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Turkez H, Alak G, Ozgeris FB, Cilingir Yeltekin A, Ucar A, Parlak V, Şuţan NA, Atamanalp M. Borax attenuates oxidative stress, inflammation, and apoptosis by modulating Nrf2/ROS balance in acrylamide-induced neurotoxicity in rainbow trout. Drug Chem Toxicol 2024:1-10. [PMID: 38938109 DOI: 10.1080/01480545.2024.2370916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Accepted: 06/16/2024] [Indexed: 06/29/2024]
Abstract
Acrylamide (ACR) can have adverse environmental effects because of its multiple applications. Relevant scientific literatures of the existence of ACR residues in foods following processing steps have raised concern in the biochemistry, chemistry and safety of this vinyl substance. The interest has focused on the hepatotoxicity of ACR in animals and humans and on the ACR content mitigation and its detoxification. Borax (BX), as a naturally occurring antioxidant featured boron compound, was selected in this investigation to assess its possible neuro-protective potential against ACR-induced neurotoxicity. Nrf2 axis signaling pathways and detoxification response to oxidative stress after exposure to ACR in brains of rainbow trout, and the effect of BX application on reducing ACR-induced neurotoxicity were investigated. Rainbow trout were acutely exposed to ACR (12.5 mg/L) alone or simultaneously treated with BX (0.75 mg/L) during 96h. The exposed fish were sampled at 48th and 96th and oxidative stress response endpoints, 8-OHdG, Nrf2, TNF-α, caspase-3, in addition to IL-6 activities and the levels of AChE and BDNF in brain tissues of rainbow trout (Oncorhynchus mykiss) were evaluated. Samples showed decreases in the levels of ACR-mediated biomarkers used to assess neural toxicity (SOD, CAT, GPx, AChE, BDNF, GSH), increased levels of MDA, MPO, DNA damage and apoptosis. ACR disrupted the Nrf2 pathway, and induced neurotoxicity. Inhibited activities' expressions under simultaneous administration experiments, revealed the protective effects of BX against ACR-induced toxicity damage. The obtained data allow the outline of early multi-parameter signaling pathways in rainbow trout.
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Affiliation(s)
- Hasan Turkez
- Department of Medical Biology, Faculty of Medicine, Atatürk University, Erzurum, Turkey
| | - Gonca Alak
- Department of Seaafod Processing, Faculty of Fisheries, Atatürk University, Erzurum, Turkey
| | - Fatma Betul Ozgeris
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Atatürk University, Erzurum, Turkey
| | | | - Arzu Ucar
- Department of Aquaculture, Faculty of Fisheries, Ataturk University, Erzurum, Turkey
| | - Veysel Parlak
- Department of Basic Sciences, Faculty of Fisheries, Ataturk University, Erzurum, Turkey
| | | | - Muhammed Atamanalp
- Department of Aquaculture, Faculty of Fisheries, Ataturk University, Erzurum, Turkey
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Köktürk M, Özgeriş FB, Atamanalp M, Uçar A, Özdemir S, Parlak V, Duyar HA, Alak G. Microplastic-induced oxidative stress response in turbot and potential intake by humans. Drug Chem Toxicol 2024; 47:296-305. [PMID: 36656072 DOI: 10.1080/01480545.2023.2168690] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 09/29/2022] [Accepted: 10/11/2022] [Indexed: 01/20/2023]
Abstract
Microplastic (MP) pollution has become a health concern subject in recent years. Althoughann increasing number of studies about the ingestion of microplastics by fish, research on the oxidative stress response to MPs in natural environments is quite limited. In this study, the identification and characterization of MPs in gill (G), muscle tissues (M), and gastrointestinal tract (GI) of turbot (Scophthalmus maximus) were evaluated. Oxidative damage of MPs on the brain (B), liver (L), gill (G), and muscle (M) tissues as well as their effect on superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), paraoxonase (PON), arylesterase (AR) myeloperoxidase (MPO), and malondialdehyde (MDA) biomarkers were evaluated. The potential transmission of MPs from muscle tissues to humans was examined. Results showed that gills contain the highest amounts of MPs, ethylene propylene is the most dominant polymer type, black and blue are the most common MP color, fiber is the most common shape, and 50-200 µm is the most common MP size. Results showed that MPs cause oxidative stress of tissues with inhibiting effect on enzyme activities and promoting impact on lipid peroxidation. The oxidative damage mostly affected the liver (detoxification organ) followed by gill tissue. The intake of MPS in the European Union was estimated by EFSA as 119 items/year, while in Turkey it is 47.88 items/year. This study shows that more research is needed in terms of ecosystem health and food chain safety. The risk assessment of MPs in living organisms and environmental matrices including food safety and human health should be considered a public health issue.
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Affiliation(s)
- Mine Köktürk
- Department of Organic Agriculture Management, Faculty of Applied Sciences, Igdir University, Igdir, Turkey
| | - Fatma Betül Özgeriş
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Ataturk University, Erzurum, Turkey
| | - Muhammed Atamanalp
- Department of Aquaculture, Faculty of Fisheries, Ataturk University, Erzurum, Turkey
| | - Arzu Uçar
- Department of Aquaculture, Faculty of Fisheries, Ataturk University, Erzurum, Turkey
| | - Süleyman Özdemir
- Department of Fisheries, Faculty of Fisheries, Sinop University, Sinop, Turkey
| | - Veysel Parlak
- Department of Aquaculture, Faculty of Fisheries, Ataturk University, Erzurum, Turkey
| | - Hünkar Avni Duyar
- Department of Seafood Processing Technology, Faculty of Fisheries, Sinop University, Sinop, Turkey
| | - Gonca Alak
- Department of Seafood Processing Technology, Faculty of Fisheries, Ataturk University, Erzurum, Turkey
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