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https://www.readbyqxmd.com/read/28651370/changes-in-visceral-adiposity-subcutaneous-adiposity-and-sex-hormones-in-the-diabetes-prevention-program
#1
Catherine Kim, Dana Dabelea, Rita R Kalyani, Costas A Christophi, George A Bray, Xavier Pi-Sunyer, Christine H Darwin, Swaytha Yalamanchi, Elizabeth Barrett-Connor, Sherita Hill Golden, Edward J Boyko
Context: The degree to which changes in visceral adipose tissue (VAT) and subcutaneous adipose tissue (SAT) relate to corresponding changes in plasma sex steroids is not known. Objective: We examined whether changes in VAT and SAT areas assessed by computed tomography were associated with changes in sex hormones (dehydroepiandrosterone [DHEAS], testosterone, estradiol, estrone, and sex hormone binding globulin [SHBG]) among Diabetes Prevention Program participants...
June 23, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28640164/associations-between-postmenopausal-endogenous-sex-hormones-and-c-reactive-protein-a-clearer-picture-with-regional-adiposity-adjustment
#2
Shannon M Conroy, Heather K Neilson, Rachel O'Reilly, Christy G Woolcott, Frank Z Stanczyk, Kerry S Courneya, Christine M Friedenreich
OBJECTIVE: To better understand the pathogenesis of inflammatory-related diseases after menopause, we studied the adiposity-independent association between endogenous sex hormones and C-reactive protein (CRP), a biomarker of inflammation. METHODS: We conducted a secondary, cross-sectional analysis of baseline data from the Alberta Physical Activity and Breast Cancer Prevention Trial (2003-2007), including 319 healthy, postmenopausal women not using hormone therapy...
June 19, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28637469/impact-of-phthalate-and-bpa-exposure-during-in-utero-windows-of-susceptibility-on-reproductive-hormones-and-sexual-maturation-in-peripubertal-males
#3
Deborah J Watkins, Brisa N Sánchez, Martha Maria Téllez-Rojo, Joyce M Lee, Adriana Mercado-García, Clara Blank-Goldenberg, Karen E Peterson, John D Meeker
BACKGROUND: Phthalates and BPA are endocrine disrupting chemicals (EDCs) widely used in consumer products. Evidence suggests that phthalate and BPA exposure alters steroid hormone levels in adults, while in utero exposure has been associated with altered fetal reproductive development in boys. However, the impact of exposure during distinct critical windows of in utero development on hormone concentrations and sexual maturation during the pubertal transition has not been examined. The objective of this study was to assess trimester-specific in utero phthalate and BPA exposure in relation to measures of reproductive development among peripubertal boys in a Mexico City birth cohort...
June 21, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28624501/new-biomarkers-for-diagnosis-and-management-of-polycystic-ovary-syndrome
#4
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 15, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28619249/metabolism-of-sex-steroids-is-influenced-by-acquired-adiposity-a-study-of-young-adult-male-monozygotic-twin-pairs
#5
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
https://www.readbyqxmd.com/read/28597496/elevated-anti-mullerian-hormone-in-lean-women-may-not-indicate-polycystic-ovarian-syndrome
#6
Rachel A Bradbury, Paul Lee, Howard C Smith
BACKGROUND: Polycystic ovarian syndrome (PCOS) is a heterogeneous disorder with clinical features shared with functional hypogonadotrophic hypogonadism (FHH). AIM: To investigate the usefulness of an elevated (>40 pmol/L) anti-Mullerian hormone (AMH) in identifying PCOS and distinguishing PCOS from FHH. MATERIALS AND METHODS: 141 patients with an elevated AMH and body mass index either <20 kg/m(2) (lean) or >30 kg/m(2) (obese) were selected and three subgroups analysed - obese, lean, lean with suspected FHH...
