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Cited by 554

The DOI matches its Crossref record; 54 of the 54 references it cites were found in a registry or an index.

Stress-Independent Activation of XBP1s and/or ATF6 Reveals Three Functionally Diverse ER Proteostasis Environments

Open access
Shoulders, Matthew D., Ryno, Lisa M., Genereux, Joseph C., Moresco, James J., Tu, Patricia G., Wu, Chunlei, Yates, John R., Su, Andrew I., Kelly, Jeffery W., Wiseman, R. Luke·2013·Cell Reports

Abstract

The unfolded protein response (UPR) maintains endoplasmic reticulum (ER) proteostasis through the activation of transcription factors such as XBP1s and ATF6. The functional consequences of these transcription factors for ER proteostasis remain poorly defined. Here, we describe methodology that enables orthogonal, small-molecule-mediated activation of the UPR-associated transcription factors XBP1s and/or ATF6 in the same cell independent of stress. We employ transcriptomics and quantitative proteomics to evaluate ER proteostasis network remodeling owing to the XBP1s and/or ATF6 transcriptional programs. Furthermore, we demonstrate that the three ER proteostasis environments accessible by activating XBP1s and/or ATF6 differentially influence the folding, trafficking, and degradation of destabilized ER client proteins without globally affecting the endogenous proteome. Our data reveal how the ER proteostasis network is remodeled by the XBP1s and/or ATF6 transcriptional programs at the molecular level and demonstrate the potential for selective restoration of aberrant ER proteostasis of pathologic, destabilized proteins through arm-selective UPR activation.

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Crossref · 10.1016/j.celrep.2013.03.024

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Metadata

Authors
Shoulders, M. D., Ryno, L. M., Genereux, J. C., Moresco, J. J., Tu, P. G., Wu, C., Yates, J. R., Su, A. I., Kelly, J. W., & Wiseman, R. L.
Venue
Cell Reports
Publisher
Elsevier BV
Published
2013-04
Volume
3
Issue
4
Pages
1279-1292
ISSN
2211-1247 (ISSN-L)
OpenAlex
W1994772574
Cited by
554
References
54
FWCI
18.54
Type
journal article
Language
en
Open access
gold

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