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https://www.readbyqxmd.com/read/28223343/associations-of-steroid-sex-hormones-and-sex-hormone-binding-globulin-with-the-risk-of-type-2-diabetes-in-women-a-population-based-cohort-study-and-meta-analysis
#1
Taulant Muka, Jana Nano, Loes Jaspers, Cindy Meun, Wichor M Bramer, Albert Hofman, Abbas Dehghan, Maryam Kavousi, Joop S E Laven, Oscar H Franco
It remains unclear whether endogenous sex hormones (ESH) are associated with risk of type 2 diabetes (T2D) in women. Data of 3,117 postmenopausal women participants of the Rotterdam Study were analyzed to examine whether ESH and sex hormone-binding globulin (SHBG) were associated with the risk of incident T2D. Additionally, we performed a systematic review and meta-analysis of studies assessing the prospective association of ESH and SHBG with T2D in women. During a median follow-up of 11.1 years, we identified 384 incident cases of T2D in the Rotterdam Study...
March 2017: Diabetes
https://www.readbyqxmd.com/read/28222406/leydig-cell-clustering-and-reinke-crystal-distribution-in-relation-to-hormonal-function-in-adult-patients-with-testicular-dysgenesis-syndrome-tds-including-cryptorchidism
#2
Rikke R Soerensen, Trine H Johannsen, Niels E Skakkebaek, Ewa Rajpert-De Meyts
OBJECTIVE: Testicular dysgenesis syndrome (TDS) comprises testicular germ cell cancer, cryptorchidism and some cases of male infertility and hypospadias, which can be linked to impairment of intrauterine gonadal development. Among histological signs of TDS, large Leydig cell (LC) clusters (micronodules) are frequently present. This study aimed to investigate possible associations of LC micronodules with the presence of Reinke crystals and hormonal function of LCs, the latter primarily reflected by serum concentrations of luteinising hormone (LH) and testosterone, in patients with TDS...
October 2016: Hormones: International Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28214238/high-prevalence-of-low-serum-biologically-active-testosterone-in%C3%A2-older-male-veterans
#3
Christine F Conover, Joshua F Yarrow, Timothy J Garrett, Fan Ye, Eoin P Quinlivan, Darryl F Cannady, Mark D Peterson, Stephen E Borst
OBJECTIVES: Assess the prevalence of hypogonadism in older male Veterans by comparing direct measurements of total testosterone (T) and bioavailable testosterone (BioT) versus indirect BioT values derived from existing and newly developed regression analyses. DESIGN: Cohort study. SETTING: Malcom Randall VA Medical Center, Gainesville, FL. PARTICIPANTS: Community-dwelling male Veterans aged 60 and older (n = 203). MEASUREMENTS: Total T, BioT, albumin, sex hormone-binding globulin (SHBG), and body mass index were evaluated...
February 14, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28208875/erectile-dysfunction-and-low-sex-drive-in-men-with-type-2-dm-the-potential-role-of-diabetic-pharmacotherapy
#4
Hayder M Al-Kuraishy, Ali I Al-Gareeb
INTRODUCTION: Diabetic men with erectile dysfunction have not been widely studied. They have low testosterone levels, causing low sex drive and erectile dysfunction. AIM: To assess the erectile dysfunction and sex drive in relation to testosterone serum levels in type 2 Diabetes Mellitus (DM) patients. MATERIALS AND METHODS: A total of 64 patients with type 2 DM were enrolled in this cross-sectional study, according to the treatment types they were divided into three groups, group (A): 34 patients treated with metformin, group (B): 30 patients treated with sulfonylurea and group (C): 27 healthy normal non-diabetic men are taken as control...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28164514/testosterone-measured-with-an-automatic-immunoassay-compares-reasonably-well-to-results-obtained-by-lc-ms-ms
#5
Cindy S Knudsen, Carsten S Hoejskov, Holger J Moller, Ebba Nexo
BACKGROUND: Previous studies have reported problems measuring testosterone with immunological assays. Here we explore an automatic second generation immunoassay compared to a LC-MS/MS method. METHODS: We collected blood samples from 76 women and measured testosterone, progesterone, gender hormonebinding globulin (SHBG), and albumin employing Cobas e601/c501. Testosterone, androstenedione (andro), dehydroepiandrosterone sulphate (DHEAS), and 17-hydroxyprogesterone (17-OHP) concentrations were measured employing LC-MS/MS...
