联合提供脏可清除的复合物和协同作用的抗氧化剂铁复合物用于治疗败血症
Young Geon Kim1,2, Boomin Choi1,3, Yunjung Lee1,2
1Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 08826, Republic of Korea.
ACS nano
|October 17, 2024
概括
纳米粒子积聚在器官中,导致毒性. 然而,与二乙二胺五酸 (DTPA) 复合的是安全排泄,为系统性炎症提供一种无毒的纳米药物.
科学领域:
- 纳米医学是一种纳米医学.
- 毒理学 毒理学 毒理学
- 生物医学工程 生物医学工程
背景情况:
- 无机纳米材料可以在体内积累,引发毒性问题.
- 了解注射后的金属行为对于临床应用至关重要.
- 与配体的相互作用影响其体内命运和潜在的毒性.
研究的目的:
- 为了研究金属-联结体相互作用如何影响积.
- 开发非累积的基纳米药物.
- 评估-DTPA纳米颗粒在治疗系统性炎症中的治疗潜力.
主要方法:
- 系统注射不同的制剂.
- 评估主要器官中积的情况.
- 在体内评估-DTPA纳米颗粒与铁-DTPA结合作为抗氧化疗法.
- 在败血症小鼠中分析炎症标志物和组织损伤.
主要成果:
- 与二乙二胺五酸 (DTPA) 协调形成脏可分泌的纳米颗粒.
- 弱协调的纳米材料在体内沉.
- -DTPA纳米颗粒,作为基脏清理纳米颗粒 (CRN) 的一部分,与铁-DTPA协同清理过氧化.
- CRN 降低了促炎性基因表达,并提高了败血症小鼠的存活率.
结论:
- 金属-合金相互作用显著影响纳米粒子的生物分布和毒性.
- -DTPA形成非积累性的,可以通过脏分泌的纳米颗粒.
- 与铁-DTPA相结合的CRN显示为系统性炎症治疗的非积累性纳米药物具有前途.
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