1046P Characterization and evaluation of microplastics in peritumoral and tumor tissues of lung adenocarcinoma patients

Microplastic Accumulation in the Human Lung: Distinct Signatures in Lung Cancer vs Normal Tissue

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Scientists found tiny plastic particles (from things like packaging and bottles) in all the lung tissue samples they studied, both cancerous and healthy. Cancer samples tended to have more plastic bits, especially smaller fiber-shaped pieces made of common plastics like polypropylene and PET, but this was a small study, so it can't yet prove plastics cause cancer, just that they're worth investigating further. Bottom line: this adds to growing evidence that microplastics are showing up in our bodies, and researchers want to know if they're contributing to lung disease.

Higher number of microplastics in tumoral colon tissues from patients with colorectal adenocarcinoma

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Researchers found higher concentrations of microplastics in cancerous colon tissue compared to healthy tissue from the same patients, suggesting a possible link between microplastic accumulation and colorectal cancer, though this study cannot yet establish whether microplastics cause the disease.

Characterization of Microplastics in Human Gastric Cancer and Control Tissues and Analysis of Associated Genetic Features (Adv. Healthcare Mater. 10/2026)

Causal relationship between micro- and nanoplastics and lung function

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Researchers quantified micro- and nanoplastic levels in whole blood from young adults using pyrolysis GC-MS and measured lung function by spirometry, analyzing the causal relationship between circulating plastic particle burden and forced expiratory volume and vital capacity outcomes.

Micro-nano Plastics: Development of Carcinogenicity

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Researchers reviewed how micro- and nanoplastics may contribute to cancer development, examining the biological pathways by which these particles — now found throughout the human body — could trigger cell damage, inflammation, and potentially carcinogenic processes.