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Folic acid and autism

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https://www.readbyqxmd.com/read/29859881/is-post-exposure-prevention-of-teratogenic-damage-possible-studies-on-diabetes-valproic-acid-alcohol-and-anti-folates-in-pregnancy-animal-studies-with-reflection-to-human
#1
REVIEW
Asher Ornoy, Gideon Koren, Joseph Yanai
We discuss the possibilities to prevent the post-exposure teratogenic effects of several teratogens: valproic acid (VPA), diabetes and alcohol. Co-administration of folic acid with VPA reduced the rate of Neural Tube Defects (NTD) and other anomalies in rodents, but apparently not in pregnant women. Antioxidants or the methyl donor S-adenosyl methionine prevented Autism Spectrum Disorder (ASD) like behavior in mice and rats. In vivo and in vitro studies demonstrated that antioxidants, arachidonic acid, myoinositol and nutritional agents may prevent diabetes-embryopathy...
May 31, 2018: Reproductive Toxicology
https://www.readbyqxmd.com/read/29773950/could-autism-be-associated-with-nutritional-status-in-the-palestinian-population-the-outcomes-of-the-palestinian-micronutrient-survey
#2
Mohammad Altamimi
Background: Autism spectrum disorder is a neurodevelopmental disorder. It is believed that the cause of autism is multifactorial, where genetic predispositions interact with environmental factors. In this context, micronutrients play a crucial role. Objective: To present evidence on current micronutrient status in Palestine and highlight its possible role in increasing problems of neurodevelopment disorders in general and autism in particular. Method: Analytical review of results...
2018: Nutrition and Metabolic Insights
https://www.readbyqxmd.com/read/29578363/high-prevalence-of-serum-folate-receptor-autoantibodies-in-children-with-autism-spectrum-disorders
#3
Jiaxiu Zhou, Aiping Liu, Fusheng He, Ya Jin, Shaoming Zhou, Ruihuan Xu, Hailiang Guo, Wenhao Zhou, Mingbang Wang, Qiufen Wei
BACKGROUND: Supplementation of folic acid by pregnant mothers is thought to lower the risk of autism spectrum disorders (ASDs) in the offspring. Folic acid is taken up by cells via receptors with high affinity for folate and reduced folic acid derivatives. However, this is blocked by the presence of folate receptor autoantibodies (FRAA). Cerebral FRAA have been detected with high frequency in children with ASDs, suggesting the existence of a link between folic acid uptake and disease etiology...
March 26, 2018: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/29562612/comprehensive-nutritional-and-dietary-intervention-for-autism-spectrum-disorder-a-randomized-controlled-12-month-trial
#4
James B Adams, Tapan Audhya, Elizabeth Geis, Eva Gehn, Valeria Fimbres, Elena L Pollard, Jessica Mitchell, Julie Ingram, Robert Hellmers, Dana Laake, Julie S Matthews, Kefeng Li, Jane C Naviaux, Robert K Naviaux, Rebecca L Adams, Devon M Coleman, David W Quig
This study involved a randomized, controlled, single-blind 12-month treatment study of a comprehensive nutritional and dietary intervention. Participants were 67 children and adults with autism spectrum disorder (ASD) ages 3-58 years from Arizona and 50 non-sibling neurotypical controls of similar age and gender. Treatment began with a special vitamin/mineral supplement, and additional treatments were added sequentially, including essential fatty acids, Epsom salt baths, carnitine, digestive enzymes, and a healthy gluten-free, casein-free, soy-free (HGCSF) diet...
March 17, 2018: Nutrients
https://www.readbyqxmd.com/read/29558816/prenatal-primary-prevention-of-mental-illness-by-micronutrient-supplements-in-pregnancy
#5
Robert Freedman, Sharon K Hunter, M Camille Hoffman
Genes, infection, malnutrition, and other factors affecting fetal brain development are a major component of risk for a child's emotional development and later mental illnesses, including schizophrenia, bipolar disorder, and autism. Prenatal interventions to ameliorate that risk have yet to be established for clinical use. A systematic review of prenatal nutrients and childhood emotional development and later mental illness was performed. Randomized trials of folic acid, phosphatidylcholine, and omega-3 fatty acid supplements assess effects of doses beyond those adequate to remedy deficiencies to promote normal fetal development despite genetic and environmental risks...
