Toxicity and Functional Tissue Responses of Two Freshwater Fish after Exposure to Polystyrene Microplastics
Toxics2021
79 citations
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Score: 55
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Ioannis Sampsonidis,
Dimitra A. Lambropoulou
Dimitra Bobori,
Dimitra A. Lambropoulou
Dimitra Bobori,
Dimitra Bobori,
Dimitrios Ν. Bikiaris,
Dimitrios Ν. Bikiaris,
Anastasia Dimitriadi,
George Z. Kyzas,
Martha Kaloyianni,
Dimitrios Ν. Bikiaris,
Anastasia Dimitriadi,
Ioannis Sampsonidis,
Dimitra Bobori,
Konstantinos Feidantsis,
Konstantinos Feidantsis,
Dimitra A. Lambropoulou
Dimitrios Ν. Bikiaris,
Dimitrios Ν. Bikiaris,
Anastasia Dimitriadi,
Konstantinos Feidantsis,
Dimitrios Ν. Bikiaris,
Dimitrios Ν. Bikiaris,
Despoina Xanthopoulou,
Dimitrios Ν. Bikiaris,
Dimitrios Ν. Bikiaris,
Dimitra A. Lambropoulou
George Z. Kyzas,
George Z. Kyzas,
George Z. Kyzas,
Dimitra A. Lambropoulou
Dimitra A. Lambropoulou
Dimitra A. Lambropoulou
Dimitra A. Lambropoulou
George Z. Kyzas,
Dimitra A. Lambropoulou
Dimitra A. Lambropoulou
Dimitra A. Lambropoulou
George Z. Kyzas,
George Z. Kyzas,
Anastasia Dimitriadi,
Martha Kaloyianni,
Konstantinos Feidantsis,
Konstantinos Feidantsis,
George Z. Kyzas,
George Z. Kyzas,
Dimitra A. Lambropoulou
George Z. Kyzas,
Dimitrios Ν. Bikiaris,
Dimitrios Ν. Bikiaris,
Dimitrios Ν. Bikiaris,
Dimitrios Ν. Bikiaris,
Dimitrios Ν. Bikiaris,
Dimitrios Ν. Bikiaris,
Dimitrios Ν. Bikiaris,
Konstantinos Feidantsis,
Ioannis Sampsonidis,
Anastasia Dimitriadi,
Georgia Kastrinaki,
Glykeria Malioufa,
Glykeria Malioufa,
Dimitrios Ν. Bikiaris,
Dimitra A. Lambropoulou
Stavros Kalogiannis,
Dimitra A. Lambropoulou
Dimitrios Ν. Bikiaris,
George Z. Kyzas,
Dimitra Bobori,
Dimitrios Ν. Bikiaris,
Dimitra A. Lambropoulou
Dimitra A. Lambropoulou
George Z. Kyzas,
Ioannis Sampsonidis,
Dimitra A. Lambropoulou
George Z. Kyzas,
Dimitrios Ν. Bikiaris,
Anastasia Dimitriadi,
Anastasia Dimitriadi,
Konstantinos Feidantsis,
Ioannis Sampsonidis,
Martha Kaloyianni,
Ioannis Sampsonidis,
Dimitra A. Lambropoulou
Dimitra A. Lambropoulou
Dimitra Bobori,
Dimitra A. Lambropoulou
George Z. Kyzas,
Dimitra A. Lambropoulou
Dimitrios Ν. Bikiaris,
Stavros Kalogiannis,
Stavros Kalogiannis,
Dimitrios Ν. Bikiaris,
Dimitrios Ν. Bikiaris,
Dimitra A. Lambropoulou
Dimitra A. Lambropoulou
Dimitra A. Lambropoulou
Dimitra Bobori,
Dimitra Bobori,
Stavros Kalogiannis,
Georgia Kastrinaki,
Dimitrios Ν. Bikiaris,
George Z. Kyzas,
Stavros Kalogiannis,
Dimitrios Ν. Bikiaris,
Ioannis Sampsonidis,
Konstantinos Feidantsis,
Dimitra A. Lambropoulou
George Z. Kyzas,
Georgia Kastrinaki,
George Z. Kyzas,
Georgia Kastrinaki,
Dimitrios Ν. Bikiaris,
Dimitrios Ν. Bikiaris,
Dimitrios Ν. Bikiaris,
Georgia Kastrinaki,
George Z. Kyzas,
Georgia Kastrinaki,
Georgia Kastrinaki,
George Z. Kyzas,
Dimitra A. Lambropoulou
Dimitrios Ν. Bikiaris,
Dimitra A. Lambropoulou
George Z. Kyzas,
Dimitra A. Lambropoulou
Dimitra A. Lambropoulou
George Koumoundouros,
Anastasia Dimitriadi,
George Z. Kyzas,
Dimitra A. Lambropoulou
George Z. Kyzas,
Martha Kaloyianni,
Dimitra A. Lambropoulou
Dimitrios Ν. Bikiaris,
Dimitra A. Lambropoulou
Dimitrios Ν. Bikiaris,
