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https://www.readbyqxmd.com/read/28635978/vaginal-testosterone-for-management-of-aromatase-inhibitor-related-sexual-dysfunction-an-integrative-review
#1
Emily A Lemke, Lydia T Madsen, Joyce E Dains
PROBLEM IDENTIFICATION: Women taking aromatase inhibitors (AIs) as part of the management of hormone receptor-positive breast cancer experience more symptoms of sexual dysfunction, including vaginal atrophy, as opposed to postmenopausal women and women treated with tamoxifen (Nolvadex®). Vaginal testosterone could be an alternative to estrogen, which is contraindicated in this population.
. LITERATURE SEARCH: A systematic review was completed by searching PubMed and Scopus databases...
May 1, 2017: Oncology Nursing Forum
https://www.readbyqxmd.com/read/28635608/the-protective-role-of-folic-acid-against-testicular-dysfunction-in-lead-intoxicated-rat-model
#2
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/28633436/membrane-androgen-receptor-zip9-induces-croaker-ovarian-cell-apoptosis-via-stimulatory-g-protein-alpha-subunit-and-mapkinase-signaling
#3
Aubrey Converse, Chenan Zhang, Peter Thomas
Recent studies show that androgen-induced apoptosis in Atlantic croaker primary granulosa/theca (G/T) cells and in human breast and prostate cancer cell lines is mediated by the novel membrane androgen receptor ZIP9 which belongs to the SLC39A zinc transporter family. However, the apoptotic signaling pathways remain unclear because ZIP9 activates an inhibitory G protein in human cancer cells, whereas recombinant croaker ZIP9 activates a stimulatory G protein (Gs) in transfected cancer cells. Here we investigated androgen-dependent apoptotic pathways in order to identify the signaling pathways regulated through wild-type croaker ZIP9 in ovarian follicle cells...
June 16, 2017: Endocrinology
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
#4
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
https://www.readbyqxmd.com/read/28631914/-impact-of-cpap-therapy-on-erectile-function-during-sleep-and-testosterone-level-in-men-with-sleep-apnea-syndrome
#5
I M Madaeva, O N Berdina, N V Semenova, V V Madaev, I N Gutnik, L I Kolesnikova
The article presents the results of a polysomnographic study with simultaneous monitoring spontaneous nocturnal erections - Nocturnal Penile Tumescences (NPT) in 69 men with age-related androgen deficiency (AAD). Of these, 45 patients were diagnosed with obstructive sleep apnea syndrome (OSAS). In 34 of the 45 patients with OSAS, regimens of non-invasive ventilation with positive-positive airway pressure (CPAP) were selected. Titration was carried out using automatic CPAP-devices for 2 months. The control group (n=24) comprised men with AAD, matched by the "copy-pair" type without clinical manifestations of respiratory disturbances during sleep...
June 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/28631746/prevalence-of-androgen-deficiency-in-chronic-spinal-cord-injury-patients-suffering-from-erectile-dysfunction
#6
M Behnaz, Z Majd, M Radfar, H Ajami, M Qorbani, A Kokab
STUDY DESIGN: Retrospective cross-sectional study. OBJECTIVES: To estimate the prevalence of biochemical androgen deficiency in Iranian spinal cord injured men suffering from erectile dysfunction (ED) and to determine factors related to this problem. SETTING: An andrology clinic of a teaching hospital in Tehran. METHODS: Men, 18 years of age and older, with chronic (>2 years) spinal cord injury (SCI) suffering from ED were recruited...
June 20, 2017: Spinal Cord
https://www.readbyqxmd.com/read/28629624/the-protective-role-of-oestradiol-against-silent-myocardial-ischemia-and-hypertension-risk-in-south-african-men-the-sabpa-study
#7
Nicolaas T Malan, Roland von Känel, Hendrik S Steyn, Ruan Kruger, Leoné Malan
BACKGROUND: Oestradiol has a protective effect on coronary artery health in women but the effect it has on men, is controversial. A translational approach was followed to assess whether sex hormone levels are associated with silent myocardial ischemia (SMI) and hypertension risk over a 3year period. METHODS: Participants included 89 Black and 91 White men (aged 21-63years) participating in both phases of the Sympathetic activity and Ambulatory Blood Pressure in Africans prospective study...
