他莫昔芬和雷洛昔芬减缓肌营养不良

2018-03-25 MedSci MedSci原创

类固醇目前是唯一可用的治疗方法,用于治疗与肌营养不良症(MD)患者功能恶化相关的炎症反应和疾病进展。最新的一项研究表明,使用选择性雌激素受体调节剂(SERMs)他莫昔芬和雷洛昔芬的新治疗方法显著改善了患有相同基因缺陷的雄性和雌性小鼠的心脏、呼吸和骨骼肌的功能,增加了骨密度,改善了肌营养不良症 。

类固醇目前是唯一可用的治疗方法,用于治疗与肌营养不良症(MD)患者功能恶化相关的炎症反应和疾病进展。最新的一项研究表明,使用选择性雌激素受体调节剂(SERMs)他莫昔芬和雷洛昔芬的新治疗方法显著改善了患有相同基因缺陷的雄性和雌性小鼠的心脏、呼吸和骨骼肌的功能,增加了骨密度,改善了肌营养不良症

本研究中使用的小鼠具有与人类肌营养不良症患者相同的基因缺陷,并显示出与MD患者几乎相同的疾病表现,因此是治疗评估的优秀模型。在3周龄时开始,研究人员将他莫昔芬(2,1050 mg/kg),雷洛昔芬(50100 mg/kg)或生理盐水给予具有肌营养不良症的小鼠,时间长达一年。研究人员发现他莫昔芬和雷洛昔芬能够延迟甚至停止疾病进展,在一个月内,SERMs的治疗可以减少肌肉病理,并显著减少退化纤维的数量。一年后,对照小鼠表现出纤维大小的高度变化以及局灶性炎症浸润,但是他莫昔芬或雷洛昔芬治疗后这些营养不良现象不明显。

原始出处:

https://www.europeanpharmaceuticalreview.com/news/73766/tamoxifen-raloxifene-muscular-dystrophy

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    2018-03-29 易水河

    知之为知之.学习学习

    0

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    2018-03-26 thlabcde

    好资料学习了!

    0

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