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https://www.readbyqxmd.com/read/28214871/restraint-stress-during-pregnancy-rapidly-raises-kynurenic-acid-levels-in-mouse-placenta-and-fetal-brain
#1
Francesca M Notarangelo, Robert Schwarcz
Stressful events during pregnancy adversely affect brain development and may increase the risk of psychiatric disorders later in life. Early changes in the kynurenine (KYN) pathway (KP) of tryptophan (TRP) degradation, which contains several neuroactive metabolites, including kynurenic acid (KYNA), 3-hydroxykynurenine (3-HK), and quinolinic acid (QUIN), may constitute a molecular link between prenatal stress and delayed pathological consequences. To begin testing this hypothesis experimentally, we examined the effects of a 2-h restraint stress on KP metabolism in pregnant FVB/N mice on gestational day 17...
February 18, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28212724/mechanistic-insight-into-neurotoxicity-induced-by-developmental-insults
#2
REVIEW
Christoffer Tamm, Sandra Ceccatelli
Epidemiological and/or experimental studies have shown that unfavorable prenatal environmental factors, such as stress or exposure to certain neurotoxic environmental contaminants, may have adverse consequences for neurodevelopment. Alterations in neurogenesis can have harmful effects not only for the developing nervous system, but also for the adult brain where neurogenesis is believed to play a role in learning, memory, and even in depression. Many recent advances in the understanding of the complex process of nervous system development can be integrated into the field of neurotoxicology...
January 15, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28202385/long-term-consequences-of-disrupting-adenosine-signaling-during-embryonic-development
#3
REVIEW
Scott A Rivkees, Christopher C Wendler
There is growing evidence that disruption in the prenatal environment can have long-lasting effects on an individual's health in adulthood. Research on the fetal programming of adult diseases, including cardiovascular disease, focuses on epi-mutations, which alter the normal pattern of epigenetic factors such as DNA methylation, miRNA expression, or chromatin modification, rather than traditional genetic alteration. Thus, understanding how in utero chemical exposures alter epigenetics and lead to adult disease is of considerable public health concern...
February 12, 2017: Molecular Aspects of Medicine
https://www.readbyqxmd.com/read/28198797/erratum-risk-of-prenatal-depression-and-stress-treatment-alteration-on-serotonin-system-of-offspring-through-exposure-to-fluoxetine
#4
Siran Pei, Li Liu, Zhaomin Zhong, Han Wang, Shuo Lin, Jing Shang
No abstract text is available yet for this article.
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28196555/dohad-at-the-intersection-of-maternal-immune-activation-and-maternal-metabolic-stress-a-scoping-review
#5
J A Goldstein, S A Norris, D M Aronoff
The prenatal environment is now recognized as a key driver of non-communicable disease risk later in life. Within the developmental origins of health and disease (DOHaD) paradigm, studies are increasingly identifying links between maternal morbidity during pregnancy and disease later in life for offspring. Nutrient restriction, metabolic disorders during gestation, such as diabetes or obesity, and maternal immune activation provoked by infection have been linked to adverse health outcomes for offspring later in life...
February 15, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28193189/assessment-of-dha-on-reducing-early-preterm-birth-the-adore-randomized-controlled-trial-protocol
#6
Susan E Carlson, Byron J Gajewski, Christina J Valentine, Lynette K Rogers, Carl P Weiner, Emily A DeFranco, Catalin S Buhimschi
BACKGROUND: Preterm birth contributes to 0.5 million deliveries in the United States (one of eight pregnancies) and poses a huge burden on public health with costs in the billions. Of particular concern is that the rate of earliest preterm birth (<34 weeks) (ePTB), which has decreased little since 1990 and has the greatest impact on the overall infant mortality, resulting in the greatest cost to society. Docosahexaenoic acid (DHA) supplementation provides a potential high yield, low risk strategy to reduce early preterm delivery in the US by up to 75%...
February 13, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28192175/increased-anxiety-like-phenotype-in-female-guinea-pigs-following-reduced-neurosteroid-exposure-in-utero
#7
Angela L Cumberland, Hannah K Palliser, Gabrielle K Crombie, David W Walker, Jonathan J Hirst
Neurosteroids are essential for aiding proper fetal neurodevelopment. Pregnancy compromises such as preterm birth, prenatal stress and intrauterine growth restriction are associated with an increased risk of developing behavioural and mood disorders, particularly during adolescence. These pathologies involve the premature loss or alteration of trophic steroid hormones reaching the fetus leading to impaired neurodevelopment. While the specific programming mechanisms are yet to be fully elucidated, in adult life, dysfunctions of allopregnanolone action are prevalent in individuals with depression, post-traumatic stress disorder and anxiety disorders...
