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Neural tube defect and folic acid

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https://www.readbyqxmd.com/read/28432198/folate-dependent-methylation-of-septins-governs-ciliogenesis-during-neural-tube-closure
#1
Manami Toriyama, Michinori Toriyama, John B Wallingford, Richard H Finnell
Periconception maternal folic acid (vitamin B9) supplementation can reduce the prevalence of neural tube defects (NTDs), although just how folates benefit the developing embryo and promote closing of the neural tube and other morphologic processes during development remains unknown. Folate contributes to a 1-carbon metabolism, which is essential for purine biosynthesis and methionine recycling and affects methylation of DNA, histones, and nonhistone proteins. Herein, we used animal models and cultured mammalian cells to demonstrate that disruption of the methylation pathway mediated by folate compromises normal neural tube closure (NTC) and ciliogenesis...
April 21, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28425110/neural-tube-defects-risk-factors-and-preventive-measures
#2
REVIEW
Atsuo Kondo, Takuya Matsuo, Nobuhito Morota, Atsuya S Kondo, Ikuyo Okai, Hiromi Fukuda
For the last 25 years, it has been proven that the occurrence or recurrence of neural tube defects can be prevented with the administration of folic acid before and early pregnancy. At present, over 80 countries in the world, except Japan, have mandated the fortification of wheat flour and/or rice with folic acid, which has resulted in a significant reduction in the prevalence of neural tube defects. In 2000, the Japanese government recommended folic acid 400 µg daily for young women of childbearing age and women who are planning to conceive...
April 19, 2017: Congenital Anomalies
https://www.readbyqxmd.com/read/28415531/new-synthesis-of-poly-ortho-methoxyaniline-nanostructures-and-its-application-to-construct-modified-multi-wall-carbon-nanotube-graphite-paste-electrode-for-simultaneous-determination-of-uric-acid-and-folic-acid
#3
Hossein Rajabi, Meissam Noroozifar
Uric acid (UA) and folic acid (FA) are compounds of biomedical interest. In humans, about 70% of daily uric acid disposal occurs via the kidneys, and in 5-25% of humans, impaired renal (kidney) excretion leads to hyperuricemia. Folate is another form folic acid of which is known as, is one of the B vitamins. It is used as a supplement by women to prevent neural tube defects developing during pregnancy. Polyortho-methoxyaniline nanostructures (POMANS) was synthesized with a new two phase (organic-water) synthesis method...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28407219/multiple-micronutrient-supplementation-for-women-during-pregnancy
#4
REVIEW
Batool A Haider, Zulfiqar A Bhutta
BACKGROUND: Multiple-micronutrient (MMN) deficiencies often coexist among women of reproductive age in low- to middle-income countries. They are exacerbated in pregnancy due to the increased demands, leading to potentially adverse effects on the mother and developing fetus. Though supplementation with MMNs has been recommended earlier because of the evidence of impact on pregnancy outcomes, a consensus is yet to be reached regarding the replacement of iron and folic acid supplementation with MMNs...
April 13, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28378377/survey-on-awareness-of-folic-acid-recognition-and-intake-by-female-students
#5
REVIEW
Takuya Matsuo, Yukiko Kagohashi, Yasuko Senga, Hiromi Fukuda, Keiko Shinozaki, Kumiko Takemori, Hiroki Otani, Atsuo Kondo
To reduce the risk of neural tube defects, studies have been conducted on female students of medical services, nutritional science, and nursery education that investigated the awareness of folic acid by using questionnaires. Many investigators have suggested the need to provide detailed information about the awareness of folic acid and knowledge about folic acid intake and neural tube defect risk reduction. The dietary habits of female students showed a positive correlation with their estimated folic acid intake, suggesting that improvements in dietary habits are associated with the consumption of folic acid...
April 5, 2017: Congenital Anomalies
https://www.readbyqxmd.com/read/28377269/multivitamin-use-and-adverse-birth-outcomes-in-high-income-countries-a-systematic-review-and-meta-analysis
#6
REVIEW
Hanne T Wolf, Hanne K Hegaard, Lene D Huusom, Anja B Pinborg
BACKGROUND: In high-income countries, a healthy diet is widely accessible. However, a change toward a poor-quality diet with a low nutritional value in high-income countries has led to an inadequate vitamin intake during pregnancy. OBJECTIVE: We conducted a systematic review and meta-analysis to evaluate the association between multivitamin use among women in high-income countries and the risk of adverse birth outcomes (preterm birth [primary outcome], low birthweight, small for gestational age, stillbirth, neonatal death, perinatal mortality, and congenital anomalies without further specification)...
