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https://www.readbyqxmd.com/read/28641384/acute-testosterone-deficiency-alters-adipose-tissue-fatty-acid-storage
#1
Sylvia Santosa, Nikki C Bush, Michael D Jensen
Context: Although the long-term effects of testosterone on adipose tissue lipid metabolism in men have been defined, the short-term regulation of these effects is not well understood. Objective: We examined the effects of acute testosterone withdrawal on subcutaneous abdominal and femoral adipose tissue fatty acid (FA) storage and cellular mechanisms. Design: This was a prospective, randomized trial. Setting: Mayo Clinic Clinical Research Unit...
June 21, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28638366/gonadotropin-releasing-hormone-and-its-role-in-the-enteric-nervous-system
#2
REVIEW
Bodil Ohlsson
Gonadotropin-releasing hormone (GnRH), follicle-stimulating hormone, and luteinizing hormone orchestrate the reproduction cycle and regulate the sex steroid secretion from the gonads. In mammals, GnRH1 is secreted as a hormone from the hypothalamus, whereas both GnRH1 and GnRH2 are present as neurotransmitters/peptides in various tissues, where the peptides exert many different effects. mRNA coding for GnRH1 and GnRH2 have been described in the human gastrointestinal tract, and GnRH has been found in both submucosal and myenteric neurons...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28637499/diagnostic-relevance-of-urinary-steroid-profiles-on-ovarian-granulosa-cell-tumors-two-case-reports
#3
Anita Bufa, Nelli Farkas, Zsolt Preisz, Viktória Poór, Csilla Páger, Sándor Szukits, Bálint Farkas, Péter Miklós Gőcze
BACKGROUND: Granulosa cell tumor of the ovary is the most frequent sex cord stromal tumor and represents 2 to 5% of all primary ovarian cancers. Ovarian granulosa cell tumor is a malignant tumor with slow progression and in some cases this tumor is hormonally active. The recurrence of granulosa cell tumor often happens after 5 years. CASE PRESENTATION: We describe two cases of postmenopausal women with adult-type granulosa cell tumors of the ovary. Patient 1 is a 49-year-old European woman with a recurrent tumor; patient 2 is a 55-year-old European woman without recurrence of tumor...
June 22, 2017: Journal of Medical Case Reports
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
#4
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/28636803/atorvastatin-attenuates-testosterone-induced-benign-prostatic-hyperplasia-in-rats-role-of-peroxisome-proliferator-activated-receptor-%C3%AE-and-cyclo-oxygenase-2
#5
Ismail O Ishola, Habeeb K Tijani, Olufunke O Dosumu, Charles C Anunobi, Tolulope O Oshodi
Diabetes and obesity have been reported to alter sex steroid hormone metabolism. In this study, an attempt was made to investigate the protective effect of atorvastatin (ATR) in combination with celecoxib (CEL) or pioglitazone (PIO) on testosterone-induced BPH in rats. Male Wistar rats (200-250 g) were randomly divided into 9 groups (n=8) and orally treated as follows for 28 consecutive days; Group 1: vehicle (10 ml/kg), group 2: vehicle (10 ml/kg), groups 3 - 5: ATR (0.5, 2.5 and 5 mg/kg, respectively); group 6: CEL (20 mg/kg); Group 7: PIO (20 mg/kg); Groups 8-9: ATR 0...
June 21, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/28630719/hip-arthroscopy-results-in-improved-patient-reported-outcomes-compared-to-non-operative-management-of-waitlisted-patients
#6
Luke Spencer-Gardner, Ruch Dissanayake, Amir Kalanie, Parminder Singh, John O'Donnell
Hip arthroscopy (HA) is an established treatment option to address intra-articular pathology of the hip. However, some clinicians encourage non-operative management (NOM). Non-operative management may include active measures such as physiotherapy and intra-articular steroid injections, or NOM may involve so called watchful waiting with no active intervention. These approaches, along with surgery have been detailed recently in the Warwick Agreement, a Consensus Statement regarding diagnosis and treatment of Femoroacetabular Impingement Syndrome The aim of this study is to compare the change in clinical outcome scores of waitlisted patients with intra-articular hip pathology who receive no active treatment with matched controls that have undergone HA...
January 2017: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/28627044/adherence-to-treatment-in-patients-with-behcet-s-disease
#7
Alireza Khabbazi, Farid Karkon Shayan, Morteza Ghojazadeh, Hadise Kavandi, Mehrzad Hajialiloo, Kamal Esalat Manesh, Sousan Kolahi
AIM: Behcet's disease (BD) is a chronic, inflammatory disease with multisystem involvement. Adherence to treatment is low in chronic diseases as well as inflammatory and autoimmune diseases. This study assessed factors associated with non-adherence to treatment in patients with BD. METHODS: All the patients with BD who visited in the outpatient clinic of Connective Tissue Diseases Research Center in Tabriz University of Medical Sciences were included in the study...
