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https://www.readbyqxmd.com/read/28800472/phthalate-and-bisphenol-a-exposure-during-in-utero-windows-of-susceptibility-in-relation-to-reproductive-hormones-and-pubertal-development-in-girls
#1
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: Over the past several decades, the age of pubertal onset in girls has shifted downward worldwide. As early pubertal onset is associated with increased risky behavior and psychological issues during adolescence and cardiometabolic disease and cancer in adulthood, this is an important public health concern. Exposure to endocrine disrupting chemicals during critical windows of in utero development may play a role in this trend. Our objective was to investigate trimester-specific phthalate and BPA exposure in relation to pubertal development among girls in the Early Life Exposure in Mexico to Environmental Toxicants (ELEMENT) birth cohort...
August 8, 2017: Environmental Research
https://www.readbyqxmd.com/read/28765038/synergistic-effect-of-1%C3%AE-25-dihydroxyvitamin-d3-and-17%C3%AE-estradiol-on-osteoblast-differentiation-of-pediatric-mscs
#2
Jing Li, Bonnie L Padwa, Shuanhu Zhou, Julia Mullokandova, Meryl S LeBoff, Julie Glowacki
Vitamin D is essential for mineral homeostasis and contributes to bone metabolism by stimulating osteoblast differentiation of marrow stromal cells (MSCs). In this study, we used MSCs from pre-pubertal girls and boys to test the hypothesis that 1α,25(OH)2D and 17β-estradiol have synergistic effects on these MSCs, and what mechanism is involved. With IRB approval, we isolated MSCs from discarded excess iliac marrow graft from children undergoing alveolar cleft repair. Plasma was available from 8 female (9...
July 29, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28751021/the-association-between-alcohol-abuse-and-neuroendocrine-system-dysregulation-race-differences-in-a-national-sample
#3
Yusuf Ransome, Natalie Slopen, Oskar Karlsson, David R Williams
Health outcomes, including chronic disease and mortality, attributed to or associated with alcohol abuse are discrepant between African Americans and Whites. To date, the topic is not fully understood and few studies conducted have used biomarker indicators of health. We investigated whether the association between alcohol abuse and biomarkers of the neuroendocrine system vary between black or African American and White respondents aged 34 to 84 from the Midlife in the United States Study (MIDUS) II (2004-2006) (n =1,129)...
July 24, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28739331/associations-of-sex-hormones-and-anthropometry-with-the-speaking-voice-profile-in-the-adult-general-population
#4
Lasse Jost, Michael Fuchs, Markus Loeffler, Joachim Thiery, Juergen Kratzsch, Thomas Berger, Christoph Engel
OBJECTIVE: There is evidence that sexual hormone concentrations and anthropometric factors influence the human voice. The goal of this study was to investigate to what extent body mass index (BMI), body height, body weight, breast-to-abdomen-ratio, testosterone, estradiol, dehydroepiandrosterone-sulfate (DHEA-S), follicle-stimulating hormone, and luteinizing hormone are associated with the sound pressure level and the fundamental frequency of the speaking voice in a cross-sectional approach among adults in the general population...
July 21, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28707358/suppressed-oligodendrocyte-steroidogenesis-in-multiple-sclerosis-implications-for-regulation-of-neuroinflammation
#5
Roobina Boghozian, Brienne A McKenzie, Leina B Saito, Ninad Mehta, William G Branton, JianQiang Lu, Glen B Baker, Farshid Noorbakhsh, Christopher Power
Multiple sclerosis (MS) is an inflammatory demyelinating disease of the central nervous system (CNS). Neurosteroids are reported to exert anti-inflammatory effects in several neurological disorders. We investigated the expression and actions of the neurosteroid, dehydroepiandrosterone (DHEA), and its more stable 3β-sulphated ester, DHEA-S, in MS and associated experimental models. CNS tissues from patients with MS and animals with experimental autoimmune encephalomyelitis (EAE) displayed reduced DHEA concentrations, accompanied by diminished expression of the DHEA-synthesizing enzyme CYP17A1 in oligodendrocytes (ODCs), in association with increased expression of inflammatory genes including interferon (IFN)-γ and interleukin (IL)-1β...
