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BACKGROUND: Lentiviral vectors have emerged as efficient vehicles for transgene delivery in both dividing and non-dividing cells. A number of different modifications in vector design have increased biosafety and transgene expression. However, despite these advances, the transduction of primary human T cells is still challenging and methods to achieve efficient gene transfer are often expensive and time-consuming. RESULTS: Here we present a simple optimised protocol for the generation and transduction of lentivirus in primary human CD45RA+ T cells. We show that generation of high-titre lentivirus with improved primary T cell transduction is dependent upon optimised ultracentrifuge speed during viral concentration. Moreover, we demonstrate that transduction efficiency can be increased with simple modifications to the culturing conditions. Overall, a transduction efficiency of up to 89% in primary human CD45RA+ cells is achievable when these modifications are used in conjunction. CONCLUSION: The optimised protocol described here is easy to implement and should facilitate the production of high-titre lentivirus with superior transduction efficiency in primary human T cells without the need for further purification methods.

Original publication




Journal article


Bmc biotechnol

Publication Date





Butyric Acid, Calcium Phosphates, Gene Transfer Techniques, Genetic Vectors, HEK293 Cells, Humans, Lentivirus, Leukocyte Common Antigens, Lipids, Plasmids, T-Lymphocytes, Transduction, Genetic, Transfection, Transgenes