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Fetal programming

Nicole Ali, Gabrielle Rigney, Shelly K Weiss, Cary A Brown, Evelyn Constantin, Roger Godbout, Ana Hanlon-Dearman, Osman Ipsiroglu, Graham J Reid, Sarah Shea, Isabel M Smith, Machiel Van der Loos, Penny V Corkum
Insomnia, which is related to daytime deficits and is a common problem for children with neurodevelopmental disorders (NDDs), is often successfully treated with behavioral strategies. However, there are barriers to accessing these treatments, and there has been little research examining what these interventions need to be usable and effective. The goal of this study was to gain consensus from experts in the field on the key components of an eHealth, parent-implemented, intervention program aimed at improving sleep in children with attention-deficit/hyperactivity disorder, autism spectrum disorder, cerebral palsy, and fetal alcohol spectrum disorder...
April 2018: Sleep Health
Yu-Ching Lin, Meei-Ling Gau, Ghi-Hwei Kao, Hung-Chang Lee
BACKGROUND: The physical positions that are adopted by women during childbirth significantly impact their childbirth outcomes and experiences. Literature studies have associated using a squatting position with reduced childbirth pain and increased comfort and pushing efficiency. However, the major disadvantage of the squatting position is that women may lack the muscular fitness and stamina necessary to sustain this position for a long period. PURPOSE: The aim of this study was to compare the pushing experiences and birth outcomes of three different pushing positions during the second stage of labor...
March 16, 2018: Journal of Nursing Research: JNR
Margaret B Menzel, Anne K Lawrence, Eva I Rubio, Dorothy I Bulas
Fetal medicine programs within children's hospitals have been developed to ensure access to pediatric specialists across multiple disciplines. The cases that present to these programs are usually complex and require involvement of a multidisciplinary care team. Although some providers on the team limit their focus to their pediatric specialty when counseling patients, the radiologist and genetic counselor have a distinct perspective allowing them to take the larger picture into account in the evaluation of the fetus...
April 2018: Pediatric Radiology
Yanan Zhu, Na Zuo, Bin Li, Ying Xiong, Haiyun Chen, Hangyuan He, Zhaoxia Sun, Shuangshuang Hu, Hui Cheng, Ying Ao, Hui Wang
This study aimed to prove that prenatal ethanol exposure (PEE) can induce nephrotic syndrome in male rat offspring and to explore the underlying intrauterine programming mechanisms. Pregnant Wistar rats were intragastrically administered ethanol (4 g/kg d) from gestational day (GD) 9 to GD 20, and the male fetuses were delivered by cesarean section at GD20 and the male adult offspring were euthanized at postnatal week (PW) 24. In vitro, the primary metanephric mesenchyme cells were treated with ethanol at concentrations of 15-60 mM...
March 13, 2018: Toxicology
Bailin Liu, Ruixiu Shi, Xiang Li, Yanping Liu, Xueqin Feng, Xueyi Chen, Xiaorong Fan, Yingying Zhang, Wenna Zhang, Jiaqi Tang, Xiuwen Zhou, Na Li, Xiyuan Lu, Zhice Xu
BACKGROUND: Prenatal hypoxia is suggested to be associated with increased risks of hypertension in offspring. This study tested whether prenatal hypoxia resulted in salt-sensitive offspring and its related mechanisms of vascular ion channel remodeling. METHODS AND RESULTS: Pregnant rats were housed in a normoxic (21% O2 ) or hypoxic (10.5% O2 ) chamber from gestation days 5 to 21. A subset of male offspring received a high-salt diet (8% NaCl) from 4 to 12 weeks after birth...
March 15, 2018: Journal of the American Heart Association
Yong-Jun Xu, Hui Sheng, Tian-Wen Wu, Qing-Yue Bao, You Zheng, Yan-Min Zhang, Yu-Xiang Gong, Jian-Qiang Lu, Zhen-Dong You, Yang Xia, Xin Ni
Pregnant women at risk of preterm labor usually receive synthetic glucocorticoids (sGCs) to promote fetal lung development. Emerging evidence indicates that antenatal sGC increases the risk of affective disorders in offspring. Data from animal studies show that such disorders can be transmitted to the second generation. However, the molecular mechanisms underlying the intergenerational effects of prenatal sGC remain largely unknown. Here we show that prenatal dexamethasone (Dex) administration in late pregnancy induced depression-like behavior in first-generation (F1) offspring, which could be transmitted to second-generation (F2) offspring with maternal dependence...
