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Autism pregnancy

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https://www.readbyqxmd.com/read/29332178/association-of-autism-with-maternal-infections-perinatal-and-other-risk-factors-a-case-control-study
#1
Dikran Richard Guisso, Fadi S Saadeh, Dahlia Saab, Joud El Deek, Sarah Chamseddine, Hadi Abou El Hassan, Ghidaa Majari, Rose-Mary Boustany
This case-control study explores the association between pregnancy/birth complications and other factors with Autism Spectrum Disorder (ASD) in Lebanese subjects aged 2-18 years. Researchers interviewed 136 ASD cases from the American University of Beirut Medical Center Special Kids Clinic, and 178 controls selected by systematic digit dialing in the Greater-Beirut area. Male gender (Adjusted Odds Ratio [95% CI]: 3.9 [2.2-7.0]); postpartum feeding difficulties (2.5 [1.2-5.4]); maternal infections/complications during pregnancy (2...
January 13, 2018: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/29325223/maternal-thyroid-hormone-insufficiency-during-pregnancy-and-risk-of-neurodevelopmental-disorders-in-offspring-a-systematic-review-and-meta-analysis
#2
William Thompson, Ginny Russell, Genevieve Baragwanath, Justin Matthews, Bijay Vaidya, Jo Thompson-Coon
BACKGROUND: In the last two decades, several studies have examined the association between maternal thyroid hormone insufficiency during pregnancy and neurodevelopmental disorders in children and shown conflicting results. AIM: This systematic review aimed to assess the evidence for an association between maternal thyroid hormone insufficiency during pregnancy and neurodevelopmental disorders in children. We also sought to assess whether levothyroxine treatment for maternal thyroid hormone insufficiency improves child neurodevelopment outcomes...
January 11, 2018: Clinical Endocrinology
https://www.readbyqxmd.com/read/29317608/epigenetics-and-cerebral-organoids-promising-directions-in-autism-spectrum-disorders
#3
REVIEW
Sheena Louise Forsberg, Mirolyuba Ilieva, Tanja Maria Michel
Autism spectrum disorders (ASD) affect 1 in 68 children in the US according to the Centers for Disease Control and Prevention (CDC). It is characterized by impairments in social interactions and communication, restrictive and repetitive patterns of behaviors, and interests. Owing to disease complexity, only a limited number of treatment options are available mainly for children that alleviate but do not cure the debilitating symptoms. Studies confirm a genetic link, but environmental factors, such as medications, toxins, and maternal infection during pregnancy, as well as birth complications also play a role...
January 10, 2018: Translational Psychiatry
https://www.readbyqxmd.com/read/29304784/ethical-aspects-of-diagnosis-and-interventions-for-children-with-fetal-alcohol-spectrum-disorder-fasd-and-their-families
#4
Gert Helgesson, Göran Bertilsson, Helena Domeij, Gunilla Fahlström, Emelie Heintz, Anders Hjern, Christina Nehlin Gordh, Viviann Nordin, Jenny Rangmar, Ann-Margret Rydell, Viveka Sundelin Wahlsten, Monica Hultcrantz
BACKGROUND: Fetal alcohol spectrum disorders (FASD) is an umbrella term covering several conditions for which alcohol consumption during pregnancy is taken to play a causal role. The benefit of individuals being identified with a condition within FASD remains controversial. The objective of the present study was to identify ethical aspects and consequences of diagnostics, interventions, and family support in relation to FASD. METHODS: Ethical aspects relating to diagnostics, interventions, and family support regarding FASD were compiled and discussed, drawing on a series of discussions with experts in the field, published literature, and medical ethicists...
January 5, 2018: BMC Medical Ethics
https://www.readbyqxmd.com/read/29299606/association-of-maternal-use-of-folic-acid-and-multivitamin-supplements-in-the-periods-before-and-during-pregnancy-with-the-risk-of-autism-spectrum-disorder-in-offspring
#5
Stephen Z Levine, Arad Kodesh, Alexander Viktorin, Lauren Smith, Rudolf Uher, Abraham Reichenberg, Sven Sandin
Importance: The association of maternal use of folic acid and multivitamin supplements before and during pregnancy with the risk of autism spectrum disorder (ASD) in offspring is unclear. Objective: To examine the associations between the use of maternal folic acid and multivitamin supplements before and during pregnancy and the risk of ASD in offspring. Design, Setting, and Participants: A case-control cohort study of 45 300 Israeli children born between January 1, 2003, and December 31, 2007, were followed up from birth to January 26, 2015, for the risk of ASD...
