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"Growth restriction"

Mary A M Cleaton, Claire L Dent, Mark Howard, Jennifer A Corish, Isabelle Gutteridge, Ulla Sovio, Francesca Gaccioli, Nozomi Takahashi, Steven R Bauer, D Steven Charnock-Jones, Theresa L Powell, Gordon C S Smith, Anne C Ferguson-Smith, Marika Charalambous
Pregnancy is a state of high metabolic demand. Fasting diverts metabolism to fatty acid oxidation, and the fasted response occurs much more rapidly in pregnant women than in non-pregnant women. The product of the imprinted DLK1 gene (delta-like homolog 1) is an endocrine signaling molecule that reaches a high concentration in the maternal circulation during late pregnancy. By using mouse models with deleted Dlk1, we show that the fetus is the source of maternal circulating DLK1. In the absence of fetally derived DLK1, the maternal fasting response is impaired...
October 24, 2016: Nature Genetics
Gavino Faa, Mirko Manchia, Roberta Pintus, Clara Gerosa, Maria Antonietta Marcialis, Vassilios Fanos
Starting from the Developmental Origins of Health and Disease (DOHaD) hypotheses proposed by David Barker, namely fetal programming, in the past years, there is a growing evidence of the major role played by epigenetic factors during the intrauterine life and the perinatal period. Furthermore, it has been assessed that these factors can affect the health status in infancy and even in adulthood. In this review, we focus our attention on the fetal programming of the brain, analyzing the most recent literature concerning the epigenetic factors that can influence the development of neuropsychiatric disorders such as bipolar disorders, major depressive disorders, and schizophrenia...
October 24, 2016: Birth Defects Research. Part C, Embryo Today: Reviews
Kelly J McKelvey, Vanessa M Yenson, Anthony W Ashton, Jonathan M Morris, Sharon A McCracken
Inbred strains of mice are powerful models for understanding human pregnancy complications. For example, the exclusive mating of CBA/J females to DBA/2J males increases fetal resorption to 20-35% with an associated decline in placentation and maintenance of maternal Th1 immunity. More recently other complications of pregnancy, IUGR and preeclampsia, have been reported in this model. The aim of this study was to qualify whether the CBA/CaH substrain female can substitute for CBA/J to evoke a phenotype of embryonic/fetal mortality and IUGR...
October 21, 2016: Scientific Reports
Mais M Aljunaidy, Jude S Morton, Christy-Lynn Cooke, Sandra T Davidge
Intrauterine growth restriction (IUGR) is a common pregnancy complication and is a leading cause of fetal morbidity and mortality. Placental hypoxia contributes to adverse fetal consequences, including IUGR. Exposing pregnant rats to hypoxia can lead to IUGR; however, assessment of maternal vascular function in a rat model of hypoxia, and the mechanisms that may contribute to adverse pregnancy outcomes, has not been extensively studied. We hypothesized that exposing pregnant rats to hypoxia will affect maternal systemic vascular function and increase the uterine artery resistance index (RI), which will be associated with IUGR...
October 19, 2016: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
Y Wang, Y Wei, P B Yuan, X J Wang, Y Y Zhao
Objective: To analyze the prognosis of surviving monochorionic co-twin after single intrauterine fetal demise (sIUFD). Methods: Retrospectively analyzed the twin pregnancy cases admitted in Peking University Third Hospital between Jan 2008 and Feb 2015. We recorded perinatal characteristics, neuroimage in co-twin, and followed up the neonatal outcome. Results: 47 cases were found, including 45 cases of monochorionic diamniotic (MCDA) and 2 cases of monochorionic monoamniotic (MCMA). Median gestational age at sIUFD was 27 weeks...
October 11, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
Sebastian Kwiatkowski, Barbara Dołęgowska, Ewa Kwiatkowska, Rafał Rzepka, Andrzej Torbè, Magdalena Bednarek-Jędrzejek
Preeclampsia and intrauterine growth restriction are two separate disease entities that, according to numerous reports, share the same pathogenesis. In both, angiogenesis disorders and generalized inflammation are the dominant symptoms. In this study, we hypothesized that both diseases demonstrate the same profile in early preeclampsia, late preeclampsia, and intrauterine growth restriction patients, with the only difference being the degree of exacerbation of lesions. One hundred sixty-seven patients were enrolled in the study and divided into four groups: early preeclampsia, late preeclampsia, and intrauterine growth restriction groups, and one control group...
2016: PloS One
Damien Seth Hunter, Susan J Hazel, Karen L Kind, Hong Liu, Danila Marini, Lynne C Giles, Miles J De Blasio, Julie A Owens, Julia B Pitcher, Kathryn L Gatford
Poor perinatal growth in humans results in asymmetrical grey matter loss in fetuses and infants and increased functional and behavioural asymmetry, but specific contributions of pre- and postnatal growth are unclear. We therefore compared strength and direction of lateralization in obstacle avoidance and maze exit preference tasks in offspring of placentally restricted (PR: 10M, 13F) and control (CON: 23M, 17F) sheep pregnancies at 18 and 40 weeks of age, and examined gross brain structure of the prefrontal cortex at 52 weeks of age (PR: 14M, 18F; CON: 23M, 25F)...
