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61,005 resultsShowing papers similar to Combined neurotoxicity of aged microplastics and thiamethoxam in the early developmental stages of zebrafish (Danio rerio)
ClearSynergistic neurotoxicity of clothianidin and photoaged microplastics in zebrafish: Implications for neuroendocrine disruption
This study found that photoaged (sun-weathered) microplastics absorb more of the insecticide clothianidin than fresh plastics, and the combination caused greater nerve damage in zebrafish larvae than either pollutant alone. The results demonstrate how weathered microplastics in the environment can amplify the toxicity of other chemicals they encounter, creating compound exposure risks for aquatic life and potentially for humans through the food chain.
Toxic effects of polystyrene microplastics on atrazine in zebrafish: Exogenous toxicity and endogenous mechanism
Researchers found that combining polystyrene microplastics with the common herbicide atrazine was more toxic to zebrafish than either pollutant alone, causing greater liver and gut damage. The combination also degraded water quality by reducing oxygen levels and increasing harmful nitrogen compounds. This is important because microplastics and pesticides frequently co-exist in the environment, meaning their combined effects on aquatic life and food safety may be worse than studies of individual pollutants suggest.
Synergetic effects of polyethylene microplastic and abamectin pesticides on the eyes of zebrafish larvae and adults through activation of apoptosis signaling pathways
Researchers exposed zebrafish to polyethylene microplastics and the pesticide abamectin, both individually and in combination, and found that the mixture caused significantly worse eye damage and lower survival rates than either pollutant alone. The combined exposure triggered higher levels of oxidative stress and activated cell death pathways in eye tissues. The study reveals that microplastics and pesticides can interact to produce amplified toxic effects on aquatic organisms, particularly affecting their vision.
Neurobehavioral toxicity induced by combined exposure of micro/nanoplastics and triphenyltin in marine medaka (Oryzias melastigma)
When marine medaka fish were exposed to both nanoplastics and the toxic chemical triphenyltin together, they showed much worse nerve and behavioral damage than from either pollutant alone. The combined exposure significantly reduced the fish's swimming ability and disrupted neural gene expression, with smaller nanoplastics causing more severe effects than larger microplastics. This highlights that real-world conditions, where microplastics coexist with other pollutants, may produce amplified toxic effects on the nervous system.
Synergistic neurotoxicity of polystyrene nanoparticles and MEHP in zebrafish (Danio rerio)
Researchers exposed zebrafish to polystyrene nanoparticles and MEHP (a phthalate plasticizer breakdown product) individually and in combination, finding synergistic neurotoxicity in co-exposed larvae driven by oxidative stress that disrupted glycerophospholipid metabolism and cholinergic neurotransmitter synthesis — with combined exposure amplifying bioaccumulation and embryonic cell death beyond what either pollutant caused alone.
Effects of single and combined exposure of virgin or aged polyethylene microplastics and penthiopyrad on zebrafish (Danio rerio)
This study found that polyethylene microplastics can increase the toxicity of a common fungicide (penthiopyrad) in zebrafish by helping the chemical build up in their bodies. The combination caused more intestinal damage and disrupted gut bacteria than either pollutant alone. This highlights an important concern: microplastics in the environment can act as carriers for pesticides, potentially amplifying their harmful effects on organisms including those in the human food chain.
Single and combined effects of polyethylene microplastics and acetochlor on accumulation and intestinal toxicity of zebrafish (Danio rerio)
This study found that polyethylene microplastics significantly increased the toxicity of acetochlor, a common herbicide, in zebrafish. The microplastics boosted the accumulation of the pesticide in fish tissues and worsened intestinal damage including inflammation and disrupted gut barrier function. The findings are important because microplastics and pesticides frequently co-exist in agricultural waterways, and their combination may pose greater risks than either pollutant alone.
Combined toxic effects of polyethylene microplastics and lambda-cyhalothrin on gut of zebrafish (Danio rerio)
Researchers found that polyethylene microplastics can adsorb the pesticide lambda-cyhalothrin from water and then release it in the guts of zebrafish, worsening its toxic effects. Fish exposed to both microplastics and the pesticide showed greater oxidative stress, immune disruption, and gut microbiome changes than those exposed to the pesticide alone. This demonstrates how microplastics can act as carriers that amplify the toxicity of other environmental pollutants in aquatic organisms consumed by humans.
