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20 resultsShowing papers similar to Microplastics aggravate the adverse effects of methylmercury than inorganic mercury on zebrafish (Danio rerio)
ClearInfluence of microplastics on the accumulation and chronic toxic effects of cadmium in zebrafish (Danio rerio)
Researchers exposed zebrafish to polystyrene microplastics combined with cadmium for three weeks and found that the presence of microplastics significantly increased cadmium accumulation in the liver, gut, and gills. The combined exposure caused greater oxidative damage, tissue inflammation, and disruption of protective gene activity than either pollutant alone. The study demonstrates that microplastics can enhance the toxicity of heavy metals in fish by acting as carriers that increase the body's uptake of harmful substances.
Effects of microplastics on the accumulation and neurotoxicity of methylmercury in zebrafish larvae
Researchers found that microplastics can adsorb methylmercury and act as carriers, increasing its accumulation in zebrafish larvae and worsening neurotoxicity by disrupting locomotor activity and triggering oxidative stress.
Combined effects of microplastics and chemical contaminants on the organ toxicity of zebrafish ( Danio rerio )
Researchers studied the combined effects of microplastics and chemical contaminants like PCBs and methylmercury on zebrafish organs over three weeks of exposure. They found that microplastics carrying adsorbed contaminants produced the most significant effects, particularly on the liver, compared to either microplastics or contaminants alone. The results indicate that microplastics may act as carriers that increase the delivery of harmful chemicals to organisms' tissues.
Additive effects of microplastics on accumulation and toxicity of cadmium in male zebrafish
Researchers exposed adult zebrafish to polyethylene microplastics and cadmium, both individually and in combination, for 21 days. They found that microplastics and cadmium together produced additive toxic effects, increasing cadmium accumulation in fish tissues, altering behavior, and causing more severe organ damage. The study suggests that microplastics in contaminated waterways may worsen the harmful effects of heavy metals on aquatic life.
The Trojan horse effect of nanoplastics exacerbates methylmercury-induced neurotoxicity during zebrafish development
This zebrafish study showed that 250 nm polystyrene nanoplastics can act as a Trojan horse by enhancing methylmercury accumulation and directing it toward the head and eyes of larvae over 30 days. Combined exposure worsened behavioral impairment and developmental defects beyond what either contaminant caused alone.
Combined toxicity of microplastics and cadmium on the zebrafish embryos (Danio rerio)
Researchers exposed zebrafish embryos to polystyrene microplastics combined with cadmium to assess their combined toxic effects on aquatic organisms. The study found that co-exposure produced greater negative impacts on survival and heart rate than either pollutant alone, with toxicity increasing in a concentration-dependent manner.
Polystyrene microplastics enhance the microcystin-LR-induced gonadal damage and reproductive endocrine disruption in zebrafish
Zebrafish exposed to polystyrene microplastics along with microcystin-LR (a common toxin from algae blooms) suffered worse reproductive damage than when exposed to either pollutant alone. The microplastics acted as carriers that increased the amount of toxin accumulating in the fish's reproductive organs. This study demonstrates that microplastics can worsen the effects of other water pollutants by helping toxic chemicals build up in the body.
Sorption of PFOS onto polystyrene microplastics potentiates synergistic toxic effects during zebrafish embryogenesis and neurodevelopment
Researchers found that polystyrene microplastics can absorb PFOS (a persistent industrial chemical) from water and deliver it to zebrafish embryos in a more concentrated form. The combination caused worse developmental problems than either pollutant alone, including delayed hatching, higher death rates, birth defects, and impaired brain development. This shows microplastics can act as carriers that intensify the toxic effects of other environmental chemicals.
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.
Polystyrene microplastics (PS-MPs) harness copper presence and promote impairments in early zebrafish (Danio rerio) larvae: Developmental, biochemical, transcriptomic approaches and nontargeted metabolomics approaches
This zebrafish study found that polystyrene microplastics combined with copper produced worse toxic effects than either pollutant alone, causing developmental problems, oxidative stress, immune disruption, and nerve damage in larvae. The combination also disrupted the fish's metabolism in ways that neither pollutant caused independently. This is concerning because microplastics readily absorb heavy metals like copper in the environment, meaning organisms are often exposed to both together.