October 19, 2016: Laterality
N M Scott, J F Lauzon-Joset, A C Jones, K T Mincham, N M Troy, J Leffler, M Serralha, S L Prescott, S A Robertson, C Pasquali, A Bosco, P G Holt, D H Strickland
Infection-associated inflammatory stress during pregnancy is the most common cause of fetal growth restriction and/or miscarriage. Treatment strategies for protection of at-risk mothers are limited to a narrow range of vaccines, which do not cover the bulk of the common pathogens most frequently encountered. Using mouse models, we demonstrate that oral treatment during pregnancy with a microbial-derived immunomodulator (OM85), currently used clinically for attenuation of infection-associated airway inflammatory symptoms in infants-adults, markedly reduces risk for fetal loss/growth restriction resulting from maternal challenge with bacterial lipopolysaccharide or influenza...
October 19, 2016: Mucosal Immunology
Arsenio Spinillo, Fausta Beneventi, Elena Locatelli, Vèronique Ramoni, Roberto Caporali, Claudia Alpini, Giulia Albonico, Chiara Cavagnoli, Carlomaurizio Montecucco
BACKGROUND: The burden of pregnancy complications associated with well defined, already established systemic rheumatic diseases preexisting pregnancy such as rheumatoid arthritis, systemic lupus erythematosus or scleroderma is well known. Systemic rheumatic diseases are characterized by a long natural history with few symptoms, an undifferentiated picture or a remitting course making difficult a timely diagnosis. It has been suggested that screening measures for these diseases could be useful but the impact of unrecognized systemic rheumatic disorders on pregnancy outcome is unknown...
October 18, 2016: BMC Pregnancy and Childbirth
Kathryn J Sharma, Tania F Esakoff, Alyson Guillet, Richard M Burwick, Aaron B Caughey
OBJECTIVE: To determine whether adverse outcomes were more common in late preterm pregnancies complicated by preeclampsia and growth restriction compared to those affected by preeclampsia alone. METHODS: This was a retrospective cohort study of 8,927 singleton pregnancies with preeclampsia. Pregnancies with small for gestational age (SGA) neonates (birthweight <10(th) percentile) were compared to those appropriate for gestational age (AGA) neonates. Maternal outcomes included cesarean delivery (CD) rate, CD for fetal heart rate (FHR) abnormalities, abruption, postpartum hemorrhage (PPH), maternal transfusion, acute renal failure, and peripartum cardiomyopathy...
October 19, 2016: Journal of Maternal-fetal & Neonatal Medicine
Rosemary Townsend, Asma Khalil
PURPOSE OF REVIEW: Selective intrauterine growth restriction (sIUGR) in twin pregnancies presents a complex management problem for the fetal medicine specialist. This review summarizes what is currently known about sIUGR pathophysiology, particularly in monochorionic pregnancies and looks at the results of early trials of fetal intervention in high-risk sIUGR pregnancies. RECENT FINDINGS: sIUGR in monochorionic pregnancies is due to unequal placental sharing, but the clinical outcome is determined by the characteristics of the placental vascular anastomoses...
October 15, 2016: Current Opinion in Obstetrics & Gynecology
Yutong Su, Xiuli Jiang, Yanli Li, Feng Li, Yulong Cheng, Ying Peng, Dalong Song, Jie Hong, Guang Ning, Yanan Cao, Weiqing Wang
The mechanism underlying the increased susceptibility of type 2 diabetes in offspring of maternal malnutrition is poorly determined. Here we tested the hypothesis that functional microRNAs (miRNAs) mediated the maternal low protein (LP) isocaloric diet induced pancreatic β-cell impairment. We performed miRNA profiling in the islets from offspring of LP and control diet mothers to explore the potential functional miRNAs responsible for β-cell dysfunction. We found that LP offspring exhibited impaired glucose tolerance due to decreased β-cell mass and insulin secretion...
October 18, 2016: Endocrinology
Toshifumi Yamauchi, Masaki Mogi, Hirotomo Nakaoka, Kana Tsukuda, Masanori Kukida, Akinori Higaki, Hui-Yu Bai, Bao-Shuai Shan, Li-Juan Min, Jun Iwanami, Masatugu Horiuchi
OBJECTIVE: Fetal growth restriction (FGR) is one of the risks of cardiovascular problems in adulthood. We previously reported that the vascular injury enhanced vascular remodeling in FGR mice, but the mechanisms are still unclear. Angiotensin II type 2 receptor (AT2R) is relatively highly expressed in fetal mice but not in adult mice. Therefore, we investigated the effects of AT2R in FGR mice, using AT2R knockout (AT2KO) mice. DESIGN AND METHOD: Dams (C57BL/6J strain (WT) mice and AT2KO mice) were fed an isocaloric diet containing 20% protein (normal protein; NP) or 8% protein (low protein; LP) from 10 weeks of age until delivery...
