We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Polypropylene nanoplastic exposure leads to lung inflammation through p38-mediated NF-κB pathway due to mitochondrial damage
AI summary Read the abstract
This study found that polypropylene nanoplastics, one of the most common types of plastic particles, can cause lung inflammation by damaging mitochondria (the energy-producing parts of cells) and triggering inflammatory signaling pathways. These findings suggest that breathing in tiny plastic particles could contribute to lung disease through a specific chain of cellular damage.
These results suggest that PP stimulation may contribute to inflammation pathogenesis via the p38 phosphorylation-mediated NF-κB pathway as a result of mitochondrial damage.
More Papers Like This
Polypropylene microplastic exposure leads to lung inflammation through p38-mediated NF- κB pathway due to mitochondrial damage
AI summary Read the abstract
Researchers found that instilling polypropylene microplastic particles into mouse lungs caused dose-dependent increases in inflammatory cell counts, reactive oxygen species, and pro-inflammatory cytokines, with lung tissue analysis revealing the particles triggered inflammation via mitochondrial damage activating the p38-mediated NF-kB signaling pathway.
Realistic Nanoplastics Induced Pulmonary Damage via the Crosstalk of Ferritinophagy and Mitochondrial Dysfunction
AI summary Read the abstract
Researchers created realistic nanoplastics by mechanically breaking down bulk plastic rather than using lab-made particles, and found that inhaling these particles caused significant lung damage in mice through iron-related cell death and mitochondrial dysfunction. PVC nanoplastics were the most harmful of the four types tested, and all were more toxic than commonly used lab-standard polystyrene spheres, suggesting previous studies may have underestimated the lung health risks of airborne nanoplastics.
Nanoplastics Penetrate Human Bronchial Smooth Muscle and Small Airway Epithelial Cells and Affect Mitochondrial Metabolism
AI summary Read the abstract
When human lung cells were exposed to 25 and 50 nanometer polystyrene nanoplastics in the lab, the particles penetrated both airway lining cells and the smooth muscle cells underneath, including cells from asthmatic donors. The nanoplastics disrupted the cells' energy-producing mitochondria, impairing both normal oxygen-based metabolism and backup energy pathways -- demonstrating a direct mechanism by which inhaled nanoplastics could harm respiratory health.
Polymer-specific nanoplastics trigger oxidative stress, inflammatory activation, and mitoepigenetic remodeling: in vitro and in silico evidence for MT-ND6-mediated mitochondrial complex I perturbation
AI summary Read the abstract
Scientists exposed human cells to tiny plastic particles (from common plastics like polystyrene, polypropylene, and PVC) and found they damage the cell's "power plants" (mitochondria), triggering stress, inflammation, and even changes in how mitochondrial genes are switched on or off. Different plastic types caused different kinds of damage, but all disrupted a key energy-producing process, suggesting nanoplastics may harm cells in ways that could affect long-term health. Since this was a lab study on cells rather than in people, more research is needed to confirm what this means for real-world plastic exposure in humans.
A particle of concern: explored and proposed underlying mechanisms of microplastic-induced lung damage and pulmonary fibrosis
AI summary Read the abstract
This paper explores how inhaled microplastics may cause lung damage and scarring (pulmonary fibrosis) through several biological pathways. The research identifies signaling pathways that could be targeted for future treatments to reduce microplastic-induced lung damage. This is relevant to human health because people regularly breathe in airborne microplastic particles.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.