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已发表论文
姜黄素纳米脂质体靶向治疗颅内胶质瘤模型小鼠
姜黄素纳米脂质体靶向治疗颅内胶质瘤模型小鼠
Authors Zhao M, Zhao M, Fu C, Yu Y, Fu A
Received 14 November 2017
Accepted for publication 24 January 2018
Published 15 March 2018 Volume 2018:13 Pages 1601—1610
DOI https://doi.org/10.2147/IJN.S157019
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Govarthanan Muthusamy
Peer reviewer comments 2
Editor who approved publication: Dr Linlin Sun
Background: Glioma is the most
aggressive and lethal brain tumor in humans, it comprises about 30 per cent of
all brain tumors and central nervous system tumors.
Purpose: The objective of this study was to create novel brain-targeting nanoliposomes to encapsulate curcumin as a promising option for glioma therapy.
Patients and methods: Human glioma cells (U251MG) were used to determine cell uptake efficiency and possible internalization mechanism of the curcumin-loaded nanoliposomes modified by a brain-targeting peptide RDP. In addition, intracranial glioma mice model was prepared by transplantation of U251MG cells into the mice striatum, and then the liposomes were intravenously administered into the glioma-bearing mice to evaluate the anti-glioma activity.
Results: RDP-modified liposomes (RCL) could enter the brain and glioma region, and were internalized by the glioma cells perhaps through acetylcholine receptor-mediated endocytosis pathway. Furthermore, the RCL prolonged the survival time of the glioma-bearing mice from 23 to 33 days, and the inhibition mechanism of the RCL on glioma cell was partly due to cell cycle arrest at the S phase and induction of cell apoptosis.
Conclusion: This study would provide a potential approach for targeted delivery of drug-loaded liposomes for glioma treatment.
Keywords: glioma, targeted delivery, cell apoptosis, cell cycle, survival time
Purpose: The objective of this study was to create novel brain-targeting nanoliposomes to encapsulate curcumin as a promising option for glioma therapy.
Patients and methods: Human glioma cells (U251MG) were used to determine cell uptake efficiency and possible internalization mechanism of the curcumin-loaded nanoliposomes modified by a brain-targeting peptide RDP. In addition, intracranial glioma mice model was prepared by transplantation of U251MG cells into the mice striatum, and then the liposomes were intravenously administered into the glioma-bearing mice to evaluate the anti-glioma activity.
Results: RDP-modified liposomes (RCL) could enter the brain and glioma region, and were internalized by the glioma cells perhaps through acetylcholine receptor-mediated endocytosis pathway. Furthermore, the RCL prolonged the survival time of the glioma-bearing mice from 23 to 33 days, and the inhibition mechanism of the RCL on glioma cell was partly due to cell cycle arrest at the S phase and induction of cell apoptosis.
Conclusion: This study would provide a potential approach for targeted delivery of drug-loaded liposomes for glioma treatment.
Keywords: glioma, targeted delivery, cell apoptosis, cell cycle, survival time
