Potential Effects of Low-Level Toluene Exposure on the Nervous System of Mothers and Infantsopen access
- Authors
- Yu, So Yeon; Kim, Seung Hwan; Choo, Jeong Hyeop; Jang, Sehun; Kim, Jihyun; Ahn, Kangmo; Hwang, Seung Yong
- Issue Date
- Jun-2024
- Publisher
- Multidisciplinary Digital Publishing Institute (MDPI)
- Keywords
- toluene; maternal exposure; nervous system; GREEN cohort; epigenetics; mRNA expression
- Citation
- International Journal of Molecular Sciences, v.25, no.11, pp 1 - 14
- Pages
- 14
- Indexed
- SCIE
SCOPUS
- Journal Title
- International Journal of Molecular Sciences
- Volume
- 25
- Number
- 11
- Start Page
- 1
- End Page
- 14
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/119889
- DOI
- 10.3390/ijms25116215
- ISSN
- 1661-6596
1422-0067
- Abstract
- In day-to-day living, individuals are exposed to various environmentally hazardous substances that have been associated with diverse diseases. Exposure to air pollutants can occur during breathing, posing a considerable risk to those with environmental health vulnerabilities. Among vulnerable individuals, maternal exposure can negatively impact the mother and child in utero. The developing fetus is particularly vulnerable to environmentally hazardous substances, with potentially greater implications. Among air pollutants, toluene is neurotoxic, and its effects have been widely explored. However, the impact of low-level toluene exposure in daily life remains unclear. Herein, we evaluated 194 mothers and infants from the Growing children's health and Evaluation of Environment (GREEN) cohort to determine the possible effects of early-life toluene exposure on the nervous system. Using Omics experiments, the effects of toluene were confirmed based on epigenetic changes and altered mRNA expression. Various epigenetic changes were identified, with upregulated expression potentially contributing to diseases such as glioblastoma and Alzheimer's, and downregulated expression being associated with structural neuronal abnormalities. These findings were detected in both maternal and infant groups, suggesting that maternal exposure to environmental hazardous substances can negatively impact the fetus. Our findings will facilitate the establishment of environmental health policies, including the management of environmentally hazardous substances for vulnerable groups.
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