Nanoplastics Exacerbated Renal Injury amid Hypertension: Rethinking Health Hazards in Disease and Implication of Renal Senescence and EMT Associated with Sirt1 Downregulation

Effects of Nanoplastic Particles on the Kidney

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Scientists found that tiny plastic particles (like those from broken-down everyday plastics) can travel through the digestive system and reach the kidneys, where they get absorbed by important filtering cells and change their shape and structure. Using fish and lab-grown human kidney cells, researchers also discovered that if the kidney's filtering system is already damaged, these plastic particles pass through more easily, suggesting people with kidney disease might be more vulnerable to potential harm from microplastic exposure. This early research highlights a new reason to take plastic pollution seriously, though more studies are needed to know exactly how this affects human health long-term

Co-exposure to Cadmium and Polystyrene Nanoplastics Intensifies Renal Damage in Mice via the Activation of the PANoptosis Pathway

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Researchers exposed mice to cadmium and polystyrene nanoplastics individually and together, finding that co-exposure synergistically worsened kidney damage by activating PANoptosis — a coordinated cell death cascade integrating pyroptosis, apoptosis, and necroptosis — with the scaffold protein ASC markedly upregulated as a central driver.

Wcn26-8487 Plastics Age and Kidney Damage: Photo-oxidized Microplastics Enhance Tubular Cell Injury

From exposure to injury: signaling mechanisms of microplastic-induced renal toxicity: an extensive review

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Researchers reviewed experimental and mechanistic evidence on how micro- and nanoplastics damage kidneys, synthesizing a framework in which oxidative stress, inflammasome activation, mitochondrial dysfunction, and profibrotic remodeling collectively drive nephron injury — while noting that standardized biomonitoring protocols and nanoscale detection methods remain critical unresolved challenges.

Cellular and Animal Toxicities of Micro- and Nanoplastics

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Researchers reviewed evidence from cell and animal studies on the toxic effects of micro- and nanoplastics, finding that these particles can cause inflammation, oxidative stress, and organ damage in laboratory models, raising concern about what chronic low-level human exposure might mean for long-term health.