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HSD11B1

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https://www.readbyqxmd.com/read/28794569/cortisol-homeostasis-in-the-epidermis-is-influenced-by-topical-corticosteroids-in-patients-with-atopic-dermatitis
#1
Mototsugu Fukaya
BACKGROUND: The skin produces cortisol by itself and regulates its own proliferation and differentiation. There is a possibility that topical corticosteroids (TCSs) influence the cortisol homeostasis in the skin. AIMS AND OBJECTIVES: The author described the density and distribution of cortisol and its parties in the epidermis after application of topical steroids immunohistologically. MATERIALS AND METHODS: The forearm skin was biopsied before and after 2 weeks' application of clobetasol propionate 0...
July 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28752602/alterations-in-the-steroid-biosynthetic-pathways-in-the-human-prefrontal-cortex-in-mood-disorders-a-post-mortem-study
#2
Xin-Rui Qi, Sabina Luchetti, Ronald W H Verwer, Arja A Sluiter, Matthew R J Mason, Jiang-Ning Zhou, Dick F Swaab
Altered levels of steroids have been reported in the brain, cerebral spinal fluid and plasma of patients with mood disorders. Neuroimaging studies have reported both functional and structural alterations in mood disorders, for instance in the anterior cingulate cortex (ACC) and dorsolateral prefrontal cortex (DLPFC). In order to determine whether the endogenous production of steroids is altered in the ACC and DLPFC of patients with major depressive disorder (MDD) or bipolar disorder (BPD), quantitative real-time PCR was performed to detect mRNA expression level of key enzymes in the steroid biosynthetic pathways...
July 27, 2017: Brain Pathology
https://www.readbyqxmd.com/read/28750217/association-of-hsd11b1-gene-polymorphisms-with-type-2-diabetes-and-metabolic-syndrome-in-south-indian-population
#3
Nayana Devang, Kapaettu Satyamoorthy, Padmalatha S Rai, M Nandini, Satish Rao, Nagaraja M Phani, Prabha Adhikari
BACKGROUND: 11beta-hydroxysteroid dehydrogenase Type 1 (11β-HSD1) is an NADP or NADPH-dependent enzyme that generates cortisol from cortisone for a local glucocorticoid action. Functional polymorphisms within 11beta-hydroxysteroid dehydrogenase Type 1 (HSD11B1) gene have shown an association with various factors, including insulin resistance (IR) and hypertension. In our study, we have assessed the association of HSD11B1 (rs12086634 and rs846910) gene polymorphisms with type 2 diabetes (T2D) and metabolic syndrome (metS)...
July 13, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28749080/cellular-and-genetic-models-of-h6pdh-and-11%C3%AE-hsd1-function-in-skeletal-muscle
#4
Agnieszka E Zielinska, Rachel S Fletcher, Mark Sherlock, Craig L Doig, Gareth G Lavery
Glucocorticoids are important for skeletal muscle energy metabolism, regulating glucose utilization, insulin sensitivity, and muscle mass. Nicotinamide adenine dinucleotide phosphate-dependent 11β-hydroxysteroid dehydrogenase type 1 (11β-HSD1)-mediated glucocorticoid activation in the sarcoplasmic reticulum (SR) is integral to mediating the detrimental effects of glucocorticoid excess in muscle. 11β-Hydroxysteroid dehydrogenase type 1 activity requires glucose-6-phosphate transporter (G6PT)-mediated G6P transport into the SR for its metabolism by hexose-6-phosphate dehydrogenase (H6PDH) for NADPH generation...
July 2017: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/28740105/a-brief-exposure-to-cadmium-impairs-leydig-cell-regeneration-in-the-adult-rat-testis
#5
Xiaolong Wu, Xiaoling Guo, Huang Wang, Songyi Zhou, Lili Li, Xiaomin Chen, Guimin Wang, Jianpeng Liu, Hong-Shan Ge, Ren-Shan Ge
Cadmium is an endocrine disruptor, impairing male reproduction. The objective of this study is to investigate whether cadmium affects rat Leydig cell regeneration and to dissect the underlying mechanism. Adult male Sprague-Dawley rats received a single intraperitoneal injection (i.p.) of 0, 0.5 or 1.0 mg/kg of cadmium chloride, followed by ethane dimethane sulfonate (EDS) treatment to eliminate adult Leydig cells 20 days later. Compared to control (0 dose), cadmium treatment reduced serum testosterone levels by days 21, 35, and 56 after EDS treatment...
