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https://www.readbyqxmd.com/read/29025204/insulin-resistance-and-bone-age-advancement-in-girls-with-central-precocious-puberty
#1
Jin Ho Hur, Sora Park, Mo Kyung Jung, Seok Jin Kang, Ahreum Kwon, Hyun Wook Chae, Ho-Seong Kim, Duk Hee Kim
PURPOSE: Precocious puberty has significantly increased recently. While obesity is associated with puberty timing, the relationship between obesity and central precocious puberty (CPP) remains controversial. The purpose of this study was to determine whether insulin resistance is associated with bone age (BA) advancement in girls with CPP. METHODS: We retrospectively analyzed the records of 804 girls referred for puberty evaluation. Anthropometric measurements, BA, sex hormone, sex hormone binding globulin (SHBG), and insulin levels, lipid profiles, and gonadotropin releasing hormone stimulation tests were assessed...
September 2017: Annals of Pediatric Endocrinology & Metabolism
https://www.readbyqxmd.com/read/29020282/elevated-levels-of-estradiol-in-hiv-positive-pregnant-women-on-protease-inhibitor-based-regimens
#2
Kayode A Balogun, Monica Guzman Lenis, Eszter Papp, Mona Loutfy, Mark H Yudin, Jay MacGillivray, Sharon L Walmsley, Michael Silverman, Lena Serghides
Background: HIV-positive pregnant women on protease inhibitor (PI)-based combination antiretroviral therapy (cART) have a greater risk for adverse birth outcomes, and an association with steroid hormone levels has been implicated. The objective of this study was to investigate the association between PI-cART and estradiol levels in pregnancy. Methods: Fifty-five HIV-positive and 49 HIV-negative Canadian pregnant women were followed prospectively throughout gestation...
August 24, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29018156/the-effect-of-atorvastatin-on-pancreatic-beta-cell-requirement-in-women-with-polycystic-ovary-syndrome
#3
Thozhukat Sathyapalan, Anne-Marie Coady, Eric Kilpatrick, Stephen Atkin
BACKGROUND: There is an increased risk of developing T2DM in women with polycystic ovary syndrome (PCOS) and there is evidence that statins improve metabolic parameters in these patients. However, there is some data to show that statins increase the risk of incipient diabetes. MATERIAL AND METHODS: We have previously shown that 12-weeks of atorvastatin improves insulin resistance when measured using HOMA-IR. This post hoc-analysis was designed to look at the effect of atorvastatin on pancreatic β cell function using HOMA-β in the same study...
October 10, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28992603/sex-steroid-hormones-and-sex-hormone-binding-globulin-levels-cyp17-msp-ai-34t-c-and-cyp19-codon-39-trp-arg-variants-in-children-with-developmental-stuttering
#4
Hiwa Mohammadi, Mohammad Taghi Joghataei, Zohreh Rahimi, Faezeh Faghihi, Habibolah Khazaie, Hashem Farhangdoost, Masoud Mehrpour
Developmental stuttering is known to be a sexually dimorphic and male-biased speech motor control disorder. In the present case-control study, we investigated the relationship between developmental stuttering and steroid hormones. Serum levels of testosterone, dihydrotestosterone (DHT), dehydroepiandrosterone (DHEA), oestradiol, progesterone, cortisol, and sex hormone binding globulin (SHBG), as well as the 2nd/4th digit ratio (2D:4D), an indicator of prenatal testosterone level, were compared between children who stutter (CWS) and children who do not stutter (CWNS)...
October 6, 2017: Brain and Language
https://www.readbyqxmd.com/read/28981994/contributors-to-the-substantial-variation-in-on-treatment-testosterone-levels-in-men-receiving-transdermal-testosterone-gels-in-randomized-trials
#5
S Bhasin, T G Travison, L O'Brien, J MacKrell, V Krishnan, H Ouyang, K Pencina, S Basaria
There is substantial inter-individual variability in serum testosterone levels in hypogonadal men treated with testosterone gels. We aimed to elucidate participant-level factors that contribute to inter-individual variability in testosterone levels during testosterone therapy. An exploratory aim was to determine whether polymorphisms in genes encoding testosterone-metabolizing enzymes could explain the variation in on-treatment testosterone concentrations in men who were randomized to testosterone arm in TOM Trial...
