期刊
ADVANCED SCIENCE
卷 8, 期 4, 页码 -出版社
WILEY
DOI: 10.1002/advs.202001175
关键词
endothelial colony forming cells; gold nanoparticles; melanoma; nanomedicine; photoacoustic imaging
资金
- Associazione Italiana Ricerca sul Cancro (AIRC) [IG 2013 N. 14266]
- Ente Cassa di Risparmio di Firenze
- Italian Foundation for Cancer Research (FIRC)
- Global Marie Curie Fellowship
This study demonstrated that endothelial colony forming cells can effectively deliver gold nanoparticles to tumors, showing potential in cancer treatment. The AuNP-loaded ECFCs were able to migrate to tumor sites in a mouse model and remain in the tumor mass for an extended period without causing damage to healthy tissue. Additionally, the study showed that the ECFC-loaded AuNPs were efficiently cleared by the liver over time.
Near infrared (NIR)-resonant gold nanoparticles (AuNPs) hold great promise in cancer diagnostics and treatment. However, translating the theranostic potential of AuNPs into clinical applications still remains a challenge due to the difficulty to improve the efficiency and specificity of tumor delivery in vivo as well as the clearance from liver and spleen to avoid off target toxicity. In this study, endothelial colony forming cells (ECFCs) are exploited as vehicles to deliver AuNPs to tumors. It is first demonstrated that ECFCs display a great capability to intake AuNPs without losing viability, and exert antitumor activity per se. Using a human melanoma xenograft mouse model, it is next demonstrated that AuNP-loaded ECFCs retain their capacity to migrate to tumor sites in vivo 1 day after injection and stay in the tumor mass for more than 1 week. In addition, it is demonstrated that ECFC-loaded AuNPs are efficiently cleared by the liver over time and do not elicit any sign of damage to healthy tissue.
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