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IL_3可维持B细胞前体生长,前B细胞持续增殖依赖于IL_3;近来又发现,重组IL_4(rIL_4)能加速14～15日龄胎鼠胸腺内T细胞前体增殖,还能使其分化为CTL;最近又
Recently, it has been found that recombinant IL_4 (rIL_4) can accelerate the proliferation of T cell precursors in the thymus of fetal mice aged 14 to 15 days, and can also differentiate into CTL; recently again