Journal
JOURNAL OF PHARMACEUTICAL SCIENCES
Volume 104, Issue 1, Pages 144-154Publisher
ELSEVIER SCIENCE INC
DOI: 10.1002/jps.24278
Keywords
caffeic acid phenethyl ester; nanoparticles; metastasis; invasion; cancer chemotherapy; natural products; polymeric drug carrier
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The aim of this study is to fabricate caffeic acid phenethyl ester (CAPE)-incorporated nanoparticles using methoxy poly(ethylene glycol)-b-poly(epsilon-caprolactone) (CE) copolymer and to study their antitumor activity against pulmonary metastasis model of CT26 colon carcinoma cells. CAPE-incorporated nanoparticles showed spherical shapes having small diameters less than 300 nm and CAPE was continuously released from CE nanoparticles over 4 days. CAPE-incorporated polymeric micelles properly inhibited proliferation and induced apoptosis of CT26 cells as well as CAPE itself. Furthermore, they showed similar anti-invasive and antimigrative effect against CT26 cells at in vitro compared with CAPE itself, indicating that CAPE-incorporated nanoparticles have at least equivalent anticarcinogenic activity against CT26 cells compared with CAPE itself. At pulmonary metastasis model of CT26 cells using nude mouse, CAPE-incorporated nanoparticles have superior antimetastatic efficacy against, that is, control treatment with pulmonary metastasis model showed significant increase of lung weight because of the metastasis of tumor cells, whereas CAPE or CAPE-incorporated nanoparticles properly inhibited metastasis of tumor cells. We suggest CAPE-incorporated nanoparticles as a promising candidate for antimetastatic chemotherapeutic agent. (c) 2014 Wiley Periodicals, Inc. and the American Pharmacists Association J Pharm Sci 104:144-154, 2015
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