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Fetal programing

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https://www.readbyqxmd.com/read/29450662/preconception-counseling-for-adolescents-and-young-adults-with-diabetes-a-literature-review-of-the-past-10-years
#1
REVIEW
Frances Peterson-Burch, Hiba Abujaradeh, Nicole Charache, Andrea Fischl, Denise Charron-Prochownik
PURPOSE OF REVIEW: Women with diabetes who have unplanned pregnancies and uncontrolled blood sugars are at a higher risk for maternal and fetal morbidities and mortalities. Preconception counseling (PC) has been shown to decrease the risks and improve health outcomes. From 2009 to 2017, the American Diabetes Association has recommended that preconception counseling be given at each clinic visit for all women with diabetes of childbearing age starting at puberty (prior to sexual debut)...
February 15, 2018: Current Diabetes Reports
https://www.readbyqxmd.com/read/29432581/14q32-and-let-7-micrornas-regulate-transcriptional-networks-in-fetal-and-adult-human-erythroblasts
#2
Samuel Lessard, Mélissa Beaudoin, Stuart H Orkin, Daniel E Bauer, Guillaume Lettre
In humans, fetal erythropoiesis takes place in the liver whereas adult erythropoiesis occurs in the bone marrow. Fetal and adult erythroid cells are not only produced at different sites, but are also distinguished by their respective transcriptional program. In particular, whereas fetal erythroid cells express γ-globin chains to produce fetal hemoglobin (HbF), adult cells express β-globin chains to generate adult hemoglobin. Understanding the transcriptional regulation of the fetal-to-adult hemoglobin switch is clinically important as re-activation of HbF production in adult erythroid cells would represent a promising therapy for the hemoglobin disorders sickle cell disease and β-thalassemia...
February 8, 2018: Human Molecular Genetics
https://www.readbyqxmd.com/read/29425512/deciphering-cell-lineage-specification-during-male-sex-determination-with-single-cell-rna-sequencing
#3
Isabelle Stévant, Yasmine Neirijnck, Christelle Borel, Jessica Escoffier, Lee B Smith, Stylianos E Antonarakis, Emmanouil T Dermitzakis, Serge Nef
The gonad is a unique biological system for studying cell-fate decisions. However, major questions remain regarding the identity of somatic progenitor cells and the transcriptional events driving cell differentiation. Using time-series single-cell RNA sequencing on XY mouse gonads during sex determination, we identified a single population of somatic progenitor cells prior to sex determination. A subset of these progenitors differentiates into Sertoli cells, a process characterized by a highly dynamic genetic program consisting of sequential waves of gene expression...
February 6, 2018: Cell Reports
https://www.readbyqxmd.com/read/29422215/long-term-cardiovascular-consequences-of-fetal-growth-restriction-biology-clinical-implications-and-opportunities-for-prevention-of-adult-disease
#4
REVIEW
Fatima Crispi, Jezid Miranda, Eduard Gratacós
In the modern world, cardiovascular disease is a leading cause of death for both men and women. Epidemiologic studies consistently have suggested an association between low birthweight and/or fetal growth restriction and increased rate of cardiovascular mortality in adulthood. Furthermore, experimental and clinical studies have demonstrated that sustained nutrient and oxygen restriction that are associated with fetal growth restriction activate adaptive cardiovascular changes that might explain this association...
February 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29422206/individualized-growth-assessment-conceptual-framework-and-practical-implementation-for-the-evaluation-of-fetal-growth-and-neonatal-growth-outcome
#5
REVIEW
Russell L Deter, Wesley Lee, Lami Yeo, Offer Erez, Uma Ramamurthy, Medha Naik, Roberto Romero
Fetal growth abnormalities can pose significant consequences on perinatal morbidity and mortality of nonanomalous fetuses. The most widely accepted definition of fetal growth restriction is an estimated fetal weight less than the 10th percentile for gestational age according to population-based criteria. However, these criteria do not account for the growth potential of an individual fetus, nor do they effectively separate constitutionally small fetuses from ones that are malnourished. Furthermore, conventional approaches typically evaluate estimated fetal weight at a single time point, rather than using serial scans, to evaluate growth...
