J Ethnopharmacol:基于“入血清成分-作用靶点关键途径”分析法预测大承气汤治疗大肠癌的机制

2022-06-07 紫菀款冬 MedSci原创

采用“血清成分、作用靶点和关键途径”分析方法,探讨大承气汤治疗大肠癌的主要血液吸收成分和可能的作用靶点,为大承气汤治疗大肠癌的药效学物质基础和作用机制研究提供参考。

背景:结直肠癌是一种常见的消化道恶性肿瘤,其发病率和死亡率严重影响人类健康。目前,大承气汤(DCQ)作为一种传统的中药配方,已被临床用于大肠癌的辅助治疗。然而,其药效物质基础和治疗机制尚不清楚。

目的:采用“血清成分、作用靶点和关键途径”分析方法,探讨DCQ治疗大肠癌的主要血液吸收成分和可能的作用靶点,为DCQ治疗大肠癌的药效学物质基础和作用机制研究提供参考。

材料与方法:以中药血清药物化学为基础,采用超高效液相色谱-四极飞行时间质谱技术(UPLC-Q-TOF-MSE)对小鼠血清样品中DCQ的处方原型成分进行鉴定。以吸收到血清中的原型成分为研究对象,通过网络药理学论证DCQ在体内的可能靶点和关键途径。最后,利用分子对接验证原型组分和潜在作用靶点的结合活性。

结果:在小鼠血清中共鉴定出46种DCQ原型成分,其中大部分来自枳实和大黄中的黄酮和蒽醌。网络药理学预测结果表明,进入小鼠血清的药物原型成分可能主要调节丝裂原活化蛋白激酶(MAPK)、白细胞介素-6(IL-6)等靶点,血管内皮生长因子(VEGF)等主要途径,如磷脂酰肌醇3-激酶/蛋白激酶B(PI3K-AKT)信号通路、晚期糖基化终产物AGE受体(AGE-RAGE)信号通路和IL-17信号通路等。分子对接表明,原型活性成分与VEGF、Harvey大鼠肉瘤病毒癌基因同源物(HRAS)和MAPK1有较强的结合活性。

结论:该研究阐明了DCQ在体内的直接作用物质主要为黄酮类和蒽醌类,可能具有调节细胞增殖、凋亡和抑制炎症的作用,为DCQ治疗大肠癌的药效学物质基础和机制研究提供了参考。

文献来源:

Yin FT, Zhou XH, Kang SY, et al. Prediction of the mechanism of Dachengqi Decoction treating colorectal cancer based on the analysis method of " into serum components -action target-key pathway". J Ethnopharmacol. 2022;293:115286. doi:10.1016/j.jep.2022.115286

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