金纳米粒子运输在受伤的脏中,脏功能生物标志物升高
Xuhui Ning1, Yuncheng Zhong2, Qi Cai3
1Department of Chemistry and Biochemistry, The University of Texas at Dallas, Richardson, TX, 75080, USA.
Advanced materials (Deerfield Beach, Fla.)
|July 29, 2024
概括
黄金纳米粒子 (AuNPs) 在严重受伤的脏中减速. 在轻度损伤中,AuNP传输取决于管道损伤,而不仅仅是血液尿素 (BUN) 和肌素 (Cr) 水平.
科学领域:
- 生物医学工程 生物医学工程
- 纳米技术纳米技术
- 脏生理学 脏生理学
背景情况:
- 血清生物标志物如血液尿素 (BUN) 和肌素 (Cr) 指导药物管理.
- 清除是翻译纳米药物的关键.
- 了解患病脏中的纳米粒子行为对于安全至关重要.
研究的目的:
- 为了研究金纳米粒子 (AuNP) 运输在西斯受伤的脏中.
- 为了将AuNP行为与功能生物标志物 (BUN,Cr) 和管道损伤相关联.
- 评估AuNP作为损伤X射线探针的潜力.
主要方法:
- 用清除的黄金纳米粒子 (AuNPs) 作为X射线对比剂.
- 在西斯普拉丁诱导的损伤模型中跟踪AuNP运输和保留.
- 分析了与不同BUN和Cr水平以及组织学损伤得分相关的AuNP行为.
主要成果:
- 在严重受伤的脏中,AuNP传输在脑髓中显著减缓 (BUN/Cr ~10x正常).
- 在轻度受伤的脏中 (BUN/Cr~4-5倍正常),单独使用BUN/Cr无法预测AuNP传输.
- 在亨勒环中,AuNP保留与管状损伤和黄金蛋白造形成相关.
结论:
- 在脏受损的脏中,需要谨慎使用可通过脏清除的纳米药物.
- 单独的BUN和Cr水平可能无法预测轻度损伤中的纳米粒子行为.
- 可以通过清除的AuNP显示出对损伤的非侵入性评估有前途.
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