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Intrauterine growth restriction

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https://www.readbyqxmd.com/read/29235113/postnatal-effects-of-intrauterine-treatment-of-the-growth-restricted-ovine-fetus-with-intra-amniotic-insulin-like-growth-factor-1
#1
A M Spiroski, M H Oliver, A L Jaquiery, T C R Prickett, E A Espiner, J E Harding, F H Bloomfield
Placental insufficiency-mediated fetal growth restriction (FGR) is associated with altered postnatal growth and metabolism, which are, in turn, associated with increased risk of adult disease. Intra-amniotic insulin-like growth factor-1 (IGF1) treatment of ovine FGR increases growth rate in late gestation, but the effects on postnatal growth and metabolism are unknown. We investigated the effects of intra-amniotic IGF1 administration to ovine fetuses with uteroplacental embolisation-induced FGR on phenotypic and physiologic characteristics in the two weeks after birth...
December 12, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/29230915/periapical-infection-may-affect-birth-outcomes-via-systemic-inflammation
#2
U Harjunmaa, R Doyle, J Järnstedt, S Kamiza, J M Jorgensen, C P Stewart, L Shaw, L Hallamaa, U Ashorn, N Klein, K G Dewey, K Maleta, P Ashorn
OBJECTIVES: Maternal dental periapical infections are associated with preterm birth and intrauterine growth restriction. This study investigates if the association is mediated through bacterial spread from periapical lesions to placenta (direct pathway) or systemic inflammatory reaction (indirect pathway). MATERIALS AND METHODS: We compared birth outcomes in Malawian mothers with and without periapical infection. As markers of a direct pathway, we identified placental bacteria using a 16S rDNA approach, and assessed histological evidence of inflammation in the placenta and amniotic membranes...
December 12, 2017: Oral Diseases
https://www.readbyqxmd.com/read/29230179/transplacental-nutrient-transport-mechanisms-of-intrauterine-growth-restriction-in-rodent-models-and-humans
#3
REVIEW
Elke Winterhager, Alexandra Gellhaus
Although the causes of intrauterine growth restriction (IUGR) have been intensively investigated, important information is still lacking about the role of the placenta as a link from adverse maternal environment to adverse pregnancy outcomes of IUGR and preterm birth. IUGR is associated with an increased risk of cardiovascular, metabolic, and neurological diseases later in life. Determination of the most important pathways that regulate transplacental transport systems is necessary for identifying marker genes as diagnostic tools and for developing drugs that target the molecular pathways...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29229321/the-role-of-aspirin-heparin-and-other-interventions-in-the-prevention-and-treatment-of-fetal-growth-restriction
#4
REVIEW
Katie M Groom, Anna L David
Fetal growth restriction and related placental pathologies such as preeclampsia, stillbirth, and placental abruption are believed to arise in early pregnancy when inadequate remodeling of the maternal spiral arteries leads to persistent high-resistance and low-flow uteroplacental circulation. The consequent placental ischaemia, reperfusion injury, and oxidative stress are associated with an imbalance in angiogenic/antiangiogenic factors. Many interventions have centered on the prevention and/or treatment of preeclampsia with results pertaining to fetal growth restriction and small-for-gestational-age pregnancy often included as secondary outcomes because of the common pathophysiology...
December 8, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29225202/epigenetic-modifications-an-important-mechanism-in-diabetic-disturbances
#5
Anna Rorbach-Dolata, Adriana Kubis, Agnieszka Piwowar
In the search for explanations of diabetes pathomechanisms, especially the development of its vascular complications (micro- and macrovascular ), although current, good metabolic control of diabetes, attention was drawn to the role of epigenetic inheritance associated with epigenetic modifications of histone proteins and DNA in hyperglycemia conditions. This study showed the significant role of DNA methylation and histone epigenetic modifications (a different nature and a different degree) in the transmission of information that is not connected with gene inheritance but concerns the persistent changes induced by hyperglycemia...
November 29, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/29222068/foetoplacental-communication-via-extracellular-vesicles-in-normal-pregnancy-and-preeclampsia
#6
REVIEW
Delia I Chiarello, Rocío Salsoso, Fernando Toledo, Alfonso Mate, Carmen M Vázquez, Luis Sobrevia
Intercellular communication is a critical process in biological mechanisms. During pregnancy foetoplacental tissues release a heterogeneous group of extracellular vesicles (EVs) that include exosomes, microvesicles, apoptotic bodies, and syncytial nuclear aggregates. These vesicles contain a complex cargo (proteins, DNA, mRNA transcripts, microRNAs, noncoding RNA, lipids, and other molecules) that actively participate in the maternal-foetal communication by modulating different processes during gestation for a successful foetal development...