April 2, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28369746/safety-and-benefits-of-interventions-to-increase-folate-status-in-malaria-endemic-areas
#7
REVIEW
Hans Verhoef, Jacobien Veenemans, Martin N Mwangi, Andrew M Prentice
For decades, folic acid has routinely been given to prevent or treat anaemia in children, pregnant women and people with sickle cell disease. However, there is no conclusive evidence that folate deficiency anaemia constitutes a public health problem in any of these groups. Industrial flour fortification is recommended and implemented in many countries to combat neural tube defects. Dietary folates or folic acid can antagonise the action of antifolate drugs that play a critical role in the prevention and treatment of malaria...
March 29, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28266124/proposal-for-supplemental-intake-of-folic-acid-to-reduce-the-risk-of-neural-tube-defects
#8
(no author information available yet)
No abstract text is available yet for this article.
March 2017: Congenital Anomalies
https://www.readbyqxmd.com/read/28261784/fatal-folic-acid-toxicity-in-humans
#9
Gerard Pradeep Devnath, Senthil Kumaran, R Rajiv, Kusa Kumar Shaha, Ashok Nagaraj
Folic acid is B-9 vitamin. Folic acid is prescribed commonly for pregnant women to prevent neural tube defects in the fetus, patients under chemotherapy, pernicious anemia and to reduce the risk of stroke and cardiovascular disease. Acute or chronic ingestion of a large dose of folic acid generally manifests as neurological complications, which are reversible. In this present case, a 23-year-old pregnant woman committed suicide by consuming folic acid tablets and succumbed to death within 36 h. Postmortem toxicological analysis detected folic acid in viscera...
March 6, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28243254/myoinositol-the-bridge-ponti-to-reach-a-healthy-pregnancy
#10
REVIEW
Pietro Cavalli, Elena Ronda
The use of folic acid in the periconceptional period can prevent about 70% of neural tube defects (NTDs). In the remaining cases, no medical prevention is available, and those conditions should be defined as folate-resistant NTDs. Rodent models suggest that some folate-resistant NTDs can be prevented by inositol (myoinositol and chiroinositol) supplementation prior to pregnancy. Should folic acid be combined with myoinositol periconceptional supplementation to reduce the overall risk of NTDs even in humans? Hereafter, we discuss the results from the PONTI study that strongly support both the effectiveness and safety of myoinositol periconceptional supplementation in preventing human NTDs...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/28230798/a%C3%A2-village-based%C3%A2-intervention-%C3%A2-promoting%C3%A2-folic%C3%A2-acid%C3%A2-use%C3%A2-among%C3%A2-rural%C3%A2-chinese%C3%A2-women
#11
Qian Lin, Lina Yang, Fang Li, Hong Qin, Mingzhi Li, Jihua Chen, Jing Deng, Xiangying Hu
BACKGROUND: Folic acid supplementation is effective in reducing the risk of neural tube defects (NTDs). However, the use of folic acid is low among rural women in China. Nutrition education can provide information about folic acid and encourage its use. The primary objective of this study was to test the effectiveness of a village-based nutrition intervention on folic acid use among rural women. METHODS: Sixty villages were randomly selected using multiple-stage sampling and were divided into control and intervention groups...
February 21, 2017: Nutrients
https://www.readbyqxmd.com/read/28208798/maternal%C3%A2-folic%C3%A2-acid%C3%A2-supplementation%C3%A2-during%C3%A2-pregnancy%C3%A2-and%C3%A2-childhood%C3%A2-allergic%C3%A2-disease%C3%A2-outcomes-%C3%A2-a%C3%A2-question%C3%A2-of%C3%A2-timing
#12
REVIEW
Catrina L McStay, Susan L Prescott, Carol Bower, Debra J Palmer
Since the early 1990s, maternal folic acid supplementation has been recommended prior  to and during the first trimester of pregnancy, to reduce the risk of infant neural tube defects. In  addition, many countries have also implemented the folic acid fortification of staple foods, in order  to promote sufficient intakes amongst women of a childbearing age, based on concerns surrounding  variable dietary and supplementation practices. As many women continue to take folic acid  supplements beyond the recommended first trimester, there has been an overall increase in folate  intakes, particularly in countries with mandatory fortification...
February 9, 2017: Nutrients
https://www.readbyqxmd.com/read/28152548/high-folic-acid-diet-enhances-tumour-growth-in-pymt-induced-breast-cancer
#13
Mariann Fagernæs Hansen, Sarah Østrup Jensen, Ernst-Martin Füchtbauer, Pia M Martensen
BACKGROUND: The B-vitamin folate is among the most studied bioactive food compound, and a dietary intake meeting the daily requirements has been found to reduce the risk of cancer and cardiovascular diseases as well as preventing neural tube defects during fetal development. Several countries have therefore introduced dietary fortification with folic acid. However, clinical and animal studies suggest that folic acid has a dual role in cancer development. METHODS: During the period of initial tumour progression, MMTV-PyMT (MMTV-polyoma virus middle T) transgenic mice were fed with normal diet and high folic acid diet...