March 15, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
Fredrik Dahl, Olle Ericsson, Olof Karlberg, Filip Karlsson, Mathias Howell, Fredrik Persson, Fredrik Roos, Johan Stenberg, Tarja Ahola, Ida Alftrén, Björn Andersson, Emelie Barkenäs, Birgit Brandner, Jenny Dahlberg, Sara Elfman, Magnus Eriksson, Per-Ola Forsgren, Niels Francois, Anna Gousseva, Faizan Hakamali, Åsa Janfalk-Carlsson, Henrik Johansson, Johanna Lundgren, Atefeh Mohsenchian, Linus Olausson, Simon Olofsson, Atif Qureshi, Björn Skarpås, Anna Sävneby, Eva Åström, Ove Öhman, Magnus Westgren, Helena Kopp-Kallner, Aino Fianu-Jonasson, Argyro Syngelaki, Kypros Nicolaides
Cell-free DNA analysis is becoming adopted for first line aneuploidy screening, however for most healthcare programs, cost and workflow complexity is limiting adoption of the test. We report a novel cost effective method, the Vanadis NIPT assay, designed for high precision digitally-enabled measurement of chromosomal aneuploidies in maternal plasma. Reducing NIPT assay complexity is achieved by using novel molecular probe technology that specifically label target chromosomes combined with a new readout format using a nanofilter to enrich single molecules for imaging and counting without DNA amplification, microarrays or sequencing...
March 14, 2018: Scientific Reports
Meghan McGee, Shannon Bainbridge, Bénédicte Fontaine-Bisson
The fetal origins of health and disease framework has identified extremes in fetal growth and birth weight as factors associated with the lifelong generation of chronic diseases such as obesity, diabetes, cardiovascular disease, and hypertension. Maternal nutrition plays a critical role in fetal and placental development, in part by providing the methyl groups required to establish the fetus's genome structure and function, notably through DNA methylation. The goal of this narrative review is to describe the role of maternal dietary methyl donor (methionine, folate, and choline) and cofactor (zinc and vitamins B2, B6, and B12) intake in one-carbon metabolism and DNA methylation in the fetus and placenta, as well as their impacts on fetal growth and lifelong health outcomes, with specific examples in animals and humans...
February 26, 2018: Nutrition Reviews
Andrea Tesija Kuna, Kristina Dukic, Nora Nikolac Gabaj, Marijana Miler, Ines Vukasovic, Sanja Langer, Ana-Maria Simundic, Nada Vrkic
Objective: To compare the analytical performances of the enzymatic method (EM) and capillary electrophoresis (CE) for hemoglobin A1c (HbA1c) measurement. Methods: Imprecision, carryover, stability, linearity, method comparison, and interferences were evaluated for HbA1c via EM (Abbott Laboratories, Inc) and CE (Sebia). Results: Both methods have shown overall within-laboratory imprecision of less than 3% for International Federation of Clinical Chemistry and Laboratory Medicine (IFCC) units (<2% National Glycohemoglobin Standardization Program [NGSP] units)...
March 8, 2018: Laboratory Medicine
Facundo Mendes Garrido Abregú, María Natalia Gobetto, Lorena Vanesa Juriol, Carolina Caniffi, Rosana Elesgaray, Analía Lorena Tomat, Cristina Arranz
Micronutrient malnutrition during intrauterine and postnatal growth may program cardiovascular diseases in adulthood. We examined whether moderate zinc restriction in male and female rats throughout fetal life, lactation and/or postweaning growth induces alterations that can predispose to the onset of vascular dysfunction in adulthood. Female Wistar rats were fed low- or control zinc diets from pregnancy to offspring weaning. After weaning, offspring were fed either a low- or a control zinc diet until 81 days...
February 9, 2018: Journal of Nutritional Biochemistry
Sobha Puppala, Cun Li, Jeremy P Glenn, Romil Saxena, Samer Gawrieh, Amy Quinn, Jennifer Palarczyk, Edward J Dick, Peter W Nathanielsz, Laura A Cox
Maternal obesity (MO) increases offspring cardiometabolic disease risk. Altered fetal liver development in response to the challenge of MO has metabolic consequences underlying adverse offspring life-course health outcomes. Little is known about molecular pathways and potential epigenetic changes regulating primate fetal liver responses to MO. We hypothesized that MO would induce fetal baboon liver epigenetic changes resulting in dysregulation of key metabolic pathways that impact lipid metabolism. MO was induced prior to pregnancy by a high fat, high sucrose diet...
March 7, 2018: Journal of Physiology
Lexie Prokopuk, Kirsten Hogg, Patrick S Western
Background: Recently discovered drugs that target epigenetic modifying complexes are providing new treatment options for a range of cancers that affect patients of reproductive age. Although these drugs provide new therapies, it is likely that they will also affect epigenetic programming in sperm and oocytes. A promising target is Enhancer of Zeste 2 (EZH2), which establishes the essential epigenetic modification, H3K27me3, during development. Results: In this study, we demonstrate that inhibition of EZH1/2 with the clinically relevant drug, tazemetostat, severely depletes H3K27me3 in growing oocytes of adult female mice...
2018: Clinical Epigenetics
Tom Kovitwanichkanont, Tim Driscoll
Isotretinoin has revolutionized the treatment of severe acne vulgaris, a condition which if left untreated may result in significant socio-psychological implications for those affected. Timely access to isotretinoin therapy is important to avoid the risks of potential physical and emotional scarring. However, due to its high risks of teratogenicity, isotretinoin must be used with care in females of childbearing potential. Since isotretinoin's introduction, numerous risk management programs have been implemented across the world in an attempt to prevent isotretinoin use in pregnancy...
