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Multifunctional liposomes loaded with paclitaxel and artemether for treatment of invasive brain glioma

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单位: [1]Peking Univ, Sch Pharmaceut Sci, State Key Lab Nat & Biomimet Drugs, Beijing 100191, Peoples R China [2]China Japan Friendship Hosp, Inst Clin Med Sci, Beijing, Peoples R China
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关键词: Functional targeting liposomes Brain glioma Cancer stem cells VM channels Anticancer efficacy

摘要:
Invasive brain glioma is the most lethal type of cancer and is highly infiltrating. This leads to an extremely poor prognosis and makes complete surgical removal of the tumor virtually impossible. Non-penetration of therapeutic drugs across the blood-brain barrier (BBB), brain cancer stem cells (CSCs), and brain cancer vasculogenic mimicry (VM) results in relapse after surgical and radio therapy. We developed a functional targeting chemotherapy for transporting drugs across the BBB, destroying VM channels, and eliminating CSCs and cancer cells in the brain. The studies were undertaken on brain glioma cells in vitro and in brain glioma-bearing rats. Using paclitaxel as the anticancer drug and artemether as the regulator of apoptosis and inhibitor of VM channels, a kind of functional targeting paclitaxel plus artemether liposomes was developed by modifying two new functional materials: a mannose-vitamin E derivative conjugate (MAN-TPGS(1000)) and a dequalinium-lipid derivative conjugate (DQA-PEG(2000)-DSPE). The transport mechanism across the BBB was associated with receptor-mediated endocytosis by MAN-TPGS(1000) conjugate via glucose transporters and adsorptive-mediated endocytosis by DQA-PEG(2000)-DSPE conjugate via electric charge-based interactions. The efficacy was related to the destruction of VM channels by regulating VM indicators, as well as the induction of apoptosis in brain cancer cells and CSCs by activating apoptotic enzymes and pro-apoptotic proteins and inhibiting antiapoptotic proteins. These data suggest that the chemotherapy using functional targeting paclitaxel plus artemether liposomes could provide a new strategy for treating invasive brain glioma. (C) 2014 Elsevier Ltd. All rights reserved.

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出版当年[2013]版:
大类 | 1 区 工程技术
小类 | 1 区 工程:生物医学 1 区 材料科学:生物材料
最新[2025]版:
大类 | 1 区 医学
小类 | 1 区 工程:生物医学 1 区 材料科学:生物材料
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出版当年[2012]版:
Q1 MATERIALS SCIENCE, BIOMATERIALS Q1 ENGINEERING, BIOMEDICAL
最新[2023]版:
Q1 ENGINEERING, BIOMEDICAL Q1 MATERIALS SCIENCE, BIOMATERIALS

影响因子: 最新[2023版] 最新五年平均[2021-2025] 出版当年[2012版] 出版当年五年平均[2008-2012] 出版前一年[2011版] 出版后一年[2013版]

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第一作者单位: [1]Peking Univ, Sch Pharmaceut Sci, State Key Lab Nat & Biomimet Drugs, Beijing 100191, Peoples R China
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