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https://www.readbyqxmd.com/read/27899104/the-magnitude-of-nephron-number-reduction-mediates-intrauterine-growth-restriction-induced-long-term-chronic-renal-disease-in-the-rat-a-comparative-study-in-two-experimental-models
#1
Farid Boubred, Laurent Daniel, Christophe Buffat, Michel Tsimaratos, Charles Oliver, Martine Lelièvre-Pégorier, Umberto Simeoni
BACKGROUND: Intrauterine growth restriction (IUGR) is a risk factor for hypertension (HT) and chronic renal disease (CRD). A reduction in the nephron number is proposed to be the underlying mechanism; however, the mechanism is debated. The aim of this study was to demonstrate that IUGR-induced HT and CRD are linked to the magnitude of nephron number reduction, independently on its cause. METHODS: Systolic blood pressure (SBP), glomerular filtration rate (GFR), proteinuria, nephron number, and glomerular sclerosis were compared between IUGR offspring prenatally exposed to a maternal low-protein diet (9% casein; LPD offspring) or maternal administration of betamethasone (from E17 to E19; BET offspring) and offspring with a normal birth weight (NBW offspring)...
November 30, 2016: Journal of Translational Medicine
https://www.readbyqxmd.com/read/27898951/intrauterine-growth-restricted-piglets-have-similar-gastric-emptying-rates-but-lower-rectal-temperatures-and-altered-blood-values-when-compared-with-normal-weight-piglets-at-birth
#2
C Amdi, M V Klarlund, J Hales, T Thymann, C F Hansen
Intrauterine growth-restricted (IUGR) piglets have lower survival rates and are more likely to have empty stomachs 24 h after birth than normal piglets. Although hypoglycemia may result from low colostrum intake per se, it is not known if slow gastric emptying may be an additional risk factor for poor immunization and glucose absorption in IUGR piglets. It is estimated that IUGR piglets consume less colostrum per kilogram BW than normal-weight piglets within the first 24 h, which could be due to a slower gastric emptying rate and a compromised energy metabolism...
November 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27892779/causes-of-stillbirth-in-a-socio-economically-disadvantaged-urban-australian-population-a-comprehensive-analysis
#3
L A Wijs, E C de Graaff, S Leemaqz, G A Dekker
INTRODUCTION: The aim of this paper was to provide an in depth analysis of all stillbirth causation over a period of 10 years in a busy maternity unit located in a socio-economically disadvantaged urban area, with an emphasis on overlapping pathology. MATERIALS AND METHODS: A retrospective analysis of all structurally normal stillbirths in singleton pregnancies born 2002-2012. The PSANZ stillbirth classification was used; per stillbirth subgroup main risk factors were evaluated...
November 28, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27885054/impact-of-uteroplacental-insufficiency-on-postnatal-rat-male-gonad
#4
Valentina Pampanini, Daniela Germani, Antonella Puglianiello, Jan-Bernd Stukenborg, Ahmed Reda, Iuliia Savchuk, Kristin Ros Kjartansdóttir, Stefano Cianfarani, Olle Soder
BACKGROUND: Prenatal events such as intrauterine growth restriction can affect gonadal development of the offspring and have an impact on reproductive health. PURPOSE: To investigate the effects of intrauterine growth restricted induced by uterine artery ligation on the postnatal rat testis. METHODS: Pregnant rats underwent uterine artery ligation at day 19 of gestation. Offspring were sacrificed at 5, 20 and 40 days post-partum (dpp). At sacrifice, one gonad was snap frozen in liquid nitrogen and processed for RNA and steroid extraction...
November 24, 2016: Journal of Endocrinology
https://www.readbyqxmd.com/read/27883332/effect-of-signal-acquisition-method-on-the-fetal-heart-rate-analysis-with-phase-rectified-signal-averaging
#5
J A M van Scheepen, M P H Koster, B Vasak, C Redman, A Franx, A Georgieva
Phase rectified signal averaging (PRSA) is increasingly used for fetal heart rate (FHR) monitoring, both with traces acquired with external Doppler cardiotocography (D-FHR), and with transabdominal fetal electrocardiography (ta-FHR). However, it is unclear to what extend the acquisition method influences the PRSA analysis, whether results from using one acquisition method are comparable to those based on FHR acquired by the other method, and if not, which should be the preferred method. To address these questions, we applied PRSA analysis to 28 antepartum synchronous recordings of the FHR using simultaneously D-FHR and ta-FHR...
