益生菌Lactobacillus rhamnosus通过调节细胞亡,视网膜炎症和光传导来减轻斑马鱼中微囊素LR诱导的视觉系统缺陷和功能障碍
Ning Luan1, Qing Yang2, Ming Liu3
1College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China.
Journal of environmental sciences (China)
|July 2, 2025
概括
像Lactobacillus rhamnosus这样的益生菌可以保护斑马鱼的视力免受微囊素-LR (MC-LR) 毒素的损害. 这项研究揭示了益生菌如何恢复视网膜结构和功能,为水产养殖提供了洞察力.
科学领域:
- 水生物质毒理学研究
- 微生物学 微生物学
- 眼科医生 眼科 眼科
背景情况:
- 微囊素-LR (MC-LR) 是一种强大的生物毒素,会导致眼睛损伤.
- 众所周知,益生菌,如Lactobacillus rhamnosus,有利于视网膜功能.
- 益生菌对MC-LR诱导的视力损伤的保护作用尚不清楚.
研究的目的:
- 为了调查Lactobacillus rhamnosus是否可以减轻斑马鱼中MC-LR诱导的视觉系统损伤.
- 阐明益生菌可以防止MC-LR毒性的潜在机制.
主要方法:
- 成年斑马鱼在28天内暴露于MC-LR (0,2.20,22.00μg/L) 的不同度.
- 鱼被养的是对照饮食或补充了Lactobacillus rhamnosus的饮食.
- 评估了视网膜结构,光热性行为,亡,炎症,神经传递和光传导.
主要成果:
- 单独暴露于MC-LR会导致视网膜结构损伤和异常的光合作用行为.
- 补充乳杆菌 (Lactobacillus rhamnosus) 缓解了MC-LR诱导的视网膜损伤和行为缺陷.
- 生物化学分析表明,眼细胞亡,视网膜炎症,神经传递和光传递通路的恢复.
结论:
- 拉科巴西勒斯 (Lactobacillus rhamnosus) 有效地缓解了斑马鱼的MC-LR诱导的视觉系统缺陷和功能障碍.
- 益生菌在水生生物中起到防御作用,防止环境污染物的毒性.
- 研究结果表明,益生菌在水产养殖中有潜在的应用,以减轻毒素引起的损害.
更多相关视频
13:12Nitroreductase/Metronidazole-Mediated Ablation and a MATLAB Platform RpEGEN for Studying Regeneration of the Zebrafish Retinal Pigment Epithelium
Published on: March 2, 2022
2.6K
07:31Brain Ventricular Microinjections of Lipopolysaccharide into Larval Zebrafish to Assess Neuroinflammation and Neurotoxicity
Published on: August 23, 2022
3.4K
相关概念视频
Photoreceptors and Visual Pathways
At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category, whereas...
Microbiome of the Eye
The human eye has a specialized microbiota that reflects its unique anatomical and immunological environment. This low-biomass microbial community predominantly colonizes the conjunctiva and eyelid margins, playing a vital role in ocular surface homeostasis and defense. Despite its proximity to the richly colonized facial skin, the ocular surface maintains a distinct microbial profile due to continuous mechanical and biochemical defense mechanisms.The conjunctival surface hosts fewer microbial...
