phenomenon. In order to unravel this possible correlation the influence of glucocorticoid treatment on the excretion of AAS was studied both in vivo and in vitro. In vivo effects were investigated by analysing urine samples collected from a gelding treated with betamethasone...
February 24, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28325476/erectile-dysfunction-in-patients-with-nonalcoholic-fatty-liver-disease
#11
Ahmad Farooq Alsayed Hasanain, Reem Ezzat Mahdy, Ali Mohamed Abdel-Rahman Mahran, Ahmed Serag Mahmoud Safwat, Asmaa Omar Mohamed, Sherif Mohamed Abdel-Aal
BACKGROUND AND STUDY AIMS: There is a lack of studies on erectile dysfunction (ED) in patients diagnosed with nonalcoholic fatty liver disease (NAFLD). The present study aimed to estimate the prevalence of ED in patients with NAFLD and to determine the independent predictors of ED in these patients. PATIENTS AND METHODS: We conducted a prospective, hospital-based study of 192 consecutive male patients with NAFLD. All patients underwent clinical evaluation; abdominal ultrasonography; test for viral hepatitis markers; and estimation of liver chemistry panel, complete blood count, prothrombin time, serum lipids panel, serum testosterone, and fasting serum levels of glucose, insulin, and C-peptide...
March 16, 2017: Arab Journal of Gastroenterology: the Official Publication of the Pan-Arab Association of Gastroenterology
https://www.readbyqxmd.com/read/28319389/potential-antiosteoporotic-natural-product-lead-compounds-that-inhibit-17%C3%AE-hydroxysteroid-dehydrogenase-type-2
#12
Anna Vuorinen, Roger T Engeli, Susanne Leugger, Fabio Bachmann, Muhammad Akram, Atanas G Atanasov, Birgit Waltenberger, Veronika Temml, Hermann Stuppner, Liselotte Krenn, Sylvin B Ateba, Dieudonné Njamen, Rohan A Davis, Alex Odermatt, Daniela Schuster
17β-Hydroxysteroid dehydrogenase type 2 (17β-HSD2) converts the active steroid hormones estradiol, testosterone, and 5α-dihydrotestosterone into their weakly active forms estrone, Δ(4)-androstene-3,17-dione, and 5α-androstane-3,17-dione, respectively, thereby regulating cell- and tissue-specific steroid action. As reduced levels of active steroids are associated with compromised bone health and onset of osteoporosis, 17β-HSD2 is considered a target for antiosteoporotic treatment. In this study, a pharmacophore model based on 17β-HSD2 inhibitors was applied to a virtual screening of various databases containing natural products in order to discover new lead structures from nature...
March 20, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28318897/efficacy-of-off-label-augmentation-in-unipolar-depression-a-systematic-review-of-the-evidence
#13
REVIEW
Julia Kleeblatt, Felix Betzler, Laura L Kilarski, Tom Bschor, Stephan Köhler
Treatment of unipolar depression with currently available antidepressants is still unsatisfactory. Augmentation with lithium or second generation antipsychotics is an established practice in non-responders to antidepressant monotherapy, but is also associated with a substantial non-response rate and with non-tolerance. Based on a systematic review of the literature, including meta-analyses, randomized controlled trials (RCTs), non-randomized comparative studies and case studies, off-label augmentation agents (administered in addition to an antidepressant, without FDA approval for treatment of MDD) were identified and evaluated regarding their efficacy using levels of evidence...
March 16, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28316975/role-of-estrogens-in-the-size-of-neuronal-somata-of-paravaginal-ganglia-in-ovariectomized-rabbits
#14
Laura G Hernández-Aragón, Verónica García-Villamar, María de Los Ángeles Carrasco-Ruiz, Leticia Nicolás-Toledo, Arturo Ortega, Estela Cuevas-Romero, Margarita Martínez-Gómez, Francisco Castelán
We aimed to determine the role of estrogens in modulating the size of neuronal somata of paravaginal ganglia. Rabbits were allocated into control (C), ovariectomized (OVX), and OVX treated with estradiol benzoate (OVX + EB) groups to evaluate the neuronal soma area; total serum estradiol (E2) and testosterone (T) levels; the percentage of immunoreactive (ir) neurons anti-aromatase, anti-estrogen receptor (ERα, ERβ) and anti-androgen receptor (AR); the intensity of the immunostaining anti-glial cell line-derived neurotrophic factor (GDNF) and the GDNF family receptor alpha type 1 (GFRα1); and the number of satellite glial cells (SGCs) per neuron...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28315012/chlorinated-biphenyls-effect-on-estrogen-related-receptor-expression-steroid-secretion-mitochondria-ultrastructure-but-not-on-mitochondrial-membrane-potential-in-leydig-cells
#15
Agnieszka Milon, Malgorzata Opydo-Chanek, Waclaw Tworzydlo, Jerzy Galas, Laura Pardyak, Alicja Kaminska, Anna Ptak, Malgorzata Kotula-Balak
To characterize polychlorinated biphenyls (PCBs) action on Leydig cells, PCBs congeners, low-chlorinated (delor 103; d103) and high-chlorinated ones (delor 106; d106) were selected. The cells were treated according to PCBs dose (d103 or d106 0.2 ng/ml in low doses:, or 2 ng/ml in high doses) and type (d103 + d106 in low doses or 103 + 106 in high doses). After 24 h treatment with PCBs, a distinct increase in estrogen-related receptors (ERRs type α, β and γ) expression was revealed. However, the dose- and type-dependent PCBs effect was mostly exerted on ERRα expression...
