Review
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Tier 2
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Original research — experimental, observational, or case-control study. Direct primary evidence.
Gut & Microbiome
Human Health Effects
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Micro- and nano-plastics, intestinal inflammation, and inflammatory bowel disease: A review of the literature
The Science of The Total Environment2024
27 citations
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Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Score: 65
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0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
This review summarizes the growing evidence linking micro- and nanoplastic exposure to intestinal inflammation and inflammatory bowel disease (IBD). Studies show these tiny plastic particles can trigger immune responses in the gut, alter the gut microbiome, and worsen intestinal inflammation, though more research using standardized methods is needed to confirm these effects in humans.
Plastics, encompassing a wide range of polymeric materials, and their downstream products (micro- and nanoplastics, MNPs) are accumulating in the environment at an alarming rate, and they are linked to adverse human health outcomes. Considering that ingestion is a main source of MNPs exposure, the impact of plastics is particularly relevant towards intestinal inflammation and inflammatory bowel disease (IBD). However, the study of MNPs has been limited by obstacles relating to sample collection, preparation, and microplastics analysis based on optical microscopy and chemical analysis, which we detail in this review alongside potential solutions. We summarize available data on human exposure to MNPs and overall health outcomes, with particular focus on data pertaining to intestinal inflammation, microbiome perturbations, and related outcomes. We include ecologic perspectives, and human, in vitro, and animal model studies. We discuss the way forward in MNPs and IBD research, including knowledge gaps and future research.