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IL-12 conditioning improves retrovirally mediated transduction efficiency of CD8+ T cells.

Cancer Gene Ther.. 2015-07;  22(7):360-7
Andrijauskaite K, Suriano S, Cloud CA, Li M, Kesarwani P, Stefanik LS, Moxley KM, Salem ML, Garrett-Mayer E, Paulos CM, Mehrotra S, Kochenderfer JN, Cole DJ, Rubinstein MP. Department of Surgery, Medical University of South Carolina, Charleston, SC, USA.
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The ability to genetically modify T cells is a critical component to many immunotherapeutic strategies and research studies. However, the success of these approaches is often limited by transduction efficiency. As retroviral vectors require cell division for integration, transduction efficiency is dependent on the appropriate activation and culture conditions for T cells. Naive CD8(+) T cells, which are quiescent, must be first activated to induce cell division to allow genetic modification. To optimize this process, we activated mouse T cells with a panel of different cytokines, including interleukin-2 (IL-2), IL-4, IL-6, IL-7, IL-12, IL-15 and IL-23, known to act on T cells. After activation, cytokines were r... More