The BAG2 and BAG5 proteins inhibit the ubiquitination of pathogenic ataxin3-80Q.
[No authors listed]
摘要
The expansion of a polyglutamine domain in the protein ataxin3 causes spinocerebellar ataxia type-3 (SCA3). However, there is little information to date about the upstream proteins in the ubiquitin-proteasome system of pathogenic ataxin3-80Q. Here, we report that BAG2 (Bcl-2 associated athanogene family protein 2) and BAG5 (Bcl-2-associated athanogene family protein 5) stabilise pathogenic ataxin3-80Q by inhibiting its ubiquitination as determined based on western blotting and co-immunofluorescence experiments. The association of the BAG2 and BAG5 proteins with pathogenic ataxin3-80Q strengthens the important roles of the BAG family in neurodegenerative diseases.
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基因功能
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原始数据
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文献解读
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