November 24, 2016: Physiological Measurement
https://www.readbyqxmd.com/read/27882215/epigenetic-changes-in-peripheral-leucocytes-as-biomarkers-in-intrauterine-growth-retardation-rat
#6
Xue-Feng Xu, Shan-Shan Xu, Lin-Cheng Fu, Qiong-Yao Hu, Ying Lv, Li-Zhong Du
Epigenetics plays an important role in the fetal origins of adult disease. Intrauterine growth retardation (IUGR) can cause increased histone acetylation of the endothelin-1 (ET-1) gene from pulmonary vascular endothelial cells or the whole lung tissue and persist into later life, likely resulting in increased risk of pulmonary hypertension or asthma later in life. However, little is known regarding the correlation of epigenetic changes between specific tissue and peripheral leucocytes. In the present study, an IUGR rat model was established by maternal nutrient restriction...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27881387/intrauterine-growth-restriction-influences-vascular-remodeling-and-stiffening-in-the-weanling-rat-more-than-sex-or-diet
#7
R Blair Dodson, Thomas A Miller, Kyle N Powers, Yueqin Yang, Baifeng Yu, Kurt H Albertine, Erin K Zinkhan
Intrauterine growth restriction (IUGR) increases the incidence of adult cardiovascular disease (CVD). The sex-specific developmental mechanisms for IUGR-induced and western high fat diet (HFD) modification of CVD remain poorly understood. We hypothesized a maternal HFD in the Sprague-Dawley rat would augment IUGR-induced CVD in the offspring through decreased cardiac function and increased extracellular matrix (ECM) remodeling and stiffness in a sex-specific manner. HFD or regular diet (Reg) was given from 5 weeks prior to mating through postnatal day 21 (PND21)...
November 23, 2016: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/27881034/galanin-in-pregnancy-is-there-an-association-with-birth-weight-and-gestational-diabetes
#8
Eleni Bili, Evdokia Karagianni, Dimitrios G Goulis, Konstantinos Toulis, Grigoris Grimbizis, Basil C Tarlatzis
OBJECTIVE: To review the actions of galanin during pregnancy and to examine the existence of an association between galanin and birthweight as well as with gestational diabetes mellitus (GDM). RESULTS: Galanin concentrations in maternal circulation are similar in pregnant and non-pregnant status and have been correlated with body mass index (BMI). There is evidence of an association between birthweight and galanin concentrations in amniotic fluid during second trimester as well as galanin concentrations in umbilical cord at term...
November 23, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27876004/enoxaparin-for-the-prevention-of-preeclampsia-and-intrauterine-growth-restriction-in-women-with-a-prior-history-an-open-label-randomised-trial-the-eppi-trial-study-protocol
#9
K M Groom, L M McCowan, P R Stone, L C Chamley, C McLintock
BACKGROUND: Preeclampsia and intrauterine fetal growth restriction (IUGR) are two of the most common causes of maternal and perinatal morbidity and mortality. Current methods of predicting those at most risk of these conditions remain relatively poor, and in clinical practice past obstetric history remains the most commonly used tool. Aspirin and, in women at risk of preeclampsia only, calcium have been demonstrated to have a modest effect on risk reduction. Several observational studies and randomised trials suggest that low molecular weight heparin (LMWH) therapy may confer some benefit...
November 22, 2016: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/27871469/placental-telomere-length-decline-with-gestational-age-differs-by-sex-and-tert-dnmt1-and-dnmt3a-dna-methylation
#10
Samantha L Wilson, Yao Liu, Wendy P Robinson
INTRODUCTION: Telomere length (TL) has been suggested to be influenced by inherited genetic and epigenetic variation, hormonal effects, oxidative stress and age. However, the dynamics of TL during in utero development have not been well explored. This study investigates the relationship between placental TL and sex, gestational age (GA), and DNA methylation (DNAm). Placental TL is further evaluated in pregnancies complicated by preeclampsia (PE) and intrauterine growth restriction (IUGR), conditions hypothesized to lead to decreased placental TL due to increased oxidative stress...
