To charge or not to charge: mechanistic insights into neuropathy-associated tRNA synthetase mutations.
To charge or not to charge: mechanistic insights into neuropathy-associated tRNA synthetase mutations.
复制标题
充电或不充电:神经病相关 tRNA 合成酶突变的机制见解。
DOI:
10.1016/j.gde.2013.02.002
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发表时间:
2013-06
影响因子:
4
通讯作者:
Antonellis, Anthony
中科院分区:
文献类型:
--
作者:
Wallen, Rachel C.;Antonellis, Anthony
Aminoacyl-tRNA synthetases (ARSs) are ubiquitously expressed, essential enzymes responsible for the first step of protein translation—attaching amino acids to cognate tRNA molecules. Interestingly, ARS gene mutations have been implicated in tissue-specific human diseases, including inherited peripheral neuropathies. To date, five loci encoding an ARS have been implicated in peripheral neuropathy, and alleles at each locus show loss-of-function characteristics. The majority of the phenotypes are autosomal dominant, and each of the implicated enzymes acts as an oligomer, indicating that a dominant-negative effect should be considered. Based on current data, impaired tRNA charging is likely a central component of ARS-related neuropathy. Future efforts should focus on testing this notion and developing strategies for restoring ARS function in the peripheral nerve.
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