ArticleParticle and fibre toxicology2023
Diesel Exhaust Particle (DEP)-induced glucose intolerance is driven by an intestinal innate immune response and NLRP3 activation in mice.
Article in Particle and fibre toxicology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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Who cites it
7 citing papers in PubMed, 12 citations in OpenAlex.
- Effects of Traffic-Related Diesel Exhaust Exposure and Moderate Exercise on Obesity, Metabolic Dysfunction, and Inflammatory Responses in Rats.Metabolites · 2026Article
- Exercise training mitigates age-related cognitive decline by attenuating TMAO-induced inflammation.Scientific reports · 2026Article
- Aldehyde metabolism governs resilience of mucociliary clearance to air pollution exposure.The Journal of clinical investigation · 2025Article
- Review
- Inhaled Pollutants of the Gero-Exposome and Later-Life Health.The journals of gerontology. Series A, Biological sciences and medical sciences · 2024Review
- Exposure to air pollution and non-neoplastic digestive system diseases: findings from the China health and retirement longitudinal study.Frontiers in public health · 2024Article
- Pollutants, microbiota and immune system: frenemies within the gut.Frontiers in public health · 2024Review
Corrections and comments
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Authors and funding
10 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundWe previously found that air pollution particles reaching the gastrointestinal tract elicit gut inflammation as shown by up-regulated gene expression of pro-inflammatory cytokines and monocyte/macrophage markers. This inflammatory response was associated with beta-cell dysfunction and glucose intolerance. So far, it remains unclear whether gut inflammatory changes upon oral air pollution exposure are causally linked to the development of diabetes. Hence, our aim was to assess the role of immune cells in mediating glucose intolerance instigated by orally administered air pollutants.
methodsTo assess immune-mediated mechanisms underlying air pollution-induced glucose intolerance, we administered diesel exhaust particles (DEP; NIST 1650b, 12 µg five days/week) or phosphate-buffered saline (PBS) via gavage for up to 10 months to wild-type mice and mice with genetic or pharmacological depletion of innate or adaptive immune cells. We performed unbiased RNA-sequencing of intestinal macrophages to elucidate signaling pathways that could be pharmacologically targeted and applied an in vitro approach to confirm these pathways.
resultsOral exposure to air pollution particles induced an interferon and inflammatory signature in colon macrophages together with a decrease of CCR2
conclusionIn mice, oral exposure to air pollution particles triggers an immune-mediated response in intestinal macrophages that contributes to the development of a diabetes-like phenotype. These findings point towards new pharmacologic targets in diabetes instigated by air pollution particles.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.