February 9, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28187401/a-preliminary-study-to-assess-the-impact-of-maternal-age-on-stress-related-variables-in-healthy-nulliparous-women
#8
Ana García-Blanco, Alberto Monferrer, Jorge Grimaldos, David Hervás, Vicent Balanzá-Martínez, Vicente Diago, Máximo Vento, Consuelo Cháfer-Pericás
PURPOSE: Childbearing age has progressively increased in industrialized countries. The impact of this delay on motherhood, however, requires further research. METHODS: The study sample included a prospective cohort of healthy nulliparous pregnant women aged between 18 and 40 years (n=148) assessed at 38 weeks gestation (Time#1, T1), 48h after birth (Time#2, T2), and 3 months after birth (Time#3, T3). The effect of age on psychological, biological, and social variables was evaluated...
January 24, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28179817/the-placenta-and-neurodevelopment-sex-differences-in-prenatal-vulnerability
#9
Tracy L Bale
Prenatal insults, such as maternal stress, are associated with an increased neurodevelopmental disease risk and impact males significantly more than females, including increased rates of autism, mental retardation, stuttering, dyslexia, and attention deficit/hyperactivity disorder (ADHD). Sex differences in the placenta, which begin with sex chromosomes, are likely to produce sex-specific transplacental signals to the developing brain. Our studies and others have identified X-linked genes that are expressed at higher levels in the female placenta...
December 2016: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/28179814/prenatal-stress-immune-programming-of-sex-differences-in-comorbidity-of-depression-and-obesity-metabolic-syndrome
#10
Jill M Goldstein, Laura Holsen, Grace Huang, Bradley D Hammond, Tamarra James-Todd, Sara Cherkerzian, Taben M Hale, Robert J Handa
Major depressive disorder (MDD) is the number one cause of disability worldwide and is comorbid with many chronic diseases, including obesity/metabolic syndrome (MetS). Women have twice as much risk for MDD and comorbidity with obesity/MetS as men, although pathways for understanding this association remain unclear. On the basis of clinical and preclinical studies, we argue that prenatal maternal stress (ie, excess glucocorticoid expression and associated immune responses) that occurs during the sexual differentiation of the fetal brain has sex-dependent effects on brain development within highly sexually dimorphic regions that regulate mood, stress, metabolic function, the autonomic nervous system, and the vasculature...
December 2016: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/28178944/two-case-reports-of-unexpected-tracheal-agenesis-in-the-neonate-3-c-s-beyond-algorithms-for-difficult-airway-management
#11
Beate Grass, Leopold Simma, Michael Reinehr, Urs Zimmermann, Claudine Gysin, Georg Henze, Vincenzo Cannizzaro
BACKGROUND: Handling neonates with postnatal respiratory failure due to congenital airway malformations implies knowledge about emergency management of unexpected difficult airway. In these stressful situations both technical and communication skills of the caretakers are essential. CASE PRESENTATION: Two cases with prenatally unknown tracheal agenesis are reported. CONCLUSION: In the presented cases, airway malformation and subsequent difficulties upon endotracheal intubation were not adequately communicated between caretakers...
February 8, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28178022/the-impact-of-essential-fatty-acid-b-vitamins-vitamin-c-magnesium-and-zinc-supplementation-on-stress-levels-in-women-a-systematic-review
#12
Delia McCabe, Karolina Lisy, Craig Lockwood, Marc Colbeck
BACKGROUND: Women juggling multiple roles in our complex society are increasingly experiencing psychological stress. Dietary supplementation to manage stress is widespread despite limited supporting evidence. A systematic review of the available literature was undertaken to investigate the efficacy of specific dietary supplements in managing female stress and anxiety. OBJECTIVES: To identify the impact of essential fatty acids (EFAs), B vitamins, vitamin C, magnesium and/or zinc, consumed as dietary supplements to the daily diet, on female stress and anxiety levels...
February 2017: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/28177387/evaluation-of-the-influence-of-prenatal-transportation-stress-on-gnrh-stimulated-luteinizing-hormone-and-testosterone-secretion-in-sexually-mature-brahman-bulls
#13
B P Littlejohn, M C Roberts, M N Bedenbaugh, A W Lewis, D A Neuendorff, D G Riley, J A Carroll, R C Vann, M Amstalden, R D Randel, T H Welsh
This study examined the relationship of prenatal transportation stress (PNS) with exogenous GnRH-induced LH and testosterone secretion in sexually mature Brahman bulls. Brahman cows (n = 96; 48 were stressed by transportation at 5 stages of gestation and 48 were controls) produced a calf crop of 85 calves. All bulls (n = 46) from this calf crop were electroejaculated every 2 wk beginning at a scrotal circumference of 24 cm until sexual maturity (SM; i.e., 500 million sperm/ejaculate). The initial 11 control and 12 PNS bulls to reach SM were selected for the experiment...
