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https://www.readbyqxmd.com/read/27893896/association-between-influenza-infection-and-vaccination-during-pregnancy-and-risk-of-autism-spectrum-disorder
#1
Ousseny Zerbo, Yinge Qian, Cathleen Yoshida, Bruce H Fireman, Nicola P Klein, Lisa A Croen
Importance: Maternal infections and fever during pregnancy are associated with increased risk for autism spectrum disorders (ASDs). To our knowledge, no study has investigated the association between influenza vaccination during pregnancy and ASD. Objective: To investigate the association between influenza infection and vaccination during pregnancy and ASD risk. Design, Setting, and Participants: This cohort study included 196 929 children born at Kaiser Permanente Northern California from January 1, 2000 to December 31, 2010, at a gestational age of at least 24 weeks...
November 28, 2016: JAMA Pediatrics
https://www.readbyqxmd.com/read/27892236/1-in-100-babies-the-fetal-alcohol-spectrum-disorder-pathway
#2
Kerry Lyons
Alcohol consumed during pregnancy is the nation's leading preventable cause of developmental disabilities and birth defects. One in 100 babies is estimated to be born with alcohol-related damage, according to the World Health Organization. Fetal alcohol spectrum disorders (FASDs) are more common than autism but are under-diagnosed.
November 23, 2016: Nursing Standard
https://www.readbyqxmd.com/read/27876552/long-term-altered-immune-responses-following-fetal-priming-in-a-non-human-primate-model-of-maternal-immune-activation
#3
Destanie R Rose, Milo Careaga, Judy Van de Water, Kim McAllister, Melissa D Bauman, Paul Ashwood
Infection during pregnancy can lead to activation of the maternal immune system and has been associated with an increased risk of having an offspring later diagnosed with a neurodevelopmental disorders (NDD) such as autism spectrum disorder (ASD) or Schizophrenia (SZ). Most maternal immune activation (MIA) studies to date have been in rodents and usually involve the use of lipopolysaccharide (LPS) or polyinosinic:polycytidylic acid (poly I:C). However, since NDD are based on behavioral changes, a model of MIA in non-human primates could potentially provide data that helps illuminate complex behavioral and immune outputs in human NDD...
November 19, 2016: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/27875541/new-perspective-on-impact-of-folic-acid-supplementation-during-pregnancy-on-neurodevelopment-autism-in-the-offspring-children-a-systematic-review
#4
Yunfei Gao, Chao Sheng, Ri-Hua Xie, Wen Sun, Elizabeth Asztalos, Diane Moddemann, Lonnie Zwaigenbaum, Mark Walker, Shi Wu Wen
It has been conclusively established that folic acid supplementation prior to and during early pregnancy (up to 12 weeks of gestation) can prevent neural tube defects (NTDs). We hypothesized that folate effects may extend from neuro-structural defects to alterations in neuro-behavioural and emotional skills including autism spectrum disorders (ASDs) and other developmental disorders. The objective of this review was to comprehensively evaluate evidence on the impact of folic acid on neurodevelopment other than NTDs...
2016: PloS One
https://www.readbyqxmd.com/read/27860117/development-of-a-core-outcome-set-for-epilepsy-in-pregnancy-e-core-a-national-multi-stakeholder-modified-delphi-consensus-study
#5
B H Al Wattar, K Tamilselvan, R Khan, A Kelso, A Sinha, A M Pirie, D McCorry, K S Khan, S Thangaratinam
OBJECTIVE: To develop a set of core outcomes for studies on pregnant women with epilepsy. DESIGN: Delphi consensus study. POPULATION: Healthcare professionals, and patient representatives with lived experience of epilepsy in the UK. METHODS: We used a modified Delphi method and a consultation meeting to achieve consensus. Potential outcomes were identified by systematic review, and were scored using a Likert scale anchored between 1 (least important) and 5 (most important)...