June 9, 2017: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/28595175/untreated-psoriasis-impairs-male-fertility-a-case-control-study
#7
Giacomo Caldarola, Domenico Milardi, Giuseppe Grande, Andrea Quercia, Silvia Baroni, Renato Morelli, Riccardo Marana, Alfredo Pontecorvi, Clara De Simone, Ketty Peris
BACKGROUND: Recent evidence indicates that a systemic state of inflammation may impair fertility, but data about psoriatic males are scarce. OBJECTIVES: The aim of this study was to assess gonadal function in psoriatic males implementing our knowledge about fertility in these subjects. METHODS: Male psoriatic patients, aged between 18 and 55 years, and a group of healthy subjects matched for age, BMI and geographic origin were enrolled. All subjects underwent a complete physical and andrological examination, standard semen analysis, complete microbiological analysis and ultrasound evaluation of sexual glands...
June 9, 2017: Dermatology: International Journal for Clinical and Investigative Dermatology
https://www.readbyqxmd.com/read/28593921/hyperandrogenism-in-adolescent-girls-relationship-with-the-somatotrophic-axis
#8
María Isabel Hernandez, Patricia López, Ximena Gaete, Claudio Villarroel, Gabriel Cavada, Alejandra Avila, German Iñiguez, Fernando Cassorla
BACKGROUND: During puberty there is a physiologic increase in adrenal and ovarian androgens. It has been suggested that the somatotrophic axis may be related to the development of hyperandrogenism and anovulation in non-obese adult women with polycystic ovarian syndrome (PCOS). The objective of the study was to investigate whether ovarian androgen secretion in young postmenarchal girls is related to the function of their somatotropic axis. METHODS: This was a cross-sectional study of adolescent girls...
May 1, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28581026/cross-sectional-association-between-testosterone-sex-hormone-binding-globulin-and-metabolic-syndrome-the-healthy-twin-study
#9
Heesun Moon, Inyoung Choi, Somi Kim, Hyeonyoung Ko, Jinyoung Shin, Kayoung Lee, Joohon Sung, Yun-Mi Song
OBJECTIVES: This study evaluated an association between testosterone, sex hormone-binding globulin (SHBG) and metabolic syndrome (MetS).We also evaluated the genetic and environmental influence on the association. DESIGN: Cross-sectional. SETTING: Community-based study. PARTICIPANTS: A total of 1,098 Korean adult men including 139 monozygotic twin pairs. MAIN OUTCOME MEASURE: MetS was defined using the National Cholesterol Education Program-Third Adult Treatment Panel (NCEP-ATP III) and International Diabetes Federation (IDF) criteria...
June 5, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28579309/genetic-variation-in-the-first-pass-metabolism-of-ethinylestradiol-sex-hormone-binding-globulin-levels-and-venous-thrombosis-risk
#10
Bernardine H Stegeman, Hans L Vos, Frans M Helmerhorst, Frits R Rosendaal, Pieter H Reitsma, Astrid van Hylckama Vlieg
BACKGROUND: Use of ethinylestradiol, one of the active ingredients in combined oral contraceptives, affects the incidence of venous thrombosis. To explain why some women develop thrombosis when using oral contraceptives and others do not, we hypothesized a role for the first-pass metabolism of ethinylestradiol in the liver. We set out to determine the association between genetic variation in the first-pass metabolism of ethinylestradiol, venous thrombosis risk and the effect on Sex-hormone-binding-globulin (SHBG) levels...
July 2017: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/28577342/lower-shbg-level-is-associated-with-higher-leptin-and-lower-adiponectin-levels-as-well-as-metabolic-syndrome-independent-of-testosterone
#11
Chia-Chu Liu, Shu-Pin Huang, Kai-Hung Cheng, Tusty-Jiuan Hsieh, Chun-Nung Huang, Chii-Jye Wang, Hsin-Chih Yeh, Chia-Chun Tsai, Bo-Ying Bao, Wen-Jeng Wu, Yung-Chin Lee
In addition to testosterone (T), the emerging role of sex hormone-binding globulin (SHBG) in pathogenesis of metabolic syndrome (MetS) has been noted recently. However, reports of associations with serum adipocytokine levels are still limited. Therefore, we conducted this study to evaluate whether serum T and SHBG levels are independent predictors for the risk of MetS that are associated with adiponectin and leptin levels in 614 Taiwanese men over 40 years old collected from a free health screening. Subjects in the lowest quartile of TT and SHBG levels are exposed to a 1...
