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Fetal programing

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https://www.readbyqxmd.com/read/27905292/the-effect-of-iron-deficiency-on-the-temporal-changes-in-the-expression-of-genes-associated-with-fat-metabolism-in-the-pregnant-rat
#1
Susan M Hay, Harry J McArdle, Helen E Hayes, Valerie J Stevens, William D Rees
Iron is essential for the oxidative metabolism of lipids. Lipid metabolism changes during gestation to meet the requirements of the growing fetus and to prepare for lactation. The temporal effects of iron deficiency during gestation were studied in female rats fed complete or iron-deficient diets. Plasma triglycerides were elevated in the iron-deficient group throughout gestation. There were time-dependent changes in the triglyceride content of the maternal liver, falling at the midpoint of gestation and then increasing on d21...
November 2016: Physiological Reports
https://www.readbyqxmd.com/read/27899895/developmental-origins-of-cardiometabolic-diseases-role-of-the-maternal-diet
#2
REVIEW
João H Costa-Silva, Aiany C Simões-Alves, Mariana P Fernandes
Developmental origins of cardiometabolic diseases have been related to maternal nutritional conditions. In this context, the rising incidence of arterial hypertension, diabetes type II, and dyslipidemia has been attributed to genetic programming. Besides, environmental conditions during perinatal development such as maternal undernutrition or overnutrition can program changes in the integration among physiological systems leading to cardiometabolic diseases. This phenomenon can be understood in the context of the phenotypic plasticity and refers to the adjustment of a phenotype in response to environmental input without genetic change, following a novel, or unusual input during development...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27899163/human-fetal-and-adult-epicardial-derived-cells-a-novel-model-to-study-their-activation
#3
Asja T Moerkamp, Kirsten Lodder, Tessa van Herwaarden, Esther Dronkers, Calinda K E Dingenouts, Fredrik C Tengström, Thomas J van Brakel, Marie-José Goumans, Anke M Smits
BACKGROUND: The epicardium, a cell layer covering the heart, plays an important role during cardiogenesis providing cardiovascular cell types and instructive signals, but becomes quiescent during adulthood. Upon cardiac injury the epicardium is activated, which includes induction of a developmental gene program, epithelial-to-mesenchymal transition (EMT) and migration. However, the response of the adult epicardium is suboptimal compared to the active contribution of the fetal epicardium to heart development...
November 29, 2016: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/27894883/incubation-relative-humidity-induces-renal-morphological-and-physiological-remodeling-in-the-embryo-of-the-chicken-gallus-gallus-domesticus
#4
Greta Bolin, Benjamin Dubansky, Warren W Burggren
The metanephric kidneys of the chicken embryo, along with the chorioallantoic membrane, process water and ions to maintain osmoregulatory homeostasis. We hypothesized that changes in relative humidity (RH) and thus osmotic conditions during embryogenesis would alter the developmental trajectory of embryonic kidney function. White leghorn chicken eggs were incubated at one of 25-30% relative humidity, 55-60% relative humidity, and 85-90% relative humidity. Embryos were sampled at days 10, 12, 14, 16, and 18 to examine embryo and kidney mass, glomerular characteristics, body fluid osmolalities, hematological properties, and whole embryo oxygen consumption...
November 25, 2016: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/27891300/fetal-alcohol-spectrum-disorders-fasd-an-approach-to-effective-prevention
#5
REVIEW
Sylvia Roozen, D Black, G-J Y Peters, G Kok, D Townend, J G Nijhuis, G H Koek, L M G Curfs
PURPOSE OF REVIEW: The objective of the current contribution is to propose an evidence-based, six-step approach to develop effective programs for prevention of fetal alcohol spectrum disorders. RECENT FINDINGS: Despite widespread campaigns aimed to reduce prenatal alcohol exposure, the number of affected children continues to be high. Current strategies to reduce prenatal alcohol exposure may be ineffective or counterproductive. However, proven principles of health promotion could be applied to reduce drinking in pregnancy...