December 2016: Placenta
https://www.readbyqxmd.com/read/27865347/gestational-food-restriction-decreases-placental-interleukin-10-expression-and-markers-of-autophagy-and-endoplasmic-reticulum-stress-in-murine-intrauterine-growth-restriction
#11
Alison Chu, Shanthie Thamotharan, Amit Ganguly, Madhuri Wadehra, Matteo Pellegrini, Sherin U Devaskar
Intrauterine growth restriction (IUGR) affects up to 10% of pregnancies and often results in short- and long-term sequelae for offspring. The mechanisms underlying IUGR are poorly understood, but it is known that healthy placentation is essential for nutrient provision to fuel fetal growth, and is regulated by immunologic inputs. We hypothesized that in pregnancy, maternal food restriction (FR) resulting in IUGR would decrease the overall immunotolerant milieu in the placenta, leading to increased cellular stress and death...
October 2016: Nutrition Research
https://www.readbyqxmd.com/read/27865093/maternal-endothelial-damage-as-a-disorder-shared-by-early-preeclampsia-late-preeclampsia-and-intrauterine-growth-restriction
#12
Sebastian Kwiatkowski, Barbara Dołegowska, Ewa Kwiatkowska, Rafał Rzepka, Natalia Marczuk, Beata Loj, Andrzej Torbè
INTRODUCTION: Preeclampsia (PE) and intrauterine growth restriction (IUGR) are separate disease entities that have frequently been reported as sharing the same pathogenesis. In both of them, angiogenesis disorders and generalized endothelial damage with an accompanying inflammation are the dominant symptoms. In this study, we attempted to prove that both these processes demonstrate the same profile in early PE, late PE and IUGR patients, while the only difference is in the degree of exacerbation of the lesions...
November 19, 2016: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/27859593/placental-specific-overexpression-of-sflt-1-alters-trophoblast-differentiation-and-nutrient-transporter-expression-in-an-iugr-mouse-model
#13
E Kühnel, V Kleff, V Stojanovska, S Kaiser, R Waldschütz, F Herse, T Plösch, E Winterhager, A Gellhaus
Since it is known that placental overexpression of the human anti-angiogenic molecule sFlt-1, the main candidate in the progression of preeclampsia, lead to intrauterine growth restriction (IUGR) in mice by lentiviral transduction of mouse blastocysts, we hypothesize that sFlt-1 influence placental morphology and physiology resulting in fetal IUGR. We therefore examined the effect of sFlt-1 on placental morphology and physiology at embryonic day 18.5 with histologic and morphometric analyses, transcript analyses, immunoblotting, and methylation studies...
November 9, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27854382/the-truffle-study-fetal-monitoring-indications-for-delivery-in-310-iugr-infants-with-2-year-s-outcome-delivered-before-32-weeks-of-gestation
#14
Gerard H A Visser, C M Bilardo, J B Derks, E Ferrazzi, N Fratelli, T Frusca, W Ganzevoort, C Lees, R Napolitano, T Todros, H Wolf, K Hecher, N Marlow, B Arabin, C Brezinka, A Diemert, J J Duvekot, P Martinelli, E Ostermayer, A T Papageorghiou, D Schlembach, Ktm Schneider, B Thilaganathan, A Valcamonico
OBJECTIVE: In the TRUFFLE study on outcome of early fetal growth restriction women were allocated to three timing of delivery plans according to antenatal monitoring strategies based on reduced computerized cardiotocographic heart rate short term variation (c-CTG STV) , early Ductus Venosus (DV p95) or late DV (DV noA) changes. However, many infants were per protocol delivered because of 'safety net' criteria, or for maternal indications, or 'other fetal indications' or after 32 weeks of gestation when the protocol was not applied anymore...
