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用刀豆蛋白Ａ（ＣｏｎＡ）治疗移植有ＭＡ７３的小鼠可在一定程度上抑制肿瘤，并延长了小鼠生存期。电镜下治疗小鼠的肿瘤细胞可见程序性死亡倾向，与对照相比，有更多淋巴细胞浸润。
Treatment of mice transplanted with MA73 with concanavalin A (ConA) inhibited the tumor to some extent and prolonged the survival of the mice. Under the electron microscope, tumor cells in mice treated with electron microscopy showed propensity for programmed death, and there was more lymphocytic infiltration than the control.