Enhanced gene transfection efficiency by low-dose 25 kDa polyethylenimine by the assistance of 1.8 kDa polyethylenimine

H Zhang, Z Chen, M Du, Y Li, Y Chen - Drug delivery, 2018 - Taylor & Francis
Gene therapy is a promising strategy for treatments of various diseases. Efficient and safe
introduction of therapeutic genes into targeted cells is essential to realize functions of the …

[HTML][HTML] Efficient gene transfection into mammalian cells mediated by cross-linked polyethylenimine

W Dong, S Li, G Jin, Q Sun, D Ma, Z Hua - International Journal of …, 2007 - mdpi.com
25 kDa branched polyethylenimine (PEI) has successfully been used for in vitro and in vivo
gene delivery approaches, but it is cytotoxic. Smaller PEIs are usually non-cytotoxic but less …

Cross-linked polyethylenimine as potential DNA vector for gene delivery with high efficiency and low cytotoxicity

W Dong, GH Jin, SF Li, QM Sun, DY Ma… - Acta biochimica et …, 2006 - academic.oup.com
Polyethylenimine (PEI) has been known as an efficient gene carrier with the highest cationic
charge potential. High transfection efficiency of PEI, along with its cytotoxicity, strongly …

Polyethylenimine-based formulations for delivery of oligonucleotides

F Hao, Y Li, J Zhu, J Sun, B Marshall… - Current medicinal …, 2019 - ingentaconnect.com
Polyethyleneimine (PEI) is well-known as a non-viral gene delivery vector, especially for
oligonucleotide delivery. However, its clinical applications are significantly limited due to its …

Optimization of 25ákDa linear polyethylenimine for efficient gene delivery

SH Huh, HJ Do, HY Lim, DK Kim, SJ Choi, H Song… - Biologicals, 2007 - Elsevier
A 25-kDa linear polyethylenimine (25kDa L-PEI) has proven to be efficient and versatile
agent for gene delivery. Therefore, we determined the optimal transfection conditions of …

Biodistribution and tissue expression kinetics of plasmid DNA complexed with polyethylenimines of different molecular weight and structure

GJ Jeong, HM Byun, JM Kim, H Yoon, HG Choi… - Journal of controlled …, 2007 - Elsevier
Polyethylenimine (PEI) has been studied as an efficient and versatile in vitro and in vivo
gene delivery agent. Here, we report the in vivo fate, tissue expression duration, and safety …

Synthesis and characterization of low molecular weight linear polyethylenimines for gene delivery

M Matar, G Slobodkin, A Rea-Ramsey… - Journal of …, 2006 - ingentaconnect.com
The therapeutic application of commercially available polyethylenimines (eg, PEI 25 kD) is
marred by substantial toxicity. The benefit of using lower molecular weight …

Different behavior of branched and linear polyethylenimine for gene delivery in vitro and in vivo

L Wightman, R Kircheis, V Rössler… - The Journal of Gene …, 2001 - Wiley Online Library
Background Efficient gene transfer is a major challenge for non‐viral gene therapy.
Understanding how non‐viral vectors initiate gene expression could lead to the …

Low-molecular-weight polyethylenimine as a non-viral vector for DNA delivery: comparison of physicochemical properties, transfection efficiency and in vivo …

K Kunath, A von Harpe, D Fischer, H Petersen… - Journal of Controlled …, 2003 - Elsevier
Low-molecular-weight polyethylenimine (LMW-PEI) was synthesized by the acid-catalyzed,
ring-opening polymerization of aziridine and compared with commercially available high …

Modified polyethyleneimine with histidine–lysine short peptides as gene carrier

M Hashemi, BH Parhiz, A Hatefi, M Ramezani - Cancer gene therapy, 2011 - nature.com
There are several strategies that can be utilized to improve transfection efficiency while
reducing the cytotoxicity of polyethyleneimine (PEI) as a promising non-viral gene delivery …