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Acrylamide and bisphenol A: two plastic additives increase platelet activation, via oxidative stress.
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In vitro experiments showed that two plastic additives—acrylamide and bisphenol A—increased platelet activation via oxidative stress mechanisms, raising concerns about cardiovascular risk from plastic chemical exposure. Both compounds are commonly detected in human tissues and blood.
BACKGROUND: Since the mid-20th century, the widespread use of plastics has led to the buildup of harmful byproducts in the environment-most notably acrylamide (AA) and bisphenol A (BPA). These chemicals are now commonly detected in human tissues, raising concerns about their potential health effects. While their presence as environmental pollutants is well known, their specific impact on platelet function and the associated cardiovascular risks remains poorly understood. METHODS: To explore how AA and BPA affect platelet physiology, we performed in vitro assays to assess platelet activation and aggregation following exposure to these compounds. We also used bioinformatic tools to identify potential protein targets in human platelets and carried out molecular docking simulations to investigate how AA and BPA interact with key enzymes involved in platelet regulation. RESULTS: Both AA and BPA exposure led to a significant increase in platelet activation and aggregation, suggesting an elevated risk of thrombosis. Proteomic analysis identified around 1,230 potential protein targets, with 191 affected by AA and 429 by BPA. These proteins are primarily involved in oxidative stress, apoptosis, and signaling pathways regulated by protein kinase C (PKC), p38α-MAPK, and superoxide dismutase (SOD). Molecular modeling further revealed that AA and BPA form stable complexes with several of these enzymes, indicating direct interference with platelet function. DISCUSSION AND CONCLUSION: Our study shows that AA and BPA can enhance platelet reactivity and aggregation, which are key factors in the development of cardiovascular disease (CVD). By identifying specific molecular pathways and targets affected by these pollutants, we provide new insights into their potential role in promoting thrombotic conditions. These findings highlight the urgent need for greater public health awareness and stronger regulatory efforts to reduce human exposure to AA and BPA.
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Weathered microplastics in human blood: unraveling the effect of structural changes at the particle surface on coagulation and platelet activation
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Researchers exposed human whole blood to microplastics that had been artificially aged to simulate real environmental weathering, finding that weathered plastics like polystyrene, PVC, and PET triggered significantly stronger blood clotting and platelet activation than fresh plastic particles. The findings suggest that the longer plastic sits in the environment and degrades, the more dangerous it may become to human cardiovascular health.
Unmasking the haemostatic potential of quotidian plastics: upon first glance
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This review pulls together over a decade of research on how everyday plastic chemicals—like BPA, phthalates, and micro/nanoplastics—may make blood cells (platelets) more likely to clump together and form dangerous clots, a risk factor for heart attacks and strokes. While bisphenols (found in things like plastic bottles and food packaging) have the most evidence so far, the overall findings suggest plastic exposure could be an overlooked contributor to rising heart disease rates, especially in younger people. Since these chemicals are barely regulated, the researchers argue this evidence should prompt closer safety oversight and more stud
Interaction of nanoplastics with platelets: activation and fibrin clot formation
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Scientists found that tiny plastic particles (nanoplastics), similar to those already detected in human blood, can quickly latch onto blood platelets, the cells responsible for clotting, and switch them into an "activated" state within minutes. This activation caused blood to form denser, thicker clots than normal, suggesting that everyday plastic exposure could potentially raise the risk of unwanted blood clots and cardiovascular problems. This was a lab study using blood samples, so more research is needed to confirm these effects happen in the body over time.
Bisphenols-enhanced platelet aggregation via TP, P2Y12, PAR1 and PAR4 receptors: a thrombotic legacy in a plastic-ubiquitous world.
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BPA and similar chemicals found in plastics (including "BPA-free" alternatives like BPF and BPS) made blood platelets clump together more intensely and for longer when tested with human blood samples—a process that can trigger dangerous clots linked to heart attacks and strokes. Even the substitutes marketed as safer alternatives to BPA showed this clot-promoting effect, and in some cases were even more potent, suggesting that swapping one bisphenol for another may not actually reduce health risks. While this research was done on blood samples rather than in living people, it adds to growing evidence that everyday plastic exposure could be qu
Circulating Microplastics as Acute Triggers of Platelet Activation and Coagulation: Implications for Cardiovascular Risk
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Researchers exposed human platelets to nanoplastics and found direct activation of platelet aggregation and coagulation pathways at environmentally relevant concentrations. The results suggest that circulating microplastics and nanoplastics could act as acute triggers of thrombosis, with implications for cardiovascular disease risk.
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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.