A Phos-tag-based approach reveals the extent of physiological endoplasmic reticulum stress.
A Phos-tag-based approach reveals the extent of physiological endoplasmic reticulum stress.
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DOI:
10.1371/journal.pone.0011621
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发表时间:
2010-07-16
期刊:
影响因子:
3.7
通讯作者:
Qi L
中科院分区:
文献类型:
--
作者:
Yang L;Xue Z;He Y;Sun S;Chen H;Qi L
Cellular response to endoplasmic reticulum (ER) stress or unfolded protein response (UPR) is a key defense mechanism associated with many human diseases. Despite its basic and clinical importance, the extent of ER stress inflicted by physiological and pathophysiological conditions remains difficult to quantitate, posing a huge obstacle that has hindered our further understanding of physiological UPR and its future therapeutic potential. Here we have optimized a Phos-tag-based system to detect the activation status of two proximal UPR sensors at the ER membrane. This method allowed for a quantitative assessment of the level of stress in the ER. Our data revealed quantitatively the extent of tissue-specific basal ER stress as well as ER stress caused by the accumulation of misfolded proteins and the fasting-refeeding cycle. Our study may pave the foundation for future studies on physiological UPR, aid in the diagnosis of ER-associated diseases and improve and facilitate therapeutic strategies targeting UPR in vivo.
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影响因子:
21.3
作者:
Woo, Connie W.;Cui, Dongying;Arellano, Jerry;Dorweiler, Bernhard;Harding, Heather;Fitzgerald, Katherine A.;Ron, David;Tabas, Ira
通讯作者:
Tabas, Ira
影响因子:
29
作者:
Qi L;Saberi M;Zmuda E;Wang Y;Altarejos J;Zhang X;Dentin R;Hedrick S;Bandyopadhyay G;Hai T;Olefsky J;Montminy M
通讯作者:
Montminy M
影响因子:
11.4
作者:
Lee, AH;Chu, GC;Glimcher, LH
通讯作者:
Glimcher, LH
DOI:
10.1083/jcb.80.3.692
发表时间:
1979-03
期刊:
The Journal of cell biology
影响因子:
--
作者:
Slot JW;Geuze JJ
通讯作者:
Geuze JJ
影响因子:
82.9
作者:
Iwawaki, T;Akai, R;Miura, M
通讯作者:
Miura, M