A stable murine-based RD114 retroviral packaging line efficiently transduces human hematopoietic cells

M Ward, R Sattler, IR Grossman, AJ Bell, D Skerrett… - Molecular Therapy, 2003 - cell.com
Several barriers exist to high-efficiency transfer of therapeutic genes into human
hematopoietic stem cells (HSCs) using complex oncoretroviral vectors. Human clinical trials …

Screening clinical cell products for replication competent retrovirus: the national gene vector biorepository experience

K Cornetta, L Duffy, SA Feldman, CL Mackall… - … Therapy Methods & …, 2018 - cell.com
Replication-competent retrovirus (RCR) is a safety concern for individuals treated with
retroviral gene therapy. RCR detection assays are used to detect RCR in manufactured …

A rapid screening procedure for the identification of high-titer retrovirus packaging clones

B Murdoch, DS Pereira, X Wu, JE Dick, J Ellis - Gene therapy, 1997 - nature.com
We have developed a viral RNA (vRNA) dot blot assay for rapid identification of high-titer
retrovirus vector production by packaging cell clones. The procedure employs Trizol LS …

Retroviral vectors: from laboratory tools to molecular medicines

RG Vile, A Tuszynski, S Castleden - Molecular biotechnology, 1996 - Springer
The majority of clinical trials for gene therapy currently employ retroviral-mediated gene
delivery. This is because the life cycle of the retrovirus is well understood and can be …

Large-scale clinical-grade retroviral vector production in a fixed-bed bioreactor

X Wang, M Olszewska, J Qu… - Journal of …, 2015 - journals.lww.com
The successful genetic engineering of patient T cells with γ-retroviral vectors expressing
chimeric antigen receptors or T-cell receptors for phase II clinical trials and beyond requires …

Retroviral end-point titer is not predictive of gene transfer efficiency: implications for vector production.

SP Forestell, E Böhnlein, RJ Rigg - Gene Therapy, 1995 - europepmc.org
Efforts to improve gene transfer (transduction) efficiency achieved with retroviral vectors
often focus on increasing the end-point titer. In this study, we assayed more than 70 …

Characterization of a semi‐replicative gene delivery system allowing propagation of complementary defective retroviral vectors

S Trajcevski, SK Solly, C Frisén… - The Journal of Gene …, 2005 - Wiley Online Library
Background Recently, several cancer gene therapy studies have shown that replication‐
competent retroviral vectors represent a major improvement over replication‐defective ones …

Closed hollow‐fiber bioreactor: a new approach to retroviral vector production

D Pan, CB Whitley - The Journal of Gene Medicine: A cross …, 1999 - Wiley Online Library
Background The ability to obtain high‐titer and large quantities of retroviral vector production
in a 'closed'system would have profound implications in clinical and experimental gene …

Retroviral vector performance in defined chromosomal Loci of modular packaging cell lines

L Gama-Norton, S Herrmann, R Schucht… - Human gene …, 2010 - liebertpub.com
The improvement of safety and titer of retroviral vectors produced in standard retroviral
packaging cell lines is hampered because production relies on uncontrollable vector …

Construction of retro viral packaging cell lines

O Danos - Practical Molecular Virology: Viral Vectors for Gene …, 1991 - Springer
Most of the time, retrovirus vectors retain only cis-acting sequences from the original viral
genome. These sequences allow the recombinant structure to be transcribed (LTR …