J 2021

Do foodborne polyethylene microparticles affect the health of rainbow trout (Oncorhynchus mykiss)?

HODKOVICOVA, N.; A. HOLLEROVA; H. CALOUDOVA; J. BLAHOVA; Aleš FRANC et al.

Základní údaje

Originální název

Do foodborne polyethylene microparticles affect the health of rainbow trout (Oncorhynchus mykiss)?

Autoři

HODKOVICOVA, N.; A. HOLLEROVA; H. CALOUDOVA; J. BLAHOVA; Aleš FRANC; Michaela GARAJOVÁ; J. LENZ; F. TICHY; M. FALDYNA; P. KULICH; J. MARES; R. MACHAT; V. ENEVOVA a Z. SVOBODOVA

Vydání

Science of the Total Environment, Amsterdam, Elsevier Science, 2021, 0048-9697

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

30104 Pharmacology and pharmacy

Stát vydavatele

Nizozemské království

Utajení

není předmětem státního či obchodního tajemství

Odkazy

Impakt faktor

Impact factor: 10.754

Kód RIV

RIV/00216224:14160/21:00122347

Organizační jednotka

Farmaceutická fakulta

UT WoS

000691602900011

EID Scopus

2-s2.0-85108451625

Klíčová slova anglicky

Salmonidae; Antioxidant capacity; Plastic; Immunity; Toxicology; Electron microscopy

Štítky

Příznaky

Mezinárodní význam, Recenzováno
Změněno: 16. 9. 2021 07:58, Mgr. Hana Hurtová

Anotace

V originále

Due to the fact that plastic pollution is a global environmental problem of modern age, studies on the impact of these synthetic materials on aquatic, and especially fish organisms, are an important part of the ecosystem and human nutrition. In our study, the toxicity of pristine polyethylene (PE) microparticles (approx. 50 mu m) on rainbow trout (Oncorhynchus mykiss) was tested in three different dietary concentrations - 0.5%, 2% and 5%. After six weeks of exposure, various health indices were evaluated. Electron microscopy of the intestine revealed the disintegration of PE particles to <5 mu m in size, and thus we concluded that microplastics are able to reach tissues. The haematological profile revealed changes in total red blood cells count and haematocrit (5% PE) which could be associated with spleen congestion observed histologically. The marker of lipid peroxidation was increased in gills suggesting the disruption of balance in antioxidant enzymes capacity and histopathological imaging revealed inflammation in higher PE concentrations. In addition, ammonia was decreased and calcium elevated in biochemical profile, confirming the gill damage. Electron microscopy of the gills showed lesions of lamellae and visible rings around the mucinous cell opening indicating their higher activity. Another injured was the liver tissue, as confirmed by hepatodystrophies and increased expression of pro-inflammatory genes in 2% PE. Impaired innate immunity was confirmed by an increased presence of mucinous cells and a decrease in leukocytes. Kidney damage manifested itself by higher expression of pro-inflammatory cytokines and histopathology. The damage in gills, liver and kidney together correlated with the increased antioxidant capacity of plasma. In conclusion, PE microparticles are able to affect health indices of O. mykiss. The potential problem for aquatic ecosystems and even human consumption should be considered. (c) 2021 Elsevier B.V. All rights reserved.