Front Pharmacol:慢痞消汤阻止胃癌癌前病变恶变,从网络预测到体内验证

2022-09-15 网络 网络

探索慢痞消汤(MPX)对胃癌癌前病变(PLGC)的保护作用,并通过整合网络药理学和体内实验证据进一步揭示参与机制。

背景:中药复方慢痞消汤(MPX)主要用于改善胃癌前病变患者的胃粘膜病理和胃不适。胃癌癌前病变(PLGC)是指基于胃粘膜萎缩的肠化生和/或发育不良。有效预防和治疗PLGC对降低胃癌发病率具有重要意义。由于PLGC病因和发病机制的复杂性,西医尚无统一有效的治疗方案。近年来,中医药凭借其多途径和多靶点综合干预特点,在治疗PLGC和预防其进一步进展为胃癌方面显示出明显优势

目的:该研究旨在检测MPX对PLGC的保护作用,并通过整合网络药理学体内实验证据进一步揭示参与机制。

方法:Wistar雄性大鼠连续灌胃给药8周,采集含MPX的血清,LC-MS/MS分析评估MPX的主要成分。应用网络药理学预测MPX治疗PLGC的潜在靶点。

使用N-甲基-N’-硝基-N-亚硝基胍(MNNG)、水杨酸钠、不规则禁食和雷尼替丁建立了大鼠PLGC模型,并观察MPX治疗后的效果。

结果:网络药理学结果表明,炎症、免疫反应和血管生成可能与MPX治疗PLGC的疗效相关,其中涉及PI3K/Akt、细胞衰老、P53和内质网中的蛋白质加工。

体内实验结果表明,MPX改善了PLGC大鼠胃粘膜的病理状况,降低了胃癌的发病率。对血清炎症细胞因子的分析表明,MPX降低了血清中的炎症相关细胞因子(如IL-1α、IL-7、CSF-1和CSF-3)。此外,MPX还对PLGC大鼠核心区域的“蛋白质/蛋白质磷酸化信号通路”网络具有调节作用。MPX可抑制PI3K-AKT的磷酸化,并下调EGFR、β-catenin和N-cadherin蛋白水平。

结论:这以上结果表明,MPX通过抑制EGFR-PI3K-AKT相关的上皮-间充质转化过程来阻止PLGC进展

 

文献来源:

Li Y, Li T, Chen J, et al. Manpixiao Decoction Halted the Malignant Transformation of Precancerous Lesions of Gastric Cancer: From Network Prediction to In-Vivo Verification. Front Pharmacol. 2022;13:927731. Published 2022 Aug 5. doi:10.3389/fphar.2022.927731

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