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  4. Weak cell cycle dependency but strong distortive effects of transfection with lipofectamine 2000 in near-physiologically synchronized cell culture
 
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Weak cell cycle dependency but strong distortive effects of transfection with lipofectamine 2000 in near-physiologically synchronized cell culture

Publikationstyp
Journal Article
Date Issued
2016-09-10
Sprache
English
Author(s)
Fuge, Grischa  orcid-logo
Zeng, An-Ping  orcid-logo
Jandt, Uwe  
Institut
Bioprozess- und Biosystemtechnik V-1  
TORE-URI
http://hdl.handle.net/11420/3224
Journal
Engineering in life sciences  
Volume
17
Issue
4
Start Page
348
End Page
356
Citation
Engineering in Life Sciences 4 (17): 348-356 (2017-04-01)
Publisher DOI
10.1002/elsc.201600113
Scopus ID
2-s2.0-84991105116
Publisher
Wiley-VCH
Previously, we reported a method to generate and validate cell cycle-synchronized cultures of multiple mammalian suspension cell lines under near-physiological conditions. This method was applied to elucidate the putative interdependencies of the cell cycle and recombinant protein expression in the human producer cell line HEK293s using Lipofectamine 2000 and the reporter plasmid pcDNA3.3 enhanced green fluorescent protein, destabilized using PEST sequence. A population-resolved modeling approach was applied to quantitatively assess putative variations of cell cycle dependent expression rates based on the obtained experimental data. We could not confirm results published earlier by other groups, based on nonphysiological synchronization attempts, reporting transfection efficiency being strongly dependent on the cell cycle phase at transfection time point. On the other hand, it is demonstrated that transfection and protein expression distort the progression of the cell cycle.
Subjects
Cell cycle distortion
Cell cycle synchronization
Lipofection
Modeling
DDC Class
570: Biowissenschaften, Biologie
620: Ingenieurwissenschaften
More Funding Information
Funding by the Deutsche Forschungsgemeinschaft (DFG; research project “Neue Ansätze zur populationsbasierten kinetischen Untersuchung und Modellierung von Hochzelldichte‐Zellkulturen,” Grant Number: ZE 542/9‐1) as well as partial funding by German Federal Ministry of Education and Research (BMBF, Grant Number 031A128).
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