September 2016: Journal of Hypertension
Su-A Kim, Jeong Bae Park
OBJECTIVE: Superimposed pre-eclampsia (SPE) is resolved only with the termination of the pregnancy. Therefore, the risk prediction and prevention is very important. We aimed to evaluate the characteristics of patients who develop SPE and their controllable risk factors during mid-trimester. DESIGN AND METHOD: A total of 283 pregnant women with chronic hypertension were included for the study. Blood pressure (BP) and body weight were recorded at 10, 20, 24, 28, and 32 weeks of gestation and pregnancy outcomes were evaluated...
September 2016: Journal of Hypertension
Hironobu Nakada, Tomofumi Fushima, Akiyo Sekimoto, Yuji Oe, Emiko Sato, Sadayoshi Ito, Hiroshi Sato, Nobuyuki Takahashi
OBJECTIVE: Preeclampsia (PE) is pregnancy-induced hypertension with proteinuria. It causes maternal death or fetal growth restriction (FGR). Although high BP can be managed with antihypertensive drugs, there is no effective treatment of FGR associated with PE. We have clarified that nicotinamide (Nam) alleviates PE-like condition and FGR induced by soluble fms-like tyrosine kinase-1 (sFlt-1) in mice. But the mechanism of how Nam works is unclear. Because Nam induces cytoprotective heme oxygenase 1 (HO-1), our aim is to clarify whether HO-1 contributes to therapeutic effect of Nam against FGR associated with PE...
September 2016: Journal of Hypertension
Emiko Sato, Yukako Tsunokuni, Tomofumi Fushima, Manami Kaneko, Ritsumi Saito, Akiyo Sekimoto, Daisuke Saigusa, Sadayoshi Ito, Hiroshi Sato, Nobuyuki Takahashi
OBJECTIVE: Preeclampsia (PE) is pregnancy-induced hypertension with proteinuria, and is often associated with fetal growth restriction (FGR). PE is a leading cause of maternal morbidity and mortality. Although alterations in circulating angiogenic factors are pathogenic, the details of pathological mechanisms of PE remain to be elucidated. We investigated changes in metabolites in a mouse model of PE induced by overproducing soluble fms-like tyrosine kinase 1 (sFlt-1) to elucidate the pathological conditions of PE by metabolomics analysis...
September 2016: Journal of Hypertension
Ashley Moffett, Olympe Chazara, Francesco Colucci, Martin H Johnson
A distinctive type of (uterine) natural killer (NK) cell is present in the uterine decidua during the period of placental formation. Uterine NK cells express members of the killer immunoglobulin-like receptor (KIR) family that bind to parental HLA-C molecules on the invading placental trophoblast cells. The maternal KIR genes and their fetal ligands are highly variable, so different KIR/HLA-C genetic combinations occur in each pregnancy. Some women only possess inhibitory KIR genes, whereas other women also express activating KIR genes...
September 5, 2016: Reproductive Biomedicine Online
Christine Culpepper, Kendra Hendrickson, Susan Marshall, Jessica Benes, Theresa R Grover
BACKGROUND: Growth and nutrition are critical in neonatal care. Whether feeding guidelines improve growth and nutrition and reduce morbidity is unknown. PURPOSE: Feeding guidelines for very low birth-weight (VLBW) infants were implemented in our neonatal intensive care unit (NICU) to start and achieve full enteral feeds sooner, and increase weight gain over the first month. METHODS: Feeding guidelines for VLBW infants were implemented in January 2014, stratified by birth weight (<750, 750-1000, and 1000-1500 g)...
October 7, 2016: Advances in Neonatal Care: Official Journal of the National Association of Neonatal Nurses
Sven Cnattingius, Anna-Karin Wikström, Olof Stephansson, Kari Johansson
BACKGROUND: Results from uterine artery Doppler investigations suggest that the aetiology of late preeclampsia with fetal growth restriction may be more similar to the aetiology of early preeclampsia than with late preeclampsia without fetal growth restriction. We hypothesised that a small-for-gestational-age (SGA) birth in a late preeclamptic pregnancy may be associated with increased subsequent risk of early preeclampsia. We also studied effects of maternal factors on risks of preeclampsia recurrence...
October 17, 2016: Paediatric and Perinatal Epidemiology
Elodie Guesdon, Aurélie Vincent-Rohfritsch, Sarah Bydlowski, Pietro Santulli, François Goffinet, Camille Le Ray
OBJECTIVE: To compare maternal, obstetric, and neonatal outcomes between women who underwent oocyte donation at or after age 50 years and from 45 through 49 years. DESIGN: Single-center, retrospective cohort study. SETTING: Maternity hospital. PATIENT(S): Forty women aged 50 years and older ("older group") and 146 aged 45-49 years ("younger group"). INTERVENTION(S): Comparison between the older and younger groups, globally and after stratification by type of pregnancy (singleton/twin pregnancy)...
October 12, 2016: Fertility and Sterility
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