Abstract:
:Docetaxel (DOC) produces anti-tumor effects by inducing apoptosis and inhibiting cell growth. However, its clinical application is limited by its hydrophobicity and low biocompatibility. Therefore, improving DOC's water solubility, biocompatibility, and anti-tumor effects are important goals that will improve its clinical utility. In this work, DOC and methoxy poly(ethylene glycol) (MPEG)/polycaprolactone (PCL) (MPEG-PCL) showed good compatibility through computer simulations. We prepared DOC-loaded polymeric micelles (DOC/MPEG-PCL micelles) with drug loading of 6.82% and encapsulation efficiency of 98.36%; these were monodispersed and approximately 30 nm in diameter, and released DOC over an extended period in vitro and in vivo. In addition, DOC/MPEG-PCL micelles inhibited cell growth and induced apoptosis more effectively than free DOC in vitro. Furthermore, DOC/MPEG-PCL micelles inhibited ovarian tumor growth more significantly than free DOC. Immunohistochemical analysis indicated that DOC/MPEG-PCL micelles improved DOC's anti-tumor effect by enhancing tumor cell apoptosis and suppressing tumor cell proliferation. Moreover, in bio-imaging analysis, DOC/MPEG-PCL micelles showed a higher concentration and a longer retention time in ovarian tumor tissue than did free DOC, indicating that the DOC/MPEG-PCL micelles delivered more anti-tumor drug to the tumor. Our data suggest that DOC/MPEG-PCL micelles have the potential to be applied clinically in ovarian cancer therapy.
journal_name
Biomaterialsjournal_title
Biomaterialsauthors
Gao X,Wang S,Wang B,Deng S,Liu X,Zhang X,Luo L,Fan R,Xiang M,You C,Wei Y,Qian Z,Guo Gdoi
10.1016/j.biomaterials.2015.02.108subject
Has Abstractpub_date
2015-01-01 00:00:00pages
646-58eissn
0142-9612issn
1878-5905pii
S0142-9612(15)00246-Xjournal_volume
53pub_type
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