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https://www.readbyqxmd.com/read/28921105/association-between-air-pollution-exposure-cognitive-and-adaptive-function-and-asd-severity-among-children-with-autism-spectrum-disorder
#1
Tara Kerin, Heather Volk, Weiyan Li, Fred Lurmann, Sandrah Eckel, Rob McConnell, Irva Hertz-Picciotto
Prenatal exposure to air pollution has been associated with autism spectrum disorder (ASD) risk but no study has examined associations with ASD severity or functioning. Cognitive ability, adaptive functioning, and ASD severity were assessed in 327 children with ASD from the Childhood Autism Risks from Genetics and the Environment study using the Mullen Scales of Early Learning (MSEL), the Vineland Adaptive Behavior Scales (VABS), and the Autism Diagnostic Observation Schedule calibrated severity score. Estimates of nitrogen dioxide (NO2), particulate matter (PM2...
September 18, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28917161/maternal-ssri-exposure-increases-the-risk-of-autistic-offspring-a-meta-analysis-and-systematic-review
#2
S Andalib, M R Emamhadi, S Yousefzadeh-Chabok, S K Shakouri, P F Høilund-Carlsen, M S Vafaee, T M Michel
BACKGROUND: Selective serotonin reuptake inhibitors (SSRIs) are the most common antidepressants used to preclude maternal pregnancy depression. There is a growing body of literature assessing the association of prenatal exposure to SSRIs with autism spectrum disorder (ASD). The present systematic review and meta-analysis reviewed the medical literature and pooled the results of the association of prenatal exposure to SSRIs with ASD. METHODS: Published investigations in English by June 2016 with keywords of selective serotonin reuptake inhibitors, SSRI, autism spectrum disorder, ASD, pregnancy, childhood, children, neurodevelopment were identified using databases PubMed and PMC, MEDLINE, EMBASE, SCOPUS, and Google Scholar...
June 20, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/28910929/-cross-sectional-survey-of-autism-spectrum-disorders-in-children-aged-0-6-years-in-hainan-province
#3
L Li, X L Li, W X Wu, X F Cai, X L Fan, X H Wei, T T Sun
Objective: To understand the prevalence of autism spectrum disorders (ASD) in children aged 0-6 years old and influencing factors in Hainan province. Methods: A total of 37 862 children aged 0-6 years were selected from 18 counties in Hainan province for a screening by using questionnaire of"warning signs in child development", then field diagnosis was made, and general descriptive statistic analysis was conducted. The prevalence of ASD and related factors were analyzed with χ(2) test and unconditional logistic regression model...
September 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28901633/response-to-mortazavi-s-comment
#4
Bellieni Carlo Valerio, Giuseppe Buonocore
Mortazavi's comment (1) on our letter (2) on whether electromagnetic fields (EMF) in incubators are a risk factor for autism contains several points that need to be corrected. First, we did not base our observations just on our previous papers as Mortazavi maintains. In fact, our observations were also based on several more papers about EMF in incubators, including the paper by Calvente et al, which was published in 2017 (3). Second, it is incorrect to write that a very simple intervention, such as changing the infants' sleep position, namely the position of the head and feet, can lead to a significant drop, as big as several orders of magnitude, in the infant's brain exposure (1), because in most incubators EMF levels are similar at all points of the mattress...
September 13, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28881390/prenatal-alcohol-exposure-in-relation-to-autism-spectrum-disorder-findings-from-the-study-to-explore-early-development-seed
#5
Alison B Singer, Arthur S Aylsworth, Christina Cordero, Lisa A Croen, Carolyn DiGuiseppi, M Daniele Fallin, Amy H Herring, Stephen R Hooper, Rebecca E Pretzel, Laura A Schieve, Gayle C Windham, Julie L Daniels
BACKGROUND: Prenatal alcohol exposure can affect neurodevelopment, but few studies have examined associations with autism spectrum disorder (ASD). METHODS: We assessed the association between maternal alcohol use and ASD in the Study to Explore Early Development, a multi-site case-control study of children born between September 2003 and August 2006 in the US Regression analyses included 684 children with research clinician-confirmed ASD, 869 children with non-ASD developmental delays or disorders (DDs), and 962 controls ascertained from the general population (POP)...
