Journal
BIOMEDICINE & PHARMACOTHERAPY
Volume 83, Issue -, Pages 51-57Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.biopha.2016.05.046
Keywords
Leukemia; Edelfosine; Anticancer efficacy; Apoptosis; Micelles
Funding
- research grant of Shandong Jining No. 1 People's Hospital, China
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In this study, transferrin (Tf)-conjugated polyethylene glycol (PEG)-poly-L-lysine (PLL)-poly(lactic-coglycolic acid) (PLGA) (PEG-PLL-PLGA)-based micellar formulations were successfully prepared for the delivery of edelfosine (EDS) in leukemia treatment. The micelles were nanosized and presented spherical shaped particles. Our in vitro data suggest that the nanoformulations maintain the biological activity of drugs for longer periods and lead to a continuous release of active drug. The enhanced cellular uptake of EDS-TM resulted in significantly higher cytotoxic effect in K562 leukemia cells. Cell cycle analysis further demonstrated the significantly higher G2/M phase arrest of cancer cells. Immunoblot analysis clearly revealed the potential of EDS-TM in inducing apoptosis of cancer cells which could improve the anticancer efficacy in leukemia. Importantly, EDS-M and EDS-TM significantly prolonged the circulation profile of EDS throughout until 24 h, indicating the potential of targeted nanoparticulate delivery system. The prolonged blood circulation potential of micellar formulations might improve the therapeutic potential of drug by increasing its bioavailability in the serum. It would be worthwhile evaluating the effects of the EDS-loaded micelles on cancer cells in vivo for clinical application. (C) 2016 Published by Elsevier Masson SAS.
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