Developing treatment for spinal and bulbar muscular atrophy.

Developing treatment for spinal and bulbar muscular atrophy.
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DOI:
10.1016/j.pneurobio.2012.05.012
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发表时间:
2012-12
影响因子:
6.7
通讯作者:
Fischbeck, Kenneth H.
Fischbeck, Kenneth H.
中科院分区:
医学2区
文献类型:
--
作者:
Fischbeck, Kenneth H.

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脊髓和球性肌肉萎缩在多谷氨酰胺疾病中是独特的,因为突变蛋白(雄激素受体)的毒性依赖于配体。在细胞培养和动物模型中,突变的雄激素受体引起蛋白质聚集和转录调节、轴突运输和线粒体功能的改变。各种治疗方法在小鼠模型中显示出疗效,包括雄激素减少和改变突变雄激素受体蛋白的加工和降解的药物,包括HSP90抑制剂、IGF-1和ASC-J9。雄激素减少剂的临床试验已显示出疗效,但尚未证明有临床意义的益处。这一试验经验为未来在转基因动物模型中发现有益的其他药物的临床研究奠定了基础。
Spinal and bulbar muscular atrophy is unique among the polyglutamine diseases in that the toxicity of the mutant protein, the androgen receptor, is ligand-dependent. In cell culture and animal models the mutant androgen receptor causes protein aggregation and alterations in transcriptional regulation, axonal transport, and mitochondrial function. Various therapeutic approaches have shown efficacy in mouse models, including androgen reduction and agents that alter the processing and degradation of the mutant androgen receptor protein, including HSP90 inhibitors, IGF-1, and ASC-J9. Clinical trials of androgen-reducing agents have shown indications of efficacy but not proof of clinically meaningful benefit to date. This trial experience has set the stage for future clinical studies of other agents that have been found to be beneficial in transgenic animal models.
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发表时间: 2009-08-13
期刊: NEURON
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