January 3, 2018: JAMA Psychiatry
https://www.readbyqxmd.com/read/29279889/association-of-folic-acid-supplementation-during-pregnancy-with-the-risk-of-autistic-traits-in-children-exposed-to-antiepileptic-drugs-in-utero
#6
Marte Bjørk, Bettina Riedel, Olav Spigset, Gyri Veiby, Eivind Kolstad, Anne Kjersti Daltveit, Nils Erik Gilhus
Importance: Strategies to prevent autism in children exposed to antiepileptic drugs (AEDs) during pregnancy are important. Objective: To explore whether folic acid supplementation and folate status in pregnancy are associated with reduced risk of autistic traits owing to in utero AED exposure. Design, Setting, and Participants: The population-based, prospective Norwegian Mother and Child Cohort Study approached Norwegian-speaking women attending routine ultrasonographic examinations from June 1999 through December 31, 2008 (163 844 of 277 702 women refused)...
December 26, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/29249827/schizophrenia-risk-and-urban-birth-are-associated-with-proteomic-changes-in-neonatal-dried-blood-spots
#7
Jason D Cooper, Sureyya Ozcan, Renee M Gardner, Nitin Rustogi, Susanne Wicks, Geertje F van Rees, F Markus Leweke, Christina Dalman, Håkan Karlsson, Sabine Bahn
In the present study, we tested whether there were proteomic differences in blood between schizophrenia patients after the initial onset of the disorder and controls; and whether those differences were also present at birth among neonates who later developed schizophrenia compared to those without a psychiatric admission. We used multiple reaction monitoring mass spectrometry to quantify 77 proteins (147 peptides) in serum samples from 60 first-onset drug-naive schizophrenia patients and 77 controls, and 96 proteins (152 peptides) in 892 newborn blood-spot (NBS) samples collected between 1975 and 1985...
December 18, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/29244797/association-between-maternal-hypothyroidism-and-autism-spectrum-disorders-in-the-children
#8
Darios Getahun, Steven J Jacobsen, Michael J Fassett, Deborah A Wing, Anny H Xiang, Vicki Chiu, Morgan R Peltier
OBJECTIVE: To determine if hypothyroidism is associated with ASD and how this association is influenced by race-ethnicity, sex, and timing of exposure. METHODS: A retrospective cohort study was conducted using records from 397201 children who were delivered from 1991-2011 and remained health plan members from 1993-2014. RESULTS: Children of hypothyroid women had higher ASD rates than children of women without the diagnosis (2.14 vs. 1.62/1000 person-years; and adjusted hazard ratios [adj...
December 15, 2017: Pediatric Research
https://www.readbyqxmd.com/read/29241119/bench-to-bedside-review-possible-role-of-vitamin-d-in-autism-spectrum-disorder
#9
REVIEW
Feiyong Jia, Ling Shan, Bing Wang, Honghua Li, Chunyue Miao, Zhida Xu, Ching-Po Lin, Khaled Saad
Autism spectrum disorder (ASD) is a group of dysfunctions in social interaction, communication, and behaviors. Studies have demonstrated that vitamin D deficiency during pregnancy and in individuals increased the risk of ASD. A genetic polymorphism study has pinpointed that genotype AA/A-allele of GC rs4588 in children is associated with ASD, which encodes the vitamin D binding protein. Translating the mentioned points into clinical practice, several clinical trials have demonstrated that vitamin D supplementation can improve the core symptoms in children with ASD...