September 7, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28821725/interplay-between-maternal-slc6a4-mutation-and-prenatal-stress-a-possible-mechanism-for-autistic-behavior-development
#6
Calvin P Sjaarda, Patrick Hecht, Amy J M McNaughton, Audrina Zhou, Melissa L Hudson, Matt J Will, Garth Smith, Muhammad Ayub, Ping Liang, Nansheng Chen, David Beversdorf, Xudong Liu
The low activity allele of the maternal polymorphism, 5HTTLPR, in the serotonin transporter, SLC6A4, coupled with prenatal stress is reported to increase the risk for children to develop autism spectrum disorder (ASD). Similarly, maternal Slc6a4 knock-out and prenatal stress in rodents results in offspring demonstrating ASD-like characteristics. The present study uses an integrative genomics approach to explore mechanistic changes in early brain development in mouse embryos exposed to this maternal gene-environment phenomenon...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28812501/taking-antidepressants-during-pregnancy-linked-to-autism
#7
(no author information available yet)
Children exposed to antidepressants in utero are at a slightly higher risk of autism than children of mothers with psychiatric disorders who were not treated with antidepressants, a study has found.
August 16, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28811173/prenatal-exposure-to-pyrethroid-pesticides-and-childhood-behavior-and-executive-functioning
#8
Melissa A Furlong, Dana Boyd Barr, Mary S Wolff, Stephanie M Engel
Several previous studies of pyrethroid biomarkers and behavior have reported associations between concurrent pyrethroid levels and adverse behavioral problems in children. One geospatial study reported associations between prenatal exposure to pyrethroids and autism. However, the association between prenatal pyrethroid biomarkers and childhood behavior is unknown. The Mount Sinai Children's Environmental Health Center is a prospective birth cohort with urinary pyrethroid biomarkers during pregnancy and behavioral measurements at 4, 6, and 7-9 years of age...
August 12, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28799289/prenatal-exposure-to-fever-is-associated-with-autism-spectrum-disorder-in-the-boston-birth-cohort
#9
Martha Brucato, Christine Ladd-Acosta, Mengying Li, Deanna Caruso, Xiumei Hong, Jamie Kaczaniuk, Elizabeth A Stuart, M Daniele Fallin, Xiaobin Wang
Autism spectrum disorder (ASD) is phenotypically and etiologically heterogeneous, with evidence for genetic and environmental contributions to disease risk. Research has focused on the prenatal period as a time where environmental exposures are likely to influence risk for ASD. Epidemiological studies have shown significant associations between prenatal exposure to maternal immune activation (MIA), caused by infections and fever, and ASD. However, due to differences in study design and exposure measurements no consistent patterns have emerged revealing specific times or type of MIA exposure that are most important to ASD risk...
August 11, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28781890/self-reported-pregnancy-exposures-and-placental-dna-methylation-in-the-marbles-prospective-autism-sibling-study
#10
Rebecca J Schmidt, Diane I Schroeder, Florence K Crary-Dooley, Jacqueline M Barkoski, Daniel J Tancredi, Cheryl K Walker, Sally Ozonoff, Irva Hertz-Picciotto, Janine M LaSalle
Human placenta is a fetal-derived tissue that offers a unique sample of epigenetic and environmental exposures present in utero. In the MARBLES prospective pregnancy study of high-risk younger siblings of children with autism spectrum disorder (ASD), pregnancy and environmental factors collected by maternal interviews were examined as predictors of placental DNA methylation, including partially methylated domains (PMDs), an embryonic feature of the placental methylome. DNA methylation data from MethylC-seq analysis of 47 placentas of children clinically diagnosed at 3 years with ASD or typical development using standardized assessments were examined in relation to: child's gestational age, birth-weight, and diagnosis; maternal pre-pregnancy body mass index, smoking, education, parity, height, prenatal vitamin and folate intake; home ownership; pesticides professionally applied to lawns or gardens or inside homes, pet flea/tick pouches, collars, or soaps/shampoos used in the 3 months prior to or during pregnancy...