2016: Current Developmental Disorders Reports
https://www.readbyqxmd.com/read/27891191/birth-weight-for-gestational-age-is-associated-with-dna-methylation-at-birth-and-in-childhood
#6
Golareh Agha, Hanine Hajj, Sheryl L Rifas-Shiman, Allan C Just, Marie-France Hivert, Heather H Burris, Xihong Lin, Augusto A Litonjua, Emily Oken, Dawn L DeMeo, Matthew W Gillman, Andrea A Baccarelli
BACKGROUND: Both higher and lower fetal growth are associated with cardio-metabolic health later in life, suggesting that prenatal developmental programming determines long-term cardiovascular disease risk. Epigenetic mechanisms, which orchestrate fetal growth and development, may offer insight on the early programming of health and disease. We investigated whether birth weight-for-gestational is associated with DNA methylation at birth and mid-childhood, measured via the Infinium 450K array...
2016: Clinical Epigenetics
https://www.readbyqxmd.com/read/27890000/reproductive-toxicity-of-t-cells-in-early-life-abnormal-immune-development-and-postnatal-diseases
#7
Han-Xiao Liu, Aifang Jiang, Ting Chen, Wen Qu, Hui-Yi Yan, Jie Ping
Immunity is a balanced status with adequate biological defenses to recognize and fight "non-self", as well as adequate tolerance to recognize "self". To maintain this immune homeostasis, a well-organized T cell immune network is required, which in part depends on the well-controlled development of alternative effector T cells, with different cytokine repertoires. Recent research has pointed that developing fetal T cells network is a remarkably sensitive toxicological target for adverse factors in early life...
November 24, 2016: Current Drug Targets
https://www.readbyqxmd.com/read/27889305/invasive-prenatal-diagnosis-of-fetal-thalassemia
#8
REVIEW
Dong-Zhi Li, Yan-Dong Yang
Thalassemia is the most common monogenic inherited disease worldwide, affecting individuals originating from many countries to various extents. As the disease requires long-term care, prevention of the homozygous state presents a substantial global disease burden. The comprehensively preventive programs involve carrier detections, molecular diagnostics, genetic counseling, and prenatal diagnosis. Invasive prenatal diagnosis refers to obtaining fetal material by chorionic villus sampling (CVS) at the first trimester, and by amniocentesis or cordocentesis at the second trimester...
October 26, 2016: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/27888318/toward-improving-the-fetal-diagnosis-of-coarctation-of-the-aorta
#9
Meaghan Beattie, Shabnam Peyvandi, Suguna Ganesan, Anita Moon-Grady
Coarctation of the aorta (CoA) is the most common ductal-dependent lesion missed on neonatal exam screening. Prenatal diagnosis of CoA improves outcomes through early initiation of prostaglandin. Fetal echocardiographic parameters including 2D and Doppler findings have been studied as predictive measures for fetal diagnosis of CoA, but diagnosis rates remain variable. A comprehensive set of predictor variables was applied to fetuses suspected of CoA to analyze which parameters were associated with postnatal CoA...
November 25, 2016: Pediatric Cardiology
https://www.readbyqxmd.com/read/27879203/fetal-and-neonatal-hematopoietic-progenitors-are-functionally-and-transcriptionally-resistant-to-flt3-itd-mutations
#10
Shaina N Porter, Andrew S Cluster, Wei Yang, Kelsey A Busken, Riddhi M Patel, Jiyeon A Ryoo, Jeffrey A Magee
The FLT3 Internal Tandem Duplication (FLT3(ITD)) mutation is common in adult acute myeloid leukemia (AML) but rare in early childhood AML. It is not clear why this difference occurs. Here we show that Flt3(ITD) and cooperating Flt3(ITD)/Runx1 mutations cause hematopoietic stem cell depletion and myeloid progenitor expansion during adult but not fetal stages of murine development. In adult progenitors, FLT3(ITD) simultaneously induces self-renewal and myeloid commitment programs via STAT5-dependent and STAT5-independent mechanisms, respectively...
