Effects of melatonin and green-wavelength LED light on the physiological stress and immunity of goldfish, Carassius auratus, exposed to high water temperature
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Title
- Effects of melatonin and green-wavelength LED light on the physiological stress and immunity of goldfish, Carassius auratus, exposed to high water temperature
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Author(s)
- Jung, Seo Jin; Kim, Na Na; Choi, Young Jae; Choi, Ji Yong; Choi, Young-Ung; Heo, Youn Seong; Choi, Cheol Young
- KIOST Author(s)
- Choi, Young Ung(최영웅)
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Alternative Author(s)
- 최영웅
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Publication Year
- 2016-10
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Abstract
- This study investigated the effects of increasing water temperature (22-30 degrees C) on the physiological stress response and immunity of goldfish, Carassius auratus, and the ability of green light-emitting diode (LED) irradiation or melatonin injections to mitigate this temperature-induced stress. To evaluate the effects of either green-wavelength LED light or melatonin on stress in goldfish, we measured plasma triiodothyronine (T-3), thyroxine (T-4), and thyroid hormone receptor (TR) mRNA expression; plasma cortisol and glucose; and immunoglobulin M (IgM) and lysozyme mRNA expression. The thyroid hormone activities, TR mRNA expression, and plasma cortisol and glucose were higher in goldfish exposed to high-temperature water, but were lower after exposure to melatonin or green-wavelength LED light. Lysozyme mRNA expression and plasma IgM activity and protein expression were lower after exposure to high water temperatures and higher after melatonin or green-wavelength LED light treatments. Therefore, high water temperature induced stress and decreased immunity; however, green-wavelength LED light and melatonin treatments mitigated the effects of stress and enhanced immunity. The benefits of melatonin decreased with time, whereas those of green-wavelength LED treatment did not.
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ISSN
- 0920-1742
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/40377
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DOI
- 10.1007/s10695-016-0221-7
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Bibliographic Citation
- FISH PHYSIOLOGY AND BIOCHEMISTRY, v.42, no.5, pp.1335 - 1346, 2016
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Publisher
- SPRINGER
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Subject
- BASS DICENTRARCHUS-LABRAX; YELLOWTAIL CLOWNFISH; AMPHIPRION-CLARKII; OXIDATIVE STRESS; THERMAL-STRESS; DISEASE RISKS; FISH; SPECTRA; EXPRESSION; RESPONSES
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Keywords
- Cortisol; Goldfish; Green-wavelength LED; Melatonin; Thermal stress; Thyroid hormone
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Type
- Article
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Language
- English
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Document Type
- Article
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