PNAS:彻底治愈类风湿性关节炎的新型疗法

2014-09-05 生物谷 生物谷

类风湿性关节炎是一种引发机体许多关节疼痛炎症的一种疾病,其会引发关节囊肿胀,这种疾病往往会破坏机体的软骨组织和骨质;在世界范围内类风湿性关节炎影响着0.5%至1%的人群的健康,到目前为止医生们已经可以使用多种药物来缓解或者阻断该疾病的发展。近日,刊登在国际杂志PNAS上的一篇研究论文中,来自苏黎世联邦理工学院的研究人员通过研究开发了一种新型疗法,其在治疗患类风湿性关节炎小鼠的功效上可以达到

类风湿性关节炎是一种引发机体许多关节疼痛炎症的一种疾病,其会引发关节囊肿胀,这种疾病往往会破坏机体的软骨组织和骨质;在世界范围内类风湿性关节炎影响着0.5%至1%的人群的健康,到目前为止医生们已经可以使用多种药物来缓解或者阻断该疾病的发展。近日,刊登在国际杂志PNAS上的一篇研究论文中,来自苏黎世联邦理工学院的研究人员通过研究开发了一种新型疗法,其在治疗患类风湿性关节炎小鼠的功效上可以达到一个新的水平,即小鼠在接受这种新型疗法治疗后会完全被治愈

这种疗法中涉及的药物是利用生物技术领域的新型工艺开发了一种活性物质,其是由两种融合的化合物组分组成的,其中一种组分是机体免疫系统的信使白介素4(IL-4),此前研究显示,IL-4可以保护小鼠免受类风湿性关节炎带来的软骨和骨质损伤,而这项研究中研究人员将一种抗体同IL-4进行偶联,并且同炎性组织中的一种蛋白质进行结合从而开发出了这种新型化合物。

研究者Dario Neri教授表示,由于结合了抗体,当融合分子被注射到体内后IL-4就可以达到疾病患处,这就可以使得活性物质在疾病患处累积并且进行治疗,而机体其他部分的活性物质浓度极少,这就可以降低对机体的副作用。

最后研究人员利用患病小鼠检测了这种新型融合分子(活性物质)的功效,与此同时,研究者将一种名为地塞米松的药物同活性物质进行结合也进行了检测,地塞米松是一种类似于可的松样的抗炎性药物,其可以用于治疗人类的类风湿性关节炎。研究者表示,当将融合活性分子和地塞米松分开使用的时候,二者仅仅都可以减缓患病小鼠的疾病发展,而当将二者结合起来联合使用的时候,小鼠的症状,比如关节炎炎性标志:脚趾和爪子肿胀等可以在数天之后完全消失。

小鼠模型中,这种联合疗法可以带来一种长效的治愈效应,基于此前对动物模型的可行性研究结果,研究人员目前正准备在患类风湿性关节炎的患者中进行这种新型结合药物的临床试验,这项临床测试将会在明年进行,研究者希望这项研究对于开发新型治疗类风湿性关节炎的新型靶向疗法提供一定的帮助和希望。

原始出处:

Hemmerle T1, Doll F1, Neri D2.Antibody-based delivery of IL4 to the neovasculature cures mice with arthritis.Proc Natl Acad Sci U S A. 2014 Aug 19;111(33):12008-12. doi: 10.1073/pnas.1402783111. Epub 2014 Aug 4.

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    2014-09-21 爆笑小医
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    2015-03-22 右脚梅西

    快快研究出来,投入生产

    0

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    2014-09-07 lmm397
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    2014-09-05 175.8.168.94

    说彻底治愈有些夸张,不过确实是一种新的靶点值得重视

    0

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