June 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28575537/association-between-biochemical-hyperandrogenism-parameters-and-ferriman-gallwey-score-in-patients-with-polycystic-ovary-syndrome-a-systematic-review-and-meta-regression-analysis
#12
Mina Amiri, Fahimeh Ramezani Tehrani, Fatemeh Nahidi, Razieh Bidhendi Yarandi, Samira Behboudi-Gandevani, Fereidoun Azizi
BACKGROUND AND OBJECTIVE: A limited number of studies have evaluated the relationship between clinical and biochemical hyperandrogenism (HA). This study aimed to evaluate the association between biochemical hyperandrogenism parameters (BHPs) and Ferriman-Gallwey (FG) score in patients with polycystic ovary syndrome (PCOS). METHODS: We searched PubMed, Scopus, Google Scholar, ScienceDirect and Web of Sciences databases (2000 to 2015) to identify studies investigating clinical and biochemical parameters of HA in PCOS patients...
June 2, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28560655/a-randomized-placebo-controlled-trial-of-diindolylmethane-for-breast-cancer-biomarker-modulation-in-patients-taking-tamoxifen
#13
Cynthia A Thomson, H H Sherry Chow, Betsy C Wertheim, Denise J Roe, Alison Stopeck, Gertraud Maskarinec, Maria Altbach, Pavani Chalasani, Chuan Huang, Meghan B Strom, Jean-Philippe Galons, Patricia A Thompson
PURPOSE: Diindolylmethane (DIM), a bioactive metabolite of indole-3-carbinol found in cruciferous vegetables, has proposed cancer chemoprevention activity in the breast. There is limited evidence of clinically relevant activity of DIM or long-term safety data of its regular use. A randomized, double-blind, placebo-controlled trial was conducted to determine the activity and safety of combined use of BioResponse DIM® (BR-DIM) with tamoxifen. METHODS: Women prescribed tamoxifen (n = 130) were randomly assigned oral BR-DIM at 150 mg twice daily or placebo, for 12 months...
May 30, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28540984/inverse-relationship-between-hepatic-steatosis-and-alanine-aminotransferase-with-sex-hormone-binding-globulin-in-men
#14
In Ho Seo, Hyung Bin Lee, Shinhye Kim, Yong Jae Lee, Dong Hyuk Jung
PURPOSE: Sex hormone-binding globulin (SHBG) is a serum glycoprotein produced predominantly in hepatocytes. As such, the synthesis of SHBG could be associated with liver function and metabolic syndrome. Alanine aminotransferase (ALT) levels could reflect hepatocellular injury and insulin resistance; however, the relationship between hepatic steatosis and ALT with SHBG has not been investigated in humans. The objective of this study was to investigate the associations between SHBG and hepatocyte damage among Korean male patients with hepatic steatosis enrolled in a health examination program...
July 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28533544/sex-specific-metabolic-profiles-of-androgens-and-its-main-binding-protein-shbg-in-a-middle-aged-population-without-diabetes
#15
Uwe Piontek, Henri Wallaschofski, Gabi Kastenmüller, Karsten Suhre, Henry Völzke, Kieu Trinh Do, Anna Artati, Matthias Nauck, Jerzy Adamski, Nele Friedrich, Maik Pietzner
The role of androgens in metabolism with respect to sex-specific disease associations is poorly understood. Therefore, we aimed to provide molecular signatures in plasma and urine of androgen action in a sex-specific manner using state-of-the-art metabolomics techniques. Our study population consisted of 430 men and 343 women, aged 20-80 years, who were recruited for the cross-sectional population-based Study of Health in Pomerania (SHIP-TREND), Germany. We used linear regression models to identify associations between testosterone, androstenedione and dehydroepiandrosterone-sulfate (DHEAS) as well as sex hormone-binding globulin and plasma or urine metabolites measured by mass spectrometry...
