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https://www.readbyqxmd.com/read/28647674/in-pregnancy-increased-maternal-stai-trait-stress-score-shows-decreased-insulin-sensitivity-and-increased-stress-hormones
#1
Georgios Valsamakis, Dimitrios C Papatheodorou, Nikolaos Chalarakis, N Nikolaos Vrachnis, Elpida J Sidiropoulou, Maria Manolikaki, Aimilia Mantzou, Alexandra Margeli, Ioannis Papassotiriou, George P Chrousos, George Mastorakos
INTRODUCTION: Chronic or acute stressors influence maternal and fetal Hypothalamus-Pituitary-Adrenal Axes (HPA) during pregnancy. In this study, the effect of maternal stress into maternal insulin sensitivity was investigated during pregnancy. MATERIALS AND METHODS: Eighty-two pregnant women [aged 27.1±2.5 (mean±SD) yrs; BMI=25±2.2kg/m(2)] had at the 2(nd) and 3(rd) trimesters anthropometry, fasting blood samples (cortisol, Corticotropin Releasing Hormone (CRH), active amylin, Interleukin (IL6)), Oral Glucose Tolerance Test (OGTT) for glucose and insulin, state-trait anxiety inventory (STAI) trait and state questionnaires (for stress assessment)...
June 13, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28646358/metabolomics-of-diabetes-in-pregnancy
#2
REVIEW
Carolyn F McCabe, Wei Perng
PURPOSE OF REVIEW: The purpose of this review is to describe ways in which metabolomics may enhance understanding of gestational diabetes mellitus (GDM) etiology and refine current diagnostic criteria. RECENT FINDINGS: Current clinical recommendations suggest screening for GDM between 24 and 28 of gestational weeks using an oral glucose tolerance test. Despite this consensus, there are discrepancies regarding the exact criteria for GDM diagnosis. Further, emerging evidence has unveiled heterogeneous physiological pathways underlying GDM-specifically, GDM with defective insulin secretion vs...
August 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28644881/gestational-diabetes-mellitus-and-risk-of-type-2-diabetes-10-years-after-the-index-pregnancy-in-sri-lankan-women-a-community-based-retrospective-cohort-study
#3
Himali Herath, Rasika Herath, Rajitha Wickremasinghe
BACKGROUND: Women with a history of gestational diabetes mellitus (GDM) have an increased risk of type 2 diabetes mellitus (T2DM) later in life compared to women with no GDM. This study was aimed to determine the risk of developing T2DM 10 years after GDM in Sri Lankan women. METHODS: A retrospective cohort study was conducted in the Colombo district, Sri Lanka. 7205 women who delivered a child in 2005 were identified through Public Health Midwives in the field...
2017: PloS One
https://www.readbyqxmd.com/read/28641781/pregnancy-to-postpartum-transition-of-serum-metabolites-in-women-with-gestational-diabetes
#4
Elin Chorell, Ulrika Andersson Hall, Carolina Gustavsson, Kerstin Berntorp, Jatta Puhkala, Riitta Luoto, Tommy Olsson, Agneta Holmäng
CONTEXT: Gestational diabetes is commonly linked to development of type 2 diabetes mellitus (T2DM). There is a need to characterize metabolic changes associated with gestational diabetes in order to find novel biomarkers for T2DM. OBJECTIVE: To find potential pathophysiological mechanisms and markers for progression from gestational diabetes mellitus to T2DM by studying the metabolic transition from pregnancy to postpartum. DESIGN: The metabolic transition profile from pregnancy to postpartum was characterized in 56 women by mass spectrometry-based metabolomics; 11 women had gestational diabetes mellitus, 24 had normal glucose tolerance, and 21 were normoglycaemic but at increased risk for gestational diabetes mellitus...
July 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28641780/associations-of-maternal-prenatal-smoking-with-umbilical-cord-blood-hormones-the-project-viva-cohort
#5
Abby F Fleisch, Sheryl L Rifas-Shiman, Lisa B Rokoff, Marie-France Hivert, Christos S Mantzoros, Emily Oken
BACKGROUND: Maternal smoking during pregnancy is associated with low fetal growth and adverse cardiometabolic health in offspring. However, hormonal pathways underlying these associations are unclear. Therefore, we examined maternal smoking habits and umbilical cord blood hormone profiles in a large, prospective cohort. METHODS: We studied 978 mother/infant pairs in Project Viva, a Boston-area cohort recruited 1999-2002. We categorized mothers as early pregnancy smokers, former smokers, or never smokers...
