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Effects of diphenhydramine exposure on reproduction of mature Japanese medaka (Oryzias latipes)
被引:0
|作者:
Seki, Tamaki
[1
]
Katsura, Motoaki
[2
]
Yamasaki, Masatoshi
[2
]
Yamashita, Kazuki
[2
]
Kokushi, Emiko
[2
]
Uno, Seiichi
[2
]
机构:
[1] The United Graduate School of Agricultural Science, Kagoshima University, 50-20 Shimoarata 4-Chome, Kagoshima,890-0056, Japan
[2] Education and Research Center for Marine Resources and Environment, Faculty of Fisheries, Kagoshima University, 50-20 Shimoarata 4-Chome, Kagoshima,890-0056, Japan
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关键词:
Diphenhydramine (DPH) is an antihistamine drug. It has been frequently detected in the environment;
because it is not completely degraded in wastewater treatment plants. Recent studies have shown the adverse effects of DPH exposure to various aquatic organisms;
however;
its chronic effects on fish have been poorly elucidated. In this study;
several pairs of mature Japanese medaka (Oryzias latipes) were exposed to DPH for a long period to determine the effects of DPH exposure on the subsequent generations;
number of spawned and fertilized eggs;
expression of sex-related genes;
feeding behavior;
embryo development;
hatching rate;
malformations among the hatched larvae;
and mortality rate. The number of spawned eggs significantly decreased;
when the parent fish were continuously exposed to 31.6 μg/L DPH for over 46 days. DPH exposure also altered the feeding behavior of medaka individuals;
and increased the larval mortality rate. The effects of DPH exposure to fish may occur to some extent in the actual aquatic environment;
although the risk evaluations in the field are limited. © 2024 The Authors;
D O I:
10.1016/j.chemosphere.2024.142163
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