Multifarious Functions of the Fragile X Mental Retardation Protein.
Multifarious Functions of the Fragile X Mental Retardation Protein.
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DOI:
10.1016/j.tig.2017.07.008
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发表时间:
2017-10
期刊:
影响因子:
--
通讯作者:
Broadie K
中科院分区:
文献类型:
--
作者:
Davis JK;Broadie K
Fragile X syndrome (FXS), a heritable intellectual and autism spectrum disorder, results from loss of Fragile X Mental Retardation Protein (FMRP). This neurodevelopmental disease state exhibits neural circuit hyperconnectivity and hyperexcitability. Canonically, FMRP functions as an mRNA-binding translation suppressor, but recent findings have enormously expanded proposed roles. Although connections between burgeoning FMRP functions remain unknown, recent advances have extended understanding of involvement in RNA-, channel- and protein-binding that modulates calcium signaling, activity-dependent critical period development and excitation-inhibition neural circuitry balance. This article contextualizes three years of FXS model research. Future directions extrapolated from recent advances focus on discovering links between FMRP roles; to determine whether FMRP has a multitude of unrelated functions, or combinatorial mechanisms can explain its multifaceted existence.
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