March 18, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28295481/effects-of-taking-tadalafil-5%C3%A2-mg-once-daily-on-erectile-function-and-total-testosterone-levels-in-patients-with-metabolic-syndrome
#16
L Ozcan, E C Polat, R Kocaaslan, E Onen, A Otunctemur, E Ozbek
We aimed to evaluate the efficacy of tadalafil 5 mg once-daily treatment on testosterone levels in patients with erectile dysfunction (ED) accompanied by the metabolic syndrome. A total of 40 men with metabolic syndrome were evaluated for ED in this study. All the patients received 5 mg tadalafil once a day for 3 months. Erectile function was assessed using the five-item version of the International Index of Erectile Function (IIEF) questionnaire. Serum testosterone, follicle-stimulating hormone and luteinising hormone levels were also evaluated, and blood samples were taken between 08...
March 15, 2017: Andrologia
https://www.readbyqxmd.com/read/28291031/a-sex-specific-dose-response-curve-for-testosterone-could-excessive-testosterone-limit-sexual-interaction-in-women
#17
Jill M Krapf, James A Simon
Testosterone treatment increases sexual desire and well-being in women with hypoactive sexual desire disorder; however, many studies have shown only modest benefits limited to moderate doses. Unlike men, available data indicate women show a bell-shaped dose-response curve for testosterone, wherein a threshold dosage of testosterone leads to desirable sexual function effects, but exceeding this threshold results in a lack of further positive sexual effects or may have a negative impact. Emotional and physical side-effects of excess testosterone, including aggression and virilization, may counteract the modest benefits on sexual interaction, providing a possible explanation for a threshold dose of testosterone in women...
April 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28286655/metabolic-endotoxaemia-related-inflammation-is-associated-with-hypogonadism-in-overweight-men
#18
Kelton Tremellen, Natalie McPhee, Karma Pearce
BACKGROUND: Obesity is associated with both impaired testosterone production and a chronic state of low grade inflammation. Previously it was believed that this inflammation was mediated by a decline in the immunosuppressive action of testosterone. However, more recently an alternative hypothesis (GELDING theory) has suggested that inflammation originating from the passage of intestinal bacteria into the circulation (metabolic endotoxaemia) may actually be the cause of impaired testicular function in obese men...
2017: Basic and Clinical Andrology
https://www.readbyqxmd.com/read/28264478/crosstalk-of-the-androgen-receptor-with-transcriptional-collaborators-potential-therapeutic-targets-for-castration-resistant-prostate-cancer
#19
REVIEW
Daisuke Obinata, Kenichi Takayama, Satoru Takahashi, Satoshi Inoue
Prostate cancer is the second leading cause of death from cancer among males in Western countries. It is also the most commonly diagnosed male cancer in Japan. The progression of prostate cancer is mainly influenced by androgens and the androgen receptor (AR). Androgen deprivation therapy is an established therapy for advanced prostate cancer; however, prostate cancers frequently develop resistance to low testosterone levels and progress to the fatal stage called castration-resistant prostate cancer (CRPC)...
February 28, 2017: Cancers
https://www.readbyqxmd.com/read/28259255/eurycoma-longifolia-as-a-potential-adoptogen-of-male-sexual-health-a-systematic-review-on-clinical-studies
#20
REVIEW
Hnin Ei Thu, Isa Naina Mohamed, Zahid Hussain, Putri Ayu Jayusman, Ahmad Nazrun Shuid
Eurycoma longifolia (EL) has been well recognized as a booster of male sexual health. Over the past few decades, numerous in vivo animal studies and human clinical trials have been conducted across the globe to explore the promising role of EL in managing various male sexual disorders, which include erectile dysfunction, male infertility, low libido, and downregulated testosterone levels. The aim of the present review is to analyze and summarize the literature on human clinical trials which revealed the clinical significance and therapeutic feasibility of EL in improving male sexual health...
January 2017: Chinese Journal of Natural Medicines
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