October 5, 2017: Andrology
https://www.readbyqxmd.com/read/28972598/evaluation-of-occupational-physical-load-during-6-month-international-crisis-management-operation
#6
Kai Pihlainen, Matti Santtila, Tommi Vasankari, Keijo Häkkinen, Heikki Kyröläinen
OBJECTIVES: Generally, operational military duties are associated with a variety of stressors, such as prolonged physical activity (PA). However, limited information is available on the occupational workload or changes in PA during international military operations. Thus, the aim of the study was to investigate the changes in body composition, stress biomarkers, PA, and heart rate (HR) responses of 79 male soldiers during a 6-month international crisis management operation. MATERIAL AND METHODS: Measurements were conducted 3 times in South-Lebanon during the operation...
October 2, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28971497/circulating-and-intraprostatic-sex-steroid-hormonal-profiles-in-relation-to-male-pattern-baldness-and-chest-hair-density-among-men-diagnosed-with-localized-prostate-cancers
#7
Cindy Ke Zhou, Frank Z Stanczyk, Muhannad Hafi, Carmela C Veneroso, Barlow Lynch, Roni T Falk, Shelley Niwa, Eric Emanuel, Yu-Tang Gao, George P Hemstreet, Ladan Zolfghari, Peter R Carroll, Michael J Manyak, Isabell A Sesterhenn, Paul H Levine, Ann W Hsing, Michael B Cook
BACKGROUND: Prospective cohort studies of circulating sex steroid hormones and prostate cancer risk have not provided a consistent association, despite evidence from animal and clinical studies. However, studies using male pattern baldness as a proxy of early-life or cumulative androgen exposure have reported significant associations with aggressive and fatal prostate cancer risk. Given that androgens underlie the development of patterned hair loss and chest hair, we assessed whether these two dermatological characteristics were associated with circulating and intraprostatic concentrations of sex steroid hormones among men diagnosed with localized prostate cancer...
October 2, 2017: Prostate
https://www.readbyqxmd.com/read/28964327/performance-of-first-trimester-biochemical-markers-and-mean-arterial-pressure-in-prediction-of-early-onset-pre-eclampsia
#8
Jaana Nevalainen, Teemu Korpimaki, Heikki Kouru, Mikko Sairanen, Markku Ryynanen
OBJECTIVE: To develop a predictive risk model for early-onset pre-eclampsia (EO-PE) using maternal characteristics, combined screening markers, previously reported biomarkers for PE and mean arterial pressure (MAP). METHODS: This retrospective study was conducted at Oulu University hospital between 2006 and 2010. Maternal serum from first trimester combined screening was further analyzed for alpha fetoprotein (AFP), placental growth factor (PlGF), soluble tumor necrosis factor receptor-1 (sTNFR1), retinol binding protein-4 (RBP4), a disintegrin and metalloprotease-12 (ADAM12), soluble P-selectin (sP-selectin), follistatin like-3 (FSTL3), adiponectin, angiopoietin-2 (Ang-2) and sex hormone binding globulin (SHBG)...
October 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28958048/evaluating-calculated-free-testosterone-as-a-predictor-of-morbidity-and-mortality-independent-of-testosterone-for-cross-sectional-and-5-year-longitudinal-health-outcomes-in-older-men-the-concord-health-and-ageing-in-men-project
#9
Benjumin Hsu, Robert G Cumming, Fiona M Blyth, Vasi Naganathan, Louise M Waite, David G Le Couteur, Markus J Seibel, David J Handelsman
To determine whether calculated free testosterone (cFT) provides prognostic information independent of serum T for predicting morbidity and mortality in older men in cross-sectional and 5-year longitudinal analyses. We studied men aged ≥70 years at baseline (n=1705), 2-year and 5-year measuring serum T (liquid chromatography-mass spectrometry), SHBG (immunoassay), cFT (an assumption-free empirical formula) together with 24 morbidity and 4 mortality outcomes. For cross-sectional and longitudinal analyses we employed a joint prediction model using generalized estimating equation models adjusted for age, smoking, comorbidities and BMI with men having both normal T and normal cFT as referent group...
September 15, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28950181/cross-sectional-study-of-the-determinants-and-associations-of-sex-hormone-binding-globulin-concentrations-in-first-degree-relatives-fdr-of-patients-with-type-2-diabetes-mellitus
#10
N A Abdella, O A Mojiminiyi
AIMS: This study explores the determinants of sex hormone binding globulin (SHBG) and associations with categories of glucose intolerance and undiagnosed diabetes in first-degree relatives (FDR) of patients with Type 2 Diabetes Mellitus (T2D). METHODS: Anthropometric indices, fasting lipids, glucose, insulin, adiponectin, leptin, SHBG, estradiol (E2), testosterone (TT), androstenedione (AND), dehydroepiandrosterone sulphate (DHEA-S), high-sensitivity C-reactive protein (hs-CRP) and alanine aminotransferase (ALT) were measured in 584 FDR...