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.
Combined effects of polystyrene microplastics and cadmium on oxidative stress, apoptosis, and GH/IGF axis in zebrafish early life stages
Researchers exposed zebrafish embryos to polystyrene microplastics and cadmium, both alone and together, and found that the combination caused significantly worse effects than either pollutant individually. Co-exposure amplified oxidative stress, increased cell death in the spine and esophagus, and disrupted growth hormone pathways more severely than single exposures. The findings suggest that microplastics and heavy metals in waterways may interact to create heightened risks for developing fish.
Microcystin-LR and polystyrene microplastics jointly lead to hepatic histopathological damage and antioxidant dysfunction in male zebrafish
This study exposed zebrafish to a common water toxin (microcystin-LR) both alone and combined with polystyrene microplastics, and found that the microplastics made the liver damage significantly worse. The microplastics acted as carriers, increasing how much toxin accumulated in the fish liver and amplifying oxidative stress. This is relevant to human health because it shows microplastics can boost the harmful effects of other pollutants commonly found in drinking water sources.
Toxicological effects of microplastics and phenanthrene to zebrafish (Danio rerio)
Researchers exposed zebrafish to polystyrene microplastics, the pollutant phenanthrene, and a combination of both to assess their toxicity over 24 days. They found that co-exposure amplified oxidative stress, suppressed immune gene expression, and significantly disrupted the gut microbiome compared to either contaminant alone. The study suggests that microplastics can worsen the toxic effects of organic pollutants in aquatic organisms by altering how chemicals accumulate and interact in the body.
Comparison of the combined toxicity of polystyrene microplastics and different concentrations of cadmium in zebrafish
Researchers studied the combined toxic effects of polystyrene microplastics and cadmium at different concentrations in zebrafish over a 10-day exposure period. The study found that microplastics could either amplify or reduce cadmium toxicity depending on the metal concentration, affecting survival, growth, and antioxidant responses in complex ways.
The combined toxic effects of polystyrene microplastics and different forms of arsenic on the zebrafish embryos (Danio rerio)
Researchers studied how polystyrene microplastics interact with different forms of arsenic and their combined effects on zebrafish embryos. The microplastics absorbed arsenic from the water and altered how the toxic metal accumulated in zebrafish tissues, changing its toxicity profile. The findings suggest that microplastics in the environment can modify how other pollutants affect living organisms, potentially making combined exposures more harmful than expected.
Microplastics increase mercury bioconcentration in gills and bioaccumulation in the liver, and cause oxidative stress and damage in Dicentrarchus labrax juveniles
Researchers exposed juvenile European sea bass to mercury, microplastics, and their mixture for 96 hours and found that microplastics increased mercury bioconcentration in gills and bioaccumulation in the liver. The combination of microplastics and mercury also caused greater oxidative stress and lipid damage than either contaminant alone, suggesting microplastics may amplify the toxicity of co-occurring pollutants.
Single and combined acute and subchronic toxic effects of microplastics and copper in zebrafish (Danio rerio) early life stages
Researchers exposed zebrafish embryos and larvae to microplastics, copper, and their combinations to assess individual and combined toxic effects. They found that microplastics alone caused limited harm, but when combined with copper, the mixture produced altered biochemical responses and changes in gene expression. The study suggests that microplastics can modify the toxicity of heavy metals in aquatic organisms during early development.
Polystyrene microplastics modulate the toxic effects of bisphenol A in the early stages of zebrafish development
This study investigated whether polystyrene microplastics affect the toxicity of bisphenol A (BPA) during zebrafish embryo development by co-exposing fish to both contaminants. The PS microplastics modulated BPA toxicity in complex ways—in some developmental endpoints amplifying harm, in others providing partial protection—underscoring the unpredictability of combined plastic-chemical exposures.
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.