February 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29419693/organ-damage-mitigation-with-the-baskent-sickle-cell-medical-care-development-program-bascare
#6
Hakan Ozdogu, Can Boga, Suheyl Asma, Ilknur Kozanoglu, Cigdem Gereklioglu, Mahmut Yeral, Nurhilal Turgut Buyukkurt, Soner Solmaz, Aslı Korur, Pelin Aytan, Erkan Maytalman, Mutlu Kasar
The Eastern Mediterranean is among the regions where sickle cell disease (SCD) is common. The morbidity and mortality of this disease can be postponed to adulthood through therapies implemented in childhood. The present study focuses on the organ damage-reducing effects of the Baskent Sickle Cell Medical Care Development Program (BASCARE), which was developed by a team who lives in this region and has approximately 25 years of experience. The deliverables of the program included the development of an electronic health recording system (PRANA) and electronic vaccination system; the use of low citrate infusion in routine prophylactic automatic erythrocyte exchange (ARCE) programs including pregnant women; the use of leukocyte-filtered and irradiated blood for transfusion; the use of magnetic resonance imaging methods (T2) for the management of transfusion-related hemosiderosis; and the implementation of an allogeneic hematopoietic stem cell transplantation protocol for adult patients...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29417016/risk-factor-of-type-2-diabetes-mellitus-among-adolescents-from-rural-area-of-india
#7
Shilpa Gaidhane, Wani Mittal, Nazli Khatib, Quazi Syed Zahiruddin, Pramita A Muntode, Abhay Gaidhane
Context: Health system is likely to encounter more adolescents with Type 2 diabetes mellitus (T2DM) as a consequence of obesity and sedentary lifestyle. Intervention at various stages of the life cycle is needed as cumulative effect of risk factors accumulated from fetal life to adult increases risk of noncommunicable disease. Aims: The aim of this study was to find out awareness regarding T2DM and distribution of risk factor for T2DM in adolescents from the rural areas of Wardha district, India...
July 2017: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/29416537/prior-to-peripheral-tolerance-newly-generated-cd4-t-cells-maintain-dangerous-autoimmune-potential-fas-and-perforin-independent-autoimmunity-controlled-by-programmed-death-1
#8
Kristofor K Ellestad, Govindarajan Thangavelu, Yohannes Haile, Jiaxin Lin, Louis Boon, Colin C Anderson
Lymphopenia can result from various factors, including viral infections, clinical interventions, or as a normal property of the fetal/neonatal period. T cells in a lymphopenic environment undergo lymphopenia-induced proliferation (LIP) to fill the available "niche" as defined by peptide-MHC and homeostatic cytokine resources. We recently reported systemic autoimmunity following reconstitution of the lymphoid compartment of Rag1-/- mice with PD-1-/- hematopoietic stem cells or by transfer of thymocytes, but not splenocytes, suggesting that programmed death-1 (PD-1) plays a crucial role in controlling recent thymic emigrants (RTE) and preventing autoimmunity upon their LIP...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29413487/maternal-protein-restriction-during-lactation-induces-early-and-lasting-plasma-metabolomic-and-hepatic-lipidomic-signatures-of-the-offspring-in-a-rodent-programming-model
#9
Aurore Martin Agnoux, Angélina El Ghaziri, Thomas Moyon, Anthony Pagniez, Agnès David, Gilles Simard, Patricia Parnet, El Mostafa Qannari, Dominique Darmaun, Jean-Philippe Antignac, Marie-Cécile Alexandre-Gouabau
Perinatal undernutrition affects not only fetal and neonatal growth but also adult health outcome, as suggested by the metabolic imprinting concept. However, the exact mechanisms underlying offspring metabolic adaptations are not yet fully understood. Specifically, it remains unclear whether the gestation or the lactation is the more vulnerable period to modify offspring metabolic flexibility. We investigated in a rodent model of intrauterine growth restriction (IUGR) induced by maternal protein restriction (R) during gestation which time window of maternal undernutrition (gestation, lactation or gestation-lactation) has more impact on the male offspring metabolomics phenotype...
December 10, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29412452/screening-for-fetal-and-neonatal-alloimmune-thrombocytopenia-lessons-learned-from-a-norwegian-screening-program
#10
Mette Kjaer, Jens Kjeldsen-Kragh, Cathrine Fiskum, Irene Leinan, Bjørn Skogen, Anne Husebekk
An important issue on human platelet antigen (HPA)-1a screening has recently been addressed in Acta Obstetrica et Gynecologica Scandinavia. Winkelhorst et al. reported that the vast majority of women in the general pregnant population were positive about screening (1). Here we report that there was also a positive attitude towards screening among Norwegian HPA-1a-immunized pregnant women. Further, we report that insufficient information may have led to unnecessary anxiety in this high-risk population. This article is protected by copyright...