December 2016: Environmental Epigenetics
https://www.readbyqxmd.com/read/28734011/maternal-ssri-discontinuation-use-psychiatric-disorder-and-the-risk-of-autism-in-children-a-meta-analysis-of-cohort-studies
#11
Yusuf Cem Kaplan, Elif Keskin-Arslan, Selin Acar, Kaan Sozmen
We undertook an exclusive meta-analysis of cohort studies investigating the possible link between prenatal SSRI exposure and autism spectrum disorders (ASD) in children to further investigate our previous suggestion of confounding by indication. The point estimates regarding the following cohorts were extracted and pooled: (1) Pregnant women who discontinued SSRI until 3 months before pregnancy. (2) Pregnant women who were exposed to SSRI during pregnancy. (3) Pregnant women with maternal psychiatric disorder but no exposure to SSRI during pregnancy...
July 21, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28730336/serologic-markers-of-autism-spectrum-disorder
#12
REVIEW
T V Khramova, Anna L Kaysheva, Y D Ivanov, T O Pleshakova, I Y Iourov, S G Vorsanova, Y B Yurov, A A Schetkin, A I Archakov
According to WHO data, about 67 million people worldwide are affected by autism, and this number grows by 14% annually. Among the possible causes of autism are genetic modifications, organic lesions of the central nervous system, metabolic disorders, influence of viral and bacterial infections, chemical influence to the mother's body during pregnancy, etc. The conducted research shows that research papers published until today do not name any potential protein markers that meet the requirements of the basic parameters for evaluating the efficiency of disease diagnostics, in particular high sensitivity, specificity, and accuracy...
August 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28729328/comparative-safety-of-antiepileptic-drugs-for-neurological-development-in-children-exposed-during-pregnancy-and-breast-feeding-a-systematic-review-and-network-meta-analysis
#13
Areti Angeliki Veroniki, Patricia Rios, Elise Cogo, Sharon E Straus, Yaron Finkelstein, Ryan Kealey, Emily Reynen, Charlene Soobiah, Kednapa Thavorn, Brian Hutton, Brenda R Hemmelgarn, Fatemeh Yazdi, Jennifer D'Souza, Heather MacDonald, Andrea C Tricco
OBJECTIVES: Compare the safety of antiepileptic drugs (AEDs) on neurodevelopment of infants/children exposed in utero or during breast feeding. DESIGN AND SETTING: Systematic review and Bayesian random-effects network meta-analysis (NMA). MEDLINE, EMBASE and the Cochrane Central Register of Controlled Trials were searched until 27 April 2017. Screening, data abstraction and quality appraisal were completed in duplicate by independent reviewers. PARTICIPANTS: 29 cohort studies including 5100 infants/children...
July 20, 2017: BMJ Open
https://www.readbyqxmd.com/read/28728761/predictors-of-co-occurring-neurodevelopmental-disabilities-in-children-with-autism-spectrum-disorders
#14
Lauren Head Zauche, Ashley E Darcy Mahoney, Melinda K Higgins
PURPOSE: Co-occurring neurodevelopmental disabilities (including cognitive and language delays and attention deficit hyperactivity disorder) affect over half of children with ASD and may affect later behavioral, language, and cognitive outcomes beyond the ASD diagnosis. However, no studies have examined predictors of co-occurring neurodevelopmental disabilities in children with ASD. This study investigated whether maternal sociodemographic, perinatal and neonatal factors are associated with co-occurring disabilities...
July 2017: Journal of Pediatric Nursing
https://www.readbyqxmd.com/read/28726807/when-genotype-is-not-predictive-of-phenotype-implications-for-genetic-counseling-based-on-21-594-chromosomal-microarray-analysis-examinations
#15
Idit Maya, Reuven Sharony, Shiri Yacobson, Sarit Kahana, Josepha Yeshaya, Tamar Tenne, Ifaat Agmon-Fishman, Lital Cohen-Vig, Yael Goldberg, Racheli Berger, Lina Basel-Salmon, Mordechai Shohat
PurposeTo compare the frequency of copy-number variants (CNVs) of variable penetrance in low-risk and high-risk prenatal samples and postnatal samples.MethodsTwo cohorts were categorized according to chromosomal microarray analysis (CMA) indication: group I, low-risk prenatal-women with uneventful pregnancy (control group); group II, high-risk prenatal-women whose fetuses had congenital malformations; and group III, postnatal-individuals with unexplained developmental delay/intellectual disability, autism spectrum disorders, or multiple congenital anomalies...