November 16, 2016: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/27847193/extremely-low-gestational-age-and-very-low-birthweight-for-gestational-age-are-risk-factors-for-autism-spectrum-disorder-in-a-large-cohort-study-of-10-year-old-children-born-at-23-27-weeks-gestation
#6
Robert M Joseph, Steven J Korzeniewski, Elizabeth N Allred, T Michael O'Shea, Tim Heeren, Jean A Frazier, Janice Ware, Deborah Hirtz, Alan Leviton, Karl Kuban
BACKGROUND: No prospective cohort study of high-risk children has used rigorous exposure assessment and optimal diagnostic procedures to examine the perinatal antecedents of autism spectrum disorder separately among those with and without cognitive impairment. OBJECTIVE: We sought to identify perinatal factors associated with increased risk for autism spectrum disorder with and without intellectual disability (intelligence quotient <70) in children born extremely preterm...
November 12, 2016: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27819277/the-transgenerational-inheritance-of-autism-like-phenotypes-in-mice-exposed-to-valproic-acid-during-pregnancy
#7
Chang Soon Choi, Edson Luck Gonzales, Ki Chan Kim, Sung Min Yang, Ji-Woon Kim, Darine Froy Mabunga, Jae Hoon Cheong, Seol-Heui Han, Geon Ho Bahn, Chan Young Shin
Autism spectrum disorder (ASD) is a heterogeneously pervasive developmental disorder in which various genetic and environmental factors are believed to underlie its development. Recently, epigenetics has been suggested as a novel concept for ASD aetiology with a proposition that epigenetic marks can be transgenerationally inherited. Based on this assumption of epigenetics, we investigated the transgenerational inheritance of ASD-like behaviours and their related synaptic changes in the VPA animal model of ASD...
November 7, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27751685/perinatal-issues-for-women-with-high-functioning-autism-spectrum-disorder
#8
Cath Rogers, Laurence Lepherd, Rahul Ganguly, Sebastian Jacob-Rogers
PROBLEM: Autistic Spectrum Disorder (ASD) is an increasingly commonly diagnosed disability. People with ASD commonly report challenges in social interaction and a heightened sensory perception. These challenges may be particularly difficult for women during pregnancy, birthing and beyond. BACKGROUND: Very little is known about the experiences and needs of birthing women who have ASD. There is a large body of literature about women who have autistic children, but almost nothing about women who may have this disability themselves...
October 14, 2016: Women and Birth: Journal of the Australian College of Midwives
https://www.readbyqxmd.com/read/27744125/gestational-maternal-c-reactive-protein-and-risk-of-bipolar-disorder-among-young-individuals-in-a-nationwide-birth-cohort
#9
Roshan Chudal, Andre Sourander, Heljä-Marja Surcel, Dan Sucksdorff, Susanna Hinkka-Yli-Salomäki, Alan S Brown
OBJECTIVES: C-reactive protein (CRP) is a well-established general marker of inflammation from both infectious and noninfectious exposures. Previous studies have shown that maternal CRP is associated with an increased risk of autism and schizophrenia. The aim of this study was to examine the association between early to mid-gestational serum CRP levels, prospectively assayed in maternal sera, and the risk of bipolar disorder (BPD). METHODS: This study is derived from the Finnish Prenatal Study of Bipolar Disorder (FIPS-B), based on a nested case-control study design...
October 11, 2016: Journal of Affective Disorders
https://www.readbyqxmd.com/read/27732918/evidence-for-spared-attention-to-faces-in-7-month-old-infants-after-prenatal-exposure-to-antiepileptic-drugs
#10
Mari Videman, Susanna Stjerna, Reina Roivainen, Taina Nybo, Sampsa Vanhatalo, Eija Gaily, Jukka M Leppänen
INTRODUCTION: Prenatal antiepileptic drug (AED) exposure is associated with an increased risk of cognitive impairment and autism spectrum disorders detected mainly at the age of two to six years. We examined whether the developmental aberrations associated with prenatal AED exposure could be detected already in infancy and whether effects on visual attention can be observed at this early age. MATERIAL AND METHODS: We compared a prospective cohort of infants with in utero exposure to AED (n=56) with infants without drug exposures (n=62)...
