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为了寻找有效的抗呼吸道合胞病毒药物,通过观察病毒感染细胞所致的细胞病变(CPE)来评价药物在体外实验抗呼吸道合胞病毒作用。结果显示清肺祛瘀汤50%药物毒性浓度(TC50)为220mg/mL,在最大无毒浓度62.5mg/mL可以完全抑制呼吸道合胞病毒。
In order to find an effective anti-RSV drug, the drug was evaluated for its anti-respiratory syncytial virus activity in vitro by observing the cytopathic effect (CPE) of the virus-infected cells. The results showed that the 50% drug toxicity concentration (TC50) of Qingfei Quyu Decoction was 220mg / mL, and the respiratory syncytial virus could be completely inhibited at the maximum nontoxic concentration of 62.5mg / mL.