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Microplastic Exposure and Its Dual Impact on Metabolic Syndrome and Pathways of Colorectal Carcinogenesis: A Systematic Review of Epidemiological, Experimental, and Mechanistic Evidence
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This systematic review examines evidence linking microplastic exposure to both metabolic syndrome and colorectal cancer pathways. It found a biologically plausible connection between microplastic exposure and these conditions, though a direct clinical link to cancer has not yet been established.
The results indicate a biologically plausible connection between MP exposure and the development of both MetS and colorectal carcinogenesis pathways, rather than a direct clinical association with early-onset colorectal cancer.
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The clinical relevance of microplastic exposure on colorectal cancer: A systematic review
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This systematic review of four studies found that microplastic accumulation in colorectal cancer tissue (25.9-32.2 particles/g) was significantly higher than in healthy controls, with polyamide, polycarbonate, and polypropylene as the most common polymers detected. While a causal relationship has not been established, the evidence points to microplastics as a potential environmental factor in colorectal cancer development.
Invisible invaders: unveiling the carcinogenic threat of microplastics and nanoplastics in colorectal cancer-a systematic review
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This systematic review examines the potential link between microplastics and nanoplastics and colorectal cancer. The research highlights how these tiny particles may contribute to cancer development through mechanisms like chronic inflammation and cellular damage in the gut. While more studies are needed, the findings raise important questions about the long-term consequences of ingesting plastic particles.
A multi-omics signature of microplastic exposure and its clinical, metabolic, and microbial correlates in colorectal cancer
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Scientists found tiny plastic particles (from common plastics like PVC and polyethylene) built up more in colon tumors and the tissue around them than in blood samples from cancer patients. These plastic particles were linked to changes in blood chemistry and gut bacteria, suggesting microplastics might interact with the body's metabolism in ways connected to colorectal cancer. This is early evidence, not proof of cause and effect, but it highlights why reducing plastic exposure and further research into this link matter for gut health.
Orally Ingested Micro- and Nano-Plastics: A Hidden Driver of Inflammatory Bowel Disease and Colorectal Cancer.
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This review synthesizes evidence linking ingested micro- and nano-plastics to inflammatory bowel disease and colorectal cancer risk, proposing that microplastics act as a hidden driver of gut inflammation in vulnerable populations. The authors argue that intestinal accumulation of microplastics triggers immune and oxidative stress pathways that contribute to disease progression.
Microplastics and Colorectal Cancer: Presence in Human Colorectal Tissues and Associations with Tumor Biology- A Systematic Review
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This review of 13 studies found that tiny plastic particles called microplastics are present in human colon tissues, with higher amounts found in cancerous tumors compared to healthy tissue. The research suggests these plastic particles may contribute to colon cancer development by causing inflammation and creating conditions that help tumors grow. While more research is needed to prove a direct cause-and-effect relationship, this highlights growing concerns about how plastic pollution in our environment and food supply might affect human health.
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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.