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https://www.readbyqxmd.com/read/28712054/alcohol-exposure-promotes-dna-methyltransferase-dnmt3a-upregulation-through-reactive-oxygen-species-dependent-mechanisms
#1
Federico Miozzo, Hélène Arnould, Aurélie de Thonel, Anne-Laure Schang, Délara Sabéran-Djoneidi, Anne Baudry, Benoît Schneider, Valérie Mezger
Abundant evidence has accumulated showing that fetal alcohol exposure broadly modifies DNA methylation profiles in the brain. DNA methyltransferases (DNMTs), the enzymes responsible for DNA methylation, are likely implicated in this process. However, their regulation by ethanol exposure has been poorly addressed. Here, we show that alcohol exposure modulates DNMT protein levels through multiple mechanisms. Using a neural precursor cell line and primary mouse embryonic fibroblasts (MEFs), we found that ethanol exposure augments the levels of Dnmt3a, Dnmt3b, and Dnmt3l transcripts...
July 15, 2017: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/28710248/microrna-9-regulates-fetal-alcohol-induced-changes-in-d2-receptor-to-promote-prolactin-production
#2
Omkaram Gangisetty, Shaima Jabbar, Olivia Wynne, Dk K Sarkar
Fetal alcohol exposure (FAE) is known to increase prolactin (PRL) secretion from the pituitary lactotropes. In this study we determined whether microRNAs (miRs) are involved in FAE induced alteration in PRL release. We employed a rat animal model of FAE involving feeding pregnant Fisher 344 rats with a liquid diet containing 6.7% alcohol between gestational day 7 to 21 (AF). Both cyclic and estradiol implanted FAE females showed increased levels of plasma PRL and pituitary PRL mRNA but reduced levels of pituitary dopamine D2 receptor (D2R) and its short spliced form (D2S)...
July 14, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28702207/alcohol-and-fertility-how-much-is-too-much
#3
REVIEW
Kristin Van Heertum, Brooke Rossi
Alcohol use is prevalent in the United States. Given that a substantial portion of the drinking population is of reproductive age, it is not uncommon for couples who are attempting conception, or for women who are already pregnant, to be regularly consuming alcohol. Alcohol use is associated with multiple reproductive risks, including having a child with a Fetal Alcohol Spectrum Disorder, increased risk of fetal loss, and decreased chance of live birth. This review serves to examine the risks of alcohol in the context of reproductive health...
2017: Fertility Research and Practice
https://www.readbyqxmd.com/read/28699765/fetal-alcohol-syndrome-disorder-diminished-responsibility-and-mitigation-of-sentence
#4
Russ Scott
OBJECTIVE: The objective of this study was to consider the implications of a recent Western Australia Court of Appeal decision in which an indigenous youth who had been sentenced for the manslaughter of his neonate child was later diagnosed with Fetal Alcohol Syndrome Disorder. CONCLUSION: The increased use of the 2016 Australian guide to the diagnosis of fetal alcohol spectrum disorder should be encouraged to enable clinicians to not only diagnose and manage Fetal Alcohol Syndrome Disorder, but also counsel families to prevent it...
July 1, 2017: Australasian Psychiatry: Bulletin of Royal Australian and New Zealand College of Psychiatrists
https://www.readbyqxmd.com/read/28699204/postnatal-risk-factors-for-testicular-cancer-the-epsam-case-control-study
#5
Giovenale Moirano, Daniela Zugna, Chiara Grasso, Dario Mirabelli, Patrizia Lista, Libero Ciuffreda, Nereo Segnan, Franco Merletti, Lorenzo Richiardi
Testicular cancer is considered to originate from an impaired differentiation of fetal germ cells, but puberty could represent another time window of susceptibility. This study aimed at investigating the association between environmental exposures acting during puberty/adolescence (13 to 19 years of age) and the risk of testicular cancer. We used data of the EPSAM study, a case-control study on germ-cell testicular cancer conducted in the province of Turin, Italy, involving cases diagnosed between 1997 and 2008...
