{"id":28491,"date":"2020-10-19T13:22:56","date_gmt":"2020-10-19T11:22:56","guid":{"rendered":"https:\/\/oneearth-oneocean.com\/2020\/10\/19\/in-vitro-effects-of-virgin-microplastics-on-fish-head-kidney-leucocyte-activities\/"},"modified":"2023-07-05T07:58:55","modified_gmt":"2023-07-05T05:58:55","slug":"in-vitro-effects-of-virgin-microplastics-on-fish-head-kidney-leucocyte-activities","status":"publish","type":"post","link":"https:\/\/oneearth-oneocean.com\/en\/international-marine-litter-database-en-2\/2020\/in-vitro-effects-of-virgin-microplastics-on-fish-head-kidney-leucocyte-activities\/","title":{"rendered":"In\u00a0vitro effects of virgin microplastics on fish head-kidney leucocyte activities"},"content":{"rendered":"

Crist\u00f3bal Espinosa, Jos\u00e9 Mar\u00eda Garc\u00eda Beltr\u00e1n, Mar\u00eda Angeles Esteban, Alberto Cuesta,<\/p>\n

In\u00a0vitro effects of virgin microplastics on fish head-kidney leucocyte activities,
\nEnvironmental Pollution, Volume 235, 2018, Pages 30-38, ISSN 0269-7491,<\/p>\n

Abstract:<\/p>\n

Microplastics are well-documented pollutants in the marine environment that result from production or fragmentation of larger plastic items. The knowledge about the direct effects of microplastics on immunity, including fish, is still very limited. We investigated the in\u00a0vitro effects of microplastics [polyvinylchloride (PVC) and polyethylene (PE)] on gilthead seabream (Sparus aurata) and European sea bass (Dicentrarchus labrax) head-kidney leucocytes (HKLs).
\nAfter 1 and 24\u202fh of exposure of HKLs with 0 (control), 1, 10 and 100\u202fmg\u202fmL\u22121 MPs in
\na rotatory system, cell viability, innate immune parameters (phagocytic, respiratory burst and peroxidase activities) and the expression of genes related to inflammation (il1b), oxidative stress (nrf2, prdx3), metabolism of xenobiotics (cyp1a1, mta) and cell apoptosis (casp3) were studied.
\nMicroplastics failed to affect the cell viability of HKLs. In addition, they provoke very few significant effects on the main cellular innate immune activities, as decrease on phagocytosis or increase in the respiratory burst of HKLs with the highest dose of microplastics tested.
\nFurthermore, microplastics failed to affect the expression of the selected genes on sea bass or seabream, except the nrf2 which was up-regulated in seabream HKLs incubated with the highest doses. Present results seem to suggest that continue exposure of fish to PVC or PE microplastics could impair fish immune parameters probably due to the
\noxidative stress produced in the fish leucocytes.<\/p>\n

https:\/\/drive.google.com\/open?id=1Qt2ktad3nb3dXbpFtABXNOYqLJWOnhDu<\/a><\/p>\n

https:\/\/doi.org\/10.1016\/j.envpol.2017.12.054.(http:\/\/www.sciencedirect.com\/science\/article\/pii\/S0269749117331317)<\/p>\n","protected":false},"excerpt":{"rendered":"

Crist\u00f3bal Espinosa, Jos\u00e9 Mar\u00eda Garc\u00eda Beltr\u00e1n, Mar\u00eda Angeles Esteban, Alberto Cuesta, In\u00a0vitro effects of virgin microplastics on fish head-kidney leucocyte activities, Environmental Pollution, Volume 235, 2018, Pages 30-38, ISSN 0269-7491, Abstract: Microplastics are well-documented pollutants in the marine environment that result from production or fragmentation of larger plastic items. The knowledge about the direct effects of microplastics on immunity, including fish, is still very limited. We investigated the in\u00a0vitro effects of microplastics [polyvinylchloride (PVC) and polyethylene (PE)] on gilthead seabream (Sparus aurata) and European sea bass (Dicentrarchus labrax) head-kidney leucocytes (HKLs). After 1 and 24\u202fh of exposure of HKLs with 0 (control), 1, 10 and 100\u202fmg\u202fmL\u22121 MPs in a rotatory system, cell viability, innate immune parameters (phagocytic, respiratory burst and peroxidase activities) and the expression of genes related to inflammation (il1b), oxidative stress (nrf2, prdx3), metabolism of xenobiotics (cyp1a1, mta) and cell apoptosis (casp3) were studied. Microplastics failed to affect the cell viability of HKLs. In addition, they provoke very few significant effects on the main cellular innate immune activities, as decrease on phagocytosis or increase in the respiratory burst of HKLs with the highest dose of microplastics tested. Furthermore, microplastics failed to affect the expression of the selected genes on sea bass or seabream, except the nrf2 which was up-regulated in seabream HKLs incubated with the highest doses. Present results seem to suggest that continue exposure of fish to PVC or PE microplastics could impair fish immune parameters probably due to the oxidative stress produced in the fish leucocytes. https:\/\/drive.google.com\/open?id=1Qt2ktad3nb3dXbpFtABXNOYqLJWOnhDu https:\/\/doi.org\/10.1016\/j.envpol.2017.12.054.(http:\/\/www.sciencedirect.com\/science\/article\/pii\/S0269749117331317)<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2221],"tags":[2864,2865,2866,2867,1445],"yoast_head":"\nIn\u00a0vitro effects of virgin microplastics on fish head-kidney leucocyte activities - One Earth - One Ocean e. V.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/oneearth-oneocean.com\/en\/international-marine-litter-database-en-2\/2020\/in-vitro-effects-of-virgin-microplastics-on-fish-head-kidney-leucocyte-activities\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"In\u00a0vitro effects of virgin microplastics on fish head-kidney leucocyte activities - One Earth - One Ocean e. 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After 1 and 24\u202fh of exposure of HKLs with 0 (control), 1, 10 and 100\u202fmg\u202fmL\u22121 MPs in a rotatory system, cell viability, innate immune parameters (phagocytic, respiratory burst and peroxidase activities) and the expression of genes related to inflammation (il1b), oxidative stress (nrf2, prdx3), metabolism of xenobiotics (cyp1a1, mta) and cell apoptosis (casp3) were studied. Microplastics failed to affect the cell viability of HKLs. In addition, they provoke very few significant effects on the main cellular innate immune activities, as decrease on phagocytosis or increase in the respiratory burst of HKLs with the highest dose of microplastics tested. Furthermore, microplastics failed to affect the expression of the selected genes on sea bass or seabream, except the nrf2 which was up-regulated in seabream HKLs incubated with the highest doses. Present results seem to suggest that continue exposure of fish to PVC or PE microplastics could impair fish immune parameters probably due to the oxidative stress produced in the fish leucocytes. https:\/\/drive.google.com\/open?id=1Qt2ktad3nb3dXbpFtABXNOYqLJWOnhDu https:\/\/doi.org\/10.1016\/j.envpol.2017.12.054.(http:\/\/www.sciencedirect.com\/science\/article\/pii\/S0269749117331317)\" \/>\n<meta property=\"og:url\" content=\"https:\/\/oneearth-oneocean.com\/en\/international-marine-litter-database-en-2\/2020\/in-vitro-effects-of-virgin-microplastics-on-fish-head-kidney-leucocyte-activities\/\" \/>\n<meta property=\"og:site_name\" content=\"One Earth - One Ocean e. 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