英文: Conclusion Both tetrose and mannan had the effects in blocking melanoma experimental liver metastasis,inhibiting transmigration of the liver,and prolonging the survival time of the mouse.
英文: Methods After treated with mg tetrose(tetrose group)or mg mannan(mannan group)for 0 minutes at 7℃,0.ml×0 B MBK melanoma cells were injected intraspleen.
中文: 方法将0．ml的×0个B－MBK黑色素瘤细胞与mg四糖（四糖组）或mg甘露聚糖（甘露聚糖组）体外 7℃预温 7分钟后，注入小鼠脾内。
英文: Neither tetrose nor mannan group had metastasis of the liver,and the weights of liver in the two groups were significantly lower than in the control.
英文: Objective To observe the effects of achemically synthesized tetrose and anatural yeast mannan on mouse melanoma experimental liver metastasis.
英文: One mouse had aneoplasm in the remnant site of injection, had metastases in lungs,while of the mice in tetrose group,one died on the 0thday of injection.
中文: 四糖组只小鼠中只在第0天死亡并在肝脏表面有 个瘤结节，最大直径为0mm×8mm，其余只均无肝转移，但有 只小鼠在注射局部形成了肿瘤；