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Long-term Behavioral and Reproductive Consequences of Embryonic Exposure to Low-dose Toxicants
Published on: March 6, 2018
Developmental toxicity and programming alterations of multiple organs in offspring induced by medication during
Zhengjie Lu1,2, Yu Guo1,3, Dan Xu1,3
1Department of Pharmacology, Wuhan University School of Basic Medical Science, Wuhan 430071, China.
Abstract:
Medication during pregnancy is widespread, but there are few reports on its fetal safety. Recent studies suggest that medication during pregnancy can affect fetal morphological and functional development through multiple pathways, multiple organs, and multiple targets. Its mechanisms involve direct ways such as oxidative stress, epigenetic modification, and metabolic activation, and it may also be indirectly caused by placental dysfunction. Further studies have found that medication during pregnancy may also indirectly lead to multi-organ developmental programming, functional homeostasis changes, and susceptibility to related diseases in offspring by inducing fetal intrauterine exposure to too high or too low levels of maternal-derived glucocorticoids. The organ developmental toxicity and programming alterations caused by medication during pregnancy may also have gender differences and multi-generational genetic effects mediated by abnormal epigenetic modification. Combined with the latest research results of our laboratory, this paper reviews the latest research progress on the developmental toxicity and functional programming alterations of multiple organs in offspring induced by medication during pregnancy, which can provide a theoretical and experimental basis for rational medication during pregnancy and effective prevention and treatment of drug-related multiple fetal-originated diseases.
Insights
Medication during pregnancy can harm fetal development through various mechanisms, potentially causing long-term health issues in offspring. This review highlights developmental toxicity and programming alterations from prenatal drug exposure.
Area of Science:
- Developmental Toxicology
- Reproductive Medicine
- Pharmacology
Background:
- Medication use during pregnancy is common, yet fetal safety data remains limited.
- Prenatal drug exposure can impact fetal development via multiple pathways, organs, and targets.
- Mechanisms include direct effects (oxidative stress, epigenetics) and indirect effects (placental dysfunction).
Purpose of the Study:
- To review the latest research on developmental toxicity and functional programming alterations in offspring due to medication during pregnancy.
- To provide a theoretical and experimental basis for safe medication practices during pregnancy.
- To inform the prevention and treatment of drug-related diseases originating in the fetus.
Main Methods:
- Literature review of recent studies on prenatal drug exposure and offspring development.
- Analysis of direct and indirect mechanisms of drug-induced developmental toxicity.
- Inclusion of recent laboratory findings on organ developmental toxicity and programming alterations.
Main Results:
- Prenatal medication exposure can lead to multi-organ developmental programming and functional homeostasis changes in offspring.
- Exposure may alter susceptibility to diseases later in life, potentially influenced by maternal glucocorticoid levels.
- Developmental toxicity and programming alterations may exhibit gender differences and multi-generational effects via epigenetic modifications.
Conclusions:
- Medication during pregnancy poses risks for fetal development, affecting multiple organs and potentially leading to long-term health consequences.
- Understanding the mechanisms of developmental toxicity is crucial for rational drug use during pregnancy.
- Further research is needed to effectively prevent and treat drug-related fetal diseases.
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