March 14, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28135302/knowledge-of-health-professionals-on-folic-acid-use-and-their-prescribing-practice-in-bahir-dar-city-administration-northwest-ethiopia-cross-sectional-study
#14
Yeshalem Mulugeta Demilew, Azezu Asres Nigussie
BACKGROUND: Taking folic acid supplement during periconception period is effective to prevent neural tube defects. Unfortunately, a minority of Ethiopian women took folic acid supplement during this period. Low consumption of folic acid might be correlated with knowledge and prescribing practice of health professionals. Therefore, this study was conducted to assess knowledge and prescribing practice of health professionals. METHODS: Institution based cross-sectional quantitative study supplemented by qualitative approach using thematic content analysis of in-depth interview was conducted...
2017: PloS One
https://www.readbyqxmd.com/read/28097362/folic-acid-supplementation-for-the-prevention-of-neural-tube-defects-us-preventive-services-task-force-recommendation-statement
#15
Kirsten Bibbins-Domingo, David C Grossman, Susan J Curry, Karina W Davidson, John W Epling, Francisco A R García, Alex R Kemper, Alex H Krist, Ann E Kurth, C Seth Landefeld, Carol M Mangione, William R Phillips, Maureen G Phipps, Michael P Pignone, Michael Silverstein, Chien-Wen Tseng
Importance: Neural tube defects are among the most common major congenital anomalies in the United States and may lead to a range of disabilities or death. Daily folic acid supplementation in the periconceptional period can prevent neural tube defects. However, most women do not receive the recommended daily intake of folate from diet alone. Objective: To update the 2009 US Preventive Services Task Force (USPSTF) recommendation on folic acid supplementation in women of childbearing age...
January 10, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28097361/folic-acid-supplementation-for-the-prevention-of-neural-tube-defects-an-updated-evidence-report-and-systematic-review-for-the-us-preventive-services-task-force
#16
REVIEW
Meera Viswanathan, Katherine A Treiman, Julia Kish-Doto, Jennifer C Middleton, Emmanuel J L Coker-Schwimmer, Wanda K Nicholson
Importance: Neural tube defects are among the most common congenital anomalies in the United States. Periconceptional folic acid supplementation is a primary care-relevant preventive intervention. Objective: To review the evidence on folic acid supplementation for preventing neural tube defects to inform the US Preventive Services Task Force for an updated Recommendation Statement. Data Sources: MEDLINE, Cochrane Library, EMBASE, and trial registries through January 28, 2016, with ongoing surveillance through November 11, 2016; references; experts...
January 10, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28097357/folic-acid-supplementation-for-prevention-of-neural-tube-defects
#17
Jill Jin
No abstract text is available yet for this article.
January 10, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28097323/folic-acid-for-the-prevention-of-neural-tube-defects-the-us-preventive-services-task-force-statement-on-folic-acid-supplementation-in-the-era-of-mandatory-folic-acid-fortification
#18
https://www.readbyqxmd.com/read/28067585/folic-acid-education-for-hispanic-women-the-promotora-de-salud-model
#19
Alina L Flores, Jennifer Isenburg, Christina L Hillard, Leslie deRosset, Lisa Colen, Troy Bush, Cara T Mai
BACKGROUND: Although rates of neural tube defects (NTDs) have declined in the United States since fortification, disparities still exist with Hispanic women having the highest risk of giving birth to a baby with a NTD. The Promotora de Salud model using community lay health workers has been shown to be an effective tool for reaching Hispanics for a variety of health topics; however, literature on its effectiveness in folic acid interventions is limited. MATERIALS AND METHODS: An intervention using the Promotora de Salud model was implemented in four U...
February 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28063572/suppl%C3%A3-mentation-pr%C3%A3-conceptionnelle-en-acide-folique-multivitamines-pour-la-pr%C3%A3-vention-primaire-et-secondaire-des-anomalies-du-tube-neural-et-d-autres-anomalies-cong%C3%A3-nitales-sensibles-%C3%A3-l-acide-folique
#20
R Douglas Wilson
OBJECTIF: Offrir des renseignements à jour sur l'utilisation pré et postconceptionnelle d'acide folique par voie orale, avec ou sans supplément de multivitamines / micronutriments, aux fins de la prévention des anomalies du tube neural et d'autres anomalies congénitales. Ces renseignements aideront les médecins, les sages-femmes, les infirmières et les autres professionnels de la santé à contribuer aux efforts de sensibilisation des femmes quant à l'utilisation et aux posologies adéquates de la supplémentation en acide folique / multivitamines, avant et pendant la grossesse...
December 2016: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
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