July 12, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28694481/mechanisms-underlying-neuro-inflammation-and-neurodevelopmental-toxicity-in-the-mouse-neocortex-following-prenatal-exposure-to-ethanol
#6
Munekazu Komada, Nao Hara, Satoko Kawachi, Kota Kawachi, Nao Kagawa, Tetsuji Nagao, Yayoi Ikeda
Fetal alcohol spectrum disorders (FASD) constitute a wide range of disorders that arise from prenatal exposure to ethanol (EtOH). However, detailed reports regarding the adverse effects of prenatal EtOH exposure on neocortical morphology and its underlying pathogenic mechanisms are limited. In the present study, we aimed to characterize the anatomical abnormalities of neocortical development and their correlation with microglial properties and neuro-inflammation in a mouse model of FASD. We evaluated the development and maturation of the neocortex in ICR mice prenatally exposed to 25% (w/v) EtOH using histological and molecular analyses...
July 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28690436/a-rat-model-of-fetal-alcohol-syndrome-a-series-of-undergraduate-laboratory-exercises-for-biopsychology-courses
#7
Ana M H Kehrberg, Jenna N Parrish, Sasha A Eby
Many undergraduate students are aware that consuming alcohol during pregnancy can result in many serious physical and behavioral deficits. Student interest in this clinical syndrome allows instructors to provide engaging laboratory exercises that relate topics covered in most biopsychology courses to Fetal Alcohol Syndrome (FAS). Through this series of experiments, students will use rodents to study the behavioral deficits that can be caused by developmental alcohol exposure, including impaired ultrasonic vocalizations, hyperactivity, balance, and spatial learning...
2017: Journal of Undergraduate Neuroscience Education: JUNE: a Publication of FUN, Faculty for Undergraduate Neuroscience
https://www.readbyqxmd.com/read/28686845/metabolomics-and-fetal-alcohol-spectrum-disorder-a-mini-review
#8
Erin Goldberg, Michel Aliani
Fetal alcohol spectrum disorder (FASD) is a major public health issue that encompasses an array of physical, neurological and behavioral effects due to alcohol consumption during pregnancy. Classical biomarkers of FASD that are currently used lack sensitivity and specificity, and as such there is an opportunity through the use of novel metabolomics analysis to identify novel biomarkers to identify those at risk for FASD, which could more effectively aid in early intervention. The focus of this mini-review is to identify current work that has been done in the field of metabolomics in FASD in utero, and to highlight promising metabolites that could act as biomarkers in the future...
July 7, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/28686142/care-and-supportive-measures-in-school-aged-children-with-prenatal-substance-exposure
#9
Lisbeth B Sandtorv, Siren Haugland, Irene Elgen
AIMS: Prenatal exposure to substances, including alcohol, opiates, and a number of illicit drugs, may have a negative impact on fetal development. Studies have shown that substance exposure can influence a child's neurodevelopment and the need for care and supportive measures. In this study, we aimed to investigate the care status and the level of supportive measures in school-aged children prenatally exposed to alcohol and other substances. METHODS: This study included children aged between 6 and 14 years who were referred to Haukeland University Hospital in Norway with developmental impairment and a history of prenatal substance exposure...
July 1, 2017: Scandinavian Journal of Public Health
https://www.readbyqxmd.com/read/28685855/alcohol-exposure-during-pregnancy-altered-childhood-developmental-trajectories-in-a-rural-south-african-community
#10
Leigh-Anne Davies, Kate Cockcroft, Lynda Olinger, Matthew Chersich, Michael Urban, Candice M Chetty Makkan, Oliver H Turnbull, Leana Olivier, Denis Viljoen
AIM: This study examined the effects of prenatal alcohol exposure on childhood development trajectories in a rural South African community between 2003 and 2008. METHODS: We assessed 121 children at 7-12 months (year one) and 5-6 years (year five) using the Griffiths Mental Developmental Scales - Extended Revised, which measures sensorimotor, cognitive and social development, with lower scores indicating developmental delay. We also interviewed their mothers or caregivers...
