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T细胞在机体免疫机能调控和细胞免疫反应中具有十分重要的作用。处在静息期的T细胞,只有在受到抗原等激活之后,发生增殖和分化,才能充分发挥其功能,所以研究T细胞激活机理,对于阐明T细胞的作用
T cells play an important role in the regulation of immune function and cellular immune responses. T cells that are in resting state can only proliferate and differentiate after they are activated by antigens. In order to fully exert their functions, the mechanism of T cell activation is studied to elucidate the role of T cells.