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A Nontoxic Transduction Enhancer Enables Highly Efficient Lentiviral Transduction of Primary Murine T Cells and Hematopoietic Stem Cells.

Abstract：

:Lentiviral vectors have emerged as an efficient, safe therapeutic tool for gene therapy based on hematopoietic stem cells (HSCs) or T cells. However, the monitoring of transduced cells in preclinical models remains challenging because of the inefficient transduction of murine primary T cells with lentiviral vectors, in contrast to gammaretroviral vectors. The use of this later in preclinical proof of concept is not considered as relevant when a lentiviral vector will be used in a clinical trial. Hence, there is an urgent need to develop an efficient transduction protocol for murine cells with lentiviral vectors. Here, we describe an optimized protocol in which a nontoxic transduction enhancer (Lentiboost) enables the efficient transduction of primary murine T cells with lentiviral vectors. The optimized protocol combines low toxicity and high transduction efficiency. We achieved a high-level transduction of murine CD4+ and CD8+ T cells with a VSV-G-pseudotyped lentiviral vector with no changes in the phenotypes of transduced T cells, which were stable and long-lived in culture. This enhancer also increased the transduction of murine HSCs. Hence, use of this new transduction enhancer overcomes the limitations of lentiviral vectors in preclinical experiments and should facilitate the translation of strategies based on lentiviral vectors from the bench to the clinic.

journal_name

Mol Ther Methods Clin Dev

journal_title

Molecular therapy. Methods & clinical development

authors

Delville M,Soheili T,Bellier F,Durand A,Denis A,Lagresle-Peyrou C,Cavazzana M,Andre-Schmutz I,Six E

doi

10.1016/j.omtm.2018.08.002

subject

Has Abstract

pub_date

2018-08-08 00:00:00

pages

341-347

issn

2329-0501

pii

S2329-0501(18)30079-2

journal_volume

10

pub_type

杂志文章

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