July 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28726773/t-cell-autonomous-death-induced-by-regeneration-of-inert-glucocorticoid-metabolites
#6
Lourdes Rocamora-Reverte, Holger M Reichardt, Andreas Villunger, GJan Wiegers
Glucocorticoids (GC) are essential regulators of T-cell development and function. Activation of the immune system increases systemic adrenal-derived GC levels which downregulate immune activity as part of a negative feedback control system. Increasing evidence shows, however, that GC can also be derived from extra-adrenal sources such as the thymus or intestine, thus providing local control of GC-mediated effects. The thymus reportedly produces GC, but whether thymic epithelial cells or thymocytes produce GC acting either in an autocrine or paracrine fashion is not clear...
July 20, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28676523/macrophage-11%C3%AE-hsd-1-deficiency-promotes-inflammatory-angiogenesis
#7
Zhenguang Zhang, Agnes E Coutinho, Tak Yung Man, Tiina M J Kipari, Patrick W F Hadoke, Donald M Salter, Jonathan R Seckl, Karen E Chapman
11β-Hydroxysteroid dehydrogenase-1 (11β-HSD1) predominantly converts inert glucocorticoids into active forms, thereby contributing to intracellular glucocorticoid levels. 11β-HSD1 is dynamically regulated during inflammation, including in macrophages where it regulates phagocytic capacity. The resolution of inflammation in some disease models including inflammatory arthritis is impaired by 11β-HSD1 deficiency or inhibition. However, 11β-HSD1 deficiency/inhibition also promotes angiogenesis, which is beneficial in mouse models of surgical wound healing, myocardial infarction or obesity...
September 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28619249/metabolism-of-sex-steroids-is-influenced-by-acquired-adiposity-a-study-of-young-adult-male-monozygotic-twin-pairs
#8
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)]...
September 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28613228/rna-seq-reveals-transcriptomic-differences-in-inflamed-and-noninflamed-intestinal-mucosa-of-crohn-s-disease-patients-compared-with-normal-mucosa-of-healthy-controls
#9
Sung Noh Hong, Je-Gun Joung, Joon Seol Bae, Chan Soo Lee, Ja Seol Koo, Soo Jung Park, Jong Pil Im, You Sun Kim, Ji Won Kim, Woong Yang Park, Young-Ho Kim
BACKGROUND: Aberrant gene expression in the gut mucosa might contribute to the initiation and progression of Crohn's disease (CD). RNA sequencing (RNA-seq) provides precise measurements of expression levels of transcripts and their isoforms. The aim of this study was to use RNA-seq to investigate transcriptomic differences and identify significantly differentially expressed transcripts in inflamed and noninflamed intestinal mucosa of CD patients. METHODS: RNA-seq was performed on 13 pairs of inflamed and noninflamed intestinal mucosa from 13 CD patients and on sex-matched normal mucosa of 13 healthy controls...
July 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28551889/maternal-magnesium-restriction-elevates-glucocorticoid-stress-and-inflammation-in-the-placenta-and-fetus-of-wnin-rat-dams
#10
Anju Elizabeth Thomas, Padmavathi J N Inagadapa, Sugeetha Jeyapal, Naga Muralidhar Merugu, Rajender Rao Kalashikam, Raghunath Manchala
Magnesium plays a major role in many vital functions in the body. We reported earlier that maternal magnesium restriction altered body composition, fat metabolism, and insulin resistance in WNIN rat offspring and was associated with increased glucocorticoid stress in the offspring in their later life. We hypothesize that increased glucocorticoid stress and inflammation which originate in Mg restricted rat dams is transmitted through placenta to the fetus and underlie the metabolic disturbances in the later life of the offspring...
May 27, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28528174/prenatal-exposure-to-di-n-butyl-phthalate-disrupts-the-development-of-adult-leydig-cells-in-male-rats-during-puberty
#11
Xiaomin Chen, Linxi Li, Huitao Li, Hongguo Guan, Yaoyao Dong, Xiaoheng Li, Qiufan Wang, Qingquan Lian, Guoxin Hu, Ren-Shan Ge
Fetal exposure to di-n-butyl phthalate (DBP) causes the adult disease such as lower testosterone production and infertility. However, the mechanism is still unknown. The objective of the present study is to determine how DBP affects the involution of fetal Leydig cells during the neonatal period and how this event causes the delayed development of the adult Leydig cells during puberty. The pregnant Sprague Dawley dams were randomly divided into 3 groups and were gavaged with 0 (corn oil, the vehicle control), 100 or 500mg/kg DBP from gestational day 12 (G12) to G21...