January 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28169158/maternal-singing-of-lullabies-during-pregnancy-and-after-birth-effects-on-mother-infant-bonding-and-on-newborns-behaviour-concurrent-cohort-study
#14
Giuseppina Persico, Laura Antolini, Patrizia Vergani, Walter Costantini, Maria Teresa Nardi, Lidia Bellotti
BACKGROUND: Mother-infant bonding is of great importance for the development and the well-being of the baby. The aim of this Concurrent Cohort Study was to investigate the effects of mothers singing lullabies on bonding, newborns' behaviour and maternal stress. METHODS: Eighty-three (singing cohort) and 85 (concurrent cohort) women were recruited at antenatal classes at 24 weeks g.a. and followed up to 3 months after birth. The Prenatal Attachment Inventory (PAI) and the Mother-to-Infant Bonding Scale (MIBS) were used to assess maternal-foetal attachment and postnatal bonding...
February 3, 2017: Women and Birth: Journal of the Australian College of Midwives
https://www.readbyqxmd.com/read/28168801/maternal-stress-during-pregnancy-and-neurodevelopmental-outcomes-of-children-during-the-first-two-years-of-life
#15
Kinga Polanska, Anna Krol, Dorota Merecz-Kot, Joanna Jurewicz, Teresa Makowiec-Dabrowska, Flavia Chiarotti, Gemma Calamandrei, Wojciech Hanke
AIM: A growing body of literature documents associations between maternal stress in pregnancy and child development, but findings across studies are often inconsistent. The aim of this study was to estimate the association between exposure to different kinds of prenatal stress and child psychomotor development. METHODS: The study population consisted of 372 mother-child pairs from Polish Mother and Child Cohort. The analysis was restricted to the women who worked at least 1 month during pregnancy period...
February 6, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28167147/alteration-of-neurotrophin-and-cytokine-expression-in-lymphocytes-as-novel-peripheral-markers-of-spatial-memory-deficits-induced-by-prenatal-stress
#16
C G Pascuan, M E Di Rosso, J E Pivoz-Avedikian, M R Wald, M A Zorrilla Zubilete, A M Genaro
Much evidence has suggested that early life adversity can have a lasting effect on behavior. The aim of this study was to explore the impact of prenatal exposure to stress on cognition in adult life and how it impacts chronic stress situations. In addition, we investigated the participation of glucocorticoids, neurotrophins and cytokines in prenatal stress effects. For this purpose, pregnant mice were placed in a cylindrical restraint tube for 2h daily during the last week of pregnancy. Control pregnant females were left undisturbed during their entire pregnancy period...
February 4, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28163169/does-maoa-increase-susceptibility-to-prenatal-stress-in-young-children
#17
Suena H Massey, Amalia E Hatcher, Caron A C Clark, James L Burns, Daniel S Pine, Andrew D Skol, Daniel K Mroczek, Kimberly A Espy, David Goldman, Edwin Cook, Lauren S Wakschlag
BACKGROUND: We previously demonstrated a gene-by-prenatal-environment interaction whereby the monoamine oxidase A gene (MAOA) modified the impact of prenatal tobacco exposure (PTE) on adolescent disruptive behavior (DB), with the MAOA risk genotype varying by sex. We extend this work by examining whether this mechanism is evident with another common adversity, prenatal stress exposure (PSE), and whether sex differences are present earlier in development in closer proximity to exposure...
February 3, 2017: Neurotoxicology and Teratology
https://www.readbyqxmd.com/read/28162120/childhood-body-mass-index-at-5-5-years-mediates-the-effect-of-prenatal-maternal-stress-on-daughters-age-at-menarche-project-ice-storm-erratum
#18
A Duchesne, A Liu, S L Jones, D P Laplante, S King
No abstract text is available yet for this article.
February 6, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28159619/prenatal-maternal-stress-in-relation-to-the-effects-of-prenatal-lead-exposure-on-toddler-cognitive-development
#19
Leilei Zhou, Jian Xu, Jinsong Zhang, Chonghuai Yan, Yanfen Lin, Yinan Jia, Wenjing Hu
OBJECTIVE: To evaluate the effects of maternal lead exposure during pregnancy on toddler cognitive development and the potential effect modification by maternal stress. METHODS: We conducted a prospective birth-cohort study in Shanghai from 2010 to 2012 and investigated 225 mother-infant pairs. The mothers were recruited in mid-to-late pregnancy and children were followed up until 24-36 months old. A self-administered Symptom Checklist-90-Revised Scale (SCL-90-R) was used to assess maternal emotional stress during pregnancy...
January 31, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28148230/specialist-antenatal-clinics-for-women-at-high-risk-of-preterm-birth-a-systematic-review-of-qualitative-and-quantitative-research
#20
Reem Malouf, Maggie Redshaw
BACKGROUND: Preterm birth (PTB) is the leading cause of perinatal morbidity and mortality. Women with previous prenatal loss are at higher risk of preterm birth. A specialist antenatal clinic is considered as one approach to improve maternity and pregnancy outcomes. METHODS: A systematic review of quantitative, qualitative and mixed method studies conducted on women at high risk of preterm birth (PTB). The review primary outcomes were to report on the specialist antenatal clinics effect in preventing or reducing preterm birth, perinatal mortality and morbidity and women's perceptions and experiences of a specialist clinic whether compared or not compared with standard antenatal care...
February 2, 2017: BMC Pregnancy and Childbirth
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