June 8, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28627902/responses-to-dominance-challenge-are-a-function-of-psychopathy-level-a-multimethod-study
#8
Jill Lobbestael, Arnoud Arntz, Marisol Voncken, Michael Potegal
This study assesses the relationship between psychopathy and dominance, both as a trait level and in 2 interpersonal contexts. Following the interpersonal circumplex model, we expected that interacting with a dominant interviewer would reduce dominance displays by low psychopathy participants (interpersonal complementarity) but might increase such displays in those with higher psychopathy (anticomplementarity). Psychopathic traits and dominance were assessed in a community sample (N = 91) using multiple dominance indicators: self-reported overall dominance level, job preference, dominance displays observed during identical interviews with a subordinate and dominant interviewer, and baseline and postinterview measures of personal space and testosterone level...
June 19, 2017: Personality Disorders
https://www.readbyqxmd.com/read/28627195/exercise-improved-semen-quality-and-reproductive-hormone-levels-in-sedentary-obese-adults
#9
Miguel Ángel Rosety, Antonio Jesus Díaz, Jesús María Rosety, María Teresa Pery, Francisco Brenes-Martín, Marco Bernardi, Natalia García, Manuel Rosety-Rodríguez, Francisco Javier Ordoñez, Ignacio Rosety
INTRODUCTION: From the previously published literature on the relationship between obesity and infertility, it is clear that male obesity negatively impacts semen quality. Accordingly, this study was conducted to determine whether regular exercise may improve semen quality in sedentary obese adults. MATERIAL AND METHODS: Ninety obese adults were randomly allocated to the intervention (n = 45) or control group (n = 45). Participants in the intervention group performed a 16-week aerobic training program in a treadmill, three sessions per week, consisting of a warm-up (10-15 minutes), 35-50 minutes treadmill exercise (increasing five minutes per four weeks) at a work intensity of 50-65% of peak heart rate (increasing a 5% per four weeks) and cooling-down (5-10 minutes)...
June 5, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28626636/an-examination-of-endoparasites-and-fecal-testosterone-levels-in-flying-squirrels-glaucomys-spp-using-high-performance-liquid-chromatography-ultra-violet-hplc-uv
#10
Sarah N Waksmonski, Justin M Huffman, Carolyn G Mahan, Michael A Steele
The immuno-competence hypothesis proposes that higher levels of testosterone increases the susceptibility to parasitism. Here we examined the testosterone levels in two species of flying squirrels (Glaucomys): one known to regularly host a nematode species (Strongyloides robustus) without ill effects (G. volans) and a closely related species that is considered negatively affected by the parasite. We quantified fecal testosterone levels in northern and southern flying squirrels (G. sabrinus, G. volans) with high-performance liquid chromatography-ultraviolet spectroscopy (HPLC-UV), and compared levels to endoparasites detected in individual squirrels...