July 20, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28724519/antidepressants-during-pregnancy-and-autism-in-offspring-population-based-cohort-study
#16
Dheeraj Rai, Brian K Lee, Christina Dalman, Craig Newschaffer, Glyn Lewis, Cecilia Magnusson
Objectives To study the association between maternal use of antidepressants during pregnancy and autism spectrum disorder (ASD) in offspring.Design Observational prospective cohort study with regression methods, propensity score matching, sibling controls, and negative control comparison.Setting Stockholm County, Sweden.Participants 254 610 individuals aged 4-17, including 5378 with autism, living in Stockholm County in 2001-11 who were born to mothers who did not take antidepressants and did not have any psychiatric disorder, mothers who took antidepressants during pregnancy, or mothers with psychiatric disorders who did not take antidepressants during pregnancy...
July 19, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28712019/maternal-body-mass-index-before-pregnancy-as-a-risk-factor-for-adhd-and-autism-in-children
#17
Christina Hebsgaard Andersen, Per Hove Thomsen, Ellen Aagaard Nohr, Sanne Lemcke
The risk of attention-deficit/hyperactivity disorder (ADHD) and autism spectrum disorders (ASD) may be influenced by environmental factors such as maternal obesity before pregnancy. Previous studies investigating those associations have found divergent results. We aim to investigate in a large birth cohort this association further in children with ADHD, ASD and comorbid ADHD and ASD. Our study population consisted of 81,892 mother-child pairs participating in the Danish National Birth Cohort (DNBC). Information about pre-pregnancy weight and height was collected in week 16 of pregnancy; the analysis was divided into groups based on BMI...
July 15, 2017: European Child & Adolescent Psychiatry
https://www.readbyqxmd.com/read/28702506/prenatal-depression-risk-factors-developmental-effects-and-interventions-a-review
#18
Tiffany Field
This narrative review based on a literature search in PubMed and PsycInfo on the two terms prenatal and antenatal depression includes empirical studies, reviews and meta-analyses that have been published during the last 5 years on risk factors, developmental effects and interventions for prenatal depression. Risk factor studies that met criteria feature demographic measures (lower socioeconomic status, less education, non-marital status, non-employment, less social support and health locus of control, unintended pregnancy, partner violence and history of child abuse) and physiological variables (cortisol, amylase, and pro-inflammatory cytokines and intrauterine artery resistance)...
February 2017: Journal of Pregnancy and Child Health
https://www.readbyqxmd.com/read/28698032/beyond-infection-maternal-immune-activation-by-environmental-factors-microglial-development-and-relevance-for-autism-spectrum-disorders
#19
REVIEW
Staci D Bilbo, Carina L Block, Jessica L Bolton, Richa Hanamsagar, Phuong K Tran
Immune molecules such as cytokines and chemokines and the cells that produce them within the brain, notably microglia, are critical for normal brain development. This recognition has in recent years led to the working hypothesis that inflammatory events during pregnancy, e.g. in response to infection, may disrupt the normal expression of immune molecules during critical stages of neural development and thereby contribute to the risk for neurodevelopmental disorders such as autism spectrum disorder (ASD). This hypothesis has in large part been shepherded by the work of Dr...
July 8, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28659613/maternal-smoking-and-autism-spectrum-disorder-meta-analysis-with-population-smoking-metrics-as-moderators
#20
Yonwoo Jung, Angela M Lee, Sherry A McKee, Marina R Picciotto
While exposure to nicotine during developmental periods can significantly affect brain development, studies examining the association between maternal smoking and autism spectrum disorder (ASD) in offspring have produced conflicting findings, and prior meta-analyses have found no significant association. Our meta-analysis used a novel approach of investigating population-level smoking metrics as moderators. The main meta-analysis, with 22 observational studies comprising 795,632 cases and 1,829,256 control participants, used a random-effects model to find no significant association between maternal smoking during pregnancy and ASD in offspring (pooled odds ratio (OR) = 1...
June 28, 2017: Scientific Reports
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