ER stress and unfolded protein response in amyotrophic lateral sclerosis-a controversial role of protein disulphide isomerase.
ER stress and unfolded protein response in amyotrophic lateral sclerosis-a controversial role of protein disulphide isomerase.
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DOI:
10.3389/fncel.2014.00402
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发表时间:
2014
影响因子:
5.3
通讯作者:
Koistinaho J
中科院分区:
文献类型:
--
作者:
Jaronen M;Goldsteins G;Koistinaho J
Accumulation of proteins in aberrant conformation occurs in many neurodegenerative diseases. Furthermore, dysfunctions in protein handling in endoplasmic reticulum (ER) and the following ER stress have been implicated in a vast number of diseases, such as amyotrophic lateral sclerosis (ALS). During excessive ER stress unfolded protein response (UPR) is activated to return ER to its normal physiological balance. The exact mechanisms of protein misfolding, accumulation and the following ER stress, which could lead to neurodegeneration, and the question whether UPR is a beneficial compensatory mechanism slowing down the neurodegenerative processes, are of interest. Protein disulphide isomerase (PDI) is a disulphide bond-modulating ER chaperone, which can also facilitate the ER-associated degradation (ERAD) of misfolded proteins. In this review we discuss the recent findings of ER stress, UPR and especially the role of PDI in ALS.
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