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Lentiviral expression system for the purification of secreted proteins from human cell cultures Recombinant proteins of therapeutic use are ideally produced in human cells to ensure appropriate co- and post-translational modifications. CHO cells are mostly used but recent studies highlight that proteins produced in this cell line have a different…
Pseudotyping of lentiviral vector with novel vesiculovirus envelope glycoproteins derived from Chandipura and Piry viruses Lentiviral vectors are commonly pseudotyped with the heterologous envelope VSV-G due to its broad host tropism and stability conferred. However, in some cases, the sensibility of VSV-G by human complement hinders the use of lentiviral…
Lentiviral vectors: the secret behind the rise of CAR-T therapies CAR-T has become a hype within the biotech field recently. Companies promising to deliver this new generation of therapies are shining on stock markets, sometimes leading to billion-dollar valuations. But the rise of CAR-Ts would not have been possible without…
Surface modification via strain-promoted click reaction facilitates targeted lentiviral transduction Since the last decade, the Lentiviral Vector has emerged as a promising vector for gene delivery. This is coming from its high efficiency to transduce a large variety of cells in vitro as well as in vivo. Moreover, the Lentiviral Vector has a…
Kinetics of lentiviral vector transduction in human CD34+ cells Human hematopoietic stem cells (HSCs) are refractory to the lentiviral vector transduction. Improvement of transduction efficiency for human HSCs remains crucial for further development of gene therapy especially for non-immunodeficiency diseases. In this report, the authors investigated which step(s) could be…
Development of 3rd Generation Cocal Envelope Producer Cell Lines for Robust Lentiviral Gene Transfer into Hematopoietic Stem Cells and T Cells Lentiviral vectors (LVs) are currently considered the gold standard for hematopoietic stem cell (HSC) gene therapy and for immunotherapies with genetically modified T cells. LVs have commonly been pseudotyped…
Lentivirus pre-packed with Cas9 protein for safer gene editing The CRISPR/Cas9 system has democratized genome editing and opens the door to an unprecedented use of genome editors. This powerful method is allowing researchers to ask questions that were previously unaskable, leading to new insights into the basis of fundamental biological…
Highly efficient in vitro and in vivo delivery of functional RNAs using new versatile MS2-chimeric retrovirus-like particles RNA delivery is an attractive strategy to achieve transient gene expression in research projects and in cell- or gene-based therapies. However, RNA transfer tools developed until that are not enough efficient to be…
DECKO: Single-oligo, dual-CRISPR deletion of genomic elements including long non-coding RNAs Recently, Estel Aparicio-Prat et al. published a study about a new genome editing system based on CRISPR and lentiviral vector technologies, this tool was specifically designed to knockout long non-coding RNAs. They spell this new system DECKO for Double…
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