| 摘要 |
The present invention provides methods and compositions for affecting functional differences of blood memory CD4+ T cell populations in a subject by providing isolated and purified T cell subsets selected from X5+ CD4+ or X5−CD4+ T cells to a subject. Another invention includes a method for regulating CD4+ T cells comprising the steps of isolating and purifying one or more naïve CD4+ T cells from a subject; contacting the one or more naïve CD4+ T cells with one or more cytokines selected from IL-6 and TGF-b, IL-12, or TGF-b and IL-12; and modifying the expression of the factors from the naïve CD4+ T cells wherein the one or more factors are the expression of IL-21, the decreased expression of IFN-g, the expression of CXCR5, the expression of Bcl-6, the decreased expression of Blimp-1, or a combination thereof.
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