June 19, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28626751/feeder-cell-type-affects-the-growth-of-in-vitro-cultured-bovine-trophoblast-cells
#8
Islam M Saadeldin, Ahmed Abdelfattah-Hassan, Ayman Abdel-Aziz Swelum
Trophectoderm cells are the foremost embryonic cells to differentiate with prospective stem-cell properties. In the current study, we aimed at improving the current approach for trophoblast culture by using granulosa cells as feeders. Porcine granulosa cells (PGCs) compared to the conventional mouse embryonic fibroblasts (MEFs) were used to grow trophectoderm cells from hatched bovine blastocysts. Isolated trophectoderm cells were monitored and displayed characteristic epithelial/cuboidal morphology. The isolated trophectoderm cells expressed mRNA of homeobox protein (CDX2), cytokeratin-8 (KRT8), and interferon tau (IFNT)...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28626075/sex-differences-in-vascular-physiology-and-pathophysiology-estrogen-and-androgen-signaling-in-health-and-disease
#9
Austin C Boese, Seong Chul Kim, Ke-Jie Yin, Jean-Pyo Lee, Milton H Hamblin
Sex differences between women and men are often overlooked and underappreciated when studying the cardiovascular system. It has been long assumed that men and women are physiologically similar, and this notion has resulted in females being clinically evaluated and treated for cardiovascular pathophysiological complications as males. Currently, there is increased recognition of fundamental sex differences in cardiovascular function, anatomy, cell signaling, and pathophysiology. NIH has enacted guidelines expressly to gain knowledge about ways the sexes differ in both normal function and diseases at the various research levels (molecular, cellular, tissue, organ, system)...
June 16, 2017: American Journal of Physiology. Heart and Circulatory Physiology
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
#10
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/28625602/frax-score-can-be-used-to-avoid-superfluous-dxa-scans-in-detecting-osteoporosis-in-celiac-disease-accuracy-of-the-frax-score-in-celiac-patients
#11
Raffaella Tortora, Nicola Imperatore, Pietro Capone, Nicolò Gerbino, Matilde Rea, Giovanna Affinito, Nicola Caporaso, Antonio Rispo
The Fracture Risk Assessment (FRAX) tool has been developed to estimate patients' 10-yr probability of fracture, thus establishing which patients should undergo dual-energy X-ray Absorptiometry (DXA) scan. This study aimed to evaluate if the FRAX tool can replace or optimize the use of DXA scan in celiac disease (CD). We prospectively enrolled all CD patients aged over 40 yr diagnosed at our third-level unit. At time of CD diagnosis, all patients underwent FRAX score calculation for risk of major osteoporotic and hip fractures and DXA scan (used as gold standard) to assess the accuracy of the FRAX score...
June 15, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28624767/effects-of-nrf1-on-steroidogenesis-and-apoptosis-in-goat-luteinized-granulosa-cells
#12
Guo-Min Zhang, Ming-Tian Deng, Zhi-Hai Lei, Yong-Jie Wan, Hai-Tao Nie, Zi-Yu Wang, Yi-Xuan Fan, Feng Wang, Yan-Li Zhang
During goat follicular development, abnormal expression of nuclear respiratory factor 1 (NRF1) in granulosa cells may drive follicular atresia with unknown regulatory mechanisms. In this study, we investigated the effects of NRF1 on steroidogenesis and cell apoptosis by overexpressing or silencing it in goat luteinized granulosa cells (LGCs). Results showed that knockdown of NRF1 expression significantly inhibited the expression of STAR and CYP19A1, which are involved in sex steroid hormones synthesis, and led to lower estrogen levels...
August 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28620462/immunoprofiling-of-human-uterine-mast-cells-identifies-three-phenotypes-and-expression-of-er%C3%AE-and-glucocorticoid-receptor
#13
Bianca De Leo, Arantza Esnal-Zufiaurre, Frances Collins, Hilary O D Critchley, Philippa T K Saunders
Background: Human mast cells (MCs) are long-lived tissue-resident immune cells characterised by granules containing the proteases chymase and/or tryptase. Their phenotype is modulated by their tissue microenvironment. The human uterus has an outer muscular layer (the myometrium) surrounding the endometrium, both of which play an important role in supporting a pregnancy. The endometrium is a sex steroid target tissue consisting of epithelial cells (luminal, glandular) surrounded by a multicellular stroma, with the latter containing an extensive vascular compartment as well as fluctuating populations of immune cells that play an important role in regulating tissue function...