July 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28637889/targeted-metabolomics-demonstrates-distinct-and-overlapping-maternal-metabolites-associated-with-bmi-glucose-and-insulin-sensitivity-during-pregnancy-across-four-ancestry-groups
#6
Saya Jacob, Michael Nodzenski, Anna C Reisetter, James R Bain, Michael J Muehlbauer, Robert D Stevens, Olga R Ilkayeva, Lynn P Lowe, Boyd E Metzger, Christopher B Newgard, Denise M Scholtens, William L Lowe
OBJECTIVE: We used targeted metabolomics in pregnant mothers to compare maternal metabolite associations with maternal BMI, glycemia, and insulin sensitivity. RESEARCH DESIGN AND METHODS: Targeted metabolomic assays of clinical metabolites, amino acids, and acylcarnitines were performed on fasting and 1-h postglucose serum samples from European ancestry, Afro-Caribbean, Thai, and Mexican American mothers (400 from each ancestry group) who participated in the Hyperglycemia and Adverse Pregnancy Outcome (HAPO) Study and underwent an oral glucose tolerance test at ∼28 weeks gestation...
July 2017: Diabetes Care
https://www.readbyqxmd.com/read/28637888/maternal-bmi-and-glycemia-impact-the-fetal-metabolome
#7
William L Lowe, James R Bain, Michael Nodzenski, Anna C Reisetter, Michael J Muehlbauer, Robert D Stevens, Olga R Ilkayeva, Lynn P Lowe, Boyd E Metzger, Christopher B Newgard, Denise M Scholtens
OBJECTIVE: We used targeted metabolomics to determine associations of maternal BMI and glucose levels with cord blood metabolites and associations of cord blood metabolites with newborn birth weight and adiposity in mother-offspring dyads. RESEARCH DESIGN AND METHODS: Targeted metabolomic assays were performed on cord blood serum samples from European ancestry, Afro-Caribbean, Thai, and Mexican American newborns (400 from each ancestry group) whose mothers participated in the Hyperglycemia and Adverse Pregnancy Outcome (HAPO) Study and who had anthropometric measurements at birth...
July 2017: Diabetes Care
https://www.readbyqxmd.com/read/28636758/fetal-overnutrition-and-offspring-insulin-resistance-and-%C3%AE-cell-function-the-exploring-perinatal-outcomes-among-children-epoch-study
#8
K A Sauder, C W Hockett, B M Ringham, D H Glueck, D Dabelea
AIMS: To examine the associations of intrauterine exposure to maternal diabetes and obesity with offspring insulin resistance, β-cell function and oral disposition index in a longitudinal observational study of ethnically diverse offspring. METHODS: A total of 445 offspring who were exposed (n=81) or not exposed (n=364) to maternal diabetes in utero completed two fasting blood measurements at mean (sd) ages of 10.5 (1.5) and 16.5 (1.2) years, respectively, and an oral glucose tolerance test at the second visit...
June 21, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28632493/interplay-between-papp-a-inflammation-and-adiposity-in-patients-with-angiographically-proven-acute-coronary-syndrome-acs
#9
Khageshwar Mahato, Moushumi Lodh, Ashok Parida, Ashok Kr Ahirwar, Rashmi Rasi Datta, Binita Goswami
Introduction Studies conducted in the recent past have demonstrated the role of inflammation, obesity and dysfunctional insulin signaling as contributing factors in the pathogenesis of acute coronary syndrome (ACS). However, pharmacological interventions targeting a single pathway have not proven useful in the long run. This indicates that a synergism occurs between the various risk factors and hence calls for a combinatorial approach. This study was planned to study the interplay, if any, between pregnancy associated plasma protein-A (PAPP-A), inflammation and adiposity in patients with ACS...
June 21, 2017: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/28631849/experiences-of-closed-loop-insulin-delivery-among-pregnant-women-with-type-1-diabetes
#10
C Farrington, Z A Stewart, K Barnard, R Hovorka, H R Murphy
AIMS: To explore the experiences of pregnant women with Type 1 diabetes, and the relationships between perceptions of glucose control, attitudes to technology and glycaemic responses with regard to closed-loop insulin delivery. METHODS: We recruited 16 pregnant women with Type 1 diabetes [mean ± sd age 34.1 ± 4.6 years, duration of diabetes 23.6 ± 7.2 years, baseline HbA1c 51±5 mmol/mol (6.8 ± 0.6%)] to a randomized crossover trial of sensor-augmented pump therapy vs automated closed-loop therapy...
