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Short-term Exposure to Nanoplastic – containing Aerosol Causes Immunodmodulation in Healthy Human Primary Airway Epithelium
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This paper's abstract consists only of boilerplate journal submission guidelines rather than research findings, so the actual study content — on nanoplastic aerosol exposure and immune responses in human airway cells — cannot be evaluated. Based on the title, the study appears relevant to microplastic inhalation risks, but the abstract as indexed is not usable for a meaningful summary.
Translation: The University of Toledo Journal of Medical Sciences is the online journal launched by the University of Toledo. Manuscripts will be considered on the understanding that they report original work and are not under consideration for publication by any other journal. The journal publishes original articles reporting experimental results of basic or clinical research, case reports, and reviews. The journal uses a single blind peer review system and each manuscript, based on the results presented in its original submission, will be evaluated by two student reviewers and one faculty reviewer. This process will provide an opportunity for medical students, graduate students, residents, fellows and faculty to publish research observation in a timely manner.
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Acute Exposure to Aerosolized Nanoplastics Modulates Redox-Linked Immune Responses in Human Airway Epithelium
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Researchers exposed a 3D model of human airway tissue from 14 healthy donors to aerosolized polystyrene nanoplastics over three days and found that while the particles did not cause structural damage, they triggered changes in immune-related gene expression. The nanoplastics activated oxidative stress pathways and altered the expression of genes involved in inflammation and antioxidant defense. The study suggests that even short-term inhalation of nanoplastics could subtly shift immune responses in the airways.
Inhaled Microplastics as Emerging Respiratory Toxicants: From Cellular Mechanisms to Global Health Policy
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This review pulls together a decade of research on tiny plastic particles floating in the air we breathe, finding that once inhaled, they can trigger inflammation, cell damage, and immune disruption deep in the lungs, effects linked to conditions like asthma, COPD, and even lung cancer. The risk may be even greater since these particles often carry other harmful substances like heavy metals along for the ride. That said, scientists still lack standardized ways to measure this exposure, so more consistent research is needed before we fully understand how worried we should be, but it's a good reason to pay attention to air quality and plastic pollution in daily life.
Human Responsive Biomarkers of Airborne Microplastics Exposure: Evaluation and Analysis for Health and Environment
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This research review looked at 14 studies to understand how tiny plastic particles in the air affect human health by measuring specific markers in our blood and lungs. The studies found that breathing in microplastics causes inflammation in our airways and lungs, similar to what happens with asthma, by triggering the body's immune response. This matters because it helps scientists develop better ways to detect early health problems from plastic pollution and create guidelines to protect people from these invisible particles we breathe every day.
Airborne microplastics: Consequences to human health?
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Researchers reviewed existing evidence on airborne microplastics and their potential effects on human respiratory health. Studies of workers exposed to plastic fibers and particles have documented airway inflammation and breathing difficulties, suggesting that susceptible individuals may face health risks even from environmental concentrations. The paper calls for greater awareness and future research into the health consequences of inhaling microplastic particles.
Inflammatory Effects of Microplastics and Nanoplastics on Nasal Airway Epithelial Cells
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Researchers found that polystyrene micro- and nanoplastics cause inflammatory cytokine responses in nasal epithelial cells even over short exposure periods. The study also observed ciliary blunting and transcriptional evidence of significant inflammation and stress responses, suggesting that the nasal airway is vulnerable to plastic particle exposure.
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.