September 5, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28947831/resveratrol-increases-hepatic-shbg-expression-through-human-constitutive-androstane-receptor-a-new-contribution-to-the-french-paradox
#11
Cristina Saez-Lopez, Laura Brianso-Llort, Javier Torres-Torrenteras, Rafael Simó, Geoffrey L Hammond, David M Selva
Sex hormone-binding globulin (SHBG) carries sex steroids in blood regulating their bioavailability. Red wine consumption increases plasma SHBG levels, and we have discovered that resveratrol, a polyphenol enriched in red wine, acts specifically through the human constitutive androstane receptor (CAR), a drug/xenobiotic detoxification gene regulator, to increase hepatic SHBG production. Chromatin immunoprecipitation and luciferase reporter gene assays show that human CAR binds to a typical direct repeat 1 nuclear hormone receptor-binding element in the human SHBG proximal promoter...
September 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28945897/body-composition-and-ectopic-lipid-changes-with-biochemical-control-of-acromegaly
#12
Miriam A Bredella, Melanie Schorr, Laura E Dichtel, Anu V Gerweck, Brian J Young, Whitney W Woodmansee, Brooke Swearingen, Karen K Miller
Context: Acromegaly is characterized by GH and IGF-1 hypersecretion, and GH and IGF-1 play important roles in regulating body composition and glucose homeostasis. Objective: The purpose of our study was to investigate body composition, including ectopic lipids, measures of glucose homeostasis, and gonadal steroids in patients with active acromegaly compared to age-, BMI-, and sex-matched controls and to determine changes in those parameters following biochemical control of acromegaly...
September 18, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28945276/progressive-impairment-of-testicular-endocrine-function-in-ageing-men-testosterone-and-dihydrotestosterone-decrease-and-luteinizing-hormone-increases-in-men-transitioning-from-the-8th-to-9th-decades-of-life
#13
Bu B Yeap, Laurens Manning, S A Paul Chubb, David J Handelsman, Osvaldo P Almeida, Graeme J Hankey, Leon Flicker
CONTEXT: Sex hormone trajectories in ageing men and their health implications remain unclear. We examined longitudinal trajectories and associations of testosterone (T), dihydrotestosterone (DHT), oestradiol (E2), luteinizing hormone (LH) and sex hormone-binding globulin (SHBG) in oldest old men. DESIGN: Prospective cohort study. PARTICIPANTS: We studied 1025 community-dwelling men median age 75.1 years at baseline with 8.6 years of follow-up...
September 25, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28941255/effects-of-placebo-controlled-insulin-sensitizing-drugs-on-hormonal-parameters-in-polycystic-ovary-syndrome-patients-a-network-meta-analysis
#14
Yong-Hui Dai, Rong Huang, Peng-Fei Zhao, Jian-Hua Xu, Dong-Dong Liu, Fu-Dong Luo
This network meta-analysis was conducted to compare effects of different placebo-controlled insulin-sensitizing drugs, including metformin, pioglitazone, rosiglitazone and troglitazone on hormonal parameters in polycystic ovary syndrome (PCOS) patients. We searched PubMed, EMBASE and Cochrane Library databases from their inception to July 2017. Randomized controlled trials (RCTs) met our inclusion criteria were included. We combined direct and indirect evidences to evaluate weighted mean difference (WMD) value and draw surface under the cumulative ranking curve (SUCRA)...
September 23, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28940857/prevalence-of-dermatologic-manifestations-and-metabolic-biomarkers-in-women-with-polycystic-ovary-syndrome-in-north-china
#15
Jin-Ge Feng, Yan Guo, Li-Ang Ma, Jin Xing, Rui-Feng Sun, Wei Zhu
BACKGROUND: Cutaneous features of hyperandrogenism in polycystic ovary syndrome (PCOS) include acne, hirsutism, seborrhea, androgenic alopecia (AGA), and acanthosis nigricans (AN). However, the relationships have not been well known broadly in terms of clinical hyperandrogenism and biochemical markers. OBJECTIVES: The aim of this study was to investigate biochemical and metabolic parameters in relation to cutaneous characters women in with and without PCOS. METHODS: This was a cross-sectional retrospective study including 186 women with PCOS and 113 age-matched without PCOS women...