December 5, 2017: Molecular Aspects of Medicine
https://www.readbyqxmd.com/read/29217694/updated-birth-weight-centiles-for-england-and-wales
#7
Tom Norris, Sarah E Seaton, Brad N Manktelow, Philip N Baker, Jennifer J Kurinczuk, David Field, Elizabeth S Draper, Lucy K Smith
OBJECTIVES: Construct updated birth weight-for-gestational age centile charts for use in the UK and compare these to the currently used UK-WHO charts. DESIGN: Secondary analysis of national birth data. PARTICIPANTS: Centiles were constructed using 1 269 403 singleton births occurring in England and Wales in 2013-2014 as part of the MBRRACE-UK national perinatal surveillance programme. These were then validated using 642 737 singleton births occurring in England and Wales in 2015...
December 7, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/29217291/pregnancy-outcomes-in-adult-patients-with-dermatomyositis-and-polymyositis
#8
Kathleen D Kolstad, David Fiorentino, Shufeng Li, Eliza F Chakravarty, Lorinda Chung
OBJECTIVE: The idiopathic inflammatory myopathies dermatomyositis (DM) and polymyositis (PM) are autoimmune diseases that can affect females of childbearing potential. We assessed pregnancy outcomes in DM and PM patients compared with the general obstetric population. METHODS: The Nationwide Inpatient Sample (NIS) (1993-2007) was used to identify delivery-associated hospitalizations in women with DM or PM (DM/PM, n = 853). Controls were from the general obstetric population delivery-associated hospitalizations matched to each case by year of delivery...
November 20, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/29216559/pregnancy-outcomes-and-ethanol-cook-stove-intervention-a-randomized-controlled-trial-in-ibadan-nigeria
#9
Donee A Alexander, Amanda Northcross, Theodore Karrison, Oludare Morhasson-Bello, Nathaniel Wilson, Omolola M Atalabi, Anindita Dutta, Damilola Adu, Tope Ibigbami, John Olamijulo, Dayo Adepoju, Oladosu Ojengbede, Christopher O Olopade
BACKGROUND: Household air pollution (HAP) exposure has been linked to adverse pregnancy outcomes. OBJECTIVES: A randomized controlled trial was undertaken in Ibadan, Nigeria to determine the impact of cooking with ethanol on pregnancy outcomes. METHODS: Three-hundred-twenty-four pregnant women were randomized to either the control (continued cooking using kerosene/firewood stove, n=162) or intervention group (received ethanol stove, n=162)...
December 4, 2017: Environment International
https://www.readbyqxmd.com/read/29212571/expression-of-homeobox-gene-hlx-and-its-downstream-target-genes-are-altered-in-placentae-from-discordant-twin-pregnancies
#10
Nicola Yuen, Shaun P Brennecke, Mark P Umstad, Hannah E J Yong, Anthony J Borg, Gayathri Rajaraman, Bill Kalionis, Padma Murthi
A discordant twin gestation, in which one fetus is significantly growth restricted, compared to the other normal twin, is a unique model that can be used to elucidate the mechanism(s) by which the intrauterine environment affects fetal growth. In many model systems, placental transcription factor genes regulate fetal growth. Transcription factors regulate growth through their activation or repression of downstream target genes that mediate important cell functions. The objective of this study was to determine the expression of the placental HLX homeobox gene transcription factor and its downstream target genes in dizygotic twins with growth discordance...
December 7, 2017: Twin Research and Human Genetics: the Official Journal of the International Society for Twin Studies
https://www.readbyqxmd.com/read/29212463/could-a-remarkable-decrease-in-leptin-and-insulin-levels-from-colostrum-to-mature-milk-contribute-to-early-growth-catch-up-of-sga-infants
#11
Marina Nunes, Clécio Homrich da Silva, Vera Lucia Bosa, Juliana Rombaldi Bernardi, Isabel Cristina Ribas Werlang, Marcelo Zubaran Goldani
BACKGROUND: Breast milk is known to contain many bioactive hormones and peptides, which can influence infant growth and development. In this context, the purpose of this study was to evaluate the influence of different clinical pregnancy conditions on hormone concentrations in colostrum and mature breast milk. METHODS: An observational study was performed with mother-newborn pairs divided into five groups according to maternal clinical background: diabetes (12), hypertension (5), smoking (19), intrauterine growth restriction of unknown causes with small-for-gestational-age newborns at delivery (12), and controls (21)...
