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Worker studies suggest unique liver carcinogenicity potential of polyvinyl chloride microplastics
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This study reviews evidence from workers in polyvinyl chloride (PVC) manufacturing plants and finds that PVC microplastic exposure is uniquely linked to liver cancer risk. The evidence of liver damage from occupational exposure to other types of microplastics is limited, suggesting PVC may be especially harmful. These worker studies provide important real-world data on how chronic microplastic exposure at high levels could affect human liver health.
The data supporting liver toxicity are strongest for PVC exposure. Overall, the evidence of liver toxicity from occupational exposure to MPs other than PVC is lacking. The PVC worker data summarized here can be useful in assisting clinicians evaluating exposure histories from PVC exposure and designing future cell, animal, and population exposure-effect research studies.
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Polyvinyl Chloride Exposure Induces Liver Injury: A Biochemical and Histological Evaluation
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This rat study evaluated liver toxicity from 42 days of daily oral polyvinyl chloride administration at doses of 0.1, 0.2, and 0.3 mg/kg. Liver enzymes (AST, ALT, ALP) were elevated disproportionately, oxidative stress markers were disrupted, and histological changes were observed, suggesting dose-dependent hepatotoxicity from PVC microplastics.
Plastic toxicity effects on Egyptian workers
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This Egyptian study investigated the health effects of plastic exposure on workers in the plastics manufacturing industry, examining liver function and other biomarkers. It provides evidence that occupational plastic exposure causes measurable health impacts, which is relevant context for assessing broader public health risks from microplastic exposure.
Association between Microplastic Exposure and Hepatic Dysfunction in Humans: A Cross-Sectional Study of Occupationally Exposed Individuals
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A cross-sectional study of 141 participants found that plastic factory workers with occupational microplastic exposure had nearly four times the odds of abnormal liver function, with each unit increase in the exposure risk score significantly elevating AST and total bilirubin levels. This human evidence linking microplastic exposure to hepatotoxicity strengthens the case for regulatory action on occupational and environmental plastic pollution.
Evaluating the Hepatotoxicity of Polyvinyl Chloride Microplastics in Ducks: Oxidative andFibrotic Outcomes
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Researchers fed ducks low and high doses of polyvinyl chloride (PVC) microplastics for two months and found that the particles accumulated in the liver, causing fat buildup, scarring, and cell death — similar to fatty liver disease in humans — suggesting plastic pollution may harm bird liver health in ways previously only studied in mammals.
The Protective Effect of Pumpkin Extract on Polyvinylchloride) PVC( Hepatotoxicity in Male Albino Rats
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This study investigated whether pumpkin extract could protect against liver damage caused by polyvinyl chloride (PVC) microplastics in male albino rats, given that PVC is a common and persistent source of microplastic exposure. Results suggested that pumpkin extract offered a protective effect against PVC-induced hepatotoxicity.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.