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Published in: European Journal of Nutrition 4/2011

01-06-2011 | Review

Inflammation and cellular stress: a mechanistic link between immune-mediated and metabolically driven pathologies

Authors: Eva Rath, Dirk Haller

Published in: European Journal of Nutrition | Issue 4/2011

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Abstract

Background

Multiple cellular stress responses have been implicated in chronic diseases such as obesity, diabetes, cardiovascular, and inflammatory bowel diseases. Even though phenotypically different, chronic diseases share cellular stress signaling pathways, in particular endoplasmic reticulum (ER) unfolded protein response (UPR).

Results and methods

The purpose of the ER UPR is to restore ER homeostasis after challenges of the ER function. Among the triggers of ER UPR are changes in the redox status, elevated protein synthesis, accumulation of unfolded