February 7, 2018: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/29408625/maternal-and-neonatal-irisin-precursor-gene-fndc5-polymorphism-is-associated-with-preterm-birth
#11
Hagit Salem, Yekaterina Yatchenko, Mariana Anosov, Talya Rosenfeld, Gheona Altarescu, Sorina Grisaru-Granovsky, Ruth Birk
Irisin is a novel secreted myokine, encoded by the fibronectin type III domain-containing protein 5 (FNDC5) precursor gene. Irisin plays a role in the female reproductive system in pregnancy and in embryonic development, and is associated with fetal size. It is expressed in the ovary, placenta and neonatal cord serum. We studied whether maternal and neonatal FNDC5 genetic polymorphisms are associated with preterm birth (PTB). Blood for DNA analysis was collected from Israeli mothers (n = 315) and from umbilical veins of their respected idiopathic preterm (24-36 weeks) and control term (>37 weeks) newborns (n = 161)...
January 30, 2018: Gene
https://www.readbyqxmd.com/read/29403301/early-exposure-to-distinct-sources-of-lipids-affects-differently-the-development-and-hepatic-inflammatory-profiles-of-21-day-old-rat-offspring
#12
Laís Vales Mennitti, Lila Missae Oyama, Aline Boveto Santamarina, Claudia Maria da Penha Oller do Nascimento, Luciana Pellegrini Pisani
Introduction: Maternal diet composition of fatty acids during pregnancy and lactation seems to modify the fetal programming, epigenetic pattern and offspring phenotype. Aim: Herein, we investigated the effects of maternal consumption of normal-fat diets with distinct lipid sources during pregnancy and lactation on the somatic development and proinflammatory status of 21-day-old rat offspring. Materials and Methods: On the first day of pregnancy, female Wistar rats were divided into four groups as follows: soybean oil (M-SO), lard (M-L), hydrogenated vegetable fat (M-HVF) and fish oil (M-FO)...
2018: Journal of Inflammation Research
https://www.readbyqxmd.com/read/29401611/prenatal-iron-deficiency-causes-sex-dependent-mitochondrial-dysfunction-and-oxidative-stress-in-fetal-rat-kidneys-and-liver
#13
Andrew G Woodman, Richard Mah, Danae Keddie, Ronan M N Noble, Sareh Panahi, Ferrante S Gragasin, Hélène Lemieux, Stephane L Bourque
Prenatal iron deficiency alters fetal developmental trajectories, which results in persistent changes in organ function. Here, we studied the effects of prenatal iron deficiency on fetal kidney and liver mitochondrial function. Pregnant Sprague-Dawley rats were fed partially or fully iron-restricted diets to induce a state of moderate or severe iron deficiency alongside iron-replete control rats. We assessed mitochondrial function via high-resolution respirometry and reactive oxygen species generation via fluorescence microscopy on gestational d 21...
January 19, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29397052/intrauterine-growth-restriction-combined-with-a-maternal-high-fat-diet-increased-adiposity-and-serum-corticosterone-levels-in-adult-rat-offspring
#14
E K Zinkhan, B Yu, C W Callaway, R A McKnight
Intrauterine growth restriction (IUGR) and fetal exposure to a maternal high-fat diet (HFD) independently increase the risk of developing obesity in adulthood. Excess glucocorticoids increase obesity. We hypothesized that surgically induced IUGR combined with an HFD would increase adiposity and glucocorticoids more than in non-IUGR offspring combined with the same HFD, findings that would persist despite weaning to a regular diet. Non-IUGR (N) and IUGR (I) rat offspring from dams fed either regular rat chow (R) or an HFD (H) were weaned to either a regular rat chow or an HFD...
