Zebrafish: A Useful Animal Model for the Characterization of Drug-Loaded Polymeric NPs

被引:6
|
作者
Bozzer, Sara [1 ]
De Maso, Luca [1 ]
Grimaldi, Maria Cristina [1 ]
Capolla, Sara [2 ]
Dal Bo, Michele [2 ]
Toffoli, Giuseppe [2 ]
Macor, Paolo [1 ]
机构
[1] Univ Trieste, Dept Life Sci, I-34127 Trieste, Italy
[2] IRCCS, Expt & Clin Pharmacol Unit, Ctr Riferimento Oncol Aviano CRO, I-33081 Aviano, Italy
关键词
zebrafish; polymeric NPs; doxorubicin; PLGA-BASED NANOPARTICLES; CANCER; XENOTRANSPLANTATION; MECHANISMS; XENOGRAFT; TOXICITY; DELIVERY; EMBRYO;
D O I
10.3390/biomedicines10092252
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The use of zebrafish (ZF) embryos as an in vivo model is increasingly attractive thanks to different features that include easy handling, transparency, and the absence of adaptive immunity until 4-6 weeks. These factors allow the development of xenografts that can be easily analyzed through fluorescence techniques. In this work, ZF were exploited to characterize the efficiency of drug-loaded polymeric NPs as a therapeutical approach for B-cell malignancies. Fluorescent probes, fluorescent transgenic lines of ZF, or their combination allowed to deeply examine biodistribution, elimination, and therapeutic efficacy. In particular, the fluorescent signal of nanoparticles (NPs) was exploited to investigate the in vivo distribution, while the colocalization between the fluorescence in macrophages and NPs allows following the elimination pathway of these polymeric NPs. Xenotransplanted human B-cells (Nalm-6) developed a reproducible model useful for demonstrating drug delivery by polymeric NPs loaded with doxorubicin and, as a consequence, the arrest of tumor growth and the reduction in tumor burden. ZF proved to be a versatile model, able to rapidly provide answers in the development of animal models and in the characterization of the activity and the efficacy of drug delivery systems.
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页数:13
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