November 23, 2016: ELife
https://www.readbyqxmd.com/read/27869383/-geographic-distribution-of-perinatal-mortality-due-to-congenital-malformations-in-colombia-1999-2008-an-analysis-of-vital-statistics-data
#11
Sandra Patricia Misnaza, Claudia Patricia Roncancio, Isabel Cristina Peña, Franklin Edwin Prieto
INTRODUCTION: During 2012, 13% of the deaths worldwide in children under the age of 28 days were due to congenital malformations. In Colombia, congenital malformations are the second leading cause of infant mortality. Objective: To determine the geographical distribution of extended perinatal mortality due to congenital malformations in Colombia between 1999 and 2008. Materials and methods: We conducted a cross-sectional study. We revised all death certificates issued between 1999 and 2008...
September 1, 2016: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/27864799/primordial-prevention-of-cardiometabolic-risk-in-childhood
#12
Meryem A Tanrikulu, Mehmet Agirbasli, Gerald Berenson
Fetal life and childhood are important in the development of cardiometabolic risk and later clinical disease of atherosclerosis, hypertension and diabetes mellitus. Molecular and environmental conditions leading to cardiometabolic risk in early life bring us a challenge to develop effective prevention and intervention strategies to reduce cardiovascular (CV) risk in children and later disease. It is important that prevention strategies begin at an early age to reduce future CV morbidity and mortality. Pioneering work from longitudinal studies such as Bogalusa Heart Study (BHS), the Finnish Youth Study and other programs provide an awareness of the need for public and health services to begin primordial prevention...
November 19, 2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27859643/undernourishment-in-utero-and-hepatic-steatosis-in-later-life-a-potential-issue-in-japanese-people-a-review
#13
REVIEW
Hiroaki Itoh, Keiko Muramatsu-Kato, Urmi J Ferdous, Yukiko Kohmura-Kobayashi, Naohiro Kanayama
Non-alcoholic fatty liver disease (NAFLD) is a hepatic manifestation of metabolic syndrome. The prevalence of NAFLD in Japan has nearly doubled in the last 10-15 years. Increasing evidence supports undernourishment in utero being causatively connected with the risk of NAFLD in later life. Low body mass index (BMI) has been common among Japanese women of childbearing age for several decades due to their strong desire to be thin. It is plausible that insufficient maternal energy intake by pregnant Japanese women may underlie the rapid increase in the prevalence of NAFLD in Japan...
November 16, 2016: Congenital Anomalies
https://www.readbyqxmd.com/read/27859593/placental-specific-overexpression-of-sflt-1-alters-trophoblast-differentiation-and-nutrient-transporter-expression-in-an-iugr-mouse-model
#14
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/27859463/how-many-procedures-does-it-take-success-of-a-cvs-training-program-for-maternal-fetal-medicine-fellows
#15
Alexis C Gimovsky, Sindy C Moreno, Sara Nicholas, Amanda Roman, Stuart Weiner
OBJECTIVES: To quantify the learning curve for a training program for Maternal Fetal Medicine (MFM) fellows in obtaining successful transvaginal chorionic villus sampling (CVS) results in women with early pregnancy failure (EPF). METHODS: Retrospective observational cohort study of transvaginal CVS and subsequent manual vacuum aspiration (MVA) performed by MFM fellows. CVS samples were sent for karyotype, and products of conception (POC) were sent if CVS sample did not yield a result...
November 16, 2016: Prenatal Diagnosis
https://www.readbyqxmd.com/read/27853271/foetal-programming-by-methyl-donor-deficiency-produces-steato-hepatitis-in-rats-exposed-to-high-fat-diet
#16
Anaïs Bison, Aude Marchal-Bressenot, Zhen Li, Ilef Elamouri, Eva Feigerlova, Lu Peng, Remi Houlgatte, Bernard Beck, Gregory Pourié, Jean-Marc Alberto, Remy Umoret, Guillaume Conroy, Jean-Pierre Bronowicki, Jean-Louis Guéant, Rosa-Maria Guéant-Rodriguez
Non-alcoholic steatohepatitis (NASH) is a manifestation of metabolic syndrome, which emerges as a major public health problem. Deficiency in methyl donors (folate and vitamin B12) during gestation and lactation is frequent in humans and produces foetal programming effects of metabolic syndrome, with small birth weight and liver steatosis at day 21 (d21), in rat pups. We investigated the effects of fetal programming on liver of rats born from deficient mothers (iMDD) and subsequently subjected to normal diet after d21 and high fat diet (HF) after d50...
