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https://www.readbyqxmd.com/read/28646728/evaluation-of-the-impact-of-vasa-previa-on-feto-placental-hormonal-synthesis-and-fetal-growth
#1
Yaakov Melcer, Ron Maymon, Marina Pekar-Zlotin, Orna Levinsohn-Tavor, Josef Tovbin, Eric Jauniaux
INTRODUCTION: A vasa previa (VP) refers to aberrant chorionic vessels which can either connect the chorionic plate to a velamentous cord (type I) or a succenturiate or accessory lobe to the main placental mass (type II). METHODS: We performed retrospective cohort study of 32 singleton pregnancies diagnosed with VP. The levels of maternal serum alpha-fetoprotein (AFP), human chorionic gonadotropin (hCG) and unconjugated estriol (uE3) were measured at 15-18 weeks as part of the triple test screening for Trisomy 21...
June 16, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28646647/successful-maintenance-of-key-physiological-parameters-in-preterm-lambs-treated-with-ex%C3%A2-vivo-uterine-environment-therapy-for-a-period-of-1-week
#2
Haruo Usuda, Shimpei Watanabe, Yuichiro Miura, Masatoshi Saito, Gabrielle C Musk, Judith Rittenschober-Böhm, Hideyuki Ikeda, Shinichi Sato, Takushi Hanita, Tadashi Matsuda, Alan H Jobe, John P Newnham, Sarah J Stock, Matthew W Kemp
BACKGROUND: Extremely preterm infants born at the border of viability (22-24 weeks' gestation) have high rates of death and lasting disability. Ex vivo uterine environment therapy is an experimental neonatal intensive care strategy that provides gas exchange using parallel membranous oxygenators connected to the umbilical vessels, sparing the extremely preterm cardiopulmonary system from ventilation-derived injury. OBJECTIVE: In this study, we aimed to refine our ex vivo uterine environment therapy platform to eliminate fetal infection and inflammation, while simultaneously extending the duration of hemodynamically stable ex vivo uterine environment therapy to 1 week...
June 20, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28646623/pregnancy-outcome-in-women-with-cystic-fibrosis-related-diabetes
#3
Quitterie Reynaud, Stéphanie Poupon-Bourdy, Muriel Rabilloud, Lina Al Mufti, Christine Rousset Jablonski, Lydie Lemonnier, Raphaële Nove-Josserand, Sandrine Touzet, Isabelle Durieu
With increasing life expectancy more women with cystic fibrosis and diabetes mellitus become pregnant. We investigated how pre-gestational diabetes (cystic fibrosis related diabetes) influenced pregnancy outcome and the clinical status of these women MATERIAL AND METHODS: We analyzed all pregnancies reported to the French cystic fibrosis registry between 2001 and 2012, and compared forced expiratory volume (FEV1 ) and body mass index before and after pregnancy in women with and without pre-gestational diabetes having a first delivery RESULTS: A total 249 women delivered 314 infants...
June 24, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28646257/effect-of-epilepsy-in-pregnancy-on-fetal-growth-restriction-a-systematic-review-and-meta-analysis
#4
REVIEW
Daijuan Chen, Lisha Hou, Xia Duan, Hongling Peng, Bing Peng
PURPOSE: Epilepsy is one of the most common neurological diseases during pregnancy. However, the influence of epilepsy on fetal growth is not understood. Thus, this study conducted a meta-analysis to determine the influence of epilepsy during pregnancy on fetal growth restriction (FGR). METHODS: BIOSIS, Medline, Embase, and PubMed databases were searched between January 2000 and January 2016. Without imposing language or regional restrictions, referenced articles were selected...
June 23, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28646147/whole-organ-vascular-casting-and-microct-examination-of-the-human-placental-vascular-tree-reveals-novel-alterations-associated-with-pregnancy-disease
#5
Toluwalope O Junaid, Robert S Bradley, Rohan M Lewis, John D Aplin, Edward D Johnstone
Experimental methods that allow examination of the intact vascular network of large organs, such as the human placenta are limited, preventing adequate comparison of normal and abnormal vascular development in pregnancy disease. Our aims were (i) to devise an effective technique for three-dimensional analyses of human placental vessels; (ii) demonstrate the utility of the technique in the comparison of placental vessel networks in normal and fetal growth restriction (FGR) complicated pregnancies. Radiopaque plastic vessel networks of normal and FGR placentas (n = 12/group) were created by filling the vessels with resin and corroding the surrounding tissues...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28645299/programming-of-mouse-obesity-by-maternal-exposure-to-concentrated-ambient-fine-particles
#6
Minjie Chen, Xiaoke Wang, Ziying Hu, Huifen Zhou, Yanyi Xu, Lianglin Qiu, Xiaobo Qin, Yuhao Zhang, Zhekang Ying
BACKGROUND: Many diseases including obesity may originate through alterations in the early-life environment that interrupts fetal development. Increasing evidence has shown that exposure to ambient fine particles (PM2.5) is associated with abnormal fetal development. However, its long-term metabolic effects on offspring have not been systematically investigated. RESULTS: To determine if maternal exposure to PM2.5 programs offspring obesity, female C57Bl/6j mice were exposed to filtered air (FA) or concentrated ambient PM2...
