Activation of transposable elements during aging and neuronal decline in Drosophila.

Activation of transposable elements during aging and neuronal decline in Drosophila.
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DOI:
10.1038/nn.3368
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发表时间:
2013-05
影响因子:
25
通讯作者:
Dubnau, Josh
Dubnau, Josh
中科院分区:
医学1区
文献类型:
--
作者:
Li, Wanhe;Prazak, Lisa;Chatterjee, Nabanita;Grueninger, Servan;Krug, Lisa;Theodorou, Delphine;Dubnau, Josh

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我们报告了令人惊讶的发现,在正常衰老过程中,果蝇大脑中的几个转座因子高度活跃。我们还发现,Argonaute果蝇2 (Drosophila Argonaute 2, dAgo2)突变在大脑中表现出转座子表达加剧,进进性和年龄依赖性记忆障碍和寿命缩短。这些发现表明,转座子激活可能有助于年龄依赖性神经元功能丧失。
We report the surprising finding that several transposable elements are highly active in Drosophila brain during normal aging. We also show that mutations in Drosophila Argonaute 2 (dAgo2) exhibit exacerbated transposon expression in brain, progressive and age-dependent memory impairment and shortened lifespan. These findings suggest that transposon activation may contribute to age-dependent loss of neuronal function.
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