August 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28626448/the-common-follicle-stimulating-hormone-receptor-fshr-promoter-polymorphism-fshr-29g%C3%A2-%C3%A2-a-affects-androgen-production-in-normal-human-small-antral-follicles
#11
Tanni Borgbo, Hana Klučková, Milan Macek, Jana Chrudimska, Stine Gry Kristensen, Lise Lotte Hansen, Claus Yding Andersen
Follicle-stimulating hormone receptors (FSHRs) are almost exclusively expressed on granulosa cells, and FSH action is probably most clearly reflected in intrafollicular hormone milieu of antral follicles. Little is known about the possible effects of the common single nucleotide polymorphism (SNP) FSHR -29G > A (rs1394205) on hormonal conditions in humsan small antral follicles (hSAFs) obtained from women in the natural menstrual cycle. This study investigated the follicle fluid (FF) concentrations of anti-Müllerian hormone, estradiol, progesterone, androstenedione, and testosterone in hSAF in relation to the different genotypes of FSHR -29G > A...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28625952/daily-consumption-of-commercial-chicken-feed-and-meat-lead-to-alterations-in-serum-cholesterol-and-steroidal-sex-hormones-in-female-rats
#12
Saara Ahmad, Iftikhar Ahmed, Saida Haider, Zehra Batool, Saad Bilal Ahmed
Poultry consumption is increased worldwide owing to better taste, easy availability and low cost. The present study was designed to investigate the effects of the chicken feed, conventional chicken meat and organic chicken meat on the % growth rate, serum cholesterol, progesterone, testosterone and estrogen levels in female rats. Hundred female Albino Wistar rats were randomly assigned to four groups (n=25). Group I was control rats fed on standard chow, group II treated with commercial chicken feed, group III rats fed with conventional chicken meat and group IV with organic chicken meat for a period of 6 weeks...
January 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28624954/ar-mutations-in-28-patients-with-androgen-insensitivity-syndrome-prader-grade-0-3
#13
Yi Wang, Chunxiu Gong, Xiou Wang, Miao Qin
We investigated the androgen receptor (AR) gene mutation profiles of Chinese patients exhibiting severe androgen insensitivity syndrome (AIS) phenotypes. The present study enrolled 28 patients with genetically diagnosed AIS, who presented with severe phenotypes (Prader grade 0-3). Patients and some family members were screened via amplification and sequencing of their AR exons 1-8, including the corresponding intronic flanking regions. Luteinizing (LH), follicle-stimulating (FSH), and testosterone (T) hormone levels were found to be slightly, but not significantly, higher in patients with complete androgen insensitivity syndrome (CAIS) than in patients with partial androgen insensitivity syndrome (PAIS) (P>0...
June 14, 2017: Science China. Life Sciences
https://www.readbyqxmd.com/read/28624941/does-static-electric-field-from-ultra-high-voltage-direct-current-transmission-lines-affect-male-reproductive-capacity-evidence-from-a-laboratory-study-on-male-mice
#14
Sixia Wu, Guoqing Di, Zhengguang Li
With the development of ultra-high-voltage direct-current (UHVDC) transmission technology and increase in transmission voltage, the issue of environmental static electric field (SEF) pollution is standing out and its possible health effects have caused much public attention. In this study, the effects of chronic exposure to SEF on reproductive capacity of male mice were investigated. Twenty Institute of Cancer Research (ICR) mice were exposed to SEF (56.3 ± 1.4 kV/m, 49 days) generated by a high-voltage device...
June 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28624501/new-biomarkers-for-diagnosis-and-management-of-polycystic-ovary-syndrome
#15
REVIEW
Sidika E Karakas
Polycystic ovary syndrome (PCOS) is the most common endocrine disorder affecting young women. Even though the definition of PCOS has changed over the years, all diagnostic criteria include two or more of the following: oligomenorrhea/oligoovulation/anovulation, androgen excess and polycystic ovaries (PCO). Traditional method of assessing the ovarian morphology has been transvaginal pelvic ultrasound. Recent studies support that serum anti-Mullerian hormone (AMH) levels correlate with the number of ovarian follicles and cysts...
June 14, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28623529/ameliorative-effect-of-omega-3-on-spermatogenesis-testicular-antioxidant-status-and-preimplantation-embryo-development-in-streptozotocin-induced-diabetes-in-rats
#16
Mehdi Khavarimehr, Vahid Nejati, Mazdak Razi, Gholamreza Najafi
PURPOSE: The present study was done to determine the ameliorative effect of polyunsaturated fatty acid omega-3 against experimental diabetes-induced damages on testicular tissue, sperm parameters and preimplantation embryo development in rat model. METHODS: Thirty-two mature male rats were divided into two control and test groups. The experimental diabetes (50 mg kg(-1) streptozotocin, ip) was induced in test group and subdivided into non-treated diabetic, 300 and 600 mg kg(-1) omega-3-treated (orally by gavage) groups...