October 9, 2016: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/27725421/impact-of-maternal-stress-in-pregnancy-on-brain-function-of-the-offspring
#11
Jun Udagawa, Kodai Hino
Epidemiological studies suggest that exposure to prenatal stressors, including malnutrition, maternal immune activation (MIA), and adverse life events, is associated with increased risks of schizophrenia, autism spectrum disorder (ASD), and attention-deficit hyperactivity disorder (ADHD). However, the underlying pathophysiological mechanisms are unclear. The first trimester of pregnancy is particularly a vulnerable period. During this period, the self-renewal of neural stem cells and neurogenesis vigorously occur, and synaptic connections are partially formed in the telencephalon...
2016: Nihon Eiseigaku Zasshi. Japanese Journal of Hygiene
https://www.readbyqxmd.com/read/27697456/prenatal-infection-leads-to-asd-like-behavior-and-altered-synaptic-pruning-in-the-mouse-offspring
#12
Lourdes Fernández de Cossío, Andrea Guzmán, Suzanne van der Veldt, Giamal N Luheshi
Environmental challenges to the maternal immune system during pregnancy have been associated with an increase in the frequency of neurodevelopmental disorders such as Autism Spectrum Disorders (ASD) appearing in the offspring. Microglia, the brain's resident immune-cells, are now known to be critically involved in normal brain development, shaping connections between neurons by pruning superfluous synaptic spines. Our aim was to investigate whether maternal infection during critical stages of gestation compromises the role of microglia in sculpting neuronal circuits...
September 30, 2016: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/27687989/maternal-body-mass-index-and-risk-of-autism-spectrum-disorders-in-offspring-a-meta-analysis
#13
Ying Wang, Shiming Tang, Shunsheng Xu, Shenhong Weng, Zhongchun Liu
Controversial results of the association between maternal body mass index (BMI) and risk of autism spectrum disorder (ASD) in offspring were reported among several studies. This meta-analysis was conducted to estimate the overall association between maternal BMI and risk of ASD in offspring. PubMed, EMBASE, Web of Science, and the Cochrane Library were searched until January 2016. Cohort and case-control studies addressing the association between maternal BMI and risk of ASD in offspring were included. We used random-effect models to estimate the summary relative risks (RRs), we also performed a dose-response meta-analysis to estimate the trend from the correlated log RR estimates across levels of BMI quantitatively...
September 30, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27673421/does-prenatal-stress-alter-the-developing-connectome
#14
REVIEW
Dustin Scheinost, Rajita Sinha, Sarah N Cross, Soo Hyun Kwon, Gordon Sze, R Todd Constable, Laura R Ment
Human neurodevelopment requires the organization of neural elements into complex structural and functional networks called the connectome. Emerging data suggest that prenatal exposure to maternal stress plays a role in the wiring, or miswiring, of the developing connectome. Stress-related symptoms are common in women during pregnancy and are risk factors for neurobehavioral disorders ranging from autism spectrum disorder, attention deficit hyperactivity disorder, and addiction, to major depression and schizophrenia...
November 2, 2016: Pediatric Research
https://www.readbyqxmd.com/read/27663117/lower-maternal-serum-25-oh-d-in-first-trimester-associated-with-higher-autism-risk-in-chinese-offspring
#15
Jianzhang Chen, Kuolin Xin, Junjie Wei, Kangli Zhang, Huajun Xiao
OBJECTIVE: The aim of this study was to examine the association between maternal serum vitamin D status in first trimester and risk of ASD at age 3-7years in the offspring. METHODS: Using a case-control design, 68 children diagnosed with ASD and 68 sex and age matched typically-developing children were included. Archived maternal blood samples from the first trimester of pregnancy (11-13weeks gestational age) were identified for those participants. Maternal serum levels of 25 hydroxyvitamin D3 [25(OH) D], unmetabolized folic acid (FA), vitamin B12, homocysteine (HCY) and High Sensitivity C Reactive protein (CRP) were measured from those samples...
