eLife:古老抗炎药物水杨酸或具抗癌特性

2016-06-07 佚名 生物谷

近日,来自格莱斯顿研究所(Gladstone Institutes)的研究人员通过研究发现,水杨酸可以阻断机体炎症和癌症发生,水杨酸是非甾体类抗炎药物阿司匹林和二氟尼柳中的关键化合物,相关研究刊登于eLife杂志上。文章中,研究者发现,水杨酸和二氟尼柳会抑制两种关键蛋白的活性,这两种蛋白在机体中可以控制基因的表达,而这两种名为p300和CREB结合蛋白(CBP)的姊妹蛋白是特殊的表观遗传调节子,它

近日,来自格莱斯顿研究所(Gladstone Institutes)的研究人员通过研究发现,水杨酸可以阻断机体炎症和癌症发生,水杨酸是非甾体类抗炎药物阿司匹林和二氟尼柳中的关键化合物,相关研究刊登于eLife杂志上。




文章中,研究者发现,水杨酸和二氟尼柳会抑制两种关键蛋白的活性,这两种蛋白在机体中可以控制基因的表达,而这两种名为p300和CREB结合蛋白(CBP)的姊妹蛋白是特殊的表观遗传调节子,它们可以控制促进机体炎症及参与细胞生长的关键蛋白的水平;水杨酸和二氟尼柳可以抑制p300和CBP蛋白的活性,并且抑制因炎症而引发的细胞损伤效应。


研究者Eric Verdin说道,水杨酸是一种古老的药物,该药物的使用可以追溯到古埃及和古希腊,但如今我们发现了这种老药物的新用途,揭开水杨酸抑制炎性发生的机制或为开发新型临床药物提供新的思路和线索。


早期研究中,研究者Stephen D.Nimer及其同时揭示了p300和促白血病蛋白AML1-ETO之间的关联,而在本文研究中,科学家们通过研究检测了是否利用二氟尼柳来抑制p300可以阻断小鼠机体白血病细胞的生长,正如研究者预测的那样,他们发现,二氟尼柳可以有效阻断白血病小鼠机体癌症的进展。


研究者Nimer指出,对FDA批准的古老药物进行重新定位来寻找其新型治疗特性是近年来科学家们研究的重点,我们已经利用水杨酸对血液癌症的患者进行了一系列临床试验,并且发现水杨酸可以安全用于患者机体中,本文研究为后期开发新型表观遗传学疗法来治疗白血病患者提供了一定帮助。


如今,科学家们希望进行多种临床试验来检测水杨酸或水杨酸组合性疗法治疗白血病的效率,同时研究者们还利用水杨酸进行了其它领域的研究,比如治疗其它癌症、2型糖尿病、炎性疾病以及神经变性疾病等;此前研究者就发现,另一种包含水杨酸的药物可以抑制痴呆症小鼠模型机体中tau蛋白在神经元中的积累,并且保护小鼠机体抵御认知能力的下降。


原始出处:


Shirakawa K, Wang L,et al.Salicylate, diflunisal and their metabolites inhibit CBP/p300 and exhibit anticancer activity.Elife.2016 May 31;5.


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    2017-03-10 膀胱癌
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    2016-10-03 clmlylxy
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    2016-07-10 oo902

    喊了好多年了,仍未应用到临床

    0

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    2016-06-07 lovetcm

    以前水杨酸很多人不知道,其实就是阿司匹林,目前在临床上已经证实了,对很多肿瘤都有预防作用,这是基础研究进一步证实了这一点

    0

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