June 20, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28628847/the-importance-of-declining-insulin-requirements-during-pregnancy-in-patients-with-pre-gestational-gestational-diabetes-mellitus
#11
Maya Ram, Larissa Feinmesser, Shiri Shinar, Sharon Maslovitz
OBJECTIVE: In patients with pre-gestational and gestational diabetes mellitus (GDM), insulin requirements often increase during the third trimester of pregnancy in order to maintain proper glycemic control. However, a fraction of patients demonstrate a significant decrease in insulin requirements in late gestation. We aimed to evaluate the clinical significance of decreasing insulin requirements in patients with pre-gestational diabetes and GDM with respect to fetal wellbeing and pregnancy outcome...
June 3, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28625035/programming-of-infant-neurodevelopment-by-maternal-obesity-potential-role-of-maternal-inflammation-and-insulin-resistance
#12
Mira Dewi, Susan E Carlson, Kathleen M Gustafson, Debra K Sullivan, Jo A Wick, Holly R Hull
BACKGROUND AND OBJECTIVES: Recent studies show that maternal obesity is associated with impaired offspring neurodevelopmental outcomes. The mechanism underlying the association is unclear. However, there is evidence to suggest a role for intra-uterine exposure to inflammation and insulin resistance (IR). We aimed to determine if maternal IR and inflammation were associated to fetal neurodevelopment as indicated by fetal heart rate variability (HRV), an index of fetal cardiac autonomic nervous system development...
June 2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28624989/ponderal-index-at-birth-associates-with-later-risk-of-gestational-diabetes-mellitus
#13
Mie Crusell, Peter Damm, Torben Hansen, Oluf Pedersen, Charlotte Glümer, Allan Vaag, Jeannet Lauenborg
PURPOSE: Low birth weight (BW) and low ponderal index (PI) are associated with increased risk of type 2 diabetes mellitus. This study has two purposes: first to investigate the influence of PI on the risk of gestational diabetes mellitus (GDM); second, to study the association between glucose metabolism and BW in women with previous GDM. METHODS: GDM cohort: 185 women with GDM in 1978-1996, attending a follow-up study in 2000-2002. Control cohort: 1137 women from a population-based diabetes screening study (Inter99) in a neighbouring county in 1999-2001...
June 17, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28621051/plasma-microrna-16-5p-17-5p-and-20a-5p-novel-diagnostic-biomarkers-for-gestational-diabetes-mellitus
#14
Ya-Lei Cao, Yan-Ju Jia, Bao-Heng Xing, Dan-Dan Shi, Xiu-Juan Dong
AIM: To explore whether plasma microRNA-16-5p, -17-5p and -20a-5p can be used as diagnostic biomarkers in gestational diabetes mellitus (GDM) and to investigate the relationship between those microRNAs and the risk factors of GDM (body mass index [BMI], insulin resistance [IR] and tumor necrosis factor-α (TNF-α)). METHODS: A total of 85 pregnant women with GDM and 72 pregnant women without GDM were enrolled in this study. The plasma concentration of microRNAs (microRNA-16-5p, -17-5p, -19a-3p, -19b-3p, -20a-5p) was measured using quantitative reverse transcription-polymerase chain reaction (qRT-PCR)...
June 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28617846/a-metabolite-of-leucine-%C3%AE-hydroxy-%C3%AE-methylbutyrate-given-to-sows-during-pregnancy-alters-bone-development-of-their-newborn-offspring-by-hormonal-modulation
#15
Tomasz Blicharski, Ewa Tomaszewska, Piotr Dobrowolski, Monika Hułas-Stasiak, Siemowit Muszyński
The effects of dietary β-hydroxy-β-methylbutyrate (HMB) supplementation during gestation on bone, growth plate, and articular cartilage in newborns were determined. Thermal analysis of articular cartilage was performed to examine the structural changes in collagen. At day 70 of gestation, a total of 12 sows (Large White Polish breed, at the second parity) were randomly assigned to two groups, with each group receiving either a basal diet or the same diet supplemented with 0.2 g/day HMB until the 90th day...
