Taylor, K;
Najlah, M;
Jain, M;
Wan, K;
Ahmed, W;
Albed Alhnan, M;
Phoenix, DA;
(2018)
Ethanol-based proliposome delivery systems of Paclitaxel for in vitro application against brain cancer cells.
Journal of Liposome Research
, 28
(1)
pp. 74-85.
10.1080/08982104.2016.1259628.
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Abstract
In this study the anticancer activity of paclitaxel-loaded nano-liposomes on glioma cell lines was investigated. Soya phosphatidylcholine: cholesterol (SPC:Chol), hydrogenated soya phosphatidylcholine: cholesterol (HSPC:Chol) or dipalmitoylphosphatidylcholine: cholesterol (DPPC:Chol) in 1:1 mole ratio were used to prepare ethanol-based proliposomes. Following hydration of proliposomes, the size of resulting vesicles was subsequently reduced to nanometre scale via probe-sonication. The resulting formulations were characterised in terms of size, zeta potential and morphology of the vesicles, and entrapment efficiency of paclitaxel (PX) as well as the final pH of the preparations. DPPC-liposomes entrapped 35-92% of PX compared to 27-74% and 25-60% entrapped by liposomes made from SPC and HSPC formulations respectively, depending on drug concentration. The entrapment efficiency of liposomes was dependent on the lipid bilayer properties and ability of PX to modify surface charge of the vesicles. In vitro cytotoxicity studies revealed that PX-liposome formulations were more selective at inhibiting the malignant cells. The cytotoxicity of PX-liposomes was dependent on their drug entrapment efficiency. This study has shown PX-liposomes generated from proliposomes have selective activity against glioma cell lines, and the synthetic DPPC phospholipid was most suitable for maximised drug entrapment and highest activity against the malignant cells in vitro.
| Type: | Article |
|---|---|
| Title: | Ethanol-based proliposome delivery systems of Paclitaxel for in vitro application against brain cancer cells |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1080/08982104.2016.1259628 |
| Publisher version: | http://dx.doi.org/10.1080/08982104.2016.1259628 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Proliposome; entrapment efficiency; cytotoxicity; phospholipids; paclitaxel; cell culture |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > UCL School of Pharmacy UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > UCL School of Pharmacy > Pharmaceutics |
| URI: | https://discovery.ucl.ac.uk/id/eprint/1527374 |
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