October 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28160328/ethnic-differences-in-male-reproductive-hormones-and-relationships-with-adiposity-and-insulin-resistance-in-older-men
#6
Robert J A H Eendebak, Agnieszka Swiecicka, Piotr S Gromski, Stephen R Pye, Terence W O'Neill, Alan Marshall, Brian G Keevil, Gindo Tampubolon, Royston Goodacre, Frederick C W Wu, Martin K Rutter
OBJECTIVES: To assess ethnic differences in male reproductive hormone levels and to determine if any differences are explained by adiposity, insulin resistance (IR), or comorbidities in older men. DESIGN: Multi-ethnic cross-sectional observational study. PARTICIPANTS: Community dwelling middle-aged and elderly men residing in the U.K. aged 40-84 years of South Asian (SA; n=180), White European (WE; n=328) or African Caribbean (AC; n=166) origin...
February 3, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28135013/low-testosterone-but-not-estradiol-is-associated-with-incident-falls-in-older-men-the-international-mros-study
#7
Liesbeth Vandenput, Dan Mellström, Gail A Laughlin, Peggy M Cawthon, Jane A Cauley, Andrew R Hoffman, Magnus K Karlsson, Björn E Rosengren, Östen Ljunggren, Maria Nethander, Anna L Eriksson, Mattias Lorentzon, Jason Leung, Timothy Kwok, Eric S Orwoll, Claes Ohlsson
Fracture risk is determined by bone strength and the risk of falls. The relationship between serum sex steroids and bone strength parameters in men is well known, while the predictive value of sex steroids for falls is less studied. The aim of this study was to assess the associations between serum testosterone (T) and estradiol (E2) and the likelihood of falls. Older men (aged ≥65 years) from the US (n = 1919), Sweden (n = 2495), and Hong Kong (n = 1469) participating in the Osteoporotic Fractures in men study had baseline T and E2 analyzed by mass spectrometry...
January 30, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28134393/anti-m%C3%A3-llerian-hormone-levels-in-chinese-women-younger-than-30-years-and-30-years-or-older-and-correlated-biochemical-indices
#8
Jieping Zhu, Jun Wang, Yu Chen, Yuqin Ji, Miao Xiong
Importance: Anti-müllerian hormone (AMH) is considered an important marker of ovarian reserve; however, the exact function of AMH has yet to be determined. Objective: Our purpose was to investigate factors correlated with AMH levels in Chinese women. Evidence Acquisition: Healthy women were divided into 2 groups: aged younger than 30 years and 30 years or older. Anti-müllerian hormone levels and biochemical indices were compared between the groups...
January 2017: Obstetrical & Gynecological Survey
https://www.readbyqxmd.com/read/28132748/plasma-testosterone-and-the-course-of-major-depressive-disorder-in-older-men-and-women
#9
Erik J Giltay, Roos C van der Mast, Esther Lauwen, Annemieke C Heijboer, Margot W M de Waal, Hannie C Comijs
OBJECTIVE: To investigate associations between testosterone levels and major depressive disorder (MDD) in older men and women. METHODS: In a cross-sectional, 2-year prospective analyses within the Netherlands Study on Depression in Older persons cohort study, 469 participants comprised 350 patients with MDD and 119 nondepressed participants in the comparison group (mean age 70.5 ± 7.3 years; 166 [35.4%] men). MDD was assessed by the Composite International Diagnostic Interview...
January 3, 2017: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28124112/is-there-room-for-behavioral-and-modifiable-health-related-targets-in-the-lower-urinary-tract-symptoms-scenario
#10
Osamu Ikari, Brunno C F Sanches, João Carlos Cardoso Alonso, Fabiano A Simões, Ronald F Rejowski, Walker Wendel Laranja, Leonardo O Reis
PURPOSE: To better understand potential modifiable risk factors guiding preventive interventions against lower urinary tract symptoms (LUTS). METHODS: A prospective cross-sectional study, including healthy men aged 40-70 years under routine urological evaluation, measured the strength of association between the International Prostate Symptom Score (IPSS) and socio-demographic, lifestyle, and health-related factors using logistic and linear regression adjusted for confounding factors...
