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The functional curcumin liposomes induce apoptosis in C6 glioblastoma cells and C6 glioblastoma stem cells in vitro and in animals

Authors Wang YH, Ying X, Xu HL, Yan HL, Li X, Tang H

Received 10 October 2016

Accepted for publication 20 December 2016

Published 17 February 2017 Volume 2017:12 Pages 1369—1384


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Linlin Sun

Yahua Wang, Xue Ying, Haolun Xu, Helu Yan, Xia Li, Hui Tang

Key Laboratory of Xinjiang Phytomedicine Resources and Modernization of TCM, School of Pharmaceutical Sciences, Shihezi University, Shihezi, Xinjiang, People’s Republic of China

Abstract: Glioblastoma is a kind of malignant gliomas that is almost impossible to cure due to the poor drug transportation across the blood–brain barrier and the existence of glioma stem cells. We prepared a new kind of targeted liposomes in order to improve the drug delivery system onto the glioma cells and induce the apoptosis of glioma stem cells afterward. In this experiment, curcumin was chosen to kill gliomas, while quinacrine was used to induce apoptosis of the glioma stem cells. Also, p-aminophenyl-α-d-mannopyranoside could facilitate the transport of liposomes across the blood–brain barrier and finally target the brain glioma cells. The cell experiments in vitro indicated that the targeted liposomes could significantly improve the antitumor effects of the drugs, while enhancing the uptake effects, apoptosis effects, and endocytic effects of C6 glioma cells and C6 glioma stem cells. Given the animal experiments in vivo, we discovered that the targeted liposomes could obviously increase the survival period of brain glioma-bearing mice and inhibit the growth of gliomas. In summary, curcumin and quinacrine liposomes modified with p-aminophenyl-α-d-mannopyranoside is a potential preparation to treat brain glioma cells and brain glioma stem cells.

Keywords: C6 glioblastoma stem cells, apoptosis, blood–brain barrier, curcumin liposomes, brain glioma-bearing rats

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