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Polystyrene microplastic‐induced endoplasmic reticulum stress contributes to growth plate endochondral ossification disorder in young rat
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Researchers found that polystyrene microplastics caused growth problems and bone damage in young rats by triggering stress in a part of the cell called the endoplasmic reticulum. This stress disrupted the normal process by which cartilage turns into bone in growing animals. The findings raise concerns that microplastic exposure during early development could interfere with normal bone growth in children.
These results indicated that MPs could induce growth retardation and longitudinal bone damage in early development. The toxicity of MPs may attribute to induced ER stress and impaired essential processes of the endochondral ossification after MPs exposure.
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