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本文报道四溴荧光素对体外培养小鼠淋巴细胞性白血病(L1210)细胞生长有抑制作用,当药物浓度为1、10、50、100ug/ml时平均抑制率分别为11.3%、16.0%、22.3%和33.0%。同时电能抑制人食管癌(ECa109)细胞增殖,使细胞形态发生改变,失去增殖能力。对移植性肿瘤S180的抑瘤率为44.6%。急性毒性试验结果。LD_(50)为263.0±42.9mg/kg。~3H—TdR参入实验认为其抑制肿瘤作用与影响DNA合成有关。
This report reported tetrabromofluorescein inhibited the growth of mouse lymphocytic leukemia (L1210) cells in vitro. When the drug concentration was 1, 10, 50, and 100 μg/ml, the average inhibition rates were 11.3%, 16.0%, and 22.3, respectively. % and 33.0%. At the same time, the electric energy inhibits the proliferation of human esophageal cancer (ECa109) cells, changes the cell morphology and loses the ability to proliferate. The tumor inhibition rate of transplanted tumor S180 was 44.6%. Acute toxicity test results. The LD_(50) was 263.0±42.9 mg/kg. The ~3H-TdR incorporation assay suggested that its inhibition of tumors was related to DNA synthesis.