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Echinacoside inhibits the proliferation, migration, invasion and angiogenesis of ovarian cancer cells through PI3K/AKT pathway
Journal of Molecular Histology ( IF 3.2 ) Pub Date : 2022-03-24 , DOI: 10.1007/s10735-022-10073-x
Juan Liu 1 , Ni Tang 1 , Ni Liu 1 , Panpan Lei 1 , Fang Wang 1
Affiliation  

Echinacoside is a group of natural compounds extracted from medicinal plants Cistanche and Echinacea, which has neuroprotective, antiaging, immunomodulatory and anticancer effects, but its specific role and mechanism in tumor remains partially unclear. To our knowledge, it was the first time to reported the effect of Echinacoside in ovarian cancer. Colony formation, TUNEL staining, Transwell and tube formation assays were conducted to analyze the proliferation, apoptosis, invasion and tube formation abilities of serous ovarian carcinoma cells (SKOV3 and OVCAR-3), respectively. The expressions of apoptosis-, invasion- and PI3K/AKT pathway-related proteins were measured by western blotting. In addition, PI3K agonist (740Y-P) was used to assess the regulatory effect of Echinacoside on PI3K/AKT signaling in ovarian cancer. Finally, the anti-tumor effect of Echinacoside on SKOV3-xenografted mice was evaluated by xenograft tumor mouse model. Our results demonstrated Echinacoside concentration-dependently reduced the proliferation, migration and angiogenesis of ovarian cancer cells, whereas promoted apoptosis. Moreover, western blotting revealed that Echinacoside suppressed the growth of ovarian cancer cells by downregulating the phosphorylation levels of PI3K, AKT and mTOR, which could be partially reversed by 740Y-P. Further, in vivo results showed that Echinacoside could effectively alleviate the tumor growth of xenograft mice, accompanied by the decrease of PI3K/AKT signaling. In general, our results demonstrate that Echinacoside could reduce the ovarian cancer progression through inhibition of PI3K/AKT pathway, suggesting that Echinacoside may be a new treatment option for ovarian cancer.



中文翻译:

松果菊苷通过PI3K/AKT通路抑制卵巢癌细胞增殖、迁移、侵袭和血管生成

松果菊苷是从药用植物肉苁蓉和松果菊中提取的一组天然化合物, 具有神经保护、抗衰老、免疫调节和抗癌作用, 但其在肿瘤中的具体作用和机制仍部分不清楚。据我们所知,这是首次报道松果菊苷对卵巢癌的作用。进行集落形成、TUNEL 染色、Transwell 和管形成测定以分别分析浆液性卵巢癌细胞(SKOV3 和 OVCAR-3)的增殖、凋亡、侵袭和管形成能力。Western blotting检测凋亡、侵袭和PI3K/AKT通路相关蛋白的表达。此外,PI3K 激动剂 (740Y-P) 用于评估松果菊苷对卵巢癌 PI3K/AKT 信号传导的调节作用。最后,通过异种移植肿瘤小鼠模型评估松果菊苷对SKOV3异种移植小鼠的抗肿瘤作用。我们的结果表明,松果菊苷浓度依赖性地降低卵巢癌细胞的增殖、迁移和血管生成,同时促进细胞凋亡。此外,蛋白质印迹显示松果菊苷通过下调 PI3K、AKT 和 mTOR 的磷酸化水平来抑制卵巢癌细胞的生长,这可以被 740Y-P 部分逆转。此外,体内结果表明,松果菊苷可以有效缓解异种移植小鼠的肿瘤生长,并伴随着 PI3K/AKT 信号的减少。总的来说,我们的研究结果表明,松果菊苷可以通过抑制 PI3K/AKT 通路来减少卵巢癌的进展,这表明松果菊苷可能是卵巢癌的一种新的治疗选择。卵巢癌细胞的迁移和血管生成,同时促进细胞凋亡。此外,蛋白质印迹显示松果菊苷通过下调 PI3K、AKT 和 mTOR 的磷酸化水平来抑制卵巢癌细胞的生长,这可以被 740Y-P 部分逆转。此外,体内结果表明,松果菊苷可以有效缓解异种移植小鼠的肿瘤生长,并伴随着 PI3K/AKT 信号的减少。总的来说,我们的研究结果表明,松果菊苷可以通过抑制 PI3K/AKT 通路来减少卵巢癌的进展,这表明松果菊苷可能是卵巢癌的一种新的治疗选择。卵巢癌细胞的迁移和血管生成,同时促进细胞凋亡。此外,蛋白质印迹显示松果菊苷通过下调 PI3K、AKT 和 mTOR 的磷酸化水平来抑制卵巢癌细胞的生长,这可以被 740Y-P 部分逆转。此外,体内结果表明,松果菊苷可以有效缓解异种移植小鼠的肿瘤生长,并伴随着 PI3K/AKT 信号的减少。总的来说,我们的研究结果表明,松果菊苷可以通过抑制 PI3K/AKT 通路来减少卵巢癌的进展,这表明松果菊苷可能是卵巢癌的一种新的治疗选择。蛋白质印迹显示松果菊苷通过下调 PI3K、AKT 和 mTOR 的磷酸化水平来抑制卵巢癌细胞的生长,这可以被 740Y-P 部分逆转。此外,体内结果表明,松果菊苷可以有效缓解异种移植小鼠的肿瘤生长,并伴随着 PI3K/AKT 信号的减少。总的来说,我们的研究结果表明,松果菊苷可以通过抑制 PI3K/AKT 通路来减少卵巢癌的进展,这表明松果菊苷可能是卵巢癌的一种新的治疗选择。蛋白质印迹显示松果菊苷通过下调 PI3K、AKT 和 mTOR 的磷酸化水平来抑制卵巢癌细胞的生长,这可以被 740Y-P 部分逆转。此外,体内结果表明,松果菊苷可以有效缓解异种移植小鼠的肿瘤生长,并伴随着 PI3K/AKT 信号的减少。总的来说,我们的研究结果表明,松果菊苷可以通过抑制 PI3K/AKT 通路来减少卵巢癌的进展,这表明松果菊苷可能是卵巢癌的一种新的治疗选择。

更新日期:2022-03-24
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