期刊
JOURNAL OF APPLIED POLYMER SCIENCE
卷 130, 期 2, 页码 927-932出版社
WILEY
DOI: 10.1002/app.39247
关键词
drug delivery systems; synthesis and processing; polysaccharides
资金
- National Natural Science Foundation of China [30973659]
To circumvent the rapid clearance in vivo and consequent low tumor targeting of 5-fluorouracil (5-Fu), hyaluronan-5-fluorouracil conjugate (HA-5-Fu) was firstly synthesized and characterized. in vitro was evaluated by incubation with phosphate buffered saline, hyaluronidase solution, and mice plasma, respectively. in vitro cytotoxicity evaluation and in vivo pharmacokinetics study in plasma and tumor. HA-5-Fu with drug loading of 87.674 mg/g was successfully obtained and confirmed. HA-5-Fu showed high stability in acidic environment and moderate stability under enzymatic cleavage. t(1/2) of HA-5-Fu in plasma after injection of prodrug was extended up to 10 times compared with that of 5-Fu. Notably, AUC(0-t) in tumors of HA-5-Fu was 3.6 times higher than 5-Fu, demonstrating its excellent tumor targeting and quite promising prospect in anti-cancer therapy. (c) 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 130: 927-932, 2013
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