March 6, 2018: International Journal of Dermatology
Kamaleldin E Elagib, Ashton T Brock, Adam N Goldfarb
Fetal megakaryocytes (Mk) differ from adult Mk in key parameters that affect their capacity for platelet production. However, despite being smaller, more proliferative, and less polyploid, fetal Mk generally mature in the same manner as adult. The phenotypic features unique to fetal Mk predispose patients to several disease conditions: infantile thrombocytopenia, infantile megakaryoblastic leukemias, and poor platelet recovery after umbilical cord blood stem cell transplants. Ontogenic Mk differences also affect new strategies being developed to address global shortages of platelet transfusion units...
February 28, 2018: Experimental Hematology
Zewen Chen, Lei Wang, Jun Ke, DaLiao Xiao
BACKGROUND: Epidemiological studies and experimental studies have demonstrated that intrauterine adverse environment increases the risk of cardiovascular disease (CVD) in adulthood. However, whether an individual develops a cardiovascular dysfunctional phenotype may depend on genetic background, age, and sex. METHODS: In this review, we summarize some of the recent experimental animal studies in the developmental programming of adult CVD with an emphasis on sex differences and the potential role of estrogen in mediating sexual dimorphism...
March 1, 2018: Current Vascular Pharmacology
Antoni Borrell
Prenatal diagnosis of birth defects initially targeted Down syndrome and neural tube defects. Screening for fetal structural anomalies has expanded to screen any relevant malformation by means of a universal ultrasound scan. Although it is now apparent that clinically relevant genetic anomalies have a similar 3% birth prevalence, prenatal diagnosis programs still focus on Down syndrome. A new comprehensive paradigm is suggested, that provides information on all three groups of genetic disorders, chromosomal, submicroscopic and single-gene, causing intellectual and neurodevelopmental disability...
February 26, 2018: Ultrasound in Obstetrics & Gynecology
Sarah Jean Glastras, Hui Chen, Carol A Pollock, Sonia Saad
Obesity, together with insulin resistance, promotes multiple metabolic abnormalities and is strongly associated with an increased risk of chronic disease including type 2 diabetes (T2D), hypertension, cardiovascular disease, non-alcoholic fatty liver disease and chronic kidney disease (CKD). The incidence of obesity continues to rise in astronomical proportions throughout the world and affects all different stages of the lifespan. Importantly, the proportion of women of reproductive age who are overweight or obese is increasing at an alarming rate and has potential ramifications for offspring health and disease risk...
February 26, 2018: Bioscience Reports
Adrianne Rahde Bischoff, Fábio da Silva Cunha, Roberta Dalle Molle, Paulo José Cauduro Maróstica, Patrícia Pelufo Silveira
OBJECTIVE: The literature suggests that a fetus will adapt to surrounding adversities by optimizing its use of energy to improve survival, ultimately leading to the programming of the individual's energy intake and expenditure. While recent reviews focused on the fetal programming of energy intake and food preferences, there is also some evidence that fetal adversity is associated with diminished physical activity levels. Therefore, we aimed to review (a) the evidence for an association between being born IUGR and sedentarism over the life-course and (b) the potential benefits of physical activity over cardiometabolic risk factors for this population...
February 21, 2018: Jornal de Pediatria
Ana Maria Vayna, Alina Veduta, Simona Duta, Anca Maria Panaitescu, Sabrina Stoica, Natalia Buinoiu, Florina Nedelea, Gheorghe Peltecu
OBJECTIVES: To assess the performance of first-trimester ultrasound (US) in identifying major fetal structural abnormalities in an unselected population. METHODS: We conducted a retrospective analysis of all pregnancies that underwent the 11- to 14-week scan in the Fetal Medicine Department of Filantropia Hospital in Bucharest, which were prospectively examined within our screening program. The purpose of the first-trimester US was to evaluate the risk for chromosomal abnormalities and to conduct fetal anatomic examination using a detailed protocol...
February 24, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
Timothy Mitchell, James W MacDonald, Sengkeo Srinouanpranchanh, Theodor K Bammler, Sean Merillat, Erica Boldenow, Michelle Coleman, Kathy Agnew, Audrey Baldessari, Jennifer E Stencel-Baerenwald, Jennifer Tisoncik-Go, Richard R Green, Michael J Gale, Lakshmi Rajagopal, Kristina M Adams Waldorf
BACKGROUND: Most early preterm births are associated with intraamniotic infection and inflammation, which can lead to systemic inflammation in the fetus. The fetal inflammatory response syndrome describes elevations in the fetal interleukin-6 level, which is a marker for inflammation and fetal organ injury. An understanding of the effects of inflammation on fetal cardiac development may lead to insight into the fetal origins of adult cardiovascular disease. OBJECTIVE: The purpose of this study was to determine whether the fetal inflammatory response syndrome is associated with disruptions in gene networks that program fetal cardiac development...
February 21, 2018: American Journal of Obstetrics and Gynecology
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