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Microplastics induce mitochondrial dysfunction and accelerate cardiovascular pathogenesis
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Researchers reviewed evidence that micro- and nanoplastics detected in human cardiovascular tissues may contribute to cardiovascular disease through mitochondrial dysfunction. The study found that these particles can impair mitochondrial integrity, induce oxidative stress, disrupt calcium signaling, and promote genomic instability, suggesting a mechanistic link between plastic particle exposure and cardiovascular pathology.
Microplastics and nanoplastics (MNPs) are becoming ubiquitous environmental pollutants, with increasing evidence of their systemic toxicity. MNPs are increasingly detected in human tissues, including the cardiovascular system, and have been implicated in the pathogenesis of cardiovascular disease through mitochondrial dysfunction. This review integrates mechanistic insights into how MNPs impair mitochondrial integrity, induce oxidative stress, disrupt calcium signaling, and promote genomic instability in cardiac tissue. MNPs also exacerbate inflammation, cellular senescence, mitophagy dysfunction, and pro-atherosclerotic remodeling. Furthermore, this review examines sex-specific mitochondrial responses and developmental vulnerabilities. Understanding the molecular crosstalk between MNPs exposure and mitochondrial damage may provide a foundation for targeted interventions to mitigate environmental cardiovascular risks.
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Influence of Micro- and Nanoplastics on Mitochondrial Function in the Cardiovascular System: A Review of the Current Literature
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This review examined the limited but growing research on how micro- and nanoplastics may affect mitochondrial function in the cardiovascular system. Researchers noted that these plastic particles can trigger oxidative stress and disrupt normal mitochondrial processes, which are critical for heart and blood vessel health. The study highlights the need for more comprehensive research given the rising levels of plastic particle contamination and the importance of mitochondrial health in preventing cardiovascular problems.
Microplastics and Nanoplastics in Cardiovascular Disease: An Emerging Cardiovascular Risk Factor
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Researchers reviewed mounting experimental and early clinical evidence that microplastics and nanoplastics cross epithelial barriers, accumulate in arterial plaques, cardiac tissue, and thrombi, and trigger oxidative stress and coagulation dysregulation, framing these particles as an emerging cardiovascular risk factor that warrants integration into disease prevention frameworks.
Impact of microplastics and nanoplastics on cardiovascular health
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This review examines the emerging evidence on how microplastics and nanoplastics may affect cardiovascular health. The study discusses clinical evidence suggesting that these particles can accumulate in the cardiovascular system and highlights possible molecular mechanisms including inflammation and oxidative stress, while noting that current evidence linking microplastics to cardiovascular disease remains largely correlative.
Microplastics and Cardiovascular Disease: Should Clinicians Be Paying Attention?
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This clinical review summarizes evidence for microplastics as a cardiovascular risk factor, noting that they have been detected in human cardiovascular tissues and that in vitro and animal studies link them to oxidative stress, endothelial dysfunction, and platelet disruption, while cautioning that human evidence remains associative.
Dissection of the potential mechanism of polystyrene microplastic exposure on cardiomyocytes
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Researchers investigated how polystyrene microplastics affect human heart muscle cells at concentrations reflecting estimated daily human intake levels. They found that the microplastics caused oxidative stress, mitochondrial dysfunction, and disrupted calcium signaling in the cells. The study suggests that microplastic exposure may contribute to cardiovascular risks by directly damaging heart cell function at the cellular level.
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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.