High-level and high-throughput recombinant protein production by transient transfection of suspension-growing human 293-EBNA1 cells

Y Durocher, S Perret, A Kamen - Nucleic acids research, 2002 - academic.oup.com
A scalable transfection procedure using polyethylenimine (PEI) is described for the human
embryonic kidney 293 cell line grown in suspension. Green fluorescent protein (GFP) and …

Large‐scale transient transfection of serum‐free suspension‐growing HEK293 EBNA1 cells: Peptone additives improve cell growth and transfection efficiency

PL Pham, S Perret, HC Doan, B Cass… - Biotechnology and …, 2003 - Wiley Online Library
Large‐scale transient transfection of mammalian cells is a recent and powerful technology
for the fast production of milligram amounts of recombinant proteins (r‐proteins). As many r‐…

[HTML][HTML] Stable high volumetric production of glycosylated human recombinant IFNalpha2b in HEK293 cells

M Loignon, S Perret, J Kelly, D Boulais, B Cass… - BMC …, 2008 - Springer
Background Mammalian cells are becoming the prevailing expression system for the production
of recombinant proteins because of their capacity for proper protein folding, assembly, …

On‐line monitoring of respiration in recombinant‐baculovirus infected and uninfected insect cell bioreactor cultures

AA Kamen, C Bédard, R Tom, S Perret… - Biotechnology and …, 1996 - Wiley Online Library
Respiration rates in Spodoptera frugiperda (Sf‐9) cell bioreactor cultures were successfully
measured on‐line using two methods: The O 2 uptake rate (OUR) was determined using gas …

A simplified polyethylenimine-mediated transfection process for large-scale and high-throughput applications

C Raymond, R Tom, S Perret, P Moussouami… - Methods, 2011 - Elsevier
Transient gene expression in mammalian cells is a valuable alternative to stable cell lines
for the rapid production of large amounts of recombinant proteins. While the establishment of …

A reporter gene assay for high-throughput screening of G-protein-coupled receptors stably or transiently expressed in HEK293 EBNA cells grown in suspension …

Y Durocher, S Perret, E Thibaudeau, MH Gaumond… - Analytical …, 2000 - Elsevier
We describe in detail a robust, sensitive, and versatile functional assay for G-protein-coupled
receptors (GPCRs) expressed in human embryonic kidney (HEK) 293-EBNA (Epstein–Barr …

Rapid, high-yield production of full-length SARS-CoV-2 spike ectodomain by transient gene expression in CHO cells

M Stuible, C Gervais, S Lord-Dufour, S Perret… - Journal of …, 2021 - Elsevier
Recombinant forms of the spike protein of SARS-CoV-2 and related viruses have proven
difficult to produce with good yields in mammalian cells. Given the panoply of potential COVID-…

[HTML][HTML] Arsenal of nanobodies shows broad-spectrum neutralization against SARS-CoV-2 variants of concern in vitro and in vivo in hamster models

…, C Gervais, M Stuible, J Guimond, S Perret… - Communications …, 2022 - nature.com
Nanobodies offer several potential advantages over mAbs for the control of SARS-CoV-2.
Their ability to access cryptic epitopes conserved across SARS-CoV-2 variants of concern (…

Rapid protein production from stable CHO cell pools using plasmid vector and the cumate gene-switch

A Poulain, S Perret, F Malenfant, A Mullick… - Journal of …, 2017 - Elsevier
To rapidly produce large amounts of recombinant proteins, the generation of stable Chinese
Hamster Ovary (CHO) cell pools represents a useful alternative to large-scale transient …

A CHO stable pool production platform for rapid clinical development of trimeric SARS‐CoV‐2 spike subunit vaccine antigens

…, L Lamoureux, F Vaillancourt, S Perret… - Biotechnology and …, 2023 - Wiley Online Library
Protein expression from stably transfected Chinese hamster ovary (CHO) clones is an
established but time‐consuming method for manufacturing therapeutic recombinant proteins. The …