References
Asher, M.I., Keil, U., Anderson, H.R., Beasley, R., Crane, J., Martinez, F., et al., 1995. International study of asthma and allergies in childhood (Isaac) - rationale and methods. Eur Respir J. 8(3), 483-491.
Acevedo, N,., Reinius, L.E., Greco, D., Gref, A., Orsmark-Pietras, C., Persson, H., Pershagen, G., Hedlin, G., Melen, E., Scheynius, A., Kere, J., Soderhall, C., 2015. ’Risk of childhood asthma is associated with CpG-site polymorphisms, regional DNA methylation and mRNA levels at the GSDMB/ORMDL3 locus’, Human Mol Gen , 24, 875-890.
Bouzigon, E., Corda, E., Aschard, H., Dizier, M.H., Boland, A., Bousquet, J., et al., 2008. Effect of 17q21 variants and smoking exposure in early-onset asthma. New Engl J Med. 359(19), 1985-1994.
Breslow, D.K., Collins, S.R., Bodenmiller, B., Aebersold, R., Simons, K., Shevchenko, A., et al., 2010. Orm family proteins mediate sphingolipid homeostasis. Nature. 463(7284), 1048-U65.
Brown, S.B., Reeves, K.W., Bertone-Johnson, E.R., 2014. Maternal folate exposure in pregnancy and childhood asthma and allergy: a systematic review. Nutr Rev. 72(1), 55-64.
Bollati, V., Baccarelli, A., Hou, L., Bonzini, M., Fustinoni, S., Cavallo, D., Byun, H.M., Jiang, J., Marinelli, B., Pesatori, A.C., Bertazzi, P.A., Yang, A.S., 2007. ’Changes in DNA methylation patterns in subjects exposed to low-dose benzene’. Cancer Res . 67, 876-880.
Goudarzi, H., Konno, S., Kimura, H., Araki, A., Miyashita, C., Itoh, S., Ait Bamai, Y., Kimura, H., Shimizu, K., Suzuki, M., Ito, Y.M., Nishimura, M., Kishi, R., 2018. ’Contrasting associations of maternal smoking and pre-pregnancy BMI with wheeze and eczema in children’.Sci Total Environ. 639, 1601-1609.
Jwa, S.C., Ogawa, K., Kobayashi, M., Morisaki, N., Sago, H., Fujiwara, T., 2016. Validation of a food-frequency questionnaire for assessing vitamin intake of Japanese women in early and late pregnancy with and without nausea and vomiting. J Nutr Sci. 5.
Kim, J.H., Jeong, K.S., Ha, E.H., Park, H., Ha, M., Hong, Y.C., Bhang, S.Y., Lee, S.J., Lee, K.Y., Lee, S.H., Kim, Y., Kim, M.H., Chang, N., 2015. ’Relationship between prenatal and postnatal exposures to folate and risks of allergic and respiratory diseases in early childhood’.Pediatr Pulmonol. 50, 155-163.
Kishi, R., Kobayashi, S., Ikeno, T., Araki, A., Miyashita, C., Itoh, S., Sasaki, S., Okada, E., Kobayashi, S., Kashino, I., Itoh, K., Nakajima, S. Environment Members of the Hokkaido Study on, and Health Children’s. 2013. ’Ten years of progress in the Hokkaido birth cohort study on environment and children’s health: cohort profile–updated 2013’.Environ Health Prev Med . 18, 429-450.
Kishi, R., Araki, A., Minatoya, M., Hanaoka, T., Miyashita, C., Itoh, S., et al., 2017. The Hokkaido birth cohort study on environment and children’s health: cohort profile-updated 2017. Environ Health Prev Med. 22(1).
Magdelijns, F.J., Mommers, M., Penders, J., Smits, L., Thijs, C., 2011. Folic acid use in pregnancy and the development of atopy, asthma, and lung function in childhood. Pediatrics. 128(1), e135-e144.
Mallol, J., Crane, J., von Mutius, E., Odhiambo, J., Keil, U., Stewart, A., et al., 2013. The International Study of Asthma and Allergies in Childhood (ISAAC) Phase Three: A global synthesis. Allergol Immunopathol (Madr). 41(2), 73-85.
Montrose, L., Ward, T.J., Semmens, E.O., Cho, Y.H., Brown, B., Noonan, C.W., 2017. ’Dietary intake is associated with respiratory health outcomes and DNA methylation in children with asthma’. Allergy Asthma Clin Immunol. 13, 12.
