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Combined Use of IL-2 and IL-7 Augments the in vitro Growth of T Lymphocytes with Maintenance of Functional Specificity
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Abstract:
The results of the current studies demonstrated that the combined use of IL - 2 and IL - 7 could augment the in vitro proliferative responses of tumor - specific T cell lines and clones to antigen stimulation, increasing stimulation induces 6 to 8 times greater than using either IL - 2 or IL - 7 alone. Antigen - driven T cells maintained in culture using this combined cytokine regimen can be induced to grow and maintained functional in large numbers and survive long-term in cultrue with each antigen restimulation cycle prolonged to six weeks. The IL-2 doses used in this combined cytokine regimen can be reduced 10 to 100 times that of cultures using IL-2 alone. Thus, the combined use of IL-2 plus IL-7 is effective for procuring large numbers of antigen - specific functional T cells in vitro.
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