June 23, 2017: Particle and Fibre Toxicology
https://www.readbyqxmd.com/read/28645262/acute-myeloid-leukemia-and-pregnancy-clinical-experience-from-a-single-center-and-a-review-of-the-literature
#7
Nicola Stefano Fracchiolla, Mariarita Sciumè, Francesco Dambrosi, Francesca Guidotti, Manuela Wally Ossola, Giovanna Chidini, Umberto Gianelli, Daniela Merlo, Agostino Cortelezzi
BACKGROUND: Acute myeloid leukemia (AML) accounts for more than two thirds of leukemia during pregnancy and has an incidence of 1 in 75,000 to 100,000. Its clinical management remains a challenging therapeutic task both for patient and medical team, given to the therapy-attributable risks for mother and fetus and the connected counseling regarding pregnancy continuation. METHODS: We provided a review of updated literature and a comprehensive description of five maternal/fetal outcomes of AML cases diagnosed concomitantly to pregnancy and treated at our Institution from 2006 to 2012...
June 23, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28642655/the-influence-of-passive-tobacco-exposure-and-physical-exercise-on-bone-tissue-of-young-rats
#8
Regina Celi Trindade Camargo, Regiane Rocha Costalonga, Mário Jefferson Quirino Louzada, Rômulo Araújo Fernandes, José Carlos Silva Camargo, Jacqueline Bexiga Urban
OBJECTIVE: The objective of this study is to investigate the effect of passive smoking during pregnancy and associated with swimming on bone area growth, bone mineral density (BMD), and bone mineral content (BMC). METHODS: The offspring was grouped by control matrices (G1) and passive smokers (G2). The offspring was regrouped in eight subgroups, with exposure to smoking (2x/day) and physical exercise (1 session/day), respecting the group of matrices in: sedentary control (G1CS and G2CS), swimming control (G1CN and G2CN), sedentary passive smoker (G1FS and G2FS), and passive smoker swimmer (G1FN and G2FN)...
March 2017: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/28641979/sexual-dimorphism-in-the-fetal-cardiac-response-to-maternal-nutrient-restriction
#9
Sribalasubashini Muralimanoharan, Cun Li, Ernesto S Nakayasu, Cameron P Casey, Thomas O Metz, Peter W Nathanielsz, Alina Maloyan
Poor maternal nutrition causes intrauterine growth restriction (IUGR); however, its effects on fetal cardiac development are unclear. We have developed a baboon model of moderate maternal undernutrition, leading to IUGR. We hypothesized that IUGR affects fetal cardiac structure and metabolism. Six control pregnant baboons ate ad-libitum (CTRL)) or 70% CTRL from 0.16 of gestation (G). Fetuses were euthanized at C-section at 0.9G under general anesthesia. Male but not female IUGR fetuses showed left ventricular fibrosis inversely correlated with birth weight...
June 19, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28641780/associations-of-maternal-prenatal-smoking-with-umbilical-cord-blood-hormones-the-project-viva-cohort
#10
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/28640960/ferulic-acid-alleviates-symptoms-of-preeclampsia-in-rats-by-upregulating-vascular-endothelial-growth-factor
#11
Weiyan Gong, Jipeng Wan, Qing Yuan, Quanzhan Man, Xiaojing Zhang
Preeclampsia is a complication affecting pregnant women worldwide, which leads to maternal and fetal morbidity and mortality. In this study, we evaluated the efficacy of ferulic acid (FA) on an N(ω) -nitro-L-arginine methyl ester hydrochloride (L-NAME) induced rat model of preeclampsia. L-NAME was administered to pregnant rats to induce preeclampsia. 48 rats were divided into three experimental groups (n=16 each): control group, preeclampsia group and preeclampsia with FA treatment (preeclampsia+FA). Physiological characteristics such as urine volume, total urine protein and blood pressure were assessed...
