Publications de Zuzana Kadlecova

Rapid recombinant protein production from piggyBac transposon-mediated stable CHO cell pools

Florian Maria Wurm, David Hacker, Lucia Baldi Unser, Zuzana Kadlecova, Sowmya Balasubramanian

Heterogeneous populations of stably transfected cells (cell pools) can serve for the rapid production of moderate amounts of recombinant proteins. Here, we propose the use of the piggyBac (PB) transposon system to improve the productivity and long-term sta ...

Elsevier2015

DNA delivery with hyperbranched polylysine: A comparative study with linear and dendritic polylysine

Florian Maria Wurm, Harm-Anton Klok, David Hacker, Lucia Baldi Unser, Yashas Rajendra, Zuzana Kadlecova

PEI and polylysine are among the most investigated synthetic polymeric carriers for DNA delivery. Apart from their practical use, these 2 classes of polymers are also of interest from a fundamental point of view as they both can be prepared in different ar ...

Elsevier2013

Comparative Study on the In Vitro Cytotoxicity of Linear, Dendritic, and Hyperbranched Polylysine Analogues

Harm-Anton Klok, Florian Maria Wurm, David Hacker, Lucia Baldi Unser, Zuzana Kadlecova

Lysine-based polycations are widely used as nonviral carriers for gene delivery. This manuscript reports the results of a comparative study on the in vitro cytotoxicity of a library of three structural polylysine variants, namely, linear polylysine (LPL), ...

American Chemical Society2012

Hyperbranched Polylysine: A Versatile, Biodegradable Transfection Agent for the Production of Recombinant Proteins by Transient Gene Expression and the Transfection of Primary Cells

Harm-Anton Klok, Florian Maria Wurm, Lucia Baldi Unser, David Hacker, Zuzana Kadlecova, Yashas Rajendra

The feasibility of a new transfection agent, HBPL, for the production of recombinant IgG antibody via TGE as well as for the transfection of primary cells is studied. Under the conditions investigated, transfection of CHO-DG44 cells using HBPL results in I ...

2012

Assessment of transferrin recycling by Triplet Lifetime Imaging in living cells

Theo Lasser, Harm-Anton Klok, Zuzana Kadlecova

An optical method is presented that allows the measurement of the triplet lifetime of a fluorescent molecule. This is a characteristic specific to each fluorophore. Based on differences in triplet lifetimes of two fluorescent species (autofluorescence vers ...

Optical Soc Amer2012

Poly(ethyleneimine)-Mediated Large-Scale Transient Gene Expression: Influence of Molecular Weight, Polydispersity and N-Propionyl Groups

Harm-Anton Klok, Florian Maria Wurm, David Hacker, Lucia Baldi Unser, Zuzana Kadlecova, Sophie Nallet

Three synthesis lots of linear poly(ethyleneimine) (PEI) are compared to a fully hydrolyzed linear PEI (commercially available as PEI Max) regarding structure, polyplex formation with plasmid DNA, and transfection of suspension-adapted HEK-293E cells. PEI ...

Wiley-Blackwell2012

Gene Delivery with Hyperbranched Polylysine

Zuzana Kadlecova

The delivery of exogenous nucleic acids into mammalian cells is a valuable technique for basic research studies on the expression, regulation and function of genes and proteins. At the same time, gene delivery to cultivated mammalian cells has become funda ...

EPFL2011

Potential novel drug carriers for inner ear treatment: hyperbranched polylysine and lipid nanocapsules

Harm-Anton Klok, Zuzana Kadlecova, Markus Scholl

Aim: Treatment of sensorineural hearing loss could be advanced using novel drug carriers such as hyperbranched polylysine (HBPL) or lipid nanocapsules (LNCs). This study examined HBPL and LNCs for their cellular uptake and possible toxicity in vitro and in ...

Future Medicine2009

Dendritic and hyperbranched polyamides

Harm-Anton Klok, Zuzana Kadlecova, Markus Scholl

This article discusses the synthesis and properties of dendritic and hyperbranched polyamides. The first part of the article focuses on peptide dendrimers and starts with providing an overview of the synthetic pathways that have been used to prepare dendri ...

2009