De novo-generated donor-derived CD4+ T cells in recipients given low dose donor CD8+ T cells play an

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(1)Kinetic changes of CD4+CD8+ thymocyte regeneration Lethally irradiated BALB/c recipients were transplanted with donor C57BL/6 TBCD-BM(2.5 x 106)and 0.1 x106 donor CD4+ or CD8+ T cells.CD4+CD8+ thymocyte regeneration at days 15,30,45,and 60 after HCT was kinetically compared.
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