Exploring the effects of eugenol, menthol, and lidocaine as anesthetics on zebrafish glucose homeostasis
Zebrafish (Danio rerio) are widely employed as an experimental model in various scientific fields. The investigation of glucose metabolism dysfunctions has gained recent significant prominence. Considering that certain anesthetics may impact glycemic levels, it is imperative to carefully select an a...
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| Published in: | Comparative biochemistry and physiology. Toxicology & pharmacology Vol. 276; p. 109784 |
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| Main Authors: | , , , , , , , , , |
| Format: | Journal Article |
| Language: | English |
| Published: |
United States
01-02-2024
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| Subjects: | |
| Online Access: | Get full text |
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| Summary: | Zebrafish (Danio rerio) are widely employed as an experimental model in various scientific fields. The investigation of glucose metabolism dysfunctions has gained recent significant prominence. Considering that certain anesthetics may impact glycemic levels, it is imperative to carefully select an anesthetic that does not induce such side effects, thereby mitigating potential adverse influences on research outcomes. In this sense, this study aimed to evaluate potential glucose alterations and induction and recovery times resulting from the use of eugenol, menthol and lidocaine as anesthetics in zebrafish. A total of 150 adult male and female zebrafish were divided into ten groups, comprising a control group euthanized by rapid chilling, and three groups anesthetized with low (40 mg/L eugenol, 60 mg/L menthol, 100 mg/L lidocaine), intermediate (60 mg/L eugenol, 90 mg/L menthol, 225 mg/L lidocaine), and high (80 mg/L eugenol, 120 mg/L menthol, 350 mg/L lidocaine) anesthetic concentrations. Glucose levels and induction and recovery times were assessed. The findings reveal that eugenol and menthol did not cause glucose level alterations at any of the investigated concentrations, while lidocaine caused a non-concentration-dependent hyperglycemia. Eugenol and menthol also exhibited similar recovery times at different concentrations, while lidocaine recovery times were concentration-dependent. This study, therefore, concludes that eugenol and menthol are safe and satisfactory anesthetics for use in zebrafish research involving glucose analyses, while lidocaine use can cause biases due to altered glucose levels and safety concerns. Researchers should, therefore, carefully consider anesthetic selection to ensure reliable results in zebrafish assessments. |
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| Bibliography: | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
| ISSN: | 1532-0456 |
| DOI: | 10.1016/j.cbpc.2023.109784 |