ArticleCytotechnology2009
The heterogeneous nature of polyethylenimine-DNA complex formation affects transient gene expression.
Article in Cytotechnology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
10 citing papers in PubMed, 36 citations in OpenAlex.
- Backbone-Minimised Nanoplasmid DNA Systems Enable High-Titre AAV Production in Suspension HEK293 Platforms.Pharmaceutics · 2026Article
- Design space determination to optimize DNA complexation and full capsid formation in transient rAAV manufacturing.Biotechnology and bioengineering · 2023Article
- Cytocompatibility and Osteoinductive Properties of Collagen-Fibronectin Hydrogel Impregnated with siRNA Targeting Glycogen Synthase Kinase 3β: In Vitro Study.Biomedicines · 2023Article
- Chimeric Human Papillomavirus-16 Virus-like Particles Presenting HIV-1 P18I10 Peptide: Expression, Purification, Bio-Physical Properties and Immunogenicity in BALB/c Mice.International journal of molecular sciences · 2023Article
- Augmenting recombinant antibody production in HEK293E cells: optimizing transfection and culture parameters.Antibody therapeutics · 2022Article
- Efficient Non-Viral Gene Modification of Mesenchymal Stromal Cells from Umbilical Cord Wharton's Jelly with Polyethylenimine.Pharmaceutics · 2020Article
- The transient expression of CHIKV VLP in large stirred tank bioreactors.Cytotechnology · 2019Article
- PEI/DNA formation affects transient gene expression in suspension Chinese hamster ovary cells via a one-step transfection process.Cytotechnology · 2013Article
- Structure and biological activity of pathogen-like synthetic nanomedicines.Nanomedicine : nanotechnology, biology, and medicine · 2012Article
- Nipah virus infection and glycoprotein targeting in endothelial cells.Virology journal · 2010Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Polyethylenimine has been used widely in transient gene expression with mammalian cells. To further understand its mediation of gene transfer, the transfection of HEK 293-F cells with dynamically prepared PEI/DNA complexes was studied with the help of fluorescent labeling. The efficiency of complex endocytosis/phagocytosis was found to correlate with the average sizes of complexes applied and complexes greater than 1 μm in diameter were likely excluded by the cells. Coupled with complex growth in size, the degree of association between PEI and DNA increased with the time of complex formation in the presence of competing ions. The blocking of transcription by complex formation necessitated complex dissociation in the nuclear environment for transcription to happen. Intracellularly, the fates of PEI complexed DNA therefore may be mostly determined by the degree of association. Results also suggested that the uptake of PEI/DNA complexes and subsequent protein expression were independent of the cell cycle stages of HEK 293-F cells.
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.