December 6, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29230163/genetic-counselling-pitfall-co-occurrence-of-an-11-8-mb-xp22-duplication-and-an-xp21-2-duplication-disrupting-il1rapl1
#10
Nicolas Chatron, Lucie Thibault, James Lespinasse, Audrey Labalme, Caroline Schluth-Bolard, Marianne Till, Patrick Edery, Renaud Touraine, Vincent des Portes, Gaetan Lesca, Damien Sanlaville
We report a 3-generation family in which 2 Xp copy number variations (CNVs) co-segregate. The proband presented with syndromic intellectual disability. The CNV had been revealed by conventional karyotyping, identifying a large Xp22 duplication causing an Xp functional disomy. Family studies found that this duplication was inherited from the proband's mother and was also present in one of his sisters. This sister had conventional karyotyping performed during pregnancy with a normal result. Postnatally, her child, the proband's nephew, presented with autism spectrum disorders...
November 2017: Molecular Syndromology
https://www.readbyqxmd.com/read/29212472/autism-risk-classification-using-placental-chorionic-surface-vascular-network-features
#11
Jen-Mei Chang, Hui Zeng, Ruxu Han, Ya-Mei Chang, Ruchit Shah, Carolyn M Salafia, Craig Newschaffer, Richard K Miller, Philip Katzman, Jack Moye, Margaret Fallin, Cheryl K Walker, Lisa Croen
BACKGROUND: Autism Spectrum Disorder (ASD) is one of the fastest-growing developmental disorders in the United States. It was hypothesized that variations in the placental chorionic surface vascular network (PCSVN) structure may reflect both the overall effects of genetic and environmentally regulated variations in branching morphogenesis within the conceptus and the fetus' vital organs. This paper provides sound evidences to support the study of ASD risks with PCSVN through a combination of feature-selection and classification algorithms...
December 6, 2017: BMC Medical Informatics and Decision Making
https://www.readbyqxmd.com/read/29206191/the-metal-neurotoxins-an-important-role-in-current-human-neural-epidemics
#12
REVIEW
Keith Schofield
Many published studies have illustrated that several of the present day neurological epidemics (autism, attention deficit disorder, Alzheimer's) cannot be correlated to any single neurotoxicant. However, the present scientific examination of the numerous global blood monitoring databases for adults that include the concentrations of the neurotoxic elements, aluminum (Al), arsenic (As), lead (Pb), manganese (Mn), mercury (Hg), and selenium (Se) clearly indicate that, when considered in combination, for some, the human body may become easily over-burdened...
December 5, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29166585/brain-immunity-gut-big-links-between-pregnancy-and-autism
#13
Myka L Estes, A Kimberley McAllister
Although dysregulation of brain, immune, and gut physiology during pregnancy have each been implicated in neuropsychiatric disorders, whether and how these presumably distinct systems are linked to cause disease is unclear. Kim et al. (2017) and Shin Yim et al. (2017) identify a pathway to explain how these aspects of our physiology are deeply and inextricably connected.
November 21, 2017: Immunity
https://www.readbyqxmd.com/read/29164825/autism-spectrum-disorder-and-birth-spacing-findings-from-the-study-to-explore-early-development-seed
#14
Laura A Schieve, Lin H Tian, Carolyn Drews-Botsch, Gayle C Windham, Craig Newschaffer, Julie L Daniels, Li-Ching Lee, Lisa A Croen, M Danielle Fallin
Previous studies of autism spectrum disorder (ASD) and birth spacing had limitations; few examined phenotypic case subtypes or explored underlying mechanisms for associations and none assessed whether other (non-ASD) developmental disabilities (DDs) were associated with birth spacing. We assessed associations between inter-pregnancy interval (IPI) and both ASD and other DDs using data from the Study to Explore Early Development, a multi-site case-control study with rigorous case-finding and case-classification methods and detailed data collection on maternal reproductive history...
November 22, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/29164765/maternal-pre-pregnancy-obesity-and-child-neurodevelopmental-outcomes-a-meta-analysis
#15
REVIEW
C E Sanchez, C Barry, A Sabhlok, K Russell, A Majors, S H Kollins, B F Fuemmeler
This review examined evidence of the association between maternal pre-pregnancy overweight/obesity status and child neurodevelopmental outcomes. PubMed and PsycINFO databases were systematically searched for empirical studies published before April 2017 using keywords related to prenatal obesity and children's neurodevelopment. Of 1483 identified papers, 41 were included in the systematic review, and 32 articles representing 36 cohorts were included in the meta-analysis. Findings indicated that compared with children of normal weight mothers, children whose mothers were overweight or obese prior to pregnancy were at increased risk for compromised neurodevelopmental outcomes (overweight: OR = 1...