Individual and Combined Toxic Effects of Nano-ZnO and Polyethylene Microplastics on Mosquito Fish (Gambusia holbrooki)
Researchers studied the individual and combined effects of polyethylene microplastics and zinc oxide nanoparticles on mosquito fish. The combination caused greater damage to liver tissue, blood parameters, and antioxidant systems than either pollutant alone. The findings suggest that microplastics interacting with other environmental contaminants can amplify toxic effects in aquatic organisms.
Enhanced neurotoxic effect of PCB-153 when co-exposed with polystyrene nanoplastics in zebrafish larvae
Researchers found that when zebrafish larvae were exposed to both polystyrene nanoplastics and the toxic chemical PCB-153 together, the neurological damage was significantly worse than from either pollutant alone. The combined exposure caused hyperactive swimming behavior and suppressed immune, brain, and detoxification pathways at the genetic level. This is concerning because nanoplastics and persistent organic pollutants frequently co-exist in the environment, meaning their real-world health effects on aquatic life and humans may be greater than studies of single pollutants suggest.
Toxic Effects of Polystyrene Microplastics and Sulfamethoxazole on Early Neurodevelopment in Embryo–Larval Zebrafish (Danio rerio)
Researchers exposed embryo-larval zebrafish to polystyrene microplastics and the antibiotic sulfamethoxazole to assess their individual and combined effects on early neurodevelopment. The study found that both contaminants individually caused neurodevelopmental toxicity, and their combination produced a significant synergistic effect, suggesting that co-exposure to microplastics and antibiotics may pose greater risks than either pollutant alone.
Co-exposure to polystyrene microplastics and cypermethrin enhanced the effects on hepatic phospholipid metabolism and gut microbes in adult zebrafish
When zebrafish were exposed to both polystyrene microplastics and the pesticide cypermethrin together, the combination caused significantly more liver damage than either pollutant alone. The mixture disrupted fat metabolism in the liver and altered gut bacteria in ways not seen with individual exposures. This matters because microplastics and pesticides frequently co-exist in waterways, and their combined effects on fish health could affect the safety of fish as food.
Combined impacts of organophosphate pesticide and polyamide microplastics on growth, hematology, and immune responses in juvenile striped catfish (Pangasianodon hypophthalmus)
Researchers exposed juvenile striped catfish to both polyamide microplastics and an organophosphate pesticide, finding that the combination caused more severe growth reduction, immune suppression, and organ damage than either pollutant alone — evidence that microplastics and pesticides can act together to amplify harm in freshwater fish.
Combined toxicity of polyethylene micro/nanoplastics and PFOA in zebrafish (Danio rerio): Impacts on antioxidant, neurotransmission, and gut microbiota
Researchers exposed zebrafish to polyethylene micro/nanoplastics and the industrial pollutant PFOA individually and in combination, assessing antioxidant capacity, neurotransmission, and gut microbiome composition. Combined exposure caused greater oxidative stress, more severe neurotransmitter disruption, and larger gut microbiome shifts than either contaminant alone, highlighting synergistic risks of co-occurring plastic and PFAS pollution.
Toxicity of mixture of polyethylene microplastics and Up Grade® pesticide on Oreochromis niloticus juvenile: I. Hemato-biochemical and histopathological alterations
Researchers exposed juvenile Nile tilapia to a pesticide and polyethylene microplastics, both individually and in combination, and measured blood chemistry changes and organ damage over 15 days. The combination treatment caused more severe effects than either pollutant alone, including reduced red blood cell counts, elevated liver enzymes, and significant tissue damage to the gills and intestines. The study demonstrates that microplastics can worsen the toxic effects of agricultural pesticides on commercially important fish species.
