Biocompatibility, biodistribution, and drug-delivery efficiency of mesoporous silica nanoparticles for cancer therapy in animals.

Biocompatibility, biodistribution, and drug-delivery efficiency of mesoporous silica nanoparticles for cancer therapy in animals.
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DOI:
10.1002/smll.201000538
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发表时间:
2010-08-16
期刊:
影响因子:
13.3
通讯作者:
Tamanoi, Fuyuhiko
Tamanoi, Fuyuhiko
中科院分区:
材料科学1区
文献类型:
--
作者:
Lu, Jie;Liong, Monty;Li, Zongxi;Zink, Jeffrey I.;Tamanoi, Fuyuhiko

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介孔二氧化硅纳米粒子(MSNs)是一种很有前景的药物递送材料。在这篇研究论文中,首先表明MSNs具有良好的耐受性,这通过对注射MSNs后的血液样本以及小鼠组织进行血清学、血液学和组织病理学检查得以证明。利用人癌症异种移植模型进行了生物分布研究,采用了体内成像、荧光显微镜成像以及电感耦合等离子体质谱技术。结果显示MSNs优先在肿瘤中累积。最后,通过对使用载有喜树碱的MSNs治疗的小鼠的肿瘤生长情况进行追踪,证明了MSNs的药物递送能力。这些结果表明MSNs具有生物相容性,优先在肿瘤中累积,并且能够有效地将药物递送至肿瘤并抑制肿瘤生长。
Mesoporous silica nanoparticles (MSNs) are a promising material for drug delivery. In this Full Paper, MSNs are first shown to be well tolerated, as demonstrated by serological, hematological, and histopathological examinations of blood samples and mouse tissues after MSN injection. Biodistribution studies using human cancer xenografts are carried out with in vivo imaging and fluorescent microscopy imaging, as well as with inductively coupled plasma mass spectroscopy. The results show that MSNs preferentially accumulate in tumors. Finally, the drug-delivery capability of MSNs is demonstrated by following tumor growth in mice treated with camptothecin-loaded MSNs. These results indicate that MSNs are biocompatible, preferentially accumulate in tumors, and effectively deliver drugs to the tumors and suppress tumor growth.
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