July 7, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28681995/differences-in-neural-crest-sensitivity-to-ethanol-account-for-the-infrequency-of-anterior-segment-defects-in-the-eye-compared-with-craniofacial-anomalies-in-a-zebrafish-model-of-fetal-alcohol-syndrome
#11
Jessica Eason, Antionette L Williams, Bahaar Chawla, Christian Apsey, Brenda L Bohnsack
BACKGROUND: Ethanol (ETOH) exposure during pregnancy is associated with craniofacial and neurologic abnormalities, but infrequently disrupts the anterior segment of the eye. In these studies, we used zebrafish to investigate differences in the teratogenic effect of ETOH on craniofacial, periocular, and ocular neural crest. METHODS: Zebrafish eye and neural crest development was analyzed by means of live imaging, TUNEL (terminal deoxynucleotidyl transferase dUTP nick end labeling) assay, immunostaining, detection of reactive oxygen species, and in situ hybridization...
July 6, 2017: Birth defects research
https://www.readbyqxmd.com/read/28680327/different-effects-of-feeding-pregnant-and-lactating-mice-rhodiola-kirilowii-aqueous-and-hydro-alcoholic-extracts-on-their-serum-angiogenic-activity-and-content-of-selected-polyphenols
#12
Robert Zdanowski, Ewa Skopińska-Różewska, Jacek Wilczak, Anna Borecka, Aneta Lewicka, Sławomir Lewicki
Angiogenesis plays an important role in many physiological processes, among them the formation of tissues and organs during embryogenesis. A lot of medicinal plants exhibit angiomodulatory properties. This creates the need for a thorough check of whether the plant extracts that we would like to give to pregnant women in order to increase their resistance to bacterial or viral infection will have negative effects on angiogenesis, and consequently on fetal development. This paper seeks to investigate the effect of serum of pregnant and nursing Balb/c mice that received aqueous (RKW) or hydro-alcoholic (RKW-A) R...
2017: Central-European Journal of Immunology
https://www.readbyqxmd.com/read/28677866/increased-incidence-of-non-alcoholic-fatty-liver-disease-in-male-rat-offspring-exposed-to-fluoxetine-during-fetal-and-neonatal-life-involves-the-nlrp3-inflammasome-and-augmented-de-novo-hepatic-lipogenesis
#13
Nicole E De Long, Daniel B Hardy, Noelle Ma, Alison C Holloway
Up to 10% of women take selective serotonin reuptake inhibitors (SSRI) during pregnancy. Children exposed to SSRIs in utero have an increased risk of being overweight suggesting that fetal exposure to SSRIs can cause permanent metabolic changes. We have previously shown in rats that fetal and neonatal exposure to the SSRI antidepressant fluoxetine results in metabolic perturbations including increased hepatic triglyceride content; a hallmark of non-alcoholic fatty liver disease (NAFLD). Therefore, the aim of this study was to identify the mechanism(s) underlying the fluoxetine-induced increase in intrahepatic triglyceride content...
July 5, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28674490/what-the-spectrum-of-microglial-functions-can-teach-us-about-fetal-alcohol-spectrum-disorder
#14
REVIEW
Elissa L Wong, Rianne D Stowell, Ania K Majewska
Alcohol exposure during gestation can lead to severe defects in brain development and lifelong physical, behavioral and learning deficits that are classified under the umbrella term fetal alcohol spectrum disorder (FASD). Sadly, FASD is diagnosed at an alarmingly high rate, affecting 2%-5% of live births in the United States, making it the most common non-heritable cause of mental disability. Currently, no standard therapies exist that are effective at battling FASD symptoms, highlighting a pressing need to better understand the underlying mechanisms by which alcohol affects the developing brain...