Adverse effects of polystyrene nanoplastic and its binary mixtures with nonylphenol on zebrafish nervous system: From oxidative stress to impaired neurotransmitter system
Researchers investigated the individual and combined effects of polystyrene nanoplastics and the industrial chemical nonylphenol on the zebrafish nervous system over 45 days. Both substances induced oxidative stress and disrupted neurotransmitter systems, with combined exposure generally producing more severe effects on glutamate metabolism and brain tissue damage. The study suggests that the interaction between nanoplastics and co-occurring environmental pollutants can amplify neurotoxic effects in fish.
Combined hepatotoxicity of imidacloprid and microplastics in adult zebrafish: Endpoints at gene transcription
Researchers investigated the combined liver toxicity of the pesticide imidacloprid and polystyrene microplastics in adult zebrafish over 21 days. The combination caused greater changes in gene expression related to fat and sugar metabolism and inflammatory responses than either contaminant alone. The study suggests that even low concentrations of microplastics and pesticides together may produce more severe hepatotoxic effects than individual exposures.
The Role of Synthetic Polymers in the Aquatic Environment and Its Implications in Danio Rerio as a Model Organism
Exposing zebrafish to polystyrene microplastics combined with silver nanoparticles caused significantly more oxidative damage, tissue injury in gills and intestines, and higher mortality than either contaminant alone. The study demonstrates that microplastics can act as carriers that enhance the toxicity of co-pollutants like silver nanoparticles, a combination effect that is highly relevant to understanding real-world aquatic contamination where multiple pollutants co-occur.
Insights into the combined toxic impacts of phoxim and deltamethrin on the embryo-larval stage of zebrafish (Danio rerio)
Researchers found that combined exposure to the pesticides phoxim and deltamethrin produced synergistic toxic effects on zebrafish embryos and larvae, causing developmental abnormalities and oxidative stress greater than either compound alone, underscoring the risks of pesticide mixture exposures.
Combined effects of polyethylene terephthalate and abamectin on enzymatic activity and histopathology response in juvenile zebrafish (Danio rerio)
Researchers studied the combined effects of PET microplastic fragments and the pesticide abamectin on juvenile zebrafish over 96 hours. They found that microplastics increased the bioavailability and toxicity of the pesticide by inhibiting protective enzymes in the fish, and the combination caused tissue damage in the liver and kidney. The study highlights that microplastics can act as carriers for other environmental contaminants, amplifying their harmful effects on aquatic life.
Co-Exposure of Microplastics and Avermectin at Environmental-Related Concentrations Caused Severe Heart Damage Through ROS-Mediated MAPK Signaling in Larval and Adult Zebrafish
Researchers co-exposed zebrafish larvae and adults to polystyrene microplastics and the agricultural pesticide avermectin and assessed cardiac toxicity. Combined exposure caused more severe heart damage than either substance alone, mediated through reactive oxygen species and MAPK signaling, with large microplastics intensifying the cardiotoxic effect of avermectin.
Study of the toxicological effects of emerging contaminants on Daphnia similis associating polyethylene microplastics with the agrochemical imidacloprid.
Brazilian researchers tested the ecotoxicological effects of combining polyethylene microplastics with the insecticide imidacloprid on the freshwater crustacean Daphnia, finding combined exposures were more toxic than either pollutant alone. These results suggest that microplastics and pesticides together pose greater risks to aquatic organisms than studies of single pollutants indicate.
Polystyrene nanoplastics enhance the toxicological effects of DDE in zebrafish (Danio rerio) larvae
Researchers found that polystyrene nanoplastics enhanced the toxicity of the pesticide metabolite DDE in zebrafish larvae, with co-exposure causing greater developmental abnormalities and oxidative stress than either pollutant alone.
Combined effects of co-exposure to microcystin-LR and polystyrene microplastics on growth, brain pathology and thyroid hormone homeostasis in adult zebrafish
Researchers exposed zebrafish to microcystin-LR (a toxin from algal blooms) combined with polystyrene microplastics and found that the combination caused significantly worse brain damage and thyroid hormone disruption than either pollutant alone. The microplastics appeared to overwhelm the fish's ability to compensate for the algal toxin, leading to hormone imbalances that could affect growth and development. This is concerning because algal blooms and microplastics frequently occur together in polluted waterways, and their combined effects on the hormone system may be worse than expected.