最新技术:芍药苷治疗肿瘤的多方面机制

2022-08-20 August MedSci原创

芍药甙是一种水溶性单萜苷,可从多种草本植物中提取,如 赤芍、白芍、牡丹、升麻等。

恶性肿瘤长期影响着人类的健康,已成为导致死亡的主要原因。据统计,2020年全球新发癌症病例约1930万例,死亡1000万例。值得注意的是,癌症的发病率逐年增加,预计到2040年将达到2840万人,这极大地挑战了人类的健康。鉴于有关情况,可用于治疗恶性肿瘤的治疗方案引起了极大的关注。因此,寻找合适的治疗恶性肿瘤的医疗方案成为许多研究人员和临床医生关注的焦点。

芍药甙(PF)是一种天然的药物活性成分,由于其低毒、高效和安全性以及与多种抗肿瘤、炎症、抑郁、和氧化应激的药理作用有关,因此受到高度评价。据报道,PF在胃、肺、肝、乳腺和膀胱等多种常见恶性肿瘤中均有抗肿瘤作用。然而,目前尚缺乏对PF抗肿瘤作用背后的分子机制的系统性文献综述。发现PF主要通过抑制肿瘤细胞凋亡、促进肿瘤细胞增殖、抑制肿瘤细胞转移和侵袭、增强放化疗敏感性等方面发挥抗肿瘤作用。

芍药苷的化学结构式

多项研究表明,芍药苷对多种肿瘤具有优异的抗肿瘤作用,包括肝癌、胃癌、乳腺癌、肺癌、胰腺癌、结直肠癌和膀胱癌。可诱导细胞凋亡,抑制增殖、侵袭和转移通过不同的分子机制,主要参与核转录因子kappα(NF-κB)、B细胞淋巴瘤2(Bcl-2)家族、 MicroRNA 、神经前体细胞表达发育下调蛋白4(NEDD4)信号通路,转录激活因子(STAT3), p21、p53/14-3-3 信号通路、转化生长因子-β1(TGF-β1)/Smads 信号通路、丝裂原活化蛋白激酶(MAPK)信号通路和 Notch-1。此研究对芍药甙抗肿瘤作用及机制的研究进展进行综述,以期为芍药甙的进一步开发和临床应用提供新的思路和理论依据。

PF诱导肿瘤细胞凋亡的机制

PF增强肿瘤细胞化疗敏感性的机制:

PF因其多样的药理作用而备受关注。多项研究证明其抗肿瘤作用基于涉及细胞凋亡、增殖、转移和侵袭以及化疗敏感性的不同分子机制。尽管进行了大量研究,PF 的抗肿瘤机制仍有待充分了解。网络药理学与分子对接现有技术可以探索潜在机制,但同时需要实验验证,以便为临床工作者提供更有说服力的参考。目前,化学疗法和放射疗法仍然是临床上恶性肿瘤的主要治疗方法。但耐药性的发展不利于患者预后,并伴有恶心、呕吐、免疫功能下降、骨髓抑制等多种不良反应。 PF是一种具有抗肿瘤活性的天然产物,由于具有高效、副作用小等优点,得到了广泛而深入的研究。此外,PF作为一种水溶性成分,临床上患者可以很好地服用,弥补了其他非水溶性抗肿瘤活性成分的不足。尽管如此,PF 在应用时仍然存在一些局限性。例如,它的化学性质不稳定,必须在低温条件下保存,避免碱性环境。在临床实践中可以避免所有这些限制。总而言之,PF 应进行深入研究,以便在未来更好地临床使用。

 

原文:Wang XZ, Xia L, Zhang XY, Chen Q, Li X, Mou Y, Wang T, Zhang YN. The multifaceted mechanisms of Paeoniflorin in the treatment of tumors: State-of-the-Art. Biomed Pharmacother. 2022 May;149:112800. doi: 10.1016/j.biopha.2022.112800. Epub 2022 Mar 9. PMID: 35279012.

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