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Cited by 358

The DOI matches its Crossref record; 38 of the 38 references it cites were found in a registry or an index.

WFS1 Is a Novel Component of the Unfolded Protein Response and Maintains Homeostasis of the Endoplasmic Reticulum in Pancreatic β-Cells

Open access
Fonseca, Sonya G., Fukuma, Mariko, Lipson, Kathryn L., Nguyen, Linh X., Allen, Jenny R., Oka, Yoshitomo, Urano, Fumihiko·2005·Journal of Biological Chemistry

Abstract

In Wolfram syndrome, a rare form of juvenile diabetes, pancreatic beta-cell death is not accompanied by an autoimmune response. Although it has been reported that mutations in the WFS1 gene are responsible for the development of this syndrome, the precise molecular mechanisms underlying beta-cell death caused by the WFS1 mutations remain unknown. Here we report that WFS1 is a novel component of the unfolded protein response and has an important function in maintaining homeostasis of the endoplasmic reticulum (ER) in pancreatic beta-cells. WFS1 encodes a transmembrane glyco-protein in the ER. WFS1 mRNA and protein are induced by ER stress. The expression of WFS1 is regulated by inositol requiring 1 and PKR-like ER kinase, central regulators of the unfolded protein response. WFS1 is normally up-regulated during insulin secretion, whereas inactivation of WFS1 in beta-cells causes ER stress and beta-cell dysfunction. These results indicate that the pathogenesis of Wolfram syndrome involves chronic ER stress in pancreatic beta-cells caused by the loss of function of WFS1.

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Metadata

Authors
Fonseca, S. G., Fukuma, M., Lipson, K. L., Nguyen, L. X., Allen, J. R., Oka, Y., & Urano, F.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2005-11
Volume
280
Issue
47
Pages
39609-39615
ISSN
0021-9258 (ISSN-L)
OpenAlex
W1992748149
Cited by
358
References
38
FWCI
3.83
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: WFS1 Is a Novel Component of the Unfolded Protein Response and Maintains Homeostasis of the Endoplasmic Reticulum in Pancreatic β-Cells. https://app.cochat.ai/papers/10.1074/jbc.m507426200
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Fonseca, S. G., Fukuma, M., Lipson, K. L., Nguyen, L. X., Allen, J. R., Oka, Y., & Urano, F. (2005). WFS1 Is a Novel Component of the Unfolded Protein Response and Maintains Homeostasis of the Endoplasmic Reticulum in Pancreatic β-Cells. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.m507426200

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