May 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28525998/androsterone-glucuronide-to-dehydroepiandrosterone-sulphate-ratio-is-discriminatory-for-obese-caucasian-women-with-polycystic-ovary-syndrome
#16
Li-Wei Cho, Thozhukat Sathyapalan, Eric S Kilpatrick, Brian G Keevil, Adrian G Miller, Anne M Coady, Lina Ahmed, Stephen L Atkin
BACKGROUND: Androsterone glucuronide (ADTG) concentrations have been suggested as a marker of the effects of androgens at the target tissue level. As the mechanism for hyperandrogenemia in obese and nonobese polycystic ovary syndrome (PCOS) may differ, this study compared the different androgen parameters in non-obese compared to obese women with PCOS, and in normal subjects. METHODS: Eleven non-obese and 14 obese women with PCOS were recruited and compared to 11 control women without PCOS...
May 19, 2017: BMC Endocrine Disorders
https://www.readbyqxmd.com/read/28515052/exercise-training-improves-free-testosterone-in-lifelong-sedentary-aging-men
#17
Lawrence Hayes, Peter Herbert, Nicholas Sculthorpe, Fergal Grace
As the impact of high intensity interval training (HIIT) on systemic hormones in aging men is unstudied to date, we investigated whether total testosterone (TT), sex hormone binding globulin (SHBG), free testosterone (free-T), and cortisol (all in serum) were altered following HIIT in a cohort of 22 lifelong sedentary (62 ± 2 years) older men. As HIIT requires preconditioning exercise in sedentary cohorts, participants were tested at three phases, each separated by six weeks' training; baseline (phase A), following conditioning exercise (phase B), and post-HIIT (phase C)...
May 17, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28512158/association-between-changes-in-fat-distribution-and-biomarkers-for-breast-cancer
#18
Willemijn A van Gemert, Evelyn M Monninkhof, Anne M May, Sjoerd G Elias, Job van der Palen, Wouter Veldhuis, Maaike Stapper, Rebecca K Stellato, Jantine A Schuit, Petra H Peeters
We assessed the associations between changes in total and abdominal fat and changes in biomarkers for breast cancer risk using data of the SHAPE-2 trial. In the SHAPE-2 trial, 243 postmenopausal overweight women were included. The intervention in this trial consisted of 5-6 kg weight loss either by diet only or exercise plus diet. After 16 weeks, we measured serum sex hormones, inflammatory markers, total body fat (measured by DEXA scan) and intra and subcutaneous abdominal fat (measured by MRI). Associations between changes in different body fat depots and biomarkers were analysed by linear regression using the study cohort irrespective of randomisation to make maximal use of the distribution of changes in fat measures...
June 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28500248/the-association-of-the-lipidomic-profile-with-features-of-polycystic-ovary-syndrome
#19
Lisa Moran, Piyushkumar Mundra, Helena Teede, Peter J Miekle
Polycystic ovary syndrome (PCOS) affects up to 18% of reproductive-aged women with reproductive and metabolic complications. While lipidomics can identify associations between lipid species and metabolic diseases, no research has examined the association of lipid species with the pathophysiological features of PCOS. The aim of this study was to examine the lipidomic profile in women with and without PCOS. This study was a cross-sectional study in 156 age-matched pre-menopausal women (18-45 years, BMI>25 kg/m2; n=92 with PCOS, n=64 without PCOS)...
May 12, 2017: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/28489766/sex-difference-determined-the-role-of-sex-hormone-binding-globulin-in-obese-children-during-short-term-weight-reduction-program
#20
Fu-Min Wang, Chien-Ming Lin, Shao-Hung Lien, Li-Wei Wu, Ching-Feng Huang, Der-Ming Chu
The relationship between hyperinsulinemia and decreased sex hormone-binding globulin (SHBG) levels has been observed in obese adults and children. Weight reduction not only increased insulin sensitivity but also elevated serum SHBG levels in obese adults and children. However, the correlation between the changes in insulin resistance indices and serum SHBG concentration during weight reduction program (WRP) is not fully understood, particularly in obese children. This study is to evaluate whether SHBG level is a potential biomarker that can be used to assess insulin resistance in obese children during a short-term WRP...
May 2017: Medicine (Baltimore)
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