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Ingested PET microplastics alter the metabolomic profile of the porcine pancreas
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Researchers fed young pigs low and high doses of PET microplastics for four weeks and analyzed changes in pancreatic metabolic profiles using mass spectrometry. They found that microplastic ingestion altered the metabolomic profile of the pancreas, with dose-dependent changes in metabolic pathways. The study suggests that dietary microplastic exposure may affect pancreatic function, raising questions about potential long-term metabolic health impacts.
Microplastics and their effects on health are a growing concern. While their full impact is not yet known, they are not harmless. Pancreatic diseases are increasingly common, even in children, which was once rare. This study examined pancreatic changes caused by PET microplastics in young organisms. Gilts received low (0.1 g/day) or high (1 g/day) doses of PET microplastics for four weeks, and their pancreases were analyzed using UPLC-MS/MS. Blood insulin levels and other biochemical parameters were also measured. PET microplastics altered physiological processes in the pancreas, increasing glucose, γ-aminobutyric acid, lysophosphatidylcholine, and lysophosphatidylethanolamine levels in tissues. They also elevated blood insulin concentrations and affected in a dose-dependent manner lipase, cholesterol, and calcium levels. These findings suggest that PET microplastics may contribute to insulin resistance and pancreatitis.
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PET microplastics increase the risk of insulin resistance and pancreatitis
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Researchers fed young piglets PET microplastics for four weeks and found significant metabolic changes in their pancreatic tissue, including disrupted fat metabolism and signs of inflammation. Piglets receiving the higher dose showed tissue changes consistent with early pancreatitis, and both dose groups showed markers associated with insulin resistance. The study suggests that microplastic exposure in developing organisms may affect pancreatic function, though more research is needed to understand implications for humans.
PET microplastics induce lipotoxicity in the porcine pancreas
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Researchers exposed pigs to PET microplastics for four weeks and found dose-dependent changes in pancreatic protein profiles, with the higher dose altering 17 proteins involved in fatty acid synthesis, lipid peroxidation, and digestive enzyme production. Free fatty acid levels increased significantly at the higher dose, indicating lipotoxic stress in pancreatic tissue. The study suggests a novel pathway through which microplastics may contribute to metabolic disturbances by impairing pancreatic function.
PET microplastics induce lipotoxicity in the porcine pancreas
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Researchers used proteomic analysis to study the effects of PET microplastics on the porcine pancreas after four weeks of exposure at low and high doses. The study found that PET microplastics induced lipotoxicity in the pancreas, disrupting lipid metabolism pathways and suggesting that microplastic ingestion may affect pancreatic function through altered protein expression profiles.
PET microplastics induce lipotoxicity in the porcine pancreas
AI summary Read the abstract
Researchers used proteomic analysis to study the effects of PET microplastics on the porcine pancreas after four weeks of exposure at low and high doses. The study found that PET microplastics induced lipotoxicity in the pancreas, disrupting lipid metabolism pathways and suggesting that microplastic ingestion may affect pancreatic function through altered protein expression profiles.
Oral exposure to PET microplastics induces the pancreatic immune response and oxidative stress in immature pigs
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Researchers fed young pigs PET microplastics (the type found in plastic bottles) and found that the particles triggered immune responses and oxidative stress in the pancreas, the organ that produces insulin. Higher doses caused changes in 86 genes related to immune function and cellular stress. Since pigs are biologically similar to humans, this study raises questions about whether microplastic exposure could contribute to pancreatic problems, including diabetes risk.
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