June 22, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28640244/systematic-design-and-comparison-of-expanded-carrier-screening-panels
#12
Kyle A Beauchamp, Dale Muzzey, Kenny K Wong, Gregory J Hogan, Kambiz Karimi, Sophie I Candille, Nikita Mehta, Rebecca Mar-Heyming, K Eerik Kaseniit, H Peter Kang, Eric A Evans, James D Goldberg, Gabriel A Lazarin, Imran S Haque
PurposeThe recent growth in pan-ethnic expanded carrier screening (ECS) has raised questions about how such panels might be designed and evaluated systematically. Design principles for ECS panels might improve clinical detection of at-risk couples and facilitate objective discussions of panel choice.MethodsGuided by medical-society statements, we propose a method for the design of ECS panels that aims to maximize the aggregate and per-disease sensitivity and specificity across a range of Mendelian disorders considered serious by a systematic classification scheme...
June 22, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28638048/maternal-folate-deficiency-causes-inhibition-of-mtor-signaling-down-regulation-of-placental-amino-acid-transporters-and-fetal-growth-restriction-in-mice
#13
Fredrick J Rosario, Peter W Nathanielsz, Theresa L Powell, Thomas Jansson
Maternal folate deficiency is linked to restricted fetal growth, however the underlying mechanisms remain to be established. Here we tested the hypothesis that mTOR functions as a folate sensor in vivo in mice and that maternal folate deficiency inhibits placental mTOR signaling and amino acid transporter activity and causes fetal growth restriction. Folate deficient mice had lower serum folate (-60%). In late pregnancy, fetal weight in the folate deficient group was decreased (-17%, p < 0.05), whereas placental weight, litter size and crown rump length were unaltered...
June 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28637734/pregnancy-specific-stress-fetoplacental-haemodynamics-and-neonatal-outcomes-in-women-with-small-for-gestational-age-pregnancies-a-secondary-analysis-of-the-multicentre-prospective-observational-trial-to-optimise-paediatric-health-in-intrauterine-growth-restriction
#14
Terri A Levine, Ruth E Grunau, Ricardo Segurado, Sean Daly, Michael P Geary, Mairead M Kennelly, Keelin O'Donoghue, Alyson Hunter, John J Morrison, Gerard Burke, Patrick Dicker, Elizabeth C Tully, Fergal D Malone, Fiona A Alderdice, Fionnuala M McAuliffe
OBJECTIVES: To examine associations between maternal pregnancy-specific stress and umbilical (UA PI) and middle cerebral artery pulsatility indices (MCA PI), cerebroplacental ratio, absent end diastolic flow (AEDF), birthweight, prematurity, neonatal intensive care unit admission and adverse obstetric outcomes in women with small for gestational age pregnancies. It was hypothesised that maternal pregnancy-specific stress would be associated with fetoplacental haemodynamics and neonatal outcomes...
June 21, 2017: BMJ Open
https://www.readbyqxmd.com/read/28636875/effects-of-prenatal-binge-like-ethanol-exposure-and-maternal-stress-on-postnatal-morphological-development-of-hippocampal-neurons-in-rats
#15
Ewa Jakubowska-Dogru, Birsen Elibol, Ilknur Dursun, Sinan Yürüker
BACKGROUND: Alcohol is one of the most commonly used drugs of abuse negatively affecting human health and it is known as a potent teratogen responsible for fetal alcohol syndrome (FAS), which is characterized by cognitive deficits especially pronounced in juveniles but ameliorating in adults. Searching for the potential morphological correlates of these effects, in this study, we compared the course of developmental changes in the morphology of principal hippocampal neurons in fetal-alcohol (A group), intubated control (IC group), and intact control male rats (C group) over a protracted period of the first two postnatal months...
June 18, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28635586/gc-1-a-thyromimetic-with-multiple-therapeutic-applications-in-liver-disease
#16
Amedeo Columbano, Grazia Chiellini, Marta Anna Kowalik
Thyroid hormones, namely 3,5,3'-triiodo-L-thyronine (T3) and 3,5,3',5'-tetraiodo-L-thyronine (thyroxine or T4), influence a variety of physiological processes that have important implications in fetal development, metabolism, cell growth and proliferation. While THs elicit several beneficial effects on lipid metabolism and improve myocardial contractility, these therapeutically desirable effects are associated to a thyrotoxic state, that severely limits the possible use of THs as therapeutic agents. Therefore, several efforts have been made to develop T3 analogues that could retain the beneficial actions (triglyceride, cholesterol, obesity and body mass lowering), without the adverse TH-dependent side effects...
