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61,005 resultsShowing papers similar to Microplastics in aquaculture - Potential impacts on inflammatory processes in Nile tilapia
ClearOccurrence of micro- nanoplastics in a commercial recirculated aquaculture system and their translocation to cultured fish organs: A baseline study
Researchers found microplastics and nanoplastics inside the muscle, brain, and gut of Nile tilapia raised in a commercial fish farm that uses recirculated water, identifying multiple plastic polymer types in fish tissue — a finding that suggests farmed fish are a direct route for microplastic exposure in people who eat them.
Deleterious Effects of Polypropylene Microplastic Ingestion in Nile Tilapia (Oreochromis niloticus)
Researchers fed Nile tilapia daily doses of polypropylene microplastics for 30 days and observed significant health effects including changes in blood cell counts, altered gut bacteria, and tissue damage to the intestines and liver. The higher dose group showed more pronounced effects, including elevated inflammatory markers and signs of oxidative stress. The study provides evidence that chronic ingestion of microplastics commonly found in aquatic environments can cause meaningful harm to a widely consumed fish species.
Effects of Microplastics on Gene Expression, Muscular Performance, and Immunological Responses in Nile Tilapia (Oreochromis niloticus): Seasonal and Habitat Variations
Researchers found microplastics in both the gut and muscle tissue of Nile tilapia fish from two sites along the Nile River in Egypt, with contamination levels varying by season and location. The microplastics activated genes linked to muscle wasting, cell death, and inflammation while suppressing growth-related genes, with the worst effects seen during summer months. Since tilapia is a widely consumed fish, these findings raise concerns about microplastic-related damage being passed to humans through the food supply.
Microplastics induced histopathological lesions in some tissues of tilapia (Oreochromis niloticus) early juveniles
Researchers exposed young tilapia fish to different concentrations of microplastics for 15 days to study effects on their organs. The study found damage across multiple tissues including the kidney, liver, pancreas, gills, and muscles, with effects ranging from inflammation and cell death to structural deformation. These findings suggest that microplastic exposure can cause widespread organ damage in fish even at relatively low concentrations.
Toxicological assessment of dietary exposure of polyethylene microplastics on growth, nutrient digestibility, carcass and gut histology of Nile Tilapia (Oreochromis niloticus) fingerlings
Researchers fed Nile tilapia fish diets containing different amounts of polyethylene microplastics and found that higher levels significantly reduced growth, nutrient absorption, and body composition. Fish exposed to the highest microplastic concentration (10%) showed severe gut damage visible under a microscope. Since tilapia is widely farmed for human consumption, these findings raise concerns about microplastic contamination affecting both fish health and the safety of farmed seafood.
Microplastics in aquaculture fish - investigating microplastic exposure in Nile Tilapia
Researchers investigated whether microplastics ingested by Nile tilapia translocate from the gut to internal organs and edible tissues, examining liver, gonads, and fillet in adult fish. Microplastics were detected in all three tissue types beyond the gut, confirming translocation and raising food safety concerns for aquaculture tilapia consumers.
Effects of Microplastics on the Oxygen Consumption and Histological Changes of the Cultured Nile Tilapia Oreochromis niloticus
This study found that microplastic exposure caused tissue damage in the gills and intestines of tilapia fish, with higher concentrations leading to more severe changes. Since tilapia is widely consumed worldwide, these findings raise questions about whether microplastics in farmed fish could affect the quality and safety of the seafood on our plates.
Histological and Histochemical Effects of Microplastics Administration in Oreochromis niloticus Fingerlings
Researchers exposed Nile tilapia to two types of microplastics and examined histological and histochemical changes in gills, liver, and kidneys, finding tissue-level damage that demonstrates the harmful effects of microplastic ingestion on vital fish organs.
Microplastic contamination in the aquaculture icon Oreochromis mossambicus: Prevalence, characteristics, and comprehensive overview
Researchers investigated microplastic contamination in the Mozambique tilapia, a widely farmed fish species in India, and found microplastics present in the digestive tracts of sampled fish. The most common types were fibers and fragments made of polyethylene and polypropylene. The study raises concerns about microplastic transfer through aquaculture to human consumers, given the growing importance of tilapia farming and the rising levels of plastic pollution in Indian freshwater systems.
Understanding the sources, fate and effects of microplastics in aquatic environments with a focus on risk profiling in aquaculture systems
This review summarizes how microplastics enter aquaculture systems and accumulate in farmed fish, causing toxic effects including immune disruption, oxidative stress, and genetic damage. Since farmed fish are a major food source, the buildup of microplastics in aquaculture poses a direct pathway for these particles to reach human diets.
Evaluation of Toxicological Risks and Effects of Microplastics on Nile Tilapia (Oreochromisniloticus) under in Vitro Laboratory Conditions
This laboratory study evaluated the toxicological effects of microplastics on Nile tilapia (Oreochromis niloticus) under controlled conditions, finding measurable harm at the concentrations tested. The results have implications for managing fish health in aquaculture operations with microplastic-contaminated water.
Data set to 'Microplastics in aquaculture - potential impacts on inflammatory processes in Nile tilapia'
This entry is a dataset record associated with a published study on microplastic effects on inflammatory processes in Nile tilapia fish raised in aquaculture. The dataset itself does not contain a narrative abstract.
