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枯木逢春:氟苯达唑或能有效抑制黑色素瘤的生长和扩散

2019-07-14 生物谷 生物谷

近日,来自澳大利亚新南威尔士大学的科学家们通过研究发现,一种使用了将近40年,用于治疗人类和动物蠕虫感染的药物或能用来抑制小鼠机体中黑色素瘤的生长和扩散,在欧洲这种药物是一种非处方药物,通常能用来抗蠕虫控制患者机体的寄生虫感染。图片来源:University of New South Wales这种药物名为氟苯达唑(flubendazole),其能有效抑制小鼠机体中人类肿瘤的生长和转移,研究者Le

近日,来自澳大利亚新南威尔士大学的科学家们通过研究发现,一种使用了将近40年,用于治疗人类和动物蠕虫感染的药物或能用来抑制小鼠机体中黑色素瘤的生长和扩散,在欧洲这种药物是一种非处方药物,通常能用来抗蠕虫控制患者机体的寄生虫感染

图片来源:University of New South Wales

这种药物名为氟苯达唑(flubendazole),其能有效抑制小鼠机体中人类肿瘤的生长和转移,研究者Levon Khachigian教授表示,我们非常惊奇地发现,药物氟苯达唑的抗肿瘤效应主要包括其会抑制名为程序性细胞死亡蛋白-1(PD-1)的细胞表面蛋白的活性。当PD-1与名为PD-L1的蛋白相结合时,其就会帮助阻断免疫系统杀灭癌细胞;PD-1的抑制则会释放其对免疫系统功能的制动,从而促进免疫细胞寻找并破坏肿瘤

这项研究中,研究人员在实验系统中将药物氟苯达唑与PD-1联系了起来,近年来随着免疫疗法的改进及PD-1抑制剂的引入,黑色素瘤的疗法发生了明显的改变;然而,当前临床可用的PD-1抑制剂是抗体,其需要患者进行静脉输入,一般每三周一次,但不幸的是,这种疗法也存在明显的挑战,很多患者并不会对当前的PD-1抑制剂产生反应,或这种反应并不能持久。

目前在临床上并没有一种小分子药物能够替代基于抗体的检查点抑制剂,不过有一些药物正在研发之中,其中就有一种药物正在临床试验中进行评估。研究者指出,在小鼠机体中,药物氟苯达唑就是一种新型的PD-1小分子抑制剂;研究者Khachigian表示,使用小分子PD-1抑制剂的患者可以作为门诊患者进行服用,这对于患者而言意味着更大的便利,同时也能避免静脉注射和节省化疗的成本。

最后研究者表示,尽管氟苯达唑是一种古老的药物,但其作为黑色素瘤疗法目前并未在人类机体中进行相关临床试验,而且目前氟苯达唑也并未批准用来治疗人类癌症,后期患者在服用该药物时应该寻求专业人士的意见。

事实上,梅斯医学小编检索了一下相关文献,氟苯达唑最近已有不少研究显示其抗肿瘤的潜力,认可能它可能直接抑制STAT3信号,对三阴性乳腺癌、食管癌等都有很好的抗肿瘤潜力。这是不是有点小鸡冻呢?

原始出处:

Li Y, Acharya G, Elahy M, Xin H, Khachigian LM. The anthelmintic flubendazole blocks human melanoma growth and metastasis and suppresses programmed cell death protein-1 and myeloid-derived suppressor cell accumulation. Cancer Lett. 2019 May 23;459:268-276


Lin S, Yang L, Yao Y, Xu L, Xiang Y, Zhao H, Wang L, Zuo Z, Huang X, Zhao C. Flubendazole demonstrates valid antitumor effects by inhibiting STAT3 and activating autophagy. J Exp Clin Cancer Res. 2019 Jul 8;38(1):293.

Tao J, Zhao H, Xie X, Luo M, Gao Z, Sun H, Huang Z. The anthelmintic drug flubendazole induces cell apoptosis and inhibits NF-κB signaling in esophageal squamous cell carcinoma. Onco Targets Ther. 2019 Jan 9;12:471-478


Oh E, Kim YJ, An H, Sung D, Cho TM, Farrand L, Jang S, Seo JH, Kim JY. Flubendazole elicits anti-metastatic effects in triple-negative breast cancer via STAT3 inhibition. Int J Cancer. 2018 Oct 15;143(8):1978-1993

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    2019-08-26 sunylz
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