January 25, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28087298/the-utility-of-sex-hormone-binding-globulin-in-hypogonadism-and-infertile-males
#11
Joshua Ring, Charles Welliver, Mike Parenteau, Stephen Markwell, Robert E Brannigan, Tobias S Köhler
PURPOSE: We sought to determine the role of sex hormone-binding globulin in patients with male infertility. MATERIALS AND METHODS: We retrospectively reviewed the records of 168 males seen at a fertility clinic from 2012 to 2014, to investigate the accuracy of total testosterone in the biochemical diagnosis of hypogonadism using calculated bioavailable testosterone as the reference value. We used multivariable analysis to assess sex hormone-binding globulin as an independent predictor of infertility...
January 10, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28077498/modulation-of-shbg-binding-to-testosterone-and-estradiol-by-sex-and-morbid-obesity
#12
Maria Del Mar Grasa, José Gulfo, Núria Camps, Rosa Alcalá, Laura Monserrat, José María Moreno-Navarrete, F Ortega, Montserrat Esteve, Xavier Remesar, José Antonio Fernández-López, José Manuel Fernández-Real, Marià Alemany
OBJECTIVE: Sex hormone-binding globulin (SHBG) binds and transports testosterone and estradiol in plasma. The possibility that SHBG is a mixture of transporting proteins has been postulated. We analyzed in parallel the effects of obesity status on the levels and binding capacity of circulating SHBG and their relationship with testosterone and estradiol. DESIGN: Anthropometric measures and plasma were obtained from apparently healthy young (i.e. 35 ± 7 years) premenopausal women (n=32) and men (n=30), with normal weight and obesity (BMI>30 kg·m(-2))...
January 11, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28056660/biochemical-markers-reflecting-thyroid-function-in-athyreotic-patients-on-levothyroxine-monotherapy
#13
Mitsuru Ito, Akira Miyauchi, Mako Hisakado, Waka Yoshioka, Akane Ide, Takumi Kudo, Eijun Nishihara, Minoru Kihara, Yasuhiro Ito, Kaoru Kobayashi, Akihiro Miya, Shuji Fukata, Mitsushige Nishikawa, Hirotoshi Nakamura, Nobuyuki Amino
BACKGROUND: Some investigators reported that among athyreotic patients on levothyroxine (LT4) monotherapy following total thyroidectomy, the patients with normal serum thyrotropin (TSH) levels had mildly low serum free triiodothyronine (fT3) levels, whereas the patients with mildly suppressed serum TSH levels had normal serum fT3 levels, and the patients with strongly suppressed serum TSH had elevated serum fT3 levels. The objective of the present study was to clarify which of these three patient groups is closer to their preoperative euthyroid condition...
February 6, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28056433/pelvic-organ-prolapse-and-endogenous-circulating-sex-steroids-in-postmenopausal-women-a-case-control-study
#14
Barbara Bodner-Adler, Klaus Bodner, Cora Schneidinger, Oliver Kimberger, Ksenia Halpern, Heinz Koelbl, Wolfgang Umek
OBJECTIVE: We compared sex steroid levels of postmenopausal patients with symptomatic pelvic organ prolapse (POP) with postmenopausal matched patients without any sign of POP. Furthermore, we evaluated a possible relationship between sex steroid levels and various urogynecologic parameters in cases with POP. Main outcome of interest were differences in circulating estradiol levels between the two groups. STUDY DESIGN: We conducted a case-control study and 46 postmenopausal women with symptomatic POP≥stage 2 were matched 1:1 with 46 urogynecologic healthy women...
December 26, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28041602/serum-vitamin-d-and-sex-hormones-levels-in-men-and-women-the-multi-ethnic-study-of-atherosclerosis-mesa
#15
Di Zhao, Pamela Ouyang, Ian H de Boer, Pamela L Lutsey, Youssef M K Farag, Eliseo Guallar, David S Siscovick, Wendy S Post, Rita R Kalyani, Kevin L Billups, Erin D Michos
INTRODUCTION: 25-hydroxyvitamin D [25(OH)D] deficiency has been associated with low testosterone levels in men, but there are conflicting reports of its associations with sex hormones in women. Less is known about whether these associations are independent of adiposity and lifestyle factors, and whether they differ by race/ethnicity. AIM: To examine associations of 25(OH)D concentrations with sex hormone levels. METHODS: Cross-sectional analysis of 3017 men and 2929 women in a multi-ethnic cohort...
