底层的机制特拉洛皮里尔诱导的嗅觉功能障碍在海洋Medaka:破坏的多巴胺基系统和补充替代途径
Tengzhou Li1, Bin Liu1, Bianhao Zeng1
1Marine College, Shandong University, Weihai, Shandong 264209, China.
Environmental science & technology
|March 10, 2026
概括
暴露于特拉洛皮里尔会损害嗅觉行为,并损害海洋动物的嗅觉组织,例如海洋动物. 这种神经毒性生物杀菌剂破坏嗅觉通路,影响多巴胺和补充系统,突出了水生生物的风险.
科学领域:
- 环境毒理学环境毒理学
- 神经科学是一个神经科学.
- 海洋生物学 海洋生物学
背景情况:
- 特拉洛皮里尔是一种抗生物制剂,具有已知的神经毒性和嗅觉毒性.
- 它的生物降解性很差,对非目标水生生物有害.
- 了解其对海洋生物的长期影响至关重要.
研究的目的:
- 调查环境相关的特拉洛皮里尔度对海洋生物的慢性影响,例如.
- 评估对嗅觉行为,组织病理学和分子通路的影响.
- 为了阐明特拉洛皮里尔诱导的嗅觉毒性的机制.
主要方法:
- 在180天的时间里,海洋的medaka从胚胎阶段暴露于tralopyril.
- 进行了嗅觉行为,组织病理学 (嗅觉上皮,球泡,大脑) 和分子分析 (cAMP,离子通道,基因表达,蛋白质学,代谢学).
- 使用ELISA测量C3和多巴胺水平.
主要成果:
- 在嗅觉组织和大脑中观察到受损的嗅觉行为和显著的组织病理损伤.
- 嗅觉信号转导通路的破坏被改变的cAMP水平,离子通道活性和基因表达所表明.
- 蛋白质和代谢分析显示补充级联 (替代途径的抑制) 和多巴胺合成/代谢中的异常,由降低的C3和多巴胺水平证实.
结论:
- 特拉洛皮里尔在海洋中引起显著的嗅觉功能障碍和神经毒性.
- 补充的替代途径和多巴胺合成/代谢与特拉洛皮里尔诱导的嗅觉毒性有关.
- 外源性LPS部分恢复了嗅觉功能,支持这些发现.
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