June 16, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28622464/the-impact-of-drugs-on-male-fertility-a-review
#17
REVIEW
M Semet, M Paci, J Saïas-Magnan, C Metzler-Guillemain, R Boissier, H Lejeune, J Perrin
Beside cytotoxic drugs, other drugs can impact men's fertility through various mechanisms. Via the modification of the hypothalamic-pituitary-gonadal axis hormones or by non-hormonal mechanisms, drugs may directly and indirectly induce sexual dysfunction and spermatogenesis impairment and alteration of epididymal maturation. This systematic literature review summarizes existing data about the negative impact and associations of pharmacological treatments on male fertility (excluding cytotoxic drugs), with a view to making these data more readily available for medical staff...
June 16, 2017: Andrology
https://www.readbyqxmd.com/read/28620256/effects-of-season-and-artificial-photoperiod-on-semen-and-seminal-plasma-characteristics-in-bucks-of-two-goat-breeds-maintained-in-a-semen-collection-center
#18
Francisco Arrebola, José-Alfonso Abecia
AIM: This study quantified the effects of season and photoperiodic treatment on semen and seminal plasma (SP) characteristics in 12 bucks of two Spanish goat breeds (Murciano-Granadina, and Payoya) for the past 1 year. MATERIALS AND METHODS: A total of 6 bucks (three of each breed) were exposed to the natural day length and the other six males (three of each breed) were exposed to alternating conditions of 2 months of long days (16 h light) and 2 months of short days (8 h light)...
May 2017: Veterinary World
https://www.readbyqxmd.com/read/28619389/the-promising-effect-of-linagliptin-and-or-indole-3-carbinol-on-experimentally-induced-polycystic-ovarian-syndrome-the-role-of-transforming-growth-factor-beta-1-oxidative-stress-and-nrf2-ho-1-pathway
#19
Ahmed M Kabel, Aisha H Al-Shehri, Rehab A Altalhi
Polycystic ovarian syndrome (PCOS) is one of the most common medical condition that leads to female infertility worldwide. The aim of this study was to assess the effect of linagliptin and/or indole-3-carbinol (I3C) on PCOS in female rats. Fifty female Wistar rats were randomly allocated into five equal groups: Control group; Letrozole induced PCOS group; Letrozole + Linagliptin group; Letrozole + I3C group and Letrozole + Linagliptin + I3C group. Body weight, body mass index, Lee index and ovarian indices were determined...
June 12, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28619249/metabolism-of-sex-steroids-is-influenced-by-acquired-adiposity-a-study-of-young-adult-male-monozygotic-twin-pairs
#20
Veera Vihma, Jussi Naukkarinen, Ursula Turpeinen, Esa Hämäläinen, Jaakko Kaprio, Aila Rissanen, Sini Heinonen, Antti Hakkarainen, Jesper Lundbom, Nina Lundbom, Tomi S Mikkola, Matti J Tikkanen, Kirsi H Pietiläinen
Obesity and ageing are associated with lower serum testosterone levels in men. How fat distribution or adipose tissue metabolism, independent of genetic factors and age, are related to sex steroid metabolism is less clear. We studied the associations between adiposity and serum sex hormone concentrations, and mRNA expression of genes regulating sex hormone metabolism in adipose tissue in young adult male monozygotic (MZ) twin pairs. The subjects [n=18 pairs; mean age, 32 years; individual body mass indexes (BMIs) 22-36kg/m(2)] included 9 male MZ twin pairs discordant for BMI [intra-pair difference (Δ) in BMI ≥3kg/m(2)]...
June 12, 2017: Journal of Steroid Biochemistry and Molecular Biology
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