February 2017: Maturitas
https://www.readbyqxmd.com/read/28040126/prediction-of-gestational-diabetes-mellitus-at-first-trimester-in-low-risk-pregnancies
#16
Pınar Kumru, Resul Arisoy, Emre Erdogdu, Oya Demirci, Mustecep Kavrut, Cem Ardıc, Nihan Aslaner, Aysen Ozkoral, Aktug Ertekin
OBJECTIVE: We aimed to assess the relationship among the sex hormone-binding globulin (SHBG), homeostasis model assessment (HOMA), glycosylated hemoglobin (HbA1c), and cholesterol panel values to predict subsequent gestational diabetes mellitus (GDM) in low-risk pregnancies. MATERIALS AND METHODS: Thirty-eight pregnant women with GDM and 295 low-risk pregnant women without GDM were included in this study. Maternal blood samples were obtained during the first trimester examination to determine the SHBG, HbA1c, fasting blood glucose, insulin, thyroid stimulating hormone (TSH), free thyroxine, total cholesterol, triglycerides (TG), high-density lipoprotein cholesterol, and low-density lipoprotein cholesterol (LDL-C) levels...
December 2016: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28026098/risk-factors-for-preeclampsia-in-infertile-chinese-women-with-polycystic-ovary-syndrome-a-prospective-cohort-study
#17
Hexia Xia, Ruixiu Zhang, Xiaoli Sun, Lu Wang, Wei Zhang
To explore preconception risk factors for preeclampsia (PE) in women with polycystic ovary syndrome (PCOS), a prospective cohort study was conducted in 92 infertile Chinese women with PCOS who had a singleton pregnancy by ovulation induction and were followed up for 6 weeks after delivery. The patients underwent assessment of physical, endocrine, and metabolic features before ovulation induction. Fifteen (16.3%) patients were diagnosed with PE. Logistic regression analysis showed that preconception sex hormone-binding globulin (SHBG), insulin level at 120 minutes, and body mass index were three independent risk factors for PE (odds ratio [OR], 0...
December 27, 2016: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/27990781/sex-differences-endogenous-sex-hormone-hormones-sex-hormone-binding-globulin-shbg-and-exogenous-disruptors-in-diabetes-and-related-metabolic-outcomes
#18
Simin Liu, Qi Sun
In assessing clinical and pathophysiological development of type 2 diabetes (T2D), the critical role of the sex steroids axis is underappreciated particularly concerning the sex specific relations with many relevant cardiometabolic outcomes. In this issue of the Journal, we provide a comprehensive overview of these strong associations of germline variants in the genes governing the sex-steroids pathways, plasma levels of steroid-hormones, and sex hormone-binding globulin (SHBG) with T2D risk that have been observed in many clinical as well as high-quality large prospective cohorts of men and women across ethnic populations...
December 19, 2016: Journal of Diabetes
https://www.readbyqxmd.com/read/27990161/sex-hormone-binding-globulin-modifies-testosterone-action-and-metabolism-in-prostate-cancer-cells
#19
Huika Li, Thy Pham, Brett C McWhinney, Jacobus P Ungerer, Carel J Pretorius, Derek J Richard, Robin H Mortimer, Michael C d'Emden, Kerry Richard
Sex Hormone Binding Globulin (SHBG) is the major serum carrier of sex hormones. However, growing evidence suggests that SHBG is internalised and plays a role in regulating intracellular hormone action. This study was to determine whether SHBG plays a role in testosterone uptake, metabolism, and action in the androgen sensitive LNCaP prostate cancer cell line. Internalisation of SHBG and testosterone, the effects of SHBG on testosterone uptake, metabolism, regulation of androgen responsive genes, and cell growth were assessed...
2016: International Journal of Endocrinology
https://www.readbyqxmd.com/read/27974312/dietary-patterns-and-cardiometabolic-and-endocrine-plasma-biomarkers-in-us-women
#20
Hala B AlEssa, Vasanti S Malik, Changzheng Yuan, Walter C Willett, Tianyi Huang, Frank B Hu, Deirdre K Tobias
BACKGROUND: Healthful dietary patterns have been associated with lower risks of type 2 diabetes and coronary artery disease, but their relations with intermediate markers of cardiometabolic and endocrine health are less established. OBJECTIVE: We evaluated the Dietary Approaches to Stop Hypertension (DASH), the alternate Mediterranean diet (aMED), and the Alternate Healthy Eating Index (aHEI) diet-quality scores with cardiometabolic and endocrine plasma biomarkers in US women...
February 2017: American Journal of Clinical Nutrition
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