July 1, 2017: Toxicology
https://www.readbyqxmd.com/read/28522730/11%C3%AE-hsd1-suppresses-cardiac-fibroblast-cxcl2-cxcl5-and-neutrophil-recruitment-to-the-heart-post-mi
#12
Katie J Mylonas, Neil A Turner, Sumia A Bageghni, Christopher J Kenyon, Christopher I White, Kieran McGregor, Robert A Kimmitt, Richard Sulston, Valerie Kelly, Brian R Walker, Karen E Porter, Karen E Chapman, Gillian A Gray
We have previously demonstrated that neutrophil recruitment to the heart following myocardial infarction (MI) is enhanced in mice lacking 11β-hydroxysteroid dehydrogenase type 1 (11β-HSD1) that regenerates active glucocorticoid within cells from intrinsically inert metabolites. The present study aimed to identify the mechanism of regulation. In a mouse model of MI, neutrophil mobilization to blood and recruitment to the heart were higher in 11β-HSD1-deficient (Hsd11b1(-)(/)(-) ) relative to wild-type (WT) mice, despite similar initial injury and circulating glucocorticoid...
June 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28443133/analysis-of-purified-pancreatic-islet-beta-and-alpha-cell-transcriptomes-reveals-11%C3%AE-hydroxysteroid-dehydrogenase-hsd11b1-as-a-novel-disallowed-gene
#13
Timothy J Pullen, Mark O Huising, Guy A Rutter
We and others have previously identified a group of genes, dubbed "disallowed," whose expression is markedly lower in pancreatic islets than in other mammalian cell types. Forced mis-expression of several members of this family leads to defective insulin secretion, demonstrating the likely importance of disallowance for normal beta cell function. Up to now, transcriptomic comparisons have been based solely on data from whole islets. This raises the possibilities that (a) there may be important differences in the degree of disallowance of family members between beta and other either neuroendocrine cells; (b) beta (or alpha) cell disallowed genes may have gone undetected...
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/28419184/mechanisms-for-the-species-difference-between-mouse-and-pig-oocytes-in-their-sensitivity-to-glucorticoids
#14
Shuai Gong, Guang-Yi Sun, Min Zhang, Hong-Jie Yuan, Shuai Zhu, Guang-Zhong Jiao, Ming-Jiu Luo, Jing-He Tan
Although in vitro exposure to physiological concentrations of glucorticoids did not affect maturation of mouse oocytes, it significantly inhibited nuclear maturation of pig oocytes. Studies on this species difference in oocyte sensitivity to glucocorticoids will contribute to our understanding of how stress/glucocorticoids affect oocytes. We showed that glucorticoid receptors (NR3C1) were expressed in both oocytes and cumulus cells (CCs) of both pigs and mice; however, while cortisol inhibition of oocyte maturation was overcome by NR3C1 inhibitor RU486 in pigs, it could not be relieved by RU486 in mice...
May 1, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28402555/deregulation-of-the-endometrial-stromal-cell-secretome-precedes-embryo-implantation-failure
#15
Ruban Rex Peter Durairaj, Asma Aberkane, Lukasz Polanski, Yojiro Maruyama, Miriam Baumgarten, Emma S Lucas, Siobhan Quenby, Jerry K Y Chan, Nick Raine-Fenning, Jan J Brosens, Hilde Van de Velde, Yie Hou Lee
STUDY QUESTION: Is implantation failure following ART associated with a perturbed decidual response in endometrial stromal cells (EnSCs)? SUMMARY ANSWER: Dynamic changes in the secretome of decidualizing EnSCs underpin the transition of a hostile to a supportive endometrial microenvironment for embryo implantation; perturbation in this transitional pathway prior to ART is associated with implantation failure. WHAT IS KNOWN ALREADY: Implantation is the rate-limiting step in ART, although the contribution of an aberrant endometrial microenvironment in IVF failure remains ill defined...