June 13, 2017: Gene Expression
https://www.readbyqxmd.com/read/28635180/renal-vascularization-indexes-and-fetal-hemodynamics-in-fetuses-with-growth-restriction
#17
Giovana Farina Doro, Janaína Campos Senra, Agatha Sacramento Rodrigues, Seizo Miyadahira, Renata Lopes Ribeiro, Rossana Pulcinelli Vieira, Lisandra Stein Bernardes
OBJECTIVE: To identify the correlation between the renal vascularization index (VI), the flow index (FI) and the vascularization and flow index (VFI) and placental and fetal hemodynamics in fetuses with growth restriction. METHOD: Bidimensional ultrasound and three-dimensional power Doppler with the VOCAL technique were used to determine the renal vascular indexes and fetal and placental hemodynamics in fetuses below the 10(th) percentile for fetal weight. Partial correlation analysis (controlled for renal depth and gestational age) was performed...
June 20, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28635072/plgf-enhances-tlr-dependent-inflammatory-responses-in-human-mononuclear-phagocytes
#18
Laura F Newell, Shernan G Holtan, Jane E Yates, Leonardo Pereira, Jeffrey W Tyner, Irina Burd, Grover C Bagby
PROBLEM: Levels of placental growth factor (PlGF) peak during third trimester of pregnancy, a time when women are at increased risk of virus-induced morbidity. We hypothesized PlGF might contribute to an exaggerated inflammatory response to Toll-like receptor (TLR) activation. METHOD OF STUDY: Primary human adult and cord blood CD14(+) cells were cultured in the presence of TLR ligands and/or PlGF. RESULTS: PlGF significantly enhanced the magnitude and duration of TNF messenger RNA and protein production by TLR-7/8-activated monocytes, and increased subsequent production of TNF-independent inflammatory cytokines...
June 20, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28633455/fetal-metabolic-stress-disrupts-immune-homeostasis-and-induces-pro-inflammatory-responses-in-hiv-1-and-cart-exposed-infants
#19
Johannes C Schoeman, Gontse P Moutloatse, Amy C Harms, Rob J Vreeken, Henriette J Scherpbier, Liesbeth Van Leeuwen, Taco W Kuijpers, Carools J Reinecke, Ruud Berger, Thomas Hankemeier, Madeleine J Bunders
Increased morbidity and fetal growth restriction are reported in uninfected children born to HIV-1-infected women treated with antiretroviral (ARV) therapy. Viruses and/or pharmacological interventions such as ARVs can induce metabolic stress skewing the cell's immune response and restricting (cell) growth. Novel metabolomic techniques provided the opportunity to investigate the impact of fetal HIV-1 and combination ARV therapy (cART)-exposure on the infants' immune-metabolome. Peroxidized lipids, generated by reactive oxygen species, were increased in cART/HIV-1-exposed infants, indicating altered mitochondrial functioning...
June 17, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28632735/validity-of-a-minimally-invasive-autopsy-for-cause-of-death-determination-in-stillborn-babies-and-neonates-in-mozambique-an-observational-study
#20
Clara Menendez, Paola Castillo, Miguel J Martínez, Dercio Jordao, Lucilia Lovane, Mamudo R Ismail, Carla Carrilho, Cesaltina Lorenzoni, Fabiola Fernandes, Tacilta Nhampossa, Juan Carlos Hurtado, Mireia Navarro, Isaac Casas, Paula Santos Ritchie, Sonia Bandeira, Sibone Mocumbi, Zara Jaze, Flora Mabota, Khátia Munguambe, Maria Maixenchs, Ariadna Sanz, Inacio Mandomando, Alfons Nadal, Anna Goncé, Carmen Muñoz-Almagro, Llorenç Quintó, Jordi Vila, Eusebio Macete, Pedro Alonso, Jaume Ordi, Quique Bassat
BACKGROUND: Over 5 million stillbirths and neonatal deaths occur annually. Limited and imprecise information on the cause of these deaths hampers progress in achieving global health targets. Complete diagnostic autopsies (CDAs)-the gold standard for cause of death determination-are difficult to perform in most high-burden settings. Therefore, validation of simpler and more feasible methods is needed. METHODS AND FINDINGS: In this observational study, the validity of a minimally invasive autopsy (MIA) method in determining the cause of death was assessed in 18 stillbirths and 41 neonatal deaths by comparing the results of the MIA with those of the CDA...
June 2017: PLoS Medicine
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