July 14, 2017: Glia
https://www.readbyqxmd.com/read/28690989/the-association-between-skeletal-maturation-and-adrenal-androgen-levels-in-obese-children-and-adolescents
#6
Sung Eun Kim, Joon Weon Jang, Moon Bae Ahn, Shin-Hee Kim, Won Kyoung Cho, Kyoung Soon Cho, So Hyun Park, Min Ho Jung, Byoung Kyu Suh
PURPOSE: This study aimed to investigate the association between skeletal maturation and adrenal androgen levels in obese children and adolescents. METHODS: Fifty-three children and adolescents (aged 7-15 years) diagnosed as obese or overweight were investigated. Anthropometric measurements, bone age (BA) determination, serum biochemical analyses, and hormonal measurements were performed. The difference between BA and chronological age (BA-CA, dBACA) was calculated and used to represent the degree of advanced skeletal maturation...
June 2017: Annals of Pediatric Endocrinology & Metabolism
https://www.readbyqxmd.com/read/28686904/gender-differences-in-susceptibility-to-schizophrenia-potential-implication-of-neurosteroids
#7
Yu-Chi Huang, Chi-Fa Hung, Pao-Yen Lin, Yu Lee, Chih-Ching Wu, Su-Ting Hsu, Chien-Chih Chen, Mian-Yoon Chong, Chieh-Hsin Lin, Liang-Jen Wang
Past research has indicated gender differences in the clinical characteristics and course of schizophrenia. In this study, we investigated whether gender differences in the manifestation of schizophrenia are correlated with neurosteroids, including dehydroepiandrosterone (DHEA), dehydroepiandrosterone sulfate (DHEA-S), and pregnenolone. We further explored the potential relationship between the aforementioned neurosteroids and psychopathology. We recruited 65 schizophrenic patients (36 males and 29 females) and 103 healthy control subjects (47 males and 56 females) and obtained blood samples from the subjects in the morning while in a fasting state to determine the serum levels of DHEA, DHEA-S, and pregnenolone...
June 26, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28668711/dhea-and-dhea-s-levels-in-posttraumatic-stress-disorder-a-meta-analytic-review
#8
REVIEW
Mirjam van Zuiden, Sanne Q Haverkort, Zhonglin Tan, Joost Daams, Anja Lok, Miranda Olff
Differences in hypothalamic-pituitary-adrenocortical (HPA) functioning between patients with posttraumatic stress disorder (PTSD) and controls are among the most consistent neurobiological findings in PTSD. HPA-axis activation results in the output of various steroid hormones including dehydroepiandrosterone (DHEA), which is then converted into dehydroepiandrosterone sulfate (DHEA-S), with anti-glucocorticoid actions among its pleiotropic effects. To investigate whether there is evidence for consistent differences in basal DHEA and DHEA-s levels between individuals with and without PTSD, we performed random-effect meta-analyses aggregating findings of previously published studies...
June 15, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28653779/adrenal-maturation-nutritional-status-and-mucosal-immunity-in-bolivian-youth
#9
Carolyn R Hodges-Simeon, Sean P Prall, Aaron D Blackwell, Michael Gurven, Steven J C Gaulin
OBJECTIVES: Humans-and several other apes-exhibit a unique pattern of post-natal adrenal maturation; however, the causes and consequences of variation in adrenal development are not well understood. In this study, we examine developmental and age-related maturation of the adrenal gland (measured via dehydroepiandrosterone-sulfate [DHEA-S]) for potential life-history associations with growth and mucosal immunity in a rural population of immune-challenged Bolivian juveniles and adolescents...