November 17, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27849611/notch1-controls-development-of-the-extravillous-trophoblast-lineage-in-the-human-placenta
#17
Sandra Haider, Gudrun Meinhardt, Leila Saleh, Christian Fiala, Jürgen Pollheimer, Martin Knöfler
Development of the human placenta and its different epithelial trophoblasts is crucial for a successful pregnancy. Besides fusing into a multinuclear syncytium, the exchange surface between mother and fetus, progenitors develop into extravillous trophoblasts invading the maternal uterus and its spiral arteries. Migration into these vessels promotes remodelling and, as a consequence, adaption of blood flow to the fetal-placental unit. Defects in remodelling and trophoblast differentiation are associated with severe gestational diseases, such as preeclampsia...
November 14, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27822638/cardiac-changes-in-apoptosis-inflammation-oxidative-stress-and-nitric-oxide-system-induced-by-prenatal-and-postnatal-zinc-deficiency-in-male-and-female-rats
#18
Lorena Vanesa Juriol, María Natalia Gobetto, Facundo Mendes Garrido Abregú, Marina Ercilia Dasso, Gonzalo Pineda, Leandro Güttlein, Andrea Carranza, Osvaldo Podhajcer, Jorge Eduardo Toblli, Rosana Elesgaray, Cristina Teresa Arranz, Analía Lorena Tomat
PURPOSE: Zinc restriction during fetal and postnatal development could program cardiovascular diseases in adulthood. The aim of this study was to determine the effects of zinc restriction during fetal life, lactation, and/or post-weaning growth on cardiac inflammation, apoptosis, oxidative stress, and nitric oxide system of male and female adult rats. METHODS: Wistar rats were fed a low- or a control zinc diet during pregnancy and up to weaning. Afterward, offspring were fed either a low- or a control zinc diet until 81 days of life...
November 7, 2016: European Journal of Nutrition
https://www.readbyqxmd.com/read/27821779/decreasing-maternal-myostatin-programs-adult-offspring-bone-strength-in-a-mouse-model-of-osteogenesis-imperfecta
#19
Arin K Oestreich, William M Kamp, Marcus G McCray, Stephanie M Carleton, Natalia Karasseva, Kristin L Lenz, Youngjae Jeong, Salah A Daghlas, Xiaomei Yao, Yong Wang, Ferris M Pfeiffer, Mark R Ellersieck, Laura C Schulz, Charlotte L Phillips
During fetal development, the uterine environment can have effects on offspring bone architecture and integrity that persist into adulthood; however, the biochemical and molecular mechanisms remain unknown. Myostatin is a negative regulator of muscle mass. Parental myostatin deficiency (Mstn(tm1Sjl/+)) increases muscle mass in wild-type offspring, suggesting an intrauterine programming effect. Here, we hypothesized that Mstn(tm1Sjl/+) dams would also confer increased bone strength. In wild-type offspring, maternal myostatin deficiency altered fetal growth and calvarial collagen content of newborn mice and conferred a lasting impact on bone geometry and biomechanical integrity of offspring at 4 mo of age, the age of peak bone mass...
November 7, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27818483/regulation-of-cardiac-transcription-factor-gata4-by-post-translational-modification-in-cardiomyocyte-hypertrophy-and-heart-failure
#20
Yasufumi Katanasaka, Hidetoshi Suzuki, Yoichi Sunagawa, Koji Hasegawa, Tatsuya Morimoto
Heart failure is a leading cause of cardiovascular mortality in industrialized countries. During development and deterioration of heart failure, cardiomyocytes undergo maladaptive hypertrophy, and changes in the cellular phenotype are accompanied by reinduction of the fetal gene program. Gene expression in cardiomyocytes is regulated by various nuclear transcription factors, co-activators, and co-repressors. The zinc finger protein GATA4 is one such transcription factor involved in the regulation of cardiomyocyte hypertrophy...
November 4, 2016: International Heart Journal
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