Journal
ANTI-CANCER DRUGS
Volume 26, Issue 8, Pages 824-834Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/CAD.0000000000000235
Keywords
apoptosis; cytotoxic activity; liposomes; -mangostin; reverse-phase evaporation
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Funding
- Thailand Research Fund (TRF) through the Royal Golden Jubilee Ph.D. Program [PHD/0059/2549]
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The aims of this study were to develop -mangostin liposomes as well as to evaluate their physicochemical properties and cytotoxic activity. -Mangostin liposomes were prepared using the reverse-phase evaporation method with lipid composition of phosphatidylcholine to cholesterol at 7:3 molar ratios; their physicochemical properties and antiproliferative activity were assessed using an MTT assay in four human carcinoma cells [that is, human lung epithelial carcinoma (Calu-3), human colon carcinoma (HT-29), human breast carcinoma (MCF-7), and human colon carcinoma (Caco-2) cells], and two human normal cells [that is, human dermal fibroblasts (HDF) and human adult low-calcium elevated temperature (HaCaT) keratinocytes]. Determinations of morphological changes and oligonucleosomal DNA fragments were also carried out. The liposomal dispersions obtained were unilamellar vesicles as confirmed by cryotransmission and freeze-fracture electron microscopy with a particle size of 114nm and a potential of -2.56mV. The P-31-NMR spectra showed that -mangostin molecules orientated in the phospholipid bilayer membrane. The -mangostin could appreciably be entrapped with an efficiency and loading of 81 and 4%, respectively. The antiproliferative activity of -mangostin liposomes in various cancer and normal cells showed a dose-dependent inhibition in all treated cell lines. The antiproliferative effect of -mangostin liposomes was found to be associated with apoptosis, with differences in sensitivity among the cell lines treated. Copyright (C) 2015 Wolters Kluwer Health, Inc. All rights reserved.
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