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Repurposing homoharringtonine for thyroid cancer treatment through TIMP1/FAK/PI3K/AKT signaling pathway
iScience ( IF 4.6 ) Pub Date : 2024-04-26 , DOI: 10.1016/j.isci.2024.109829
Chuang Xi 1 , Guoqiang Zhang 1 , Nan Sun 1 , Mengyue Liu 1 , Nianting Ju 1 , Chentian Shen 1 , Hongjun Song 1 , Quanyong Luo 1 , Zhongling Qiu 1
Affiliation  

Homoharringtonine (HHT), an alkaloid isolated from Cephalotaxus, is an effective anti-leukemia agent and exhibits inhibitory effects in various solid tumors. However, the impacts of HHT treatment on thyroid cancer (TC) remain unclear. Our findings demonstrated that HHT exhibited remarkable anti-TC activity that involved inhibiting cell proliferation, invasion, and migration, as well as inducing apoptosis. Proteomics analysis revealed that the expression of the tissue inhibitor of metalloproteinase 1 (TIMP1) was downregulated in TC cells after HHT treatment. TIMP1 overexpression promoted TC progression and partially reversed the anti-TC effects of HHT, while TIMP1 downregulation inhibited TC progression and enhanced the anti-TC effects of HHT. Furthermore, TIMP1 re-expression attenuated the enhancement of anti-TC effects of HHT induced by TIMP1 knockdown. Mechanistically, HHT exerted anti-TC effects by downregulating TIMP1 expression and then inactivating the FAK/PI3K/AKT signaling pathway. Taken together, our study demonstrated that HHT could inhibit TC progression by inhibiting the TIMP1/FAK/PI3K/AKT signaling pathway.

中文翻译:


通过 TIMP1/FAK/PI3K/AKT 信号通路将高三桔酯碱重新用于甲状腺癌治疗



高三尖杉木碱 (HHT) 是一种从头孢中分离的生物碱,是一种有效的抗白血病药物,在各种实体瘤中表现出抑制作用。然而,HHT 治疗对甲状腺癌 (TC) 的影响仍不清楚。我们的研究结果表明,HHT 表现出显着的抗 TC 活性,包括抑制细胞增殖、侵袭和迁移,以及诱导细胞凋亡。蛋白质组学分析显示,HHT 处理后 TC 细胞中金属蛋白酶组织抑制剂 1 (TIMP1) 的表达下调。TIMP1 过表达促进 TC 进展并部分逆转 HHT 的抗 TC 作用,而 TIMP1 下调抑制 TC 进展并增强 HHT 的抗 TC 作用。此外,TIMP1 再表达减弱了 TIMP1 敲低诱导的 HHT 抗 TC 作用的增强。从机制上讲,HHT 通过下调 TIMP1 表达,然后使 FAK/PI3K/AKT 信号通路失活来发挥抗 TC 作用。综上所述,我们的研究表明,HHT 可以通过抑制 TIMP1/FAK/PI3K/AKT 信号通路来抑制 TC 进展。
更新日期:2024-04-26
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