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Circulating polymer-resolved microplastics in pediatric epilepsy: higher internal burden in drug-resistant cases
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Researchers found more tiny plastic particles (microplastics) in the blood of kids with epilepsy compared to healthy kids—and levels were highest in children whose seizures don't respond to medication. This doesn't prove microplastics cause treatment-resistant epilepsy, but it raises an intriguing question worth exploring further, especially since this was a small, early-stage study that needs to be confirmed with larger research before drawing firm conclusions.
Drug-resistant epilepsy (DRE) in children remains a major clinical challenge, and environmental contributors to pharmacoresistance are not fully understood. In this study, we quantified polymer-resolved microplastics (MPs) in peripheral blood from pediatric patients with controlled epilepsy (CE), drug-resistant epilepsy (RE), and healthy controls (NC) using pyrolysis-gas chromatography-mass spectrometry (Py-GC/MS) with laser direct infrared (LDIR) validation. Eight polymer types were detected. Total circulating polymer-resolved MP burden was observed to be higher in epilepsy patients, with the highest levels in the RE subgroup. Specific polymers, including polystyrene (PS), polyethylene (PE), polypropylene (PP), and polyethylene terephthalate (PET), were enriched in RE. Self-reported exposure variables did not fully explain these group differences. In a small MRI-negative subgroup, exploratory whole-exome sequencing identified descriptive differences in selected variant categories between controlled and drug-resistant epilepsy patients; however, these findings were not used to infer microplastic uptake, retention, transport, biotransformation, or clearance. Given the small sample size, limited exposure reconstruction, and cross-sectional design, all findings should be interpreted as preliminary and hypothesis-generating. Larger longitudinal studies with standardized contamination control, quantitative exposure assessment, and independent validation cohorts are needed to confirm these observations.
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Circulating Microplastics in Acute Ischemic Stroke: Feasibility, Variability, and Exploratory Comparisons with Healthy Individuals
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Scientists found tiny plastic particles (microplastics) in the blood of almost everyone tested, and stroke patients showed higher levels than healthy people in one comparison — though the difference wasn't clear-cut when comparing groups tested the same way. This is an early, small study, so it doesn't prove microplastics cause strokes, but it does show blood testing for plastics is possible and worth studying further to understand if these particles affect heart and brain health.
Micro- and nanoplastics in pediatric health: from placental transfer to neurodevelopmental outcomes
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This review summarizes existing research on tiny plastic particles found in placenta, amniotic fluid, cord blood, and children's feces. It describes animal studies linking early-life exposure to brain and behavior changes, and notes human studies finding associations between urinary plastic markers and children's behavior or thinking, though a cause and effect link has not been established.
Microplastics in pediatric asthma: Clinical associations with disease severity
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Researchers found tiny plastic particles (microplastics) in the lung mucus of every single child with asthma they tested, and kids with worse-controlled asthma had higher levels of these particles in their airways. Lab experiments on lung tissue models suggested these plastics may trigger harmful cell stress and inflammation, though more research is needed to confirm this actually causes the asthma symptoms rather than just being linked to them. This study is a reminder that the air we breathe, and the plastic particles in it, may be quietly affecting respiratory health, especially in children.
Microplastics and Nanoplastics as Emerging Modifiers of Human Drug Pharmacokinetics: Implications for Adme and Therapeutic Outcomes
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**TLDR:** This review of existing research found that tiny plastic particles we're exposed to from the environment might interfere with how medications work in our bodies. These microplastics and nanoplastics can potentially make some drugs less effective or change how they're absorbed, which could be especially risky for critical medications like blood thinners and seizure drugs. While scientists need more human studies to fully understand the impact, this suggests our plastic pollution problem might also be affecting how well our medicines work.
Detection of micro- and nanoplastics in cerebrospinal fluid and blood: Implications for brain diseases
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Researchers measured micro- and nanoplastic concentrations in paired cerebrospinal fluid and blood samples from patients with neurological conditions. They detected five types of plastic polymers in both fluids, with blood containing significantly higher concentrations than cerebrospinal fluid, and found correlations between plastic levels in the two fluids among patients with neuroimmune and neuroinfectious conditions. The study also identified disrupted metabolic pathways associated with higher plastic concentrations, suggesting a potential link between plastic particle exposure and changes in brain chemistry that warrants further investigation.
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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.