October 2016: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/27637201/opposite-differential-risks-for-autism-and-schizophrenia-based-on-maternal-age-paternal-age-and-parental-age-differences
#16
Sean G Byars, Jacobus J Boomsma
BACKGROUND AND OBJECTIVES: Effects of maternal and paternal age on offspring autism and schizophrenia risks have been studied for over three decades, but inconsistent risks have often been found, precluding well-informed speculation on why these age-related risks might exist. METHODOLOGY: To help clarify this situation we analysed a massive single population sample from Denmark including the full spectrum of autistic and schizophrenic disorders (eliminating between-study confounding), used up to 30 follow-up years, controlled for over 20 potentially confounding factors and interpret the ultimate causation of the observed risk patterns using generally accepted principles of parent-offspring conflict and life-history theory...
2016: Evolution, Medicine, and Public Health
https://www.readbyqxmd.com/read/27634641/prenatal-diagnosis-of-17q12-deletion-syndrome-from-fetal-hyperechogenic-kidneys-to-high-risk-for-autism
#17
Yinon Gilboa, Sharon Perlman, Naomi Pode-Shakked, Ben Pode-Shakked, Alon Shrim, Einat Azaria-Lahav, Benjamin Dekel, Hagith Yonath, Michal Berkenstadt, Reuven Achiron
OBJECTIVE: The linkage between 17q12 microdeletions, renal anomalies, and higher risk for neurodevelopmental disorders is well described in the literature. The current study presents prenatal diagnosis of normal-sized fetal hyperechogenic kidneys leading to the diagnosis of 17q12 deletion syndrome and autism spectrum disorder. METHODS: Over a period of 9 years in a single referral center, seven fetuses were diagnosed with hyperechogenic renal parenchyma and were followed up prospectively...
November 2016: Prenatal Diagnosis
https://www.readbyqxmd.com/read/27623092/kynurenine-pathway-metabolism-following-prenatal-kmo-inhibition-and-in-mecp2-mice-using-liquid-chromatography-tandem-mass-spectrometry
#18
Caroline M Forrest, Peter G E Kennedy, Jean Rodgers, R Neil Dalton, Charles Turner, L Gail Darlington, Stuart R Cobb, Trevor W Stone
To quantify the full range of tryptophan metabolites along the kynurenine pathway, a liquid chromatography - tandem mass spectrometry method was developed and used to analyse brain extracts of rodents treated with the kynurenine-3-mono-oxygenase (KMO) inhibitor Ro61-8048 during pregnancy. There were significant increases in the levels of kynurenine, kynurenic acid, anthranilic acid and 3-hydroxy-kynurenine (3-HK) in the maternal brain after 5 h but not 24 h, while the embryos exhibited high levels of kynurenine, kynurenic acid and anthranilic acid after 5 h which were maintained at 24 h post-treatment...
September 10, 2016: Neurochemistry International
https://www.readbyqxmd.com/read/27622677/behavioral-impact-of-maternal-allergic-asthma-in-two-genetically-distinct-mouse-strains
#19
Jared J Schwartzer, Milo Careaga, Morgan A Coburn, Destanie R Rose, Heather K Hughes, Paul Ashwood
Recent population-based studies of expecting mothers identified a unique profile of immune markers that are associated with an increased risk of having a child diagnosed with autism spectrum disorder (ASD). This immune profile, including increased levels of maternal and placental interleukin (IL)-4 and IL-5, is consistent with an immune response found in an allergic-asthma phenotype. Allergies and asthma reflect an imbalance in immune responses including polarization towards T-helper type 2 (TH2) responses, with both genetic susceptibility and environmental factors affecting this T-cell polarization...
September 10, 2016: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/27609410/childhood-autism-spectrum-disorders-and-exposure-to-nitrogen-dioxide-and-particulate-matter-air-pollution-a-review-and-meta-analysis
#20
Marie-Claire Flores-Pajot, Marianna Ofner, Minh T Do, Eric Lavigne, Paul J Villeneuve
BACKGROUND AND OBJECTIVE: Genetic and environmental factors have been recognized to play an important role in autism. The possibility that exposure to outdoor air pollution increases the risk of autism spectrum disorder (ASD) has been an emerging area of research. Herein, we present a systematic review, and meta-analysis of published epidemiological studies that have investigated these associations. METHODS: We undertook a comprehensive search strategy to identify studies that investigated outdoor air pollution and autism in children...
August 25, 2016: Environmental Research
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