New perspectives on the biology of fragile X syndrome.
New perspectives on the biology of fragile X syndrome.
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关于脆弱X综合征生物学的新观点。
DOI:
10.1016/j.gde.2012.02.002
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发表时间:
2012-06
影响因子:
4
通讯作者:
Warren, Stephen T.
中科院分区:
文献类型:
--
作者:
Wang, Tao;Bray, Steven M.;Warren, Stephen T.
Fragile X syndrome (FXS) is a trinucleotide repeat disorder caused by a CGG repeat expansion in FMR1, and loss of its protein product FMRP. Recent studies have provided increased support for the role of FMRP in translational repression via ribosomal stalling and the microRNA pathway. In neurons, particular focus has been placed on identifying the signaling pathways such as PI3K and mTOR downstream of group 1 metabotropic glutamate receptors (mGluR1/5) that regulate FMRP. New evidence also suggests that loss of FMRP causes presynaptic dysfunction and abnormal adult neurogenesis. In addition, studies on FXS stem cells especially induced pluripotent stem (iPS) cells and new sequencing efforts hold out promise for deeper understanding of the silencing process and mutation spectrum of FMR1.
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