December 6, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29208245/mammalian-target-of-rapamycin-signaling-is-a-mechanistic-link-between-increased-endoplasmic-reticulum-stress-and-autophagy-in-the-placentas-of-pregnancies-complicated-by-growth-restriction
#12
Tai-Ho Hung, T'sang-T'ang Hsieh, Chung-Pu Wu, Meng-Jen Li, Yi-Lin Yeh, Szu-Fu Chen
INTRODUCTION: Increased endoplasmic reticulum (ER) stress and autophagy have been noted in the placentas of pregnancies complicated by idiopathic intrauterine growth restriction (IUGR); however, the cause of these phenomena remains unclear. We surmised that oxygen-glucose deprivation (OGD) may increase ER stress and autophagy and that mammalian target of rapamycin (mTOR) signaling is involved in regulating placental ER stress and autophagy in pregnancies complicated by IUGR. METHODS: We obtained placentas from women with normal term pregnancies and pregnancies complicated by IUGR to compare ER stress, mTOR signaling, and levels of autophagy-related proteins between the two groups and used primary cytotrophoblast cells treated with or without salubrinal (an ER stress inhibitor), MHY1485 (an mTOR activator), or rapamycin (an mTOR inhibitor) to investigate the effects of OGD on ER stress, mTOR activity, and autophagy levels in vitro...
December 2017: Placenta
https://www.readbyqxmd.com/read/29203053/insulin-like-growth-factor-1-mediates-adrenal-development-dysfunction-in-offspring-rats-induced-by-prenatal-food-restriction
#13
Zheng He, Feng Lv, Yufeng Ding, Chunyan Zhu, Hegui Huang, Li Zhang, Yu Guo, Hui Wang
BACKGROUND: Our previous study demonstrated that prenatal food restriction (PFR) could induce the dysfunction of the hypothalamic-pituitary-adrenal axis and glucocorticoid-related glucose and lipid metabolic alterations in adult offspring rats. AIM OF THE STUDY: To investigate the intrauterine programming mechanism of adrenal dysfunction in the PFR offspring rats. METHODS: From gestational days (GDs) 11-20, pregnant Wistar rats were fed a restricted diet (50% of the daily food intake of control rats, 60 g/kg·d)...
December 1, 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/29202964/obstetrical-complications-of-endometriosis-particularly-deep-endometriosis
#14
REVIEW
Umberto Leone Roberti Maggiore, Annalisa Inversetti, Matteo Schimberni, Paola Viganò, Veronica Giorgione, Massimo Candiani
Over the past few years, a new topic in the field of endometriosis has emerged: the potential impact of the disease on pregnancy outcomes. This review aims to summarize in detail the available evidence on the relationship between endometriosis, particularly deep endometriosis (DE), and obstetrical outcomes. Acute complications of DE, such as spontaneous hemoperitoneum, bowel perforation, and uterine rupture, may occur during pregnancy. Although these events represent life-threatening conditions, they are rare and unpredictable...
December 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/29199884/congenital-cavitary-optic-disc-anomaly-and-axenfeld-s-anomaly-in-wolf-hirschhorn-syndrome-a-case-report-and-review-of-the-literature
#15
Mohsin H Ali, Nathalie F Azar, Vinay Aakalu, Felix Y Chau, Javaneh Abbasian, Pete Setabutr, Irene H Maumenee
BACKGROUND: Wolf-Hirschhorn syndrome is a rare genetic syndrome caused by a heterozygous deletion on chromosome 4p16.3 and is characterized by a "Greek warrior helmet" facies, hypotonia, developmental delay, seizures, structural central nervous system defects, intrauterine growth restriction, sketelal anomalies, cardiac defects, abnormal tooth development, and hearing loss. A variety of ocular manifestations may occur in up to 40% of patients. MATERIALS/METHODS: We report the genetic testing results, systemic findings, and complete ophthalmologic examination findings in a patient with Wolf-Hirschhorn syndrome, including external photography, RetCam3 (Clarity Medical Systems, Pleasonton, CA) goniography, and fundus photography...