March 21, 2018: American Journal of Psychiatry
https://www.readbyqxmd.com/read/29305196/periconceptional-folate-deficiency-leads-to-autism-like-traits-in-wistar-rat-offspring
#6
Stéphanie Degroote, Darel Hunting, Larissa Takser
BACKGROUND: Folates in their role as key one carbon donors, are essential for two major pathways: the synthesis of DNA and RNA precursors and DNA methylation. A growing body of evidence from epidemiological studies indicates a possible association between nutritional and functional deficiency in folates and Autism Spectrum Disorders (ASD). However, there are no available behavioral animal studies on periconceptional one‑carbon donor deficiency during gestation and the autistic phenotype...
March 2018: Neurotoxicology and Teratology
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
#7
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...
February 1, 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
#8
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)...
February 1, 2018: JAMA Neurology
https://www.readbyqxmd.com/read/29125540/is-high-folic-acid-intake-a-risk-factor-for-autism-a-review
#9
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/29120534/joint-effects-of-prenatal-air-pollutant-exposure-and-maternal-folic-acid-supplementation-on-risk-of-autism-spectrum-disorder
#10
Amanda J Goodrich, Heather E Volk, Daniel J Tancredi, Rob McConnell, Fred W Lurmann, Robin L Hansen, Rebecca J Schmidt
Independent studies report that periconceptional folic acid (FA) may decrease the risk of autism spectrum disorder (ASD) while exposure to air pollution may increase ASD risk. We examined the joint effects of gestational FA and air pollution exposures in association with ASD. We studied 346 ASD cases and 260 typically developing controls from the CHARGE case-control study. Self-reported FA intake for each month of pregnancy was quantified. Estimates of exposure to near roadway air pollution (NRP) and criteria air pollutant measures were assigned based on maternal residential history...
January 2018: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/29026508/the-association-between-maternal-use-of-folic-acid-supplements-during-pregnancy-and-risk-of-autism-spectrum-disorders-in-children-a-meta-analysis
#11
Meiyun Wang, Kaiqin Li, Dongmei Zhao, Ling Li
Previous reviews have been conducted to evaluate the association between maternal use of folic acid supplements during pregnancy and risk of autism spectrum disorders (ASD) in children, with no definitive conclusion. We therefore conducted a more comprehensive meta-analysis to reassess the relationship between folic acid and the risk of ASD. The electronic databases PubMed, Web of Knowledge, and Wanfang Data were carefully searched to find eligible studies as recent as March 2017. A random effects model was used to combine the relative risk (RR) with 95% confidence intervals (CI)...
2017: Molecular Autism
https://www.readbyqxmd.com/read/28984369/maternal-multivitamin-intake-plasma-folate-and-vitamin-b-12-levels-and-autism-spectrum-disorder-risk-in-offspring
#12
Ramkripa Raghavan, Anne W Riley, Heather Volk, Deanna Caruso, Lynn Hironaka, Laura Sices, Xiumei Hong, Guoying Wang, Yuelong Ji, Martha Brucato, Anastacia Wahl, Tom Stivers, Colleen Pearson, Barry Zuckerman, Elizabeth A Stuart, Rebecca Landa, M Daniele Fallin, Xiaobin Wang
BACKGROUND: To examine the prospective association between multivitamin supplementation during pregnancy and biomarker measures of maternal plasma folate and vitamin B12 levels at birth and child's Autism Spectrum Disorder (ASD) risk. METHODS: This report included 1257 mother-child pairs, who were recruited at birth and prospectively followed through childhood at the Boston Medical Center. ASD was defined from diagnostic codes in electronic medical records. Maternal multivitamin supplementation was assessed via questionnaire interview; maternal plasma folate and B12 were measured from samples taken 2-3 days after birth...
January 2018: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28978695/antenatal-nutritional-supplementation-and-autism-spectrum-disorders-in-the-stockholm-youth-cohort-population-based-cohort-study
#13
Elizabeth A DeVilbiss, Cecilia Magnusson, Renee M Gardner, Dheeraj Rai, Craig J Newschaffer, Kristen Lyall, Christina Dalman, Brian K Lee
Objective To determine whether nutritional supplementation during pregnancy is associated with a reduced risk of autism spectrum disorder (ASD) with and without intellectual disability in offspring.Design Observational prospective cohort study using multivariable logistic regression, sibling controls, and propensity score matching.Setting Stockholm County, Sweden.Participants 273 107 mother-child pairs identified through population registers. The study sample was restricted to children who were aged 4 to 15 years by the end of follow-up on 31 December 2011 and were born between 1996 and 2007...