Effect of polystyrene microplastics on the antioxidant system and immune response in GIFT (Oreochromis niloticus)
Farmed tilapia exposed to polystyrene microplastics of different sizes showed elevated oxidative stress and immune inflammation markers, particularly in the brain, compared to unexposed fish. The findings suggest chronic microplastic exposure can impair immune defenses in commercially important freshwater fish, raising concerns for both aquaculture and wild fisheries.
Effects of microplastics in freshwater fishes health and the implications for human health
This review examines how microplastics affect the health of freshwater fish, which are a major protein source for billions of people. Fish ingest microplastics that accumulate in their guts, gills, and tissues, leading to inflammation, oxidative stress, and disrupted growth. Since microplastics in fish tissue can transfer to humans through the food chain, this is relevant to both ecosystem and human health.
Occurrence of Microplastics in the Tissues of Nile Tilapia (Orechromis niloticus) from Zobe Dam, Katsina State, Nigeria
This study found microplastics in the tissues of Nile tilapia cultured in freshwater, with particles identified in gills, intestines, and muscle tissue. The results highlight the potential for microplastic transfer from farmed fish to human consumers.
Microplastics and nanoplastics induced differential respiratory damages in tilapia fish Oreochromis niloticus
Researchers exposed tilapia fish to polystyrene particles of three sizes at environmentally realistic levels and found that all sizes caused respiratory damage, with the medium and large microplastics causing more severe breathing problems than the smallest nanoparticles. The microplastics disrupted energy production in gill tissue and triggered immune responses. Since tilapia is a widely farmed and consumed fish, these findings raise concerns about both fish welfare in plastic-contaminated waters and the quality of farmed fish as food.
Assessment of dietary polyvinylchloride, polypropylene and polyethylene terephthalate exposure in Nile tilapia, Oreochromis niloticus: Bioaccumulation, and effects on behaviour, growth, hematology and histology
Nile tilapia fish fed three common types of microplastics (PVC, polypropylene, and PET) showed reduced growth, abnormal behavior, blood cell damage, and tissue damage in their gills, liver, and intestines. The harmful effects increased with higher doses of microplastics and varied by plastic type. Since tilapia is one of the most widely consumed fish globally, these findings raise concerns about the health of fish that may carry microplastic contamination to human diets.
Microplastics in Tilapia Fish (Oreochromis Niloticus) Cultured at Magat Dam Reservoir
This study investigated microplastic contamination in Nile tilapia cultured in Magat Dam Reservoir in the Philippines, identifying particles in digestive tracts and gill tissues. The findings raise concerns about microplastic accumulation in farmed freshwater fish destined for human consumption.
Microplastics induce transcriptional changes, immune response and behavioral alterations in adult zebrafish
Researchers exposed adult zebrafish to polyethylene and polystyrene microplastics for twenty days and analyzed the effects at the genetic, tissue, and behavioral levels. They found significant changes in immune system genes, disrupted intestinal and gill tissue integrity, and increased presence of inflammatory cells. The study suggests that microplastic exposure may compromise fish defenses against pathogens by weakening the protective barriers of their mucosal tissues.
Size-Dependent Uptake and Depuration of Nanoplastics in Tilapia (Oreochromis niloticus) and Distinct Intestinal Impacts
Researchers tracked how tilapia fish absorb and eliminate nanoplastics of two sizes (86 and 185 nanometers) and found that both accumulated most heavily in the intestine. Smaller nanoplastics caused more physical damage to the intestinal lining, while larger ones disrupted the gut microbiome more severely. Since tilapia is widely consumed worldwide, the finding that nanoplastics build up in fish tissue and damage their guts raises concerns about the safety of farmed fish as food.
Correlation of Water Quality with Microplastic Exposure Prevalence in Tilapia (Oreochromis niloticus)
Researchers exposed tilapia to polyethylene microplastics at three concentrations and assessed effects on water quality and microplastic accumulation in gastrointestinal, liver, gill, and gonad tissues, finding that higher concentrations were associated with elevated microplastic prevalence and tissue-specific accumulation patterns.
How do fish consume microplastics? An experimental study on accumulation pattern using Nile tilapia (Oreochromis niloticus)
Researchers fed Nile tilapia in controlled lab conditions to study how microplastics accumulate in fish organs. They found that most microplastics came from the fish feed rather than from particles floating in the water, and that the digestive tract accumulated the most particles while muscles, the part humans typically eat, contained the smallest sizes. Twelve different polymer types were identified across the fish tissues.
Assessment the effect of exposure to microplastics in Nile Tilapia (Oreochromis niloticus) early juvenile: I. blood biomarkers
Researchers exposed juvenile Nile tilapia to different concentrations of microplastics for 15 days followed by a 15-day recovery period and measured blood biomarkers. They found dose-dependent changes in biochemical and hematological parameters, including elevated liver enzymes, altered blood cell counts, and increased glucose levels. Many of these effects persisted even after the recovery period, suggesting that microplastic exposure can cause lasting physiological stress in young freshwater fish.
Comprehensive understanding the impacts of dietary exposure to polyethylene microplastics on genetically improved farmed tilapia (Oreochromis niloticus): tracking from growth, microbiota, metabolism to gene expressions
Researchers investigated the impacts of dietary polyethylene microplastics on genetically improved farmed tilapia over nine weeks, tracking effects on growth, gut microbiota, liver metabolism, and gene expression. The study found that microplastic exposure altered gut microbial communities, disrupted liver metabolic processes, and affected gene expression in brain and liver tissues. The findings suggest that microplastic contamination in fish feed and aquatic environments poses risks to farmed fish health.