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Applications of Stem Cells and Modern Toxicological Analytical Methods in the Toxicity of Microplastics
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This review pulls together existing research on how tiny plastic particles (microplastics) found in our environment can interfere with stem cells—the special cells our bodies use to grow and develop tissues and organs. The findings suggest microplastics may disrupt how these cells multiply and turn into specialized cell types, raising concerns about potential harm during critical periods of development, like pregnancy and childhood. This is a summary of current science rather than new experiments, and it highlights the need for more research to fully understand the risks microplastics pose to human development.
Microplastics (MPs) are an emerging environmental pollutant, and their contamination has emerged as a pressing global environmental concern. Developmental processes exhibit heightened sensitivity to environmental perturbations, and MP exposure can induce long-term adverse effects on organismal health by disrupting fundamental cellular processes. This review focuses on the toxicity and developmental toxicity risks of microplastics investigated using stem cell models. The core section comprehensively summarizes the primary mechanisms through which MP exposure interferes with the biological functions of stem cells, including the impairment of self-renewal capacity and lineage specification, as well as the inhibition of tissue-specific differentiation and organogenesis. Finally, the integration and application of modern toxicological methods in deepening research and improving risk assessment capabilities are synthesized. This review aims to provide a systematic perspective to understand the developmental hazards of MPs and look forward to future risk studies based on stem cell modeling, providing theoretical basis and fundamental support.
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This review pulls together recent research on BPA, a chemical found in plastics, food packaging, and medical devices, showing it can damage stem cells, the body's building blocks for repairing and renewing tissues. Scientists found BPA disrupts how these cells grow, use energy, and communicate, and may even cause changes that affect future generations, especially concerning since BPA often occurs alongside microplastics in our environment. While the findings raise real health concerns, researchers note that studies vary widely in design, so more standardized research is needed before we can fully understand the risk to humans.
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This review summarizes existing research on tiny plastic particles called microplastics, which have been found in human blood, placenta, lung tissue, breast milk and stool. Lab and animal studies link microplastics to cell damage, inflammation and effects on several organs, but human health data remain limited, and the paper proposes a framework for future risk assessment.
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