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FASEB J:天津神经病学研究所新发现:改善脑溢血的已批准药物

2017-04-20 李华芸 生物通

脑溢血(intracerebral hemorrhage ,ICH)是一种严重的中风疾病,脑部血管爆发性的出血,引发威胁生命的病理性脑水肿和神经炎症。最近,天津医科大学总医院、神经病学研究所神经免疫实验室PI刘强博士与耶鲁大学的Fu-Dong Shi博士合作,在美国实验生物学会官方杂志《FASEB Journal》报道了一项具有脑溢血治疗潜力的科学发现。实验发现,一种已知药物艾替伏辛(etifox

脑溢血(intracerebral hemorrhage ,ICH)是一种严重的中风疾病,脑部血管爆发性的出血,引发威胁生命的病理性脑水肿和神经炎症。最近,天津医科大学总医院、神经病学研究所神经免疫实验室PI刘强博士与耶鲁大学的Fu-Dong Shi博士合作,在美国实验生物学会官方杂志《FASEB Journal》报道了一项具有脑溢血治疗潜力的科学发现。

实验发现,一种已知药物艾替伏辛(etifoxine)能有效减少脑部炎症反应和水肿现象。

“在小鼠模型上,我们发现使用靶向TSPO(18kDa转运蛋白)的配体,能约束脑溢血后出现的神经炎症和病理性水肿,”刘强博士说。“TSPO配体或可用于ICH后的补救治疗。”

在试验中,刘强课题组使用了一种名为etifoxine的药物,该药物能起到脑溢血模型的TSPO配体的作用。实验发现,与对照组小鼠相比,使用了etifoxine后,脑内白细胞浸润、小神经细胞产生IL-6和肿瘤坏死因子等ICH病理指标显着下降。该配体维护了血脑屏障的完整度并且降低了细胞死亡。

“这对ICH患者来说是一项令人兴奋的研究成果,”FASEB Journal主编Thoru Pederson博士说。“ICH疾病相关的细胞因子研究很多,这项研究的新颖之处在于,在动物模型体内证明了TSPO配体的实际功效,并且这一结果具有十足的潜力,我们期待着该课题组的进一步进展。”

蛋白质-配体相互作用在生命体系中具有重要作用。它不仅关系到我们对整个生命过程的理解,也关系到治疗疾病的药物设计和药物筛选,具有重大的科学意义和巨大的经济价值。因此,也是目前生物化学研究的重要热门方向之一。如何将现有药物与各种疾病关联起来,对许多科研工作者来说都是有待开发的一块处女之地。该篇文章为我们广大科学工作者们提示了一个新的研究思路。

原始出处:

Li M, Ren H, Sheth KN, Shi FD, Liu Q. A TSPO ligand attenuates brain injury after intracerebral hemorrhage. FASEB J. 2017 Apr 17.

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    2018-03-26 1221efbfm25暂无昵称

    这类药物对于脑溢血改善如何?我朋友的亲人突发脑溢血

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    2018-03-29 gracezdd
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    2017-04-20 daiyaozu

    学习了,不错

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