November 22, 2017: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29146047/maternal-immune-activation-delays-excitatory-to-inhibitory-gamma-aminobutyric-acid-switch-in-offspring
#16
Irene Corradini, Elisa Focchi, Marco Rasile, Raffaella Morini, Genni Desiato, Romana Tomasoni, Michela Lizier, Elsa Ghirardini, Riccardo Fesce, Diego Morone, Isabella Barajon, Flavia Antonucci, Davide Pozzi, Michela Matteoli
BACKGROUND: The association between maternal infection and neurodevelopmental defects in progeny is well established, although the biological mechanisms and the pathogenic trajectories involved have not been defined. METHODS: Pregnant dams were injected intraperitoneally at gestational day 9 with polyinosinic:polycytidylic acid. Neuronal development was assessed by means of electrophysiological, optical, and biochemical analyses. RESULTS: Prenatal exposure to polyinosinic:polycytidylic acid causes an imbalanced expression of the Na+-K+-2Cl- cotransporter 1 and the K+-Cl- cotransporter 2 (KCC2)...
November 14, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/29139169/sex-differences-in-the-phagocytic-and-migratory-activity-of-microglia-and-their-impairment-by-palmitic-acid
#17
Natalia Yanguas-Casás, Andrea Crespo-Castrillo, Maria L de Ceballos, Julie A Chowen, Iñigo Azcoitia, Maria Angeles Arevalo, Luis M Garcia-Segura
Sex differences in the incidence, clinical manifestation, disease course, and prognosis of neurological diseases, such as autism spectrum disorders or Alzheimer's disease, have been reported. Obesity has been postulated as a risk factor for cognitive decline and Alzheimer's disease and, during pregnancy, increases the risk of autism spectrum disorders in the offspring. Obesity is associated with increased serum and brain levels of free fatty acids, such as palmitic acid, which activate microglial cells triggering a potent inflammatory cascade...
November 15, 2017: Glia
https://www.readbyqxmd.com/read/29134693/microglia-from-offspring-of-dams-with-allergic-asthma-exhibit-epigenomic-alterations-in-genes-dysregulated-in-autism
#18
Annie Vogel Ciernia, Milo Careaga, Janine M LaSalle, Paul Ashwood
Dysregulation in immune responses during pregnancy increases the risk of a having a child with an autism spectrum disorder (ASD). Asthma is one of the most common chronic diseases among pregnant women, and symptoms often worsen during pregnancy. We recently developed a mouse model of maternal allergic asthma (MAA) that induces changes in sociability, repetitive, and perseverative behaviors in the offspring. Since epigenetic changes help a static genome adapt to the maternal environment, activation of the immune system may epigenetically alter fetal microglia, the brain's resident immune cells...
November 14, 2017: Glia
https://www.readbyqxmd.com/read/29125540/is-high-folic-acid-intake-a-risk-factor-for-autism-a-review
#19
REVIEW
Darrell Wiens, M Catherine DeSoto
Folate is required for metabolic processes and neural development. Insuring its adequate levels for pregnant women through supplementation of grain-based foods with synthetic folic acid (FA) in order to prevent neural tube defects has been an ongoing public health initiative. However, because women are advised to take multivitamins containing FA before and throughout pregnancy, the supplementation together with natural dietary folates has led to a demographic with high and rising serum levels of unmetabolized FA...
November 10, 2017: Brain Sciences
https://www.readbyqxmd.com/read/29122491/inflammation-and-autism-from-maternal-gut-to-fetal-brain
#20
Ivan Osokine, Adrian Erlebacher
Maternal immune activation (MIA) during pregnancy is associated with an increased risk of behavioral disorders in the offspring of affected mothers. Two recent studies highlight how maternal inflammation disrupts inhibitory interneuron networks and suggest that the maternal gut microbiome may be a contributing risk factor for MIA-induced behavioral abnormalities.
November 6, 2017: Trends in Molecular Medicine
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