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https://www.readbyqxmd.com/read/28918470/assessment-of-glucose-regulation-in-pregnancy-after-gastric-bypass-surgery
#1
Christian S Göbl, Latife Bozkurt, Andrea Tura, Michael Leutner, Laura Andrei, Lukas Fahr, Peter Husslein, Wolfgang Eppel, Alexandra Kautzky-Willer
AIMS/HYPOTHESIS: Roux-en-Y gastric bypass (RYGB) surgery is characterised by glycaemic variability. Prospective studies of glucose metabolism in pregnancy after RYGB are not available, therefore this study aimed to evaluate physiological alterations in glucose metabolism in pregnancy following RYGB. METHODS: Sixty-three pregnant women (25 who underwent RYGB, 19 non-operated obese control women and 19 normal weight control women) were included. Frequently sampled 3 h OGTTs and 1 h IVGTTs were performed between 24 and 28 weeks of gestation and, in a subgroup, were repeated at 3-6 months after delivery...
September 16, 2017: Diabetologia
https://www.readbyqxmd.com/read/28916763/maternal-diabetes-causes-developmental-delay-and-death-in-early-somite-mouse-embryos
#2
Jing Zhao, Theodorus B M Hakvoort, Jan M Ruijter, Aldo Jongejan, Jan Koster, Sigrid M A Swagemakers, Aleksandar Sokolovic, Wouter H Lamers
Maternal diabetes causes congenital malformations and delays embryonic growth in the offspring. We investigated effects of maternal diabetes on mouse embryos during gastrulation and early organogenesis (ED7.5-11.5). Female mice were made diabetic with streptozotocin, treated with controlled-release insulin implants, and mated. Maternal blood glucose concentrations increased up to embryonic day (ED) 8.5. Maternal hyperglycemia induced severe growth retardation (approx.1 day) in 53% of the embryos on ED8.5, death in most of these embryos on ED9...
September 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28913889/prevalence-and-contributors-to-low-grade-inflammation-in-three-u-s-populations-of-reproductive-age-women
#3
Lindsey A Sjaarda, Rose G Radin, Chandra Swanson, Daniel L Kuhr, Sunni L Mumford, Noya Galai, Robert M Silver, Jean Wactawski-Wende, Neil J Perkins, Enrique F Schisterman
BACKGROUND: Inflammation, measured by high-sensitivity C-reactive protein (hsCRP), is linked to adverse reproductive outcomes. However, prevalence and predictors of low-grade inflammation are poorly understood among reproductive age women. Therefore, the current aim was to characterize: (i) the prevalence of elevated hsCRP and (ii) whether the association of various demographic, anthropometric, life style, and metabolic characteristics with higher hsCRP varies across populations of reproductive age women with varying risk profiles for adverse reproductive outcomes...
September 15, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28911368/systemic-adiponectin-treatment-reverses-polycystic-ovary-syndrome-like-features-in-an-animal-model
#4
Anusha Singh, Puran Bora, Amitabh Krishna
The present study examined the efficacy of adiponectin for regulating the reproductive, metabolic and fertility status of mice with polycystic ovary syndrome (PCOS). PCOS was induced in prepubertal (21- to 22-day-old) mice using dehydroepiandrosterone (6mg 100g-1day-1 for 25days), after which mice were administered either a low or high dose of adiponectin (5 or 15µgmL-1, s.c., respectively). PCOS mice exhibited typical features, including the presence of numerous cystic follicles, increased circulating androgens, increased body mass, altered steroidogenesis, decreased insulin receptor expression and increased serum triglycerides, serum glucose, Toll-like receptor (TLR)-4 (a marker of inflammation) and vascular endothelial growth factor (VEGF; a marker of angiogenesis)...
September 15, 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/28911214/growth-regulation-by-estrogen-in-breast-cancer-1-greb1-is-a-novel-progesterone-responsive-gene-required-for-human-endometrial-stromal-decidualization
#5
Alison J Camden, Maria M Szwarc, Sangappa B Chadchan, Francesco J DeMayo, Bert W O'Malley, John P Lydon, Ramakrishna Kommagani
STUDY QUESTION: Is Growth Regulation by Estrogen in Breast Cancer 1 (GREB1) required for progesterone-driven endometrial stromal cell decidualization? SUMMARY ANSWER: GREB1 is a novel progesterone-responsive gene required for progesterone-driven human endometrial stromal cell (HESC) decidualization. WHAT IS KNOWN ALREADY: Successful establishment of pregnancy requires HESCs to transform from fibroblastic to epithelioid cells in a process called decidualization...
