| Title: | Association between the Concentrations of Metallic Elements in Maternal Blood during Pregnancy and Prevalence of Abdominal Congenital Malformations : The Japan Environment and Children's Study |
| Authors: | Miyashita, Chihiro Browse this author →KAKEN DB |
| Saijo, Yasuaki Browse this author |
| Ito, Yoshiya Browse this author |
| Ikeda-Araki, Atsuko Browse this author →KAKEN DB |
| Itoh, Sachiko Browse this author →KAKEN DB |
| Yamazaki, Keiko Browse this author →KAKEN DB |
| Kobayashi, Sumitaka Browse this author →KAKEN DB |
| Ait Bamai, Yu Browse this author →KAKEN DB |
| Masuda, Hideyuki Browse this author |
| Tamura, Naomi Browse this author →KAKEN DB |
| Itoh, Mariko Browse this author |
| Yamaguchi, Takeshi Browse this author →KAKEN DB |
| Yamazaki, Shin Browse this author |
| Kishi, Reiko Browse this author →KAKEN DB |
| Keywords: | metallic elements |
| abdominal congenital malformations |
| prenatal exposure |
| Issue Date: | Oct-2021 |
| Publisher: | MDPI |
| Journal Title: | International journal of environmental research and public health |
| Volume: | 18 |
| Issue: | 19 |
| Start Page: | 10103 |
| Publisher DOI: | 10.3390/ijerph181910103 |
| Abstract: | Abdominal congenital malformations are responsible for early mortality, inadequate nutrient intake, and infant biological dysfunction. Exposure to metallic elements in utero is reported to be toxic and negatively impacts ontogeny. However, no prior study has sufficiently evaluated the effects of exposure to metallic elements in utero on abdominal congenital malformations. The aim of the present study was to evaluate associations between metallic elements detected in maternal blood during pregnancy and congenital abdominal malformations. Data from participants in the Japan Environment and Children's Study was used in the present study, and contained information on singleton and live birth infants without congenital abnormalities (control: n = 89,134) and abdominal malformations (case: n = 139). Heavy metals such as mercury (Hg), lead (Pb), cadmium (Cd), and trace elements of manganese (Mn) and selenium (Se) were detected in maternal serum samples during mid- and late-gestation. Infant congenital abnormalities were identified from delivery records at birth or one month after birth by medical doctors. In a multivariate analysis adjusted to account for potential confounders, quartiles of heavy metals and trace elements present in maternal blood were not statistically correlated to the prevalence of abdominal congenital malformations at birth. This study is the first to reveal the absence of significant associations between exposure levels to maternal heavy metals and trace elements in utero and the prevalence of abdominal congenital malformations in a large cohort of the Japanese population. Further studies are necessary to investigate the impact of exposure to heavy metals and trace elements via maternal blood in offspring after birth. |
| Type: | article |
| URI: | http://hdl.handle.net/2115/85571 |
| Appears in Collections: | 環境健康科学研究教育センター (Center for Environmental and Health Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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