Hyaluronic acid-coated nanostructured lipid carriers for targeting paclitaxel to cancer - PubMed (original) (raw)

. 2013 Jul 1;334(2):338-45.

doi: 10.1016/j.canlet.2012.07.002. Epub 2012 Jul 7.

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Hyaluronic acid-coated nanostructured lipid carriers for targeting paclitaxel to cancer

Xiao-Yan Yang et al. Cancer Lett. 2013.

Abstract

The aim of our study was to develop hyaluronic acid-coated, paclitaxel-loaded, nanostructured lipid carriers (HA-NLCs) prepared via electrostatic attraction for delivering paclitaxel (PTX) to tumors overexpressing CD44. First, cationic PTX-NLC was prepared by melt emulsion technology. Then, PTX-NLC were coated with hyaluronic acid (HA). The in vitro release of PTX was evaluated by the dialysis method. This analysis showed that PTX was released more slowly from HA-NLC than from Taxol®. The in vitro cytotoxicity of HA-NLC was investigated using the MTT method in B16, CT26 and HCT116 cell lines. The results showed that the cytotoxicity of HA-NLC against these three cancer cell lines was superior to that of Taxol®. The in vivo antitumor effect, the pharmacokinetics and the tissue distribution of HA-NLC were all evaluated in B16-bearing Kunming mice. The results showed that HA-NLC was better tolerated and had increased antitumor activity in B16-bearing Kunming mice compared with Taxol®. Furthermore, HA-NLC could prolong the circulation time of PTX in blood and increase the accumulation of PTX in the tumor. Therefore, HA-NLC prepared via electrostatic attraction was an effective carrier for delivering PTX to tumors overexpressing CD44.

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