June 27, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/28652501/serum-levels-of-neuroactive-steroids-in-first-episode-antipsychotic-na%C3%A3-ve-schizophrenic-patients-and-its-correlation-with-aggression-a-case-control-study
#10
R K Solanki, P Sharma, A Tyagi, C Singh
BACKGROUND: The evidence of hypothalamic-pituitary-adrenal axis dysfunction in schizophrenia has been reviewed in the context of the stress-diathesis model. Overactivation of this axis leads to altered blood levels of cortisol and dehydroepiandrosterone sulfate (DHEA-S). These neurosteroids in turn act on the hippocampus and interact with gamma-aminobutyric acid and N-methyl-D-aspartate receptors leading to neurotoxicity and may be involved in the neurobiology of aggression. This study aimed to explore the blood level of these neurosteroids and ascertain its correlation with state aggression and psychopathology in first-episode antipsychotic-naïve schizophrenic patients...
June 2017: East Asian Archives of Psychiatry: Official Journal of the Hong Kong College of Psychiatrists
https://www.readbyqxmd.com/read/28649885/can-the-source-of-hyperandrogenism-in-adolescents-with-polycystic-ovary-syndrome-predict-metabolic-phenotype
#11
Alaa Al Nofal, Lyndsay D Viers, Asma Javed
In this study, we demonstrated an association between adrenal hyperandrogenism, as determined by dehydroepiandrostenedione-to-free testosterone (DHEA-S/FT) ratio, and metabolic phenotype in obese and lean adolescents with polycystic ovary syndrome (PCOS). We compared 64 overweight/obese adolescents with PCOS (PCOS-O) with 18 lean (PCOS-L) adolescents. We analyzed the association between DHEA-S/FT ratios and metabolic parameters. Patients in the PCOS-O group were younger (median [interquartile range]) than those in the PCOS-L group (15 [15-17] vs...
June 24, 2017: Gynecological Endocrinology
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
#12
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/28609827/nonandrogenic-anabolic-hormones-predict-risk-of-frailty-european-male-ageing-study-prospective-data
#13
Agnieszka Swiecicka, Mark Lunt, Tomás Ahern, Terence W O'Neill, György Bartfai, Felipe F Casanueva, Gianni Forti, Aleksander Giwercman, Thang S Han, Michael E J Lean, Neil Pendleton, Margus Punab, Jolanta Slowikowska-Hilczer, Dirk Vanderschueren, Ilpo T Huhtaniemi, Frederick C W Wu, Martin K Rutter
Context: Low levels of nonandrogenic anabolic hormones have been linked with frailty, but evidence is conflicting and prospective data are largely lacking. Objective: To determine associations between nonandrogenic anabolic hormones and prospective changes in frailty status. Design/Setting: A 4.3-year prospective observational study of community-dwelling men participating in the European Male Ageing Study. Participants: Men (n = 3369) aged 40 to 79 years from eight European centers...
August 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28593921/hyperandrogenism-in-adolescent-girls-relationship-with-the-somatotrophic-axis
#14
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/28581534/bone-mineralization-and-densitometric-evaluation-of-vertebral-fractures-in-women-6-21-years-after-the-onset-of-anorexia-nervosa-symptoms
#15
Gabriela Jagielska, Jerzy Przedlacki, Zbigniew Bartoszewicz, Agnieszka Kondracka, Agnieszka Butwicka, Ewa Racicka, Olgierd Rowiński, Rafał Brzewski, Tomasz Wolańczyk, Celina Tomaszewicz-Libudzic, Urszula Szymańska
OBJECTIVES: We attempted to assess bone mineralization and the frequency of fractures occurrence in women with a history of treatment of anorexia nervosa (AN) in adolescence. METHODS: 47 women (age 20-36.8 years) were re-examined 6.33-21,2 years after the onset of AN symptoms. Bone mineral density (BMD) of total body, lumbar spine, femoral neck, total hip (DXA) and densitometric Vertebral Fracture Assessment (VFA) were performed on 46 of women and BAP, P1NP, CTX, estradiol, testosterone, cortisol, IGF-1, leptin, DHEA-S on 45 of women entered for the current study...
April 30, 2017: Psychiatria Polska
https://www.readbyqxmd.com/read/28553251/no-difference-in-mood-and-quality-of-life-in-dhea-s-deficient-adults-with-addison-s-disease-vs-type-2-diabetes-patients-with-normal-dhea-s-levels-implications-for-management-of-these-conditions
#16
Adrian H Heald, Andreas Walther, Julian R E Davis, Gabriela Y C Moreno, John Kane, Mark Livingston, Helen L Fowler
Patients with Addison's disease have relatively high rates of depression and anxiety symptoms compared with population-based reference samples. Addison's disease results in deficiency of dehydroepiandrosterone (DHEA) and DHEA-sulfate (DHEA-S). There is considerable debate about the specific effects of DHEA deficiency on energy level and mood. We measured emotional well-being in 16 patients with Addison's disease and a group of 16 hospital attendees with type 2 diabetes. Participants completed the General Health Questionnaire-28 (GHQ-28), the Hospital Anxiety and Depression Scale (HADS), the World Health Organization's quality of life assessment (WHOQOL-BREF) and the Holmes-Rahe life event scale...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28546815/role-of-statin-drugs-for-polycystic-ovary-syndrome
#17
REVIEW
Lisa Cassidy-Vu, Edwina Joe, Julienne K Kirk
Objective: To review the potential role and specific impact of statin drugs in women with PCOS. The evidence for this use of statins in PCOS is limited and still under further investigation. Materials and methods: A search was conducted using PubMed, DynaMed and PubMedHealth databases through October 16, 2016 using the terms polycystic ovary syndrome, PCOS, hydroxymethylglutaryl-CoA reductase inhibitors, hydroxymethylglutaryl-CoA, statin, atorvastatin, fluvastatin, lovastatin, pitavastatin, pravastatin, rosuvastatin and simvastatin...
December 2016: Journal of Family & Reproductive Health
https://www.readbyqxmd.com/read/28540339/leukocyte-telomere-length-and-serum-levels-of-high-molecular-weight-adiponectin-and-dehydroepiandrosterone-sulfate-could-reflect-distinct-aspects-of-longevity-in-japanese-centenarians
#18
Yuji Aoki, Masato Aoki, Kazuya Yamada
Leukocyte telomere length and serum levels of high-molecular-weight adiponectin and dehydroepiandrosterone-sulfate (DHEA-S) were assessed in association with nutrition and performance status (PS) in Japanese centenarians. Twenty-three centenarians (five men, 18 women) were classified according to their PS 1 (nearly fully ambulatory, n = 2), 2 (in bed less than 50% of daytime, n = 10), 3 (in bed greater than 50%, n = 6), and 4 (completely bedridden, n = 5). Leukocyte telomere length was determined by the hybridization protection assay, and the adiponectin and DHEA-S levels were measured by chemiluminescent enzyme immunoassay...
January 2017: Gerontology & Geriatric Medicine
https://www.readbyqxmd.com/read/28528397/perioperative-hypothalamic-pituitary-adrenal-function-in-patients-with-silent-corticotroph-adenomas
#19
Abdelle F Cheres, Nadine ElAsmar, Aman Rajpal, Warren R Selman, Baha M Arafah
BACKGROUND: Silent corticotroph adenomas (SCAs) are characterized by strong ACTH immunostaining without clinical manifestations of hypercortisolism. Patients with SCAs often present with mechanical symptoms related to tumor growth. This study investigates the hypothalamic pituitary adrenal axis (HPA) characteristics after adenomectomy in patients with SCAs. METHODS: Biochemical parameters of HPA function were monitored frequently after surgical resection of non-functioning macroadenomas...
August 2017: Pituitary
https://www.readbyqxmd.com/read/28521309/care-transitions-and-adult-day-services-moderate-the-longitudinal-links-between-stress-biomarkers-and-family-caregivers-functional-health
#20
Yin Liu, David M Almeida, Michael J Rovine, Steven H Zarit
BACKGROUND: Stress biomarkers have been linked to health and well-being. There are, however, few studies on how dysregulation in the hypothalamic-pituitary-adrenal axis and sympathetic nervous system actually affects functional health of family caregivers of persons with dementia. Further, it is not clear whether and how factors affecting caregiving stressor exposures such as care transitions and adult day services (ADS) use may affect such association. OBJECTIVE: First, to examine the association of daily stress biomarkers and functional health over time among family caregivers of persons with dementia...
May 19, 2017: Gerontology
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