December 4, 2017: Ophthalmic Genetics
https://www.readbyqxmd.com/read/29191735/first-trimester-serum-afamin-concentrations-are-associated-with-the-development-of-pre-eclampsia-and-gestational-diabetes-mellitus-in-pregnant-women
#16
Allessandra Tramontana, Benjamin Dieplinger, Gerhard Stangl, Erich Hafner, Hans Dieplinger
OBJECTIVE: Aim of this study was to assess the prognostic capability of afamin to predict pregnancy complications. METHOD: First-trimester screening was consecutively performed in 4948 pregnant women, of whom 474 women developed pregnancy complications [gestational hypertension (n=84), pre-eclampsia (n=30), intrauterine growth restriction (n=107), preterm birth (n=44), and gestational diabetes mellitus (n=209)]. To each woman with pregnancy complications an uncomplicated pregnancy was matched for body mass index...
November 27, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29190766/developmental-peculiarities-in-placentae-of-ovine-uniparental-conceptuses
#17
Roberta Arena, Federica Zacchini, Paola Toschi, Luca Palazzese, Marta Czernik, Grażyna Ewa Ptak
Genomic imprinting is an epigenetic phenomenon regulating mono-allelic expression of genes depending on their parental origin. Defective genomic imprinting is involved in several placental disorders, such as intrauterine growth restriction and pre-eclampsia. Uniparental embryos, having maternal-only or paternal-only genomes (parthenogenotes [PAR] and androgenotes [AND], respectively), are useful models to study placentation. The aim of this work was to reveal the effect of parental genome (maternal and paternal) on placentation...
2017: PloS One
https://www.readbyqxmd.com/read/29190628/cord-blood-biomarkers-of-cardiac-dysfunction-and-damage-in-term-growth-restricted-fetuses-classified-by-severity-criteria
#18
Míriam Perez-Cruz, Fàtima Crispi, María Teresa Fernández, Johanna Alexandra Parra, Anna Valls, María Dolores Gomez Roig, Eduard Gratacós
OBJECTIVE: To assess cardiovascular function and damage in term small-for-gestational-age (SGA) and intrauterine growth-restricted (IUGR) fetuses by echocardiography and biomarkers in cord blood. METHODS: This was a cohort study including 60 normal fetuses and 47 term small fetuses subclassified as small for gestational age (SGA) with estimated fetal weight (EFW) between the 3rd and 9th centiles and normal fetoplacental Doppler (n = 14) or intrauterine growth restriction (IUGR, n = 33) if EFW <3rd centile or EFW <10th centile together with cerebroplacental ratio <5th and/or mean uterine artery pulsatility index >95th centile...
November 30, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/29185251/ultrasound-indications-for-maternal-storch-testing-in-pregnancy
#19
Cora Alexandra Voekt, Therese Rinderknecht, Hans Hellmuth Hirsch, Annette Blaich, Irene Mathilde Hösli
AIMS OF THE STUDY: Fetal abnormalities found on ultrasonography lead to a variety of diagnostic procedures, including a panel of serologies to detect possible maternal STORCH infections encompassing syphilis, Toxoplasma gondii, rubella, cytomegalovirus, herpes simplex, and others (human immunodeficiency virus, hepatitis B and C, parvovirus B19, enterovirus, varicella zoster, and Leptospira interrogans). The value of indiscriminate testing for infections upon the detection of fetal ultrasound abnormalities has been questioned...
November 29, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/29183092/-methamphetamine-consumption-during-pregnancy-and-its-effects-on-neonates
#20
Alina Pflügner, Ulrich Thome, Matthias K Bernhard, Mandy Vogel, Annett Bläser, Petra Nickel, Wieland Kiess
Objective Methamphetamine (MA) has become one of the most commonly used illegal drugs during pregnancy. We sought to determine how MA abuse modifies pregnancy outcomes and the health of the newborn infants. Patients 102 newborns from mothers with antenatal MA consumption were admitted to the University Hospital Leipzig from 2004-2015. Methods The effects of MA abuse on pregnancy outcomes and neonates were researched in a retrospective controlled study. We analysed the date of pregnancy detection, number of antenatal preventive examinations, body measurements of the neonates, duration of hospitalization, rate of preterm infants, congenital malformations and symptoms of neonatal abstinence syndrome...
November 28, 2017: Klinische Pädiatrie
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