November 11, 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27853988/antenatal-manifestations-of-inborn-errors-of-metabolism-prenatal-imaging-findings
#15
Laurent Guibaud, Sophie Collardeau-Frachon, Audrey Lacalm, Mona Massoud, Massimiliano Rossi, Marie Pierre Cordier, Christine Vianey-Saban
Prenatal manifestations of inborn errors of metabolism (IEM) are related to severe disorders involving metabolic pathways active in the fetal period and not compensated by maternal or placental metabolism. Some prenatal imaging findings can be suggestive of such conditions-especially in cases of consanguinity and/or recurrence of symptoms-after exclusion of the most frequent nonmetabolic etiologies. Most of these prenatal imaging findings are nonspecific. They include mainly ascites and hydrops fetalis, intrauterine growth restriction (IUGR), central nervous system (CNS) anomalies, echogenic kidneys, epiphyseal stippling, craniosynostosis, and a wide spectrum of dysostoses...
November 16, 2016: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/27842594/fetal-gender-and-gestational-age-differentially-affect-pcsk9-levels-in-intrauterine-growth-restriction
#16
Ulrich Pecks, Werner Rath, Nicolai Maass, Bartlomiej Berger, Imke Lueg, André Farrokh, Sabrina Farrokh, Christel Eckmann-Scholz
BACKGROUND: Maternal and fetal Low Density Lipoprotein-Cholesterol (LDL-C) concentrations are compromised in intrauterine growth restriction (IUGR). Generally, LDL-C catabolism is under control of PCSK9 by binding to the LDL-receptor leading to its degradation. Hence, we hypothesized a role for PCSK9 in the modulation of lipid metabolism and placental transport in IUGR. METHODS: 172 women, 70 IUGR and 102 controls were included in the study. Maternal and fetal serum PCSK9 levels and lipid profiles including LDL-C were measured...
November 14, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27836536/doppler-screening-and-predictors-of-adverse-outcomes-in-high-risk-pregnancies-affected-by-tobacco
#17
Alison Stalzer, Dara Seybold, Deena Hossino, Mike Broce, Byron Calhoun
OBJECTIVE: The purpose of this study was to investigate associations between Doppler measurements and adverse outcomes in an obstetric population with high tobacco use. METHODS: This retrospective study included patients with Doppler data (umbilical systolic/diastolic velocity ratios (S/D), uterine S/D, uterine left/right ratio index (RI)). Receiver operator characteristic curve analysis determined cut-off elevated Doppler indices. Stepwise logistic regression was used to predict adverse outcomes...
November 9, 2016: Reproductive Toxicology
https://www.readbyqxmd.com/read/27806559/investigation-the-effects-of-metformin-versus-insulin-on-neonatal-and-maternal-outcomes-in-women-with-gestational-diabetes-mellitus-a-randomized-clinical-trail
#18
Mahin Najafian, Mojgan Barati, Sara Masihi, Ailin Fardipor
The aim of this study was to evaluate the effectiveness of metformin versus insulin in the glycemic control and to investigate the maternal and neonatal outcomes in in women with gestational diabetes mellitus. Pregnant women with gestational diabetes were randomized to either receive metformin (n=70) or insulin (n=70). Inclusion criteria were singleton pregnancy, following healthy diet and performing exercise for at least one week without satisfactory blood glucose level, no risk factor contributing to lactic acidosis, and no anatomic and/or chromosome anomalies...
September 28, 2016: Global Journal of Health Science
https://www.readbyqxmd.com/read/27787375/clinical-characteristics-of-fetal-and-neonatal-outcomes-in-twin-pregnancy-with-preeclampsia-in-a-retrospective-case-control-study-a-strobe-compliant-article
#19
Ting Yuan, Wei Wang, Xue-Lan Li, Chun-Fang Li, Chao Li, Wen-Li Gou, Zhen Han
The aim of our study was to compare the clinical characteristics of fetal and neonatal outcomes in twin pregnancies between women with preeclampsia (PE) and those with normotension in a Chinese population.There were 143 preeclamptic women and 367 normotensive women with twin pregnancies included in this retrospective case-control study. The baseline characteristics and perinatal outcomes were collected and compared between the groups. Multiple logistic regression and linear regression were used to assess the correlations between PE and the outcomes...
October 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27767070/embryonic-fetal-mortality-and-intrauterine-growth-restriction-is-not-exclusive-to-the-cba-j-sub-strain-in-the-cba%C3%A2-%C3%A3-%C3%A2-dba-model
#20
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
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