September 1, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28911149/insulin-like-growth-factor-bioactivity-stanniocalcin-2-pregnancy-associated-plasma-protein-a-and-igf-binding-protein-4-in-pleural-fluid-and-serum-from-patients-with-pulmonary-disease
#6
Ulrick Skipper Espelund, Mette Bjerre, Rikke Hjortebjerg, Torben Riis Rasmussen, Anders Lundby, Andreas Hoeflich, Birgitte Holst Folkersen, Claus Oxvig, Jan Frystyk
Context: Members of the insulin-like growth factor (IGF) system are primarily produced in the liver and secreted into the circulation, but they are also produced, recruited, and activated locally in tissues. Objective: To compare activity and concentrations of IGF system components in pleural fluid and blood. Design: Pathological pleural fluid, secondary to lung cancer or nonmalignant disease, and matching blood samples were collected from 24 patients ages 66...
September 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28910276/igf2-stimulates-fetal-growth-in-a-sex-and-organ-dependent-manner
#7
Veronica White, Alicia Jawerbaum, Maria Belen Mazzucco, Martin Gauster, Gernot Desoye, Ursula Hiden
BACKGROUND: IGF2 is a key determinant of fetal growth, and altered expression of IGF2 is implicated in fetal growth disorders and maternal metabolic derangements including gestational diabetes. Here we studied how increased levels of IGF2 in late pregnancy affect fetal growth. METHODS: We employed a rat model of repeated intra-fetal IGF2 administration in late pregnancy, i.e. during GD19-GD21, and measured the consequences on fetal organ weight and expression of insulin/IGF-axis components...
September 14, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28901851/gestational-diabetes-mellitus-post-partum-risk-and-follow-up
#8
Silpa Poola-Kella, Rachel A Steinman, Bayan Mesmar, Rana Malek
BACKGROUND: Women with gestational diabetes mellitus (GDM) are at an increased risk for developing metabolic syndrome, type 2 diabetes mellitus (T2DM), and cardiovascular disease. In this review, we will discuss postpartum cardiovascular and diabetes risk in women with a history of GDM and different ways to improve postpartum screening. METHODS: This review involves a comprehensive literature review on gestational diabetes and post-partum risk for cardiovascular disease and diabetes mellitus as well as post-partum screening methods...
September 11, 2017: Reviews on Recent Clinical Trials
https://www.readbyqxmd.com/read/28889219/a-validated-uplc-ms-ms-method-coupled-with-protein-precipitation-and-ion-exchange-solid-phase-extraction-for-the-quantitation-of-porcine-relaxin-b29-in-dog-plasma-and-its-application-to-a-pharmacokinetic-study
#9
Chong Su, Hui Sun, Hong Yang, Lei Yin, Jiwen Zhang, John Paul Fawcett, Jingkai Gu
Porcine relaxin is a 6 kDa peptide hormone of pregnancy with important physiological and pharmacological effects. It contains a number of analogs of which porcine relaxin B29 is one of the most important. To support the development of porcine relaxin B29 as a new drug, we established an UPLC-MS/MS method for its quantitation in dog plasma. Sample preparation by protein precipitation and ion exchange solid phase extraction was followed by UPLC on an XBridge™ BEH300 C18 column at 40 °C in a run time of only 5...
September 9, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28888896/hormonal-profile-and-follicular-dynamics-concurrent-with-cidr-and-insulin-modified-ovsync-tai-programs-and-their-impacts-on-the-fertility-response-in-buffaloes
#10
A A Ramoun, A M Emara, B A Heleil, S A Darweish, H A Abou-Ghait
Fifty one cyclic Egyptian buffaloes were used to study the hormonal profile and follicular dynamics concurrent with CIDR and insulin modified Ovsync TAI programs and their impacts on the consequent fertility responses. The buffaloes were randomly assigned into 3 ovulation synchronization protocols: Ovsync-alone (n = 13, control) CIDR-sync (n = 20) and Insulin-sync (n = 18). Ovsync-alone protocol consisted of two im injections of 20 μg bueserlin (GnRHa) on Day 0 (GnRH 1) and on Day 9 (GnRH 2) with an im injection of 500 μg of cloprostenol sodium (PGF2 α) on Day 7...
