Effects of oxidative stress induced by environmental relevant concentrations of fluoxetine on the embryonic development on Danio rerio
Copyright © 2021 Elsevier B.V. All rights reserved..
Fluoxetine (FLX) is a psychoactive drug that acts as an antidepressant. FLX is one of the world's best-selling prescription antidepressants. FLX is widely used for the treatment of various psychiatric disorders. For these reasons, this drug may eventually end up in the aquatic environment via municipal, industrial, and hospital discharges. Even though the occurrence of FLX in aquatic environments has been reported as ubiquitous, the toxic effects that this drug may induce, especially at environmentally relevant concentrations, on essential biological processes of aquatic organisms require more attention. In the light of this information, this work aimed to investigate the influence that fluoxetine oxidative stress-induced got over the embryonic development of Danio rerio. For this purpose, D. rerio embryos (4 h post fertilization) were exposed to environmentally relevant concentrations (5, 10, 15, 20, 25, 30, 35, and 40 ng L-1) of fluoxetine, until 96 h post fecundation. Along the exposure, survival, alterations to embryonic development, and teratogenic effects were evaluated using a stereomicroscope. Furthermore, oxidative stress biomarkers (superoxide dismutase, catalase, glutathione peroxidase, lipid peroxidation, hydroperoxide, and carbonyl content) were evaluated at 72 and 96 h post fecundation. LC50, EC50m, and teratogenic index were 30 ng L-1, 16 ng L-1, and 1.9, respectively. The main teratogenic effects induced by fluoxetine were pericardial edema, hatching retardation, spine alterations and craniofacial malformations. Concerning oxidative stress, our integrated biomarkers (IBR) analysis demonstrated that as the concentration increased, oxidative damage biomarkers got more influence over the embryos than antioxidant enzymes. Thus, fluoxetine induces an important oxidative stress response on the embryos of D. rerio. Collectively, our results allow us to concluded that FLX is a dangerous drug in the early life stages of D. rerio due to its high teratogenic potential and that FLX-oxidative stress induced may be involved in this toxic process.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:807 |
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| Enthalten in: |
The Science of the total environment - 807(2022), Pt 3 vom: 10. Feb., Seite 151048 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Orozco-Hernández, José Manuel [VerfasserIn] |
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| Links: |
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| Themen: |
01K63SUP8D |
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| Anmerkungen: |
Date Completed 22.12.2021 Date Revised 22.12.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.scitotenv.2021.151048 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 245 | 1 | 0 | |a Effects of oxidative stress induced by environmental relevant concentrations of fluoxetine on the embryonic development on Danio rerio |
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| 520 | |a Fluoxetine (FLX) is a psychoactive drug that acts as an antidepressant. FLX is one of the world's best-selling prescription antidepressants. FLX is widely used for the treatment of various psychiatric disorders. For these reasons, this drug may eventually end up in the aquatic environment via municipal, industrial, and hospital discharges. Even though the occurrence of FLX in aquatic environments has been reported as ubiquitous, the toxic effects that this drug may induce, especially at environmentally relevant concentrations, on essential biological processes of aquatic organisms require more attention. In the light of this information, this work aimed to investigate the influence that fluoxetine oxidative stress-induced got over the embryonic development of Danio rerio. For this purpose, D. rerio embryos (4 h post fertilization) were exposed to environmentally relevant concentrations (5, 10, 15, 20, 25, 30, 35, and 40 ng L-1) of fluoxetine, until 96 h post fecundation. Along the exposure, survival, alterations to embryonic development, and teratogenic effects were evaluated using a stereomicroscope. Furthermore, oxidative stress biomarkers (superoxide dismutase, catalase, glutathione peroxidase, lipid peroxidation, hydroperoxide, and carbonyl content) were evaluated at 72 and 96 h post fecundation. LC50, EC50m, and teratogenic index were 30 ng L-1, 16 ng L-1, and 1.9, respectively. The main teratogenic effects induced by fluoxetine were pericardial edema, hatching retardation, spine alterations and craniofacial malformations. Concerning oxidative stress, our integrated biomarkers (IBR) analysis demonstrated that as the concentration increased, oxidative damage biomarkers got more influence over the embryos than antioxidant enzymes. Thus, fluoxetine induces an important oxidative stress response on the embryos of D. rerio. Collectively, our results allow us to concluded that FLX is a dangerous drug in the early life stages of D. rerio due to its high teratogenic potential and that FLX-oxidative stress induced may be involved in this toxic process | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Embryonic development | |
| 650 | 4 | |a Fluoxetine | |
| 650 | 4 | |a Teratogenic effects | |
| 650 | 4 | |a Zebrafish | |
| 650 | 7 | |a Fluoxetine |2 NLM | |
| 650 | 7 | |a 01K63SUP8D |2 NLM | |
| 700 | 1 | |a Gómez-Oliván, Leobardo Manuel |e verfasserin |4 aut | |
| 700 | 1 | |a Elizalde-Velázquez, Gustavo Axel |e verfasserin |4 aut | |
| 700 | 1 | |a Heredia-García, Gerardo |e verfasserin |4 aut | |
| 700 | 1 | |a Cardoso-Vera, Jesús Daniel |e verfasserin |4 aut | |
| 700 | 1 | |a Dublán-García, Octavio |e verfasserin |4 aut | |
| 700 | 1 | |a Islas-Flores, Hariz |e verfasserin |4 aut | |
| 700 | 1 | |a SanJuan-Reyes, Nely |e verfasserin |4 aut | |
| 700 | 1 | |a Galar-Martínez, Marcela |e verfasserin |4 aut | |
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