期刊
MOLECULAR CANCER THERAPEUTICS
卷 13, 期 12, 页码 2864-2875出版社
AMER ASSOC CANCER RESEARCH
DOI: 10.1158/1535-7163.MCT-14-0052
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资金
- NIH [R01 CA125063-01, 1U54CA151881]
- Animal Health and Disease Research grant [2006-9]
- College of Veterinary Medicine, Auburn University
In an effort to improve the therapeutic index of cancer chemotherapy, we developed an advanced nanopreparation based on the combination of landscape phage display to obtain new targeting ligands with micellar nanoparticles for tumor targeting of water-insoluble neoplastic agents. With paclitaxel as a drug, this self-assembled nanopreparation composed of MCF-7-specific phage protein and polyethylene glycol-phosphatidylethanolamine (PEG-PE) micelles showed selective toxicity to target cancer cells rather than nontarget, non cancer cells in vitro. In vivo, the targeted phage micelles triggered a dramatic tumor reduction and extensive necrosis as a result of improved tumor delivery of paclitaxel. The enhanced anticancer effect was also verified by an enhanced apoptosis and reduced tumor cell proliferation following the treatment with the targeted micellar paclitaxel both in vitro and in vivo. The absence of hepatotoxicity and pathologic changes in tissue sections of vital organs, together with maintenance of overall health of mice following the treatment, further support its translational potential as an effective and safe chemotherapy for improved breast cancer treatment. (C) 2014 AACR.
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