August 19, 2017: Theriogenology
https://www.readbyqxmd.com/read/28886563/prenatal-anxiety-effects-a-review
#11
Tiffany Field
This review is based on literature on prenatal anxiety effects that was found on Pubmed and PsycINFO for the years 2010-2016. Prenatal anxiety is thought to have distinct features, although it has been measured both by specific prenatal anxiety symptoms as well as by standardized anxiety scales. Its prevalence has ranged from 21 to 25% and it has been predicted by a number of pregnancy - related variables such as unintended pregnancy, demographic variables such as low acculturation and income and psychosocial factors including pessimism and partner tension...
September 5, 2017: Infant Behavior & Development
https://www.readbyqxmd.com/read/28886253/female-offspring-born-to-obese-and-insulin-resistant-dams-are-not-at-increased-risk-for-obesity-and-metabolic-dysfunction-during-early-development
#12
Hanin Aburasayn, Rami Al Batran, Keshav Gopal, Malak Almutairi, Amina Eshreif, Farah Eaton, John Ussher
The percentage of women who are obese at the time of conception/pregnancy is increasing, with animal and human studies demonstrating that offspring born to obese dams/mothers are at increased risk for obesity and the metabolic syndrome. Our goal was to confirm in an experimental model of metabolic syndrome in the dam, whether the offspring would be at increased risk of obesity. Conversely, we observed that male offspring born to dams with metabolic syndrome had no alterations in their body weight profiles, whereas female offspring born to dams with metabolic syndrome were heavier at weaning, but exhibited no perturbations in energy metabolism...
September 8, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28884000/catabolic-and-anabolic-faces-of-insulin-resistance-and-their-disorders-a-new-insight-into-circadian-control-of-metabolic-disorders-leading-to-diabetes
#13
REVIEW
Polina M Schwartsburd
Maintenance of glucose homeostasis during circadian behavioral cycles is critical. The processes controlling the switch between predominant lipolysis/fatty oxidation during fasting and predominant lipid storage/glucose oxidation following feeding are determined principally by insulin. Chronic elevated threshold of insulin resistance (IR) is a key pathological feature of obesity, Type 2 diabetes, sepsis and cancer cachexia; however, a temporal reduced threshold of IR is widely met in fasting/hibernation, pregnancy, antibacterial immunity, exercise and stress...
August 2017: Future Science OA
https://www.readbyqxmd.com/read/28883617/performance-of-cervical-phigfbp-1-test-alone-or-combined-with-short-cervical-length-to-predict-spontaneous-preterm-birth-in-symptomatic-women
#14
Florent Fuchs, Marie Houllier, Soizic Leparco, Anne Guyot, Marie-Victoire Senat, Hervé Fernandez
We aimed to assess the accuracy of cervical phosphorylated insulin-like growth factor binding protein-1 (phIGFBP-1) test alone or in combination with cervical length (CL), to predict preterm birth (PTB) in symptomatic women. We performed a prospective cohort study from 2012 to 2015 including singleton pregnancies with symptoms of preterm labor, intact membranes and CL < 25 mm at 24-34 weeks of gestation. Studied outcome were spontaneous delivery within 7 and 14 days of testing and spontaneous PTB at <34 and <37 weeks of gestation...
September 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28875223/circulating-adipokines-are-associated-with-pre-eclampsia-in-women-with-type-1-diabetes
#15
Clare B Kelly, Michelle B Hookham, Jeremy Y Yu, Samuel M Lockhart, Mei Du, Alicia J Jenkins, Alison Nankervis, Kristian F Hanssen, Tore Henriksen, Satish K Garg, Samar M Hammad, James A Scardo, Christopher E Aston, Christopher C Patterson, Timothy J Lyons
AIMS/HYPOTHESIS: The incidence of pre-eclampsia, a multisystem disorder of pregnancy, is fourfold higher in type 1 diabetic than non-diabetic women; it is also increased in women with features of the metabolic syndrome and insulin resistance. In a prospective study of pregnant women with type 1 diabetes, we measured plasma levels of adipokines known to be associated with insulin resistance: leptin, fatty acid binding protein 4 (FABP4), adiponectin (total and high molecular weight [HMW]; also known as high molecular mass), retinol binding protein 4 (RBP4) and resistin and evaluated associations with the subsequent development of pre-eclampsia...