2017: PloS One
https://www.readbyqxmd.com/read/28617561/cervicovaginal-bacteria-and-fungi-in-pregnant-diabetic-and-non-diabetic-women-a-multicenter-observational-cohort-study
#16
A Lukic, A Napoli, I Santino, P Bianchi, F Nobili, G Ciampittiello, M R Nardone, M Santomauro, M Di Properzio, D Caserta
OBJECTIVE: We evaluated the prevalence of cervicovaginal Bacteria, group B Streptococcus (GBS), Gardnerella vaginalis (GV), Candida spp., Chlamydia trachomatis (CT), Mycoplasma hominis (MH) and Ureaplasma urealyticum (UU) in pregnant women with and without diabetes mellitus (DM). PATIENTS AND METHODS: Cervicovaginal swabs were gathered from 473 pregnant patients divided into 127 diabetic and 346 non-diabetic. The results were correlated to gestational age, parity and glycemic control...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28598424/raptor-regulates-functional-maturation-of-murine-beta-cells
#17
Qicheng Ni, Yanyun Gu, Yun Xie, Qinglei Yin, Hongli Zhang, Aifang Nie, Wenyi Li, Yanqiu Wang, Guang Ning, Weiqing Wang, Qidi Wang
Diabetes is associated with beta cell mass loss and islet dysfunctions. mTORC1 regulates beta cell survival, proliferation and function in physiological and pathological conditions, such as pregnancy and pancreatectomy. Here we show that deletion of Raptor, which is an essential component of mTORC1, in insulin-expressing cells promotes hypoinsulinemia and glucose intolerance. Raptor-deficient beta cells display reduced glucose responsiveness and exhibit a glucose metabolic profile resembling fetal beta cells...
June 9, 2017: Nature Communications
https://www.readbyqxmd.com/read/28596541/association-of-maternal-and-fetal-lepr-common-variants-with-maternal-glycemic-traits-during-pregnancy
#18
Rong Lin, Hongfang Ju, Ziyu Yuan, Liangliang Zeng, Yuantian Sun, Zhenyu Su, Yajun Yang, Yi Wang, Li Jin
Recent studies suggested that maternal and placental leptin receptor (LEPR) may be involved in maternal glucose metabolism in pregnancy. To identify maternal and fetal LEPR common variants influencing gestational glycemic traits, we performed association study of 24-28-week maternal fasting glucose, glucose 1 hour after the consumption of a 50-g oral glucose load, fasting insulin and indices of beta-cell function (HOMA-β) and insulin resistance (HOMA-IR) in 1,112 unrelated women and their children. Follow-up of 36 LEPR loci identified 3 maternal loci (rs10889567, rs1137101 and rs3762274) associated with fasting glucose, these 3 fetal loci associated with fasting insulin and HOMA1-IR, as well as these 3 maternal-fetal loci combinations associated with HOMA2-β...
June 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28596078/identification-of-an-oxytocinase-vasopressinase-like-leucyl-cystinyl-aminopeptidase-lnpep-in-teleost-fish-and-evidence-for-hypothalamic-mrna-expression-linked-to-behavioral-social-status
#19
Emma A Elkins, Kayla A Walti, Kathryn E Newberry, Sean C Lema
The vasotocin/vasopressin and isotocin/mesotocin/oxytocin family of nonapeptides regulate social behaviors and physiological functions associated with reproductive physiology and osmotic balance. While experimental and correlative studies provide evidence for these nonapeptides as modulators of behavior across all classes of vertebrates, mechanisms for nonapeptide inactivation in regulating these functions have been largely overlooked. Leucyl-cystinyl aminopeptidase (LNPEP) - also known as vasopressinase, oxytocinase, placental leucine aminopeptidase (P-LAP), and insulin-regulated aminopeptidase (IRAP) - is a membrane-bound zinc-dependent metalloexopeptidase enzyme that inactivates vasopressin, oxytocin, and select other cyclic polypeptides...
June 6, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28592512/higher-maternal-protein-intake-during-pregnancy-is-associated-with-lower-cord-blood-concentrations-of-insulin-like-growth-factor-igf-ii-igf-binding-protein-3-and-insulin-but-not-igf-i-in-a-cohort-of-women-with-high-protein-intake
#20
Karen M Switkowski, Paul F Jacques, Aviva Must, Marie-France Hivert, Abby Fleisch, Matthew W Gillman, Sheryl Rifas-Shiman, Emily Oken
Background: Prenatal exposure to dietary protein may program growth-regulating hormones, consequently influencing early-life growth patterns and later risk of associated chronic diseases. The insulin-like growth factor (IGF) axis is of particular interest in this context given its influence on pre- and postnatal growth and its sensitivity to the early nutritional environment.Objective: Our objective was to examine associations of maternal protein intake during pregnancy with cord blood concentrations of IGF-I, IGF-II, IGF binding protein-3 (IGFBP-3), and insulin...
June 7, 2017: Journal of Nutrition
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