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塞来昔布显示对Duchenne型肌营养不良的潜在益处

2018-05-11 MedSci MedSci原创

研究人员发现,FDA批准的抗炎药塞来昔布(也被称为Celebrex)对mdx小鼠(一种受肌肉萎缩症影响的小鼠模型)的肌肉功能具有显著益处。塞来昔布治疗的小鼠增加了一种叫utrophin的蛋白质,它已被证明可改善肌肉营养不良症状,并可以补偿肌营养蛋白的缺乏,肌营养蛋白是一种在肌肉中起重要作用的大型蛋白质。

研究人员发现,FDA批准的抗炎药塞来昔布(也被称为Celebrex)对mdx小鼠(一种受肌肉萎缩症影响的小鼠模型)的肌肉功能具有显著益处。塞来昔布治疗的小鼠增加了一种叫utrophin的蛋白质,它已被证明可改善肌肉营养不良症状,并可以补偿肌营养蛋白的缺乏,肌营养蛋白是一种在肌肉中起重要作用的大型蛋白质。


Duchenne型肌营养不良症(DMD)是肌营养不良症最常见的形式,影响全球3,500名男性婴儿,其遗传突变破坏肌营养蛋白的形成。患有这种致命疾病中的儿童在青少年时期即受到生命威胁,由于呼吸和心脏并发症,死亡通常发生在第二或第三个十年。尽管正在开发许多有前途的方法来抵消DMD的影响,但始终没有治愈的方法。


为了攻克这一难题,渥太华大学细胞与分子医学教授Bernard Jasmin博士及其同事每天治疗一组6周龄的mdx小鼠,使用低剂量的塞来昔布或对照溶液治疗4周。在治疗结束时,用塞来考昔处理的小鼠显示出与健康小鼠类似的肌肉强度、功能和完整性的显著改善。研究人员还注意到与对照组相比,用塞来昔布治疗的小鼠中的utrophin蛋白水平显著增加。



原始出处:

https://www.europeanpharmaceuticalreview.com/news/75499/celecoxib-duchenne-muscular-dystrophy/

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    2018-12-23 makuansheng
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