September 5, 2017: Diabetologia
https://www.readbyqxmd.com/read/28868248/the-window-of-implantation-is-closed-by-estrogen-via-insulin-like-growth-factor-1-pathway
#16
Ryosuke Kobayashi, Jumpei Terakawa, Tsutomu Omatsu, Yupadee Hengjan, Tetsuya Mizutani, Yasushige Ohmori, Eiichi Hondo
BACKGROUND: The opening and closing of the implantation window is important for successful pregnancy in eutherians. The recent study demonstrated that the window of uterine receptivity was prepared by the sole action of progesterone in mice, but the mechanism to close the window remained to be elucidated. METHODS: The pregnant mice were ovariectomized on the evening on the third day of pregnancy with a single injection of medroxyprogesterone acetate to induce delayed implantation (DI)...
April 2017: Journal of Reproduction & Infertility
https://www.readbyqxmd.com/read/28865728/gender-specific-association-of-exposure-to-non-dioxin-like-polychlorinated-biphenyls-during-pregnancy-with-methylation-levels-of-h19-and-long-interspersed-nuclear-element-1-in-cord-blood-in-the-hokkaido-study
#17
Sumitaka Kobayashi, Fumihiro Sata, Chihiro Miyashita, Ryu Miura, Kaoru Azumi, Sachiko Kobayashi, Houman Goudarzi, Atsuko Araki, Mayumi Ishizuka, Takashi Todaka, Jumboku Kajiwara, Tsuguhide Hori, Reiko Kishi
BACKGROUND: Associations between prenatal exposure to polychlorinated biphenyls (PCBs) and reduced birth-size, and between DNA methylation of insulin-like growth factor-2 (IGF-2), H19 locus, and long interspersed nuclear element-1 (LINE-1) and reduced birth-size are well established. To date, however, studies on the associations between prenatal exposure to PCBs and alterations in methylation of IGF-2, H19, and LINE-1 are lacking. Thus, in this study, we examined these associations with infant-gender stratification...
August 30, 2017: Toxicology
https://www.readbyqxmd.com/read/28864965/pharmacological-management-of-gestational-diabetes-mellitus
#18
Geetha Mukerji, Denice S Feig
Gestational diabetes mellitus (GDM) is associated with an increased risk of adverse pregnancy outcomes in the setting of poor glycemic control. The initial management for GDM includes intensive lifestyle modification, which often requires behavioral and nutritional changes to optimize glycemic control. Pharmacotherapy for GDM is initiated when glycemic targets are not met. The rapid-acting bolus analogues aspart and lispro achieve postprandial targets with less hypoglycemia compared to regular insulin, with similar fetal outcomes...
September 2, 2017: Drugs
https://www.readbyqxmd.com/read/28851248/long-term-testosterone-treatment-during-pregnancy-does-not-alter-insulin-or-glucose-profile-in-a-sheep-model-of-polycystic-ovary-syndrome
#19
Monica Recabarren, Albert Carrasco, Daniel Sandoval, Felipe Diaz, Teresa Sir-Petermann, Sergio E Recabarren
The administration of testosterone to pregnant sheep to resemble fetal programming of the polycystic ovary syndrome could alter other hormones/factors of maternal origin with known effects on fetal growth. Hence, we studied the weekly profile of insulin, progesterone and glucose during a treatment with testosterone propionate given biweekly from weeks 5 to 17 of pregnancy (term at 21 weeks) and checked the outcome of their fetuses at 17 weeks of gestation after C-section. Control dams were only exposed to the vehicle of the hormone...
September 7, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28843695/effect-of-hormonal-and-energy-related-factors-on-plasma-adiponectin-in-transition-dairy-cows
#20
C S Krumm, S L Giesy, L S Caixeta, W R Butler, H Sauerwein, J W Kim, Y R Boisclair
In transition dairy cows, plasma levels of the insulin-sensitizing hormone adiponectin fall to a nadir at parturition and recover in early lactation. The transition period is also characterized by rapid changes in metabolic and hormonal factors implicated in other species as positive regulators of adiponectin production (i.e., negative energy balance, lipid mobilization) and others as negative regulators (i.e., reduced leptin and insulin and increased growth hormone and plasma fatty acids). To assess the role of onset of negative energy balance and lipid mobilization after parturition, dairy cows were either milked thrice daily (lactating) or never milked (nonlactating) for up to 4 wk after parturition...
August 23, 2017: Journal of Dairy Science
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