نتایج جستجو برای: gene delivery polyethyleneimine

تعداد نتایج: 1325684  

Journal: :International Journal of Nanomedicine 2007
Ashwin Basarkar Jagdish Singh

Nanotechnology has tremendously influenced gene therapy research in recent years. Nanometer-size systems have been extensively investigated for delivering genes at both local and systemic levels. These systems offer several advantages in terms of tissue penetrability, cellular uptake, systemic circulation, and cell targeting as compared to larger systems. They can protect the polynucleotide fro...

Journal: :Bioconjugate chemistry 2012
Sunil Mahor Biraja C Dash Stephen O'Connor Abhay Pandit

Nonviral gene delivery systems have a number of limitations including low transfection efficiency, specificity, and cytotoxicity, especially when the target cells are macrophages. To address these issues, the hypothesis tested in this study was that mannose functionalized nanohybrids composed of synthetic and natural polymers will improve transfection efficiency, cell viability, and cell specif...

2012
Wei Fan Xin Wu Baoyue Ding Jing Gao Zhen Cai Wei Zhang Dongfeng Yin Xiang Wang Quangang Zhu Jiyong Liu Xueying Ding Shen Gao

BACKGROUND Cationic copolymers consisting of polycations linked to nonionic amphiphilic block polymers have been evaluated as nonviral gene delivery systems, and a large number of different polymers and copolymers of linear, branched, and dendrimeric architectures have been tested in terms of their suitability and efficacy for in vitro and in vivo transfection. However, the discovery of new pot...

2016
Yi Yang Hang Zhao YanPeng Jia QingFa Guo Ying Qu Jing Su XiaoLing Lu YongXiang Zhao ZhiYong Qian

Local anti-oncogene delivery providing high local concentration of gene, increasing antitumor effect and decreasing systemic side effects is currently attracting interest in cancer therapy. In this paper, a novel local sustained anti-oncogene delivery system, PECE thermoresponsive hydrogel containing folate-poly (ester amine) (FA-PEA) polymer/DNA (tumor suppressor) complexes, is demonstrated. F...

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