February 5, 2018: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/29391132/neonatal-ethanol-and-choline-treatments-alter-the-morphology-of-developing-rat-hippocampal-pyramidal-neurons-in-opposite-directions
#15
C M Goeke, M L Roberts, J G Hashimoto, D A Finn, M Guizzetti
Some of the neurobehavioral deficits identified in children with Fetal Alcohol Spectrum Disorders (FASDs) have been recapitulated in a binge model of gestational third trimester-equivalent ethanol (EtOH) exposure, in which Sprague-Dawley rats are intragastrically intubated between post-natal day (PD) 4 and PD9 with high doses of EtOH. In this model, the ameliorating effects of choline (Chol) administration on hippocampus-dependent behaviors altered by EtOH have also been extensively documented. In the present study, we investigated the effects of EtOH (5 g/kg/day) and/or Chol (100 mg/kg/day) on morphometric parameters of CA1 pyramidal neurons by Golgi-Cox staining followed by Neurolucida tracing and analysis...
January 29, 2018: Neuroscience
https://www.readbyqxmd.com/read/29385480/genotype-x-prenatal-and-post-weaning-nutritional-environment-interaction-in-a-composite-beef-cattle-breed-using-reaction-norms-and-a-multi-trait-model
#16
El Hamidi Hay, Andy Roberts
Environmental effects have been shown to influence several economically important traits in beef cattle. In this study, genotype x nutritional environment interaction has been evaluated in a composite beef cattle breed (50% Red Angus, 25% Charolais, 25% Tarentaise). Four nutritional environments (MARG-RES, MARG-CTRL, ADEQ-RES and ADEQ-CTRL) were created based on 2 levels of winter supplement provided to dams grazing winter range during gestation (MARG and ADEQ) and 2 levels of input to offspring during post-weaning development (RES and CTRL)...
January 29, 2018: Journal of Animal Science
https://www.readbyqxmd.com/read/29381876/recent-and-emerging-reproductive-biology-research-in-australia-and-new-zealand-highlights-from-the-society-for-reproductive-biology-annual-meeting-2017
#17
M J Bertoldo, P H Andraweera, E G Bromfield, F L Cousins, L A Lindsay, P Paiva, S L Regan, R D Rose, L K Akison
Research in reproductive science is essential to promote new developments in reproductive health and medicine, agriculture and conservation. The Society for Reproductive Biology (SRB) 2017 conference held in Perth (WA, Australia) provided a valuable update on current research programs in Australia and New Zealand. This conference review delivers a dedicated summary of significant questions, emerging concepts and innovative technologies presented in the symposia. This research demonstrates significant advances in the identification of precursors for a healthy pregnancy, birth and child, and discusses how these factors can influence disease risk...
January 31, 2018: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/29380317/assessment-of-placental-transport-function-in-studies-of-disease-programming
#18
Amanda N Sferruzzi-Perri
Environmental conditions during pregnancy affect fetal growth and development and program the offspring for poor future health. These effects may be mediated by the placenta, which develops to transfer nutrients from the mother to the fetus for growth. The ability to measure the unidirectional maternofetal transfer of non-metabolizable radio-analogues of glucose and amino acid by the placenta in vivo has thus been invaluable to our understanding of the regulation of fetal growth, particularly in small animal models...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29377643/causes-of-congenital-malformations
#19
M Hassan Toufaily, Marie-Noel Westgate, Angela E Lin, Lewis B Holmes
BACKGROUND: Many different causes of malformations have been established. The surveillance of a consecutive population of births, including stillbirths and elective terminations of pregnancy because of fetal anomalies, can identify each infant with malformations and determine the frequency of the apparent etiologies. This report is a sequel to the first such analysis in the first 10 years of this Active Malformations Surveillance Program (Nelson and Holmes, ). METHODS: The presence of malformations was determined among 289,365 births over 41 years (1972-2012) at the Brigham and Women's Hospital in Boston...
January 2018: Birth Defects Research
https://www.readbyqxmd.com/read/29377639/polydactyly-postaxial-type-b
#20
Lewis B Holmes, Hanah Nasri, Anne-Therese Hunt, M Hassan Toufaily, Marie-Noel Westgate
BACKGROUND: Postaxial polydactyly, type B is the most common type of polydactyly. The vestigial sixth finger is attached by a narrow neurovascular pedicle to the lateral aspect of the hand or foot at the level of the metacarpal-phalangeal joint or the metatarsal-phalangeal joint. The occurrence of this type of polydactyly varies among racial groups, by sex and sidedness. Postaxial polydactyly, type A is a fully developed extra digit on the lateral aspect of the hand or foot with a bifid fifth or sixth metacarpal/metatarsal and is much less common...
January 2018: Birth Defects Research
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