September 21, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28938480/dysregulation-of-the-anti-m%C3%A3-llerian-hormone-system-by-steroids-in-women-with-polycystic-ovary-syndrome
#16
Alice Pierre, Joëlle Taieb, Frank Giton, Michaël Grynberg, Salma Touleimat, Hady El Hachem, Renato Fanchin, Danielle Monniaux, Joëlle Cohen-Tannoudji, Nathalie di Clemente, Chrystèle Racine
Context: Anti-Müllerian hormone (AMH) and AMH type II receptor (AMHR2) are overexpressed in granulosa cells (GCs) from women with polycystic ovary syndrome (PCOS), the most common cause of female infertility. Objective: The aim of the study was to compare the regulation of the AMH/AMHR2 system by 5α-dihydrotestosterone (5α-DHT) and estradiol (E2) in GCs from control and PCOS women. Design, Setting, Patients: Experiments were performed on follicular fluids (FF) and GCs from women undergoing in vitro fertilization...
August 16, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28938446/vitamin-d-and-testosterone-in-healthy-men-a-randomized-controlled-trial
#17
Elisabeth Lerchbaum, Stefan Pilz, Christian Trummer, Verena Schwetz, Oliver Pachernegg, Annemieke C Heijboer, Barbara Obermayer-Pietsch
Context: Available evidence shows an association of vitamin D with androgen levels in men. However, results from preliminary randomized controlled trials (RCTs) are conflicting. Objective: To evaluate whether vitamin D supplementation increases total testosterone (TT) levels in healthy men. Design: The Graz Vitamin D&TT-RCT is a single-center, double-blind, randomized placebo-controlled trial conducted between December 2012 and January 2017...
August 29, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28935356/repeated-measures-of-urinary-polycyclic-aromatic-hydrocarbon-metabolites-in-relation-to-altered-reproductive-hormones-a-cross-sectional-study-in-china
#18
Pan Yang, Huan Sun, Ya-Jie Gong, Yi-Xin Wang, Chong Liu, Ying-Jun Chen, Li Sun, Li-Li Huang, Song-Hua Ai, Wen-Qing Lu, Qiang Zeng
BACKGROUND: Polycyclic aromatic hydrocarbons (PAHs) are a group of ubiquitous environmental pollutants. In vivo and in vitro studies have demonstrated that PAHs can alter endocrine function, yet evidence from human studies is limited. OBJECTIVES: The objective of this study was to investigate whether environmental exposure to PAHs was associated with altered reproductive hormone levels, using repeated measures of urinary OH-PAHs as biomarkers. METHODS: We measured 10 monohydroxylated PAHs (OH-PAHs) in repeated urine samples from 371 men in an infertility clinic in Wuhan, China...
September 12, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/28927970/hormonal-response-patterns-are-differentially-influenced-by-physical-conditioning-programs-during-basic-military-training
#19
Jace R Drain, Herbert Groeller, Simon D Burley, Bradley C Nindl
OBJECTIVES: Compare traditional military physical training and more contemporary physical training on catabolic and anabolic hormones and body composition in recruits undertaking basic military training (BMT). DESIGN: A prospective cross-sectional study design. METHODS: Two recruit intakes were assessed over the 12-week Australian Army BMT course. The control group (CON) comprised 40 recruits (26M/14F) and the experimental group (EXP) comprised 35 recruits (25M/10F)...
September 6, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28920502/clinical-and-metabolic-characteristics-of-turkish-adolescents-with-polycystic-ovary-syndrome
#20
Seda Ates, Serdar Aydın, Pinar Ozcan, Zeynep Soyman, Ayse Filiz Gokmen Karasu, Osman Sevket
The aim of this study was to investigate the clinical, endocrine, metabolic features and prevalence of metabolic syndrome (MBS) in Turkish adolescents with polycystic ovary syndrome (PCOS) and the differences in metabolic parameters between adolescent PCOS with or without the presence of polycystic ovaries (PCO) on ultrasound. Subjects (n = 77) were classified into two groups: oligomenorrhea (O) and clinical and/or biochemical hyperandrogenism (HA) (n = 38), without PCO and O + HA with PCO (n = 39)...
September 18, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
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