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Multifunctional peptide conjugated amphiphilic cationic copolymer for enhancing ECs targeting, penetrating

Xinghong Duo, Lingchuang Bai, Jun Wang, Jintang Guo, Xiangkui Ren, Shihai Xia, Wencheng Zhang, Abraham Domb, Yakai Feng

《化学科学与工程前沿（英文）》 2020年 第14卷 第5期   页码 889-901 doi: 10.1007/s11705-020-1919-8

摘要： Gene therapy has drawn great attention in the treatments of many diseases, especially for cardiovascular diseases. However, the development of gene carriers with low cytotoxicity and multitargeting function is still a challenge. Herein, the multitargeting REDV-G-TAT-G-NLS peptide was conjugated to amphiphilic cationic copolymer poly( -caprolactone-co-3(S)-methyl-morpholine-2,5-dione)- -polyethyleneimine (PCLMD- -PEI) via a heterobifunctional orthopyridyl disulfide-poly(ethylene glycol)- -hydroxysuccinimide (OPSS-PEG-NHS) linker to prepare PCLMD- -PEI-PEG-REDV-G-TAT-G-NLS copolymers with the aim to develop the gene carriers with low cytotoxicity and high transfection efficiency. The multitargeting micelles were prepared from PCLMD- -PEI-PEG-REDV-G-TAT-G-NLS copolymers by self-assembly method and used to load pEGFP-ZNF580 plasmids (pDNA) to form gene complexes for enhancing the proliferation and migration of endothelial cells (ECs). The loading pDNA capacity was proved by agarose gel electrophoresis assay. These multitargeting gene complexes exhibited low cytotoxicity by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay. The high internalization efficiency of these gene complexes was confirmed by flow cytometry. The results of transfection demonstrated that these multitargeting gene complexes possessed relatively high transfection efficiency. The rapid migration of ECs transfected by these gene complexes was verified by wound healing assay. Owing to ECs-targeting ability, cell-penetrating ability and nuclear targeting capacity of REDV-G-TAT-G-NLS peptide, the multitargeting polycationic gene carrier with low cytotoxicity and high transfection efficiency has great potential in gene therapy.

关键词： gene carriers     multitargeting function     ECs     transfection efficiency    

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Erratum to: Multifunctional peptide conjugated amphiphilic cationic copolymer for enhancing ECs targeting

Xinghong Duo, Lingchuang Bai, Jun Wang, Jintang Guo, Xiangkui Ren, Shihai Xia, Wencheng Zhang, Abraham Domb, Yakai Feng

《化学科学与工程前沿（英文）》 2021年 第15卷 第1期   页码 220-220 doi: 10.1007/s11705-020-1995-9

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歼击机环境控制系统控制性能分析

姚洪伟,王浚

《中国工程科学》 2006年 第8卷 第6期   页码 44-47

摘要：

提出了针对环境控制系统特点的脉宽-模糊复合控制方案；使用Matlab软件的Fuzzy工具箱和Simulink工具箱，建立了脉宽调节、PID控制、模糊控制和复合控制等4种控制模型，其中模糊控制模型以混合后的温度与基准温度之间的偏差及其变化率为输入，通过模糊推理得到控制信号；输入温度阶跃信号对该4个控制模型的阶跃响应特性进行了计算和分析；选取一组动态参数作为输入对复合控制模型的动态响应进行仿真计算，结果表明，复合控制系统有效解决了现有脉宽调节系统的温度波动问题。

关键词： 飞机     环境控制     模糊控制     仿真    

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标题 作者 时间 类型 操作

Multifunctional peptide conjugated amphiphilic cationic copolymer for enhancing ECs targeting, penetrating

Xinghong Duo, Lingchuang Bai, Jun Wang, Jintang Guo, Xiangkui Ren, Shihai Xia, Wencheng Zhang, Abraham Domb, Yakai Feng

期刊论文

Erratum to: Multifunctional peptide conjugated amphiphilic cationic copolymer for enhancing ECs targeting

Xinghong Duo, Lingchuang Bai, Jun Wang, Jintang Guo, Xiangkui Ren, Shihai Xia, Wencheng Zhang, Abraham Domb, Yakai Feng

期刊论文

歼击机环境控制系统控制性能分析

姚洪伟,王浚

期刊论文