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载紫杉醇的载药胶束 Angiopep 双靶向 PEG-PCL 纳米粒的抗脑胶质瘤疗效及安全性

Anti-glioblastoma efficacy and safety of paclitaxel-loading Angiopep-conjugated dual targeting PEG-PCL nanoparticles.

机构信息

Key Laboratory of Smart Drug Delivery, Ministry of Education & PLA, School of Pharmacy, Fudan University, Lane 826, Zhangheng Road, Shanghai 201203, China.

出版信息

Biomaterials. 2012 Nov;33(32):8167-76. doi: 10.1016/j.biomaterials.2012.07.046. Epub 2012 Aug 11.


DOI:10.1016/j.biomaterials.2012.07.046
PMID:22889488
Abstract

Therapeutic effect of glioma is often limited due to low permeability of delivery systems across the Blood-Brain Barrier (BBB) and poor penetration into the tumor tissue. In order to overcome the two barriers, we proposed Angiopep-conjugated PEG-PCL nanoparticles (ANG-PEG-NP) as a dual targeting drug delivery system for glioma treatment basing on low density lipoprotein receptor related protein (LRP) receptor not only over-expressed on BBB but also on glioma cells. This system could transport across BBB through LRP-mediated transcytosis and then targeted glioma via LRP-mediated endocytosis. In this study, we evaluated the preliminary availability and safety of ANG-PEG-NP for glioma treatment. The penetration, distribution, and accumulation into 3D glioma spheroid and in vivo glioma region of ANG-PEG-NP were obviously higher than that of plain PEG-PCL nanoparticles (PEG-NP). The anti-glioblastoma efficacy of paclitaxel (PTX) loading ANG-PEG-NP was significantly enhanced as compared to that of Taxol and PEG-NP. Preliminary safety results showed that no acute toxicity to hematological system, liver, kidney and brain tissue was observed after intravenous administration with a dose of 100 mg/kg blank ANG-PEG-NP per day for a week. Results indicate that Angiopep-conjugated dual targeting PEG-PCL nanoparticle is a potential brain targeting drug delivery system for glioma treatment.

摘要

由于递药系统穿越血脑屏障(BBB)的通透性低和难以渗透进入肿瘤组织,胶质瘤的治疗效果往往受到限制。为了克服这两个障碍,我们提出了载有 Angiopep 的聚乙二醇-聚己内酯纳米粒(ANG-PEG-NP)作为一种双重靶向药物递送系统,用于治疗基于低密度脂蛋白受体相关蛋白(LRP)受体的脑胶质瘤,LRP 受体不仅在 BBB 上过度表达,而且在神经胶质瘤细胞上也过度表达。该系统可以通过 LRP 介导的胞吞作用穿过 BBB 进行转运,然后通过 LRP 介导的内吞作用靶向神经胶质瘤。在本研究中,我们评估了 ANG-PEG-NP 用于治疗脑胶质瘤的初步可用性和安全性。ANG-PEG-NP 对 3D 神经胶质瘤球体的穿透、分布和积累以及体内神经胶质瘤区域明显高于普通聚乙二醇-聚己内酯纳米粒(PEG-NP)。与紫杉醇(PTX)负载 Taxol 和 PEG-NP 相比,载有紫杉醇的 ANG-PEG-NP 的抗神经胶质瘤功效显著增强。初步安全性结果表明,静脉注射 100mg/kg ANG-PEG-NP 空白纳米粒每天一次,连续一周,对血液系统、肝脏、肾脏和脑组织均无急性毒性。结果表明,载有 Angiopep 的双重靶向 PEG-PCL 纳米粒是一种用于治疗脑胶质瘤的潜在脑靶向药物递送系统。

相似文献

[1]
Anti-glioblastoma efficacy and safety of paclitaxel-loading Angiopep-conjugated dual targeting PEG-PCL nanoparticles.

Biomaterials. 2012-8-11

[2]
Angiopep-conjugated poly(ethylene glycol)-co-poly(ε-caprolactone) nanoparticles as dual-targeting drug delivery system for brain glioma.

Biomaterials. 2011-3-21

[3]
Synergistic targeting tenascin C and neuropilin-1 for specific penetration of nanoparticles for anti-glioblastoma treatment.

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[4]
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Biomaterials. 2012-10-12

[5]
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Biomaterials. 2013-10-11

[6]
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J Control Release. 2010-1-7

[7]
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Biomaterials. 2013-2-4

[8]
The targeted delivery of anticancer drugs to brain glioma by PEGylated oxidized multi-walled carbon nanotubes modified with angiopep-2.

Biomaterials. 2012-1-26

[9]
Co-delivery of TRAIL gene enhances the anti-glioblastoma effect of paclitaxel in vitro and in vivo.

J Control Release. 2012-3-3

[10]
The brain targeting mechanism of Angiopep-conjugated poly(ethylene glycol)-co-poly(ε-caprolactone) nanoparticles.

Biomaterials. 2011-11-30

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