July 1, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28197525/hsd11b1-rs846908-polymorphisms-and-tacrolimus-concentrations-quantum-chemical-analysis-and-implication-in-patients-with-renal-transplantation
#16
Beuy Joob, Viroj Wiwanitkit
No abstract text is available yet for this article.
2017: Journal of Nephropharmacology
https://www.readbyqxmd.com/read/27866059/glucocorticoid-metabolism-in-equine-follicles-and-oocytes
#17
D Scarlet, N Ille, R Ertl, B G Alves, G D A Gastal, S O Paiva, M O Gastal, E L Gastal, C Aurich
The objective of this study was to determine whether (1) systemic and intrafollicular cortisol concentrations in horses are directly related and (2) supraphysiological levels of glucocorticoids affect in vitro maturation (IVM) rates of oocytes. Specifically, we studied the (1) changes in the intrafollicular cortisol and progesterone in context with granulosa cell gene expression during maturation of equine follicles (from 5-9 mm, 10-14 mm, 15-19 mm, 20-24 mm, and ≥25 mm in diameter) and (2) effects of cortisol supplementation on IVM rates and gene expression of equine cumulus-oocyte complexes (COCs)...
October 29, 2016: Domestic Animal Endocrinology
https://www.readbyqxmd.com/read/27775788/local-bone-marrow-renin-angiotensin-system-in-the-genesis-of-leukemia-and-other-malignancies
#18
REVIEW
I C Haznedaroglu, U Y Malkan
The existence of a local renin-angiotensin system (RAS) specific to the hematopoietic bone marrow (BM) microenvironment had been proposed two decades ago. Most of the RAS molecules including ACE, ACE2, AGT, AGTR1, AGTR2, AKR1C4, AKR1D1, ANPEP, ATP6AP2, CMA1, CPA3, CTSA, CTSD, CTSG, CYP11A1, CYP11B1, CYP11B2, CYP17A1, CYP21A2, DPP3, EGFR, ENPEP, GPER, HSD11B1, HSD11B2, IGF2R, KLK1, LNPEP, MAS1, MME, NR3C1, NR3C2, PREP, REN, RNPEP, and THOP1 are locally present in the BM microenvironment. Local BM RAS peptides control the hematopoietic niche, myelopoiesis, erythropoiesis, thrombopoiesis and the development of other cellular lineages...
October 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27736018/cognition-in-aged-rhesus-monkeys-effect-of-dhea-and-correlation-with-steroidogenic-gene-expression
#19
K G Sorwell, L Renner, A R Weiss, M Neuringer, S G Kohama, H F Urbanski
Estradiol supplementation has been shown to enhance cognitive performance in old ovariectomized rhesus macaques (Macaca mulatta). To determine if similar benefits could be achieved in perimenopausal animals using alternative hormonal supplements, we administered dehydroepiandrosterone (DHEA) to old ovary-intact female rhesus macaques for ∼2.5 months. Using computerized touch screen memory tasks, including delayed response (DR) and delayed matching-to-sample (DMS), we observed improved performance with time in all of the animals but failed to detect a significant effect of DHEA...
March 2017: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/27715400/genetic-variation-in-the-11%C3%AE-hydroxysteroid-dehydrogenase-1-gene-determines-nafld-and-visceral-obesity
#20
Stefan Z Lutz, Andreas Peter, Fausto Machicao, Apostolia Lamprinou, Jürgen Machann, Fritz Schick, Ingmar Königsrainer, Alfred Königsrainer, Andreas Fritsche, Harald Staiger, Hans-Ulrich Häring, Norbert Stefan, Konstantinos Kantartzis
CONTEXT/OBJECTIVE: Acute pharmacological inhibition of 11β-hydroxysteroid-dehydrogenase 1 (11β-HSD1), which converts cortisone into the much more potent cortisol in peripheral tissues, results in reduction of total, visceral, and liver fat but not insulin resistance. We now investigated whether lifelong alterations of 11β-HSD1 activity similarly affect these cardiometabolic risk parameters by studying single-nucleotide polymorphisms (SNPs) in the 11β-HSD1-coding gene (HSD11B1). DESIGN/METHODS: Liver fat content was measured by (1)H-magnetic resonance spectroscopy and total and visceral fat mass by (1)H-magnetic resonance tomography in 327 subjects...
December 2016: Journal of Clinical Endocrinology and Metabolism
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