Dimitrios Ν. Bikiaris,
Dimitra Bobori,
Dimitra Bobori,
George Koumoundouros,
Stavros Kalogiannis,
Dimitrios Ν. Bikiaris,
Stavros Kalogiannis,
George Z. Kyzas,
Dimitra A. Lambropoulou
Dimitra A. Lambropoulou
George Z. Kyzas,
George Z. Kyzas,
Dimitra A. Lambropoulou
Dimitra A. Lambropoulou
George Koumoundouros,
George Z. Kyzas,
George Z. Kyzas,
Dimitra A. Lambropoulou
George Koumoundouros,
Dimitrios Ν. Bikiaris,
Dimitrios Ν. Bikiaris,
George Koumoundouros,
George Z. Kyzas,
Dimitrios Ν. Bikiaris,
Martha Kaloyianni,
Martha Kaloyianni,
Dimitrios Ν. Bikiaris,
Dimitrios Ν. Bikiaris,
George Z. Kyzas,
Martha Kaloyianni,
Dimitra A. Lambropoulou
Summary
Researchers exposed zebrafish and perch to polystyrene microplastics for 21 days and assessed tissue-level damage using a battery of biomarkers. They found that the microplastics caused oxidative stress, DNA damage, and activated cell death pathways in both gill and liver tissues. The study suggests that gills are more sensitive to microplastic exposure than liver tissue for most measured parameters, with DNA damage being the most responsive biomarker overall.
Microplastics (MPs)' ingestion has been demonstrated in several aquatic organisms. This process may facilitate the hydrophobic waterborne pollutants or chemical additives transfer to biota. In the present study the suitability of a battery of biomarkers on oxidative stress, physiology, tissue function and metabolic profile was investigated for the early detection of adverse effects of 21-day exposure to polystyrene microplastics (PS-MPs, sized 5-12 μm) in the liver and gills of zebrafish <i>Danio rerio</i> and perch, <i>Perca fluviatilis</i>, both of which are freshwater fish species. An optical volume map representation of the zebrafish gill by Raman spectroscopy depicted 5 μm diameter PS-MP dispersed in the gill tissue. Concentrations of PS-MPs close to the EC<sub>50</sub> of each fish affected fish physiology in all tissues studied. Increased levels of biomarkers of oxidative damage in exposed fish in relation to controls were observed, as well as activation of apoptosis and autophagy processes. Malondialdehyde (MDA), protein carbonyls and DNA damage responses differed with regard to the sensitivity of each tissue of each fish. In the toxicity cascade gills seemed to be more liable to respond to PS-MPs than liver for the majority of the parameters measured. DNA damage was the most susceptible biomarker exhibiting greater response in the liver of both species. The interaction between MPs and cellular components provoked metabolic alterations in the tissues studied, affecting mainly amino acids, nitrogen and energy metabolism. Toxicity was species and tissue specific, with specific biomarkers responding differently in gills and in liver. The fish species that seemed to be more susceptible to MPs at the conditions studied, was <i>P. fluviatilis</i> compared to <i>D. rerio</i>. The current findings add to a holistic approach for the identification of small sized PS-MPs' biological effects in fish, thus aiming to provide evidence regarding PS-MPs' environmental impact on wild fish populations and food safety and adequacy.