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双相似物影响了肝脏发育,并破坏了斑马鱼幼虫的脂质平衡

Yao Zheng¹, Ying Huang², Jiajia Li³

¹Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Jiangsu, China.

Environmental pollution (Barking, Essex : 1987)

|March 11, 2026

概括

双G (BPG) 最显著地影响斑马鱼的肝脏发育和脂质代谢,即使在低剂量下也是如此. 暴露于BPG和其他双醇会导致肝损伤,阻碍黄的吸收,并导致脂质积累.

科学领域:

环境毒理学环境毒理学
发展生物学发展生物学
生物化学生物化学

背景情况:

像双A (BPA) 这样的内分泌干扰化学物质 (EDC) 与异常肝脏发育有关.
关于EDC对生命早期脂质平衡的作用背后的机制尚未完全理解.

研究的目的:

研究BPA及其替代品 (BPAF,BPG) 对斑马鱼肝脏发育和脂质代谢的影响.
阐明参与双醇诱导的肝损伤和脂质失调的分子途径.

主要方法:

斑马鱼胚胎暴露在不同度的BPA,BPAF和BPG中.
使用转基因斑马鱼系 (Tg (fabp10a:dsRed;ela3l:EGFP)) 来评估肝脏发育.
脂质积累通过全身油红色染色和脂管学分析;利用单细胞RNA-Seq.探索分子机制.

主要成果:

双基 (BPG) 在低度下对肝脏发育产生最强烈的不良影响.
所有测试的双都诱导了肝脏的结构损伤,损害了黄体的吸收,并且在较高度下引起了脂质积累 (酸丁胆,光酸丁乙醇胺,二甲化物,甲).
单细胞RNA-Seq揭示了脂质积累,肝硬化和肝损伤途径的激活,低调的apoeb与受损的脂质平衡相关.

结论:

双,特别是BPG,破坏斑马鱼的早期肝脏发育和脂质代谢.
这些发现突出了特定的分子通路,包括apoeb下调,参与双诱导的肝毒性和代谢干扰.
该研究提供了对EDCs在发育过程中影响肝脏健康的机制的关键见解.

关键词:

双醇类似物双醇类似物肝脏的发育肝脏的发育肝细胞的转录反应脂质恒常性脂质恒常性脂质恒常性斑马鱼是一种斑马鱼.

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