Murphy, S.K., Adigun, A., Huang, Z., Overcash, F., Wang, F., Jirtle, R.L., Schildkraut, J.M., Murtha, A.P., Iversen, E.S., Hoyo, C., 2012. ’Gender-specific methylation differences in relation to prenatal exposure to cigarette smoke’. Gene . 494, 36-43.
Parr, C.L., Magnus, M.C., Karlstad, O., Haugen, M., Refsum, H., Ueland, P.M., McCann, A., Nafstad, P., Haberg, S.E., Nystad, W., London, S.J., 2017. Maternal folate intake during pregnancy and childhood asthma in a population-based cohort. Am J Respir Crit Care Med . 195, 221-228.
Rosas-Salazar, C., Hartert, T.V., 2017. ’Prenatal exposures and the development of childhood wheezing illnesses’. Curr Opin Allergy Clinical Immunol. 17, 110-115.
Roy, A., Kocak, M., Hartman, T.J., Vereen, S., Adgent, M., Piyathilake, C., Tylavsky, F.A., Carroll, K.N., 2018. Association of prenatal folate status with early childhood wheeze and atopic dermatitis. Pediatr Allerg Immunol. 29, 144-150.
Sasaki, S., Braimoh, T.S., Yila, T.A., Yoshioka, E., Kishi, R., 2011. Self-reported tobacco smoke exposure and plasma cotinine levels during pregnancy–a validation study in Northern Japan. Sci Total Environ . 412-413, 114-118.
Sauberlich, H.E., 1999. Folate (FA, pteroylmonoglutamic acid, folacin). In: Laboratory Tests for the Assessment of Nutritional Status, 2nd ed., pp. 103–134 [I Wolinsky, editor]. Washington, DC: CRC Press.
van der Valk, R.J., Kiefte-de Jong, J.C., Sonnenschein-van der Voort, A.M., Duijts, L., Hafkamp-de Groen, E., Moll, H.A., Tiemeier, H., Steegers, E.A., Hofman, A., Jaddoe, V.W., de Jongste, J.C., 2013. ’Neonatal folate, homocysteine, vitamin B12 levels and methylenetetrahydrofolate reductase variants in childhood asthma and eczema’. Allergy , 68, 788-795.
Veeranki, S.P., Gebretsadik, T., Dorris, S.L., Mitchel, E.F., Hartert, T.V., Cooper, W.O., Tylavsky, F.A., Dupont, W., Hartman, T.J., Carroll, K.N., 2014. Association of folic acid supplementation during pregnancy and infant bronchiolitis’. AmJ Epidemiol. 179, 938-946.
Veeranki, S. P., Gebretsadik, T., Mitchel, E.F., Tylavsky, F.A., Hartert, T.V., Cooper, W.O., Dupont, W.D., Dorris, S.L., Hartman, T.J., Carroll, K.N, 2015. Maternal folic acid supplementation during pregnancy and early childhood asthma’. Epidemiology . 26, 934-941.
Vereen, S., Gebretsadik, T., Johnson, N., Hartman, T.J., Veeranki, S.P., Piyathilake, C., Mitchel, E.F., Kocak, M., Cooper, W.O., Dupont, W.D., Tylavsky, F., Carroll, K.N., 2018. Association between maternal 2nd trimester plasma folate levels and infant bronchiolitis’. Matern Child Health J . 23, 164-172.
World Health Organization (WHO) – 2012. Guideline: daily iron and folic acid supplementation in pregnant women. ISBN-13: 978-924-150199-6.https://www.ncbi.nlm.nih.gov/books/NBK132263/
Wu, X.L., Li, R., Zhang, H.W., Jin, R., Wang, J.Y., Juan, C.X., et al., 2018. Methylation status of ORMDL3 regulates cytokine production and p-ERK/MMP9 pathway expression. Exp Cell Res. 372(1), 43-51.
Yila, T.A., Araki, A., Sasaki, S., Miyashita, C., Itoh, K., Ikeno, T., Yoshioka, E., Kobayashi, S., Goudarzi, H., Baba, T., Braimoh, T., Minakami, H., Endo, T., Sengoku, K., Kishi, R., 2016. Predictors of folate status among pregnant Japanese women: the Hokkaido Study on Environment and Children’s Health, 2002-2012’. Br J Nutr. 115: 2227-2235.
Zetstra-van der Woude, P.A., De Walle, H.E., Hoek, A., Bos, H.J., Boezen, H.M., Koppelman, G.H., de Jong-van den Berg, L.T., Scholtens, S., 2014. ’Maternal high-dose folic acid during pregnancy and asthma medication in the offspring’. Pharmacoepidemiol Drug Safe. 23, 1059-1065.