Effects of nanoplastics on antioxidant and immune enzyme activities and related gene expression in juvenile Macrobrachium nipponense

Journal of Hazardous Materials
Yiming LiYunlong Zhao

Abstract

Nanoplastics are widely distributed in aquatic environments, and nanoplastic pollution has become a global concern. However, few studies have evaluated the toxicity of nanoplastics to freshwater crustaceans. In this study, by adding different concentrations of nanoplastics to water, we explored the effects of nanoplastics on the survival, antioxidant activity, immune enzyme activity, and related gene expression levels in juvenile Macrobrachium nipponense. The results showed that the 96 -h half-lethal concentration of nanoplastics to juvenile shrimp was 396.391 mg/L. As the concentration of nanoplastics increased, the activities of antioxidant enzymes generally decreased, while the contents of hydrogen peroxide and lipid peroxidation products increased. The activities of non-specific immune enzymes first increased and then decreased with increasing nanoplastic concentration. The trends in the expressions of antioxidant-related genes were generally consistent with those in the activities of antioxidant enzymes. As the nanoplastic concentration increased, the expressions of immune-related genes generally increased at first and then decreased. These results indicate that low concentrations of nanoplastics (5 mg/L) may enhance the v...Continue Reading

Citations

Dec 22, 2020·The Science of the Total Environment·Ming LiYong Yu
Dec 23, 2020·Journal of Hazardous Materials·Abraão Tiago Batista GuimarãesGuilherme Malafaia
May 26, 2021·The Science of the Total Environment·Philippe J ThomasDaniel M Lyons
Jun 7, 2021·Environmental Pollution·Victor Carrasco-NavarroJose-Luis Martínez-Guitarte
Jun 15, 2021·Chemico-biological Interactions·Sathisaran UmamaheswariMathan Ramesh
Jul 8, 2021·Journal of Hazardous Materials·Evgenios AgathokleousEdward J Calabrese
Aug 23, 2021·Ecotoxicology and Environmental Safety·Long WangHui Wang
Nov 24, 2021·The Science of the Total Environment·Andraž DolarAnita Jemec Kokalj
Jan 26, 2022·Comparative Biochemistry and Physiology. Toxicology & Pharmacology : CBP·Yiming LiYunlong Zhao

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