身体应激反应与 Benthic 平鱼的微塑料摄入有关 Bothus podas
Amanda Cohen-Sánchez1, Montserrat Compa1, Jessica Lombardo1
1Research Group in Community Nutrition and Oxidative Stress (NUCOX), University of Balearic Islands-IUNICS, 07122 Palma, Balearic Islands, Spain.
Toxics
|July 25, 2025
概括
宽眼鱼摄入微塑料 (MP) 会触发肠道排毒和免疫反应. 高MP暴露导致酶活性升高,表明这些盆地鱼的生理压力.
科学领域:
- 海洋生物学 海洋生物学
- 环境毒理学环境毒理学
- 生态毒理学 生态毒理学
背景情况:
- 像*Bothus podas*这样的地平鱼容易受到微塑料 (MP) 污染.
- 了解MP对海洋生物的影响对于生态系统健康至关重要.
研究的目的:
- 为了研究微塑料的摄入和生理影响在野生 *Bothus podas*.
- 评估与MP暴露有关的氧化应激,解毒和免疫反应.
主要方法:
- 在来自马略卡的24个野生 *B. podas* 标本中分析了MP摄入.
- 在肠道,肝脏和脏组织中的生物标志物的量化.
- 分类为低 (<3项) 和高 (≥3项) MP暴露组.
主要成果:
- 87.5%的鱼类摄入了MP,主要是纤维 (聚乙烯,聚烯,聚).
- 高MP组显示肠道排毒 (I/II阶段酶) 和炎症标志物 (超氧化脱酶,髓氧化酶) 的升高.
- 脏免疫标记物 (酶,性酸酶) 在高MP鱼类中较高;肝脏组织没有显著变化.
结论:
- 胃肠道MP暴露会诱导局部氧化应激和*B. podas*的全身免疫激活.
- 环境相关的MP水平会导致生理压力,包括排毒和炎症反应,没有显著的氧化损伤标志物.
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