Channelopathies in fragile X syndrome.
Channelopathies in fragile X syndrome.
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DOI:
10.1038/s41583-021-00445-9
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发表时间:
2021-05
期刊:
影响因子:
--
通讯作者:
Klyachko VA
中科院分区:
文献类型:
--
作者:
Deng PY;Klyachko VA
Fragile X syndrome (FXS) is the most common inherited form of intellectual disability and the leading monogenic cause of autism. The condition stems from loss of fragile X mental retardation protein (FMRP), which regulates a wide range of ion channels via translational control, protein-protein interactions, and second messenger pathways. Rapidly increasing evidence demonstrates that loss of FMRP leads to numerous ion channel dysfunctions, i.e., channelopathies, which in turn contribute significantly to FXS pathophysiology. Consistent with this, pharmacological or genetic interventions that target dysregulated ion channels effectively restore neuronal excitability, synaptic function, and behavioral phenotypes in FXS animal models. Recent studies further support a role for direct and rapid FMRP-channel interactions in regulating ion channel function. This review lays out the current state of knowledge in the field regarding channelopathies and the pathogenesis of FXS, including promising therapeutic implications.
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