October 4, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28946926/research-letter-folic-acid-supplementation-and-intake-of-folate-in-pregnancy-in-relation-to-offspring-risk-of-autism-spectrum-disorder
#14
M Strøm, C Granström, K Lyall, A Ascherio, S F Olsen
No abstract text is available yet for this article.
April 2018: Psychological Medicine
https://www.readbyqxmd.com/read/28934093/combined-prenatal-pesticide-exposure-and-folic-acid-intake-in-relation-to-autism-spectrum-disorder
#15
Rebecca J Schmidt, Vladimir Kogan, Janie F Shelton, Lora Delwiche, Robin L Hansen, Sally Ozonoff, Claudia C Ma, Erin C McCanlies, Deborah H Bennett, Irva Hertz-Picciotto, Daniel J Tancredi, Heather E Volk
BACKGROUND: Maternal folic acid (FA) protects against developmental toxicity from certain environmental chemicals. OBJECTIVE: We examined combined exposures to maternal FA and pesticides in relation to autism spectrum disorder (ASD). METHODS: Participants were California children born from 2000-2007 who were enrolled in the Childhood Autism Risks from Genetics and the Environment (CHARGE) case-control study at age 2-5 y, were clinically confirmed to have ASD (n=296) or typical development (n=220), and had information on maternal supplemental FA and pesticide exposures...
September 8, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28331572/environmental-risk-factors-for-autism-an-evidence-based-review-of-systematic-reviews-and-meta-analyses
#16
REVIEW
Amirhossein Modabbernia, Eva Velthorst, Abraham Reichenberg
BACKGROUND: According to recent evidence, up to 40-50% of variance in autism spectrum disorder (ASD) liability might be determined by environmental factors. In the present paper, we conducted a review of systematic reviews and meta-analyses of environmental risk factors for ASD. We assessed each review for quality of evidence and provided a brief overview of putative mechanisms of environmental risk factors for ASD. FINDINGS: Current evidence suggests that several environmental factors including vaccination, maternal smoking, thimerosal exposure, and most likely assisted reproductive technologies are unrelated to risk of ASD...
2017: Molecular Autism
https://www.readbyqxmd.com/read/28167358/evaluation-of-pharmacists-knowledge-of-women-s-issues-in-epilepsy-a-cross-sectional-study-in-palestinian-pharmacy-practice
#17
Ramzi Shawahna, Ahlam Atrash, Aman Jebril, Areen Khalaf, Eman Shaheen, Hala Tahboosh
PURPOSE: Pharmacists are key players in providing healthcare for patients with chronic diseases including women with epilepsy. The purpose of this study was to assess pharmacist's knowledge of women's issues in epilepsy in the Palestinian pharmacy practice. METHOD: The study was conducted in a cross-sectional observational design using a 12-item test on women's health in epilepsy. Demographic details were collected. Scores were calculated as percentage of correct answers for each pharmacist...
March 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28127411/protein-restricted-diet-during-pregnancy-after-insemination-alters-behavioral-phenotypes-of-the-progeny
#18
Tamio Furuse, Kunio Miyake, Takashi Kohda, Hideki Kaneda, Takae Hirasawa, Ikuko Yamada, Tomoko Kushida, Misho Kashimura, Kimio Kobayashi, Fumitoshi Ishino, Takeo Kubota, Shigeharu Wakana
BACKGROUND: Epidemiological studies suggest that hyponutrition during the fetal period increases the risk of mental disorders such as attention deficit hyperactivity disorder and autism-spectrum disorder, which has been experimentally supported using animal models. However, previous experimental hyponutrition or protein-restricted (PR) diets affected stages other than the fetal stage, such as formation of the egg before insemination, milk composition during lactation, and maternal nursing behavior...
2017: Genes & Nutrition
https://www.readbyqxmd.com/read/28031963/folic-acid-supplementation-what-is-new-fetal-obstetric-long-term-benefits-and-risks
#19
REVIEW
Hind N Moussa, Susan Hosseini Nasab, Ziad A Haidar, Sean C Blackwell, Baha M Sibai
The association between folic acid supplementation, prior to conception and/or during pregnancy and pregnancy outcomes, has been the subject of numerous studies. The worldwide recommendation of folic acid is at least 0.4 mg daily for all women of reproductive age, and 4-5 mg in high-risk women. In addition, evidence shows that folic acid supplementation could modulate other adverse pregnancy outcomes, specifically, in pregnancies complicated by seizure disorders, preeclampsia, anemia, fetal growth restriction and autism...
June 2016: Future Science OA
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
#20
REVIEW
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
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