Protein tag-mediated conjugation of oligonucleotides to recombinant affinity binders for proximity ligation

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Publications associées (31)

A High-Throughput Microfluidic Platform for Mammalian Cell Transfection and Culturing

Sebastian Maerkl, Kristina Pan Woodruff

Mammalian synthetic biology could be augmented through the development of high-throughput microfluidic systems that integrate cellular transfection, culturing, and imaging. We created a microfluidic chip that cultures cells and implements 280 independent t ...

Nature Research2016

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

Florian Maria Wurm, Lucia Baldi Unser, David Hacker, 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

A simple plasmid-based transient gene expression method using High Five cells

Florian Maria Wurm, Lucia Baldi Unser, David Hacker, Virginie Bachmann, Xiao Shen

The High Five (H5) cell line, derived from the lepidopteran Trichoplusia ni, is one of the major insect cell hosts for the production of recombinant proteins using the baculovirus expression vector system (BEVS). Here, we describe a simple polyethylenimine ...

Elsevier2015

Transcriptional and post-transcriptional limitations of high-yielding, PEI-mediated transient transfection with CHO and HEK-293E cells

Florian Maria Wurm, Lucia Baldi Unser, David Hacker, Divor Kiseljak, Yashas Rajendra

Transient gene expression (TGE) in human embryonic kidney (HEK-293) and Chinese hamster ovary (CHO) cells is a well-established technology for the rapid generation of recombinant proteins. Although the maximum TGE yields have reached 1 g/L or more, the amo ...

American Chemical Society2015

Study of transposon-mediated cell pool and cell line generation in CHO cells

Sowmya Balasubramanian

The goal of this thesis was to evaluate the use of artificial transposon systems for the generation of recombinant cell pools and cell lines with Chinese hamster ovary (CHO) cells as the production host. Transposons are naturally occurring genetic elements ...

EPFL2015

Overcoming inefficient secretion of recombinant VEGF-C in baculovirus expression vector system by simple purification of the protein from cell lysate

Witold Waldemar Kilarski

The first reports about successfully expressed recombinant proteins with the use of a baculovirus vector were published over 30 years ago. Despite the long time of refining this expression system, early problems with the production of baculovirus-derived s ...

Academic Press Inc Elsevier Science2015

Mathematical models and computational methods for the analysis of genome-scale protein synthesis

Julien Racle

Proteins are a ubiquitous and indispensable element for every living organism, from simple bacteria to mammals. Already in the simplest organisms, there exist some thousands of different protein species that take up a great variety of structures, and thus ...

EPFL2014

Development of plasmid-based expression technology for rapid and sustained production of recombinant proteins in insect cells

Xiao Shen

Due to the high demand for heterogeneous protein production in insect cells, we have established efficient methods for plasmid-based transient gene expression (TGE) in various insect cell lines, including commonly used Spodoptera cell lines Sf9 and HighFiv ...

EPFL2014

Virus-free transient protein production in Sf9 cells

Florian Maria Wurm, Lucia Baldi Unser, David Hacker, Xiao Shen

A method for virus-free transient gene expression from suspension-adapted Sf9 insect cells was developed with the gene of interest being expressed from a plasmid carrying the homologous region 5 enhancer (hr5) and the immediate early 1 (ie1) promoter from ...

Elsevier2014

A high-capacity cell macroencapsulation system supporting the long-term survival of genetically engineered allogeneic cells

Patrick Aebischer, Matthias Lütolf, Bernard Schneider, Steffen Cosson, Aurélien Lathuilière

The rapid increase in the number of approved therapeutic proteins, including recombinant antibodies, for diseases necessitating chronic treatments raises the question of the overall costs imposed on healthcare systems. It is therefore important to investig ...

Elsevier2014

Reactions of Grignard Reagents with Nitrous Oxide

Kay Severin, Rosario Scopelliti, Euro Solari, Alexander Tskhovrebov

The chemical activation of nitrous oxide (N2O) can be achieved by organocalcium, organosodium, and organolithium compounds. Grignard reagents, on the other hand, are believed to be inert. We demonstrate that this generalization is not correct. Some aliphat ...

American Chemical Society2014

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