2017: Frontiers in Synaptic Neuroscience
https://www.readbyqxmd.com/read/28659754/nadph-oxidase-isoform-2-nox2-is-involved-in-drug-addiction-vulnerability-in-progeny-developmentally-exposed-to-ethanol
#15
Marcela L Contreras, Erwin de la Fuente-Ortega, Sofía Vargas-Roberts, Daniela C Muñoz, Carolina A Goic, Paola A Haeger
Ethanol exposure increases oxidative stress in developing organs, including the brain. Antioxidant treatment during maternal ethanol ingestion improves behavioral deficits in rodent models of fetal alcohol spectrum disorder (FASD). However, the impact of general antioxidant treatment in their adult offspring and the Specific Reactive Species (ROS)-dependent mechanism, are not fully understood. We hypothesized that pre and early postnatal ethanol exposure (PEE) modifies redox homeostasis, in particular NOX2 function during reward signaling in the mesocorticolimbic pathway, which reinforces the effects of alcohol...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28657241/out-of-sight-out-of-mind-a-national-survey-of-paediatricians-in-ireland-regarding-fetal-alcohol-spectrum-disorders
#16
I Gill, F Sharif
Fetal Alcohol Spectrum Disorders (FASDs) are one of the major causes of preventable developmental delay. There is no register of children with FASDs in Ireland. Up to 81% of Irish women report drinking alcohol during the periconceptual period or pregnancy. We aimed to evaluate self-reported knowledge and practice of doctors working in paediatrics in Ireland with regards to FASDs and alcohol consumption during pregnancy. We circulated a survey to all paediatric doctors in Ireland, either enrolled in specialist training or registered as trainers...
March 10, 2017: Irish Medical Journal
https://www.readbyqxmd.com/read/28656313/dopamine-attenuates-ethanol-induced-neuroapoptosis-in-the-developing-rat-retina-via-the-camp-pka-pathway
#17
Junde Han, Lingqi Gao, Jing Dong, Yingtian Wang, Mazhong Zhang, Jijian Zheng
Apoptosis has been identified as the primary cause of fetal alcohol spectrum disorder (FASD), and the development of methods to prevent and treat FASD have been based on the mechanisms of alcohol-induced apoptosis. The present study aimed to explore the effects of dopamine on alcohol‑induced neuronal apoptosis using whole‑mount cultures of rat retinas (postnatal day 7). Retinas were initially incubated with ethanol (100, 200 or 500 mM), and in subsequent analyses retinas were co‑incubated with ethanol (200 mM) and dopamine (10 µM)...
August 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28650726/maternal-health-related-behaviours-during-pregnancy-a-critical-public-health-issue
#18
Aleksandra Górniaczyk, Barbara Czech-Szczapa, Maciej Sobkowski, Karolina Chmaj-Wierzchowska
AIM: The aim of the study was to investigate the health-related behaviours of pregnant women. Maternal health-related habits, use of psychoactive medicines, diet, prevention of neural tube defects, oral cavity hygiene, chronic diseases and physical activity were analysed in a group of pregnant women attending antenatal classes. METHODS: Hundred pregnant women recruited from various antenatal classes in Poznań, Poland, were investigated using a questionnaire based on the Pregnancy Risk Assessment Monitoring System...
June 26, 2017: European Journal of Contraception & Reproductive Health Care
https://www.readbyqxmd.com/read/28645698/radiological-studies-of-fetal-alcohol-spectrum-disorders-in-humans-and-animal-models-an-updated-comprehensive-review
#19
REVIEW
Van T Nguyen, Suyinn Chong, Quang M Tieng, Karine Mardon, Graham J Galloway, Nyoman D Kurniawan
Fetal Alcohol Spectrum Disorders encompass a wide range of birth defects in children born to mothers who consumed alcohol during pregnancy. Typical mental impairments in FASD include difficulties in life adaptation and learning and memory, deficits in attention, visuospatial skills, language and speech disabilities, mood disorders and motor disabilities. Multimodal imaging methods have enabled in vivo studies of the teratogenic effects of alcohol on the central nervous system, giving more insight into the FASD phenotype...
June 20, 2017: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/28645298/neurodevelopmental-profile-of-fetal-alcohol-spectrum-disorder-a-systematic-review
#20
Shannon Lange, Joanne Rovet, Jürgen Rehm, Svetlana Popova
BACKGROUND: In an effort to improve the screening and diagnosis of individuals with Fetal Alcohol Spectrum Disorder (FASD), research has focused on the identification of a unique neurodevelopmental profile characteristic of this population. The objective of this review was to identify any existing neurodevelopmental profiles of FASD and review their classification function in order to identify gaps and limitations of the current literature. METHODS: A systematic search for studies published up to the end of December 2016 reporting an identified neurodevelopmental profile of FASD was conducted using multiple electronic bibliographic databases...
June 23, 2017: BMC Psychology
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