2017: F1000Research
https://www.readbyqxmd.com/read/28619249/metabolism-of-sex-steroids-is-influenced-by-acquired-adiposity-a-study-of-young-adult-male-monozygotic-twin-pairs
#14
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/28619118/serum-levels-of-leptin-and-high-molecular-weight-adiponectin-are-inversely-associated-with-radiographic-spinal-progression-in-patients-with-ankylosing-spondylitis-results-from-the-enradas-trial
#15
Agnes Hartl, Joachim Sieper, Uta Syrbe, Joachim Listing, Kay-Geert Hermann, Martin Rudwaleit, Denis Poddubnyy
BACKGROUND: Previous research indicates a role of adipokines in inflammation and osteogenesis. Hence adipokines might also have a pathophysiological role in inflammation and new bone formation in patients with ankylosing spondylitis (AS). The aim of this study was to investigate the role of adipokine serum levels as predictors of radiographic spinal progression in patients with AS. METHODS: A total of 120 patients with definite AS who completed a 2-year follow up in the ENRADAS trial were included in the current study...
June 15, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28618875/implementation-of-guideline-based-therapy-for-chronic-obstructive-pulmonary-disease-differences-between-men-and-women-veterans
#16
Seppo T Rinne, A Rani Elwy, Chuan-Fen Liu, Renda Soylemez Wiener, Lisa Thayer, Alexandra Gerity, Lori A Bastian
Chronic obstructive pulmonary disease (COPD) is common among both men and women, and guidelines recommend the same therapy for both sexes. While previous studies have identified gender differences in other chronic disease management, few studies have examined how implementation of COPD guidelines differs between men and women. We performed a cross-sectional study of veterans admitted to Veterans Affairs (VA) hospitals for COPD during October 1, 2008, to September 30, 2011. We collected information on baseline COPD medications during the 6 months prior to hospitalization and categorized therapies as "appropriate" or "inappropriate" based on current guidelines...
January 1, 2017: Chronic Respiratory Disease
https://www.readbyqxmd.com/read/28616771/androgen-supplementation-improves-some-but-not-all-aspects-of-immune-senescence-in-aged-male-macaques
#17
Maham Rais, Randall M Wilson, Henryk F Urbanski, Ilhem Messaoudi
Aging leads to a progressive decline in immune function commonly referred to as immune senescence, which results in increased incidence and severity of infection. In addition, older males experience a significant disruption in their levels of circulating androgens, notably testosterone and dehydroepiandrosterone (DHEA), which has been linked to sarcopenia, osteoporosis, cardiovascular disease, and diabetes. Since sex steroid levels modulate immune function, it is possible that the age-related decline in androgen levels can also affect immune senescence...
June 14, 2017: GeroScience
https://www.readbyqxmd.com/read/28616249/quality-of-care-for-patients-with-chronic-kidney-disease-in-the-primary-care-setting-a-retrospective-cohort-study-from-ontario-canada
#18
Danielle M Nash, Scott Brimble, Maureen Markle-Reid, Eric McArthur, Karen Tu, Gihad E Nesrallah, Allan Grill, Amit X Garg
BACKGROUND: Patients with chronic kidney disease may not be receiving recommended primary renal care. OBJECTIVE: To use recently established primary care quality indicators for chronic kidney disease to determine the proportion of patients receiving recommended renal care. DESIGN: Retrospective cohort study using administrative data with linked laboratory information. SETTING: The study was conducted in Ontario, Canada, from 2006 to 2012...
2017: Canadian Journal of Kidney Health and Disease
https://www.readbyqxmd.com/read/28615280/age-associated-gene-expression-changes-in-the-arcuate-nucleus-of-male-rhesus-macaques
#19
Dominique Eghlidi, Vasilios Garyfallou, Steven Kohama, Henryk F Urbanski
The hypothalamic arcuate nucleus (ARC) represents a major component of the neuroendocrine reproductive axis, and plays an important role in controlling the onset of puberty as well as age-associated reproductive senescence. Although significant gene expression changes have been observed in the ARC during sexual maturation it is unclear what changes occur during aging, especially in males. Therefore, in the present study we profiled the expression of reproduction-related genes in the ARC of young and old male rhesus macaques, as well as old males that had received 6 months of hormone supplementation (HS) in the form of daily testosterone and dehydroepiandrosterone; we also compared morning versus night ARC gene expression in the old males...
June 14, 2017: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/28613048/is-the-second-to-fourth-digit-ratio-2d-4d-a-biomarker-of-sex-steroids-activity
#20
Vincenzo de Sanctis, Ashraf T Soliman, Heba Elsedfy, Nada Soliman, Rania Elalaily, Salvatore Di Maio
The second-to-fourth digit ratio (2D:4D) has been used as an indirect method to investigate the putative effects of prenatal exposure to androgens, and has been reported to be smaller in males than in females. This gender difference in digit length ratios has been linked with the in utero balance of androgens to oestrogen. This sexual dimorphism in 2D:4D ratios is apparent by 2 years of age and seems to be established early in life, possibly by the 14th week of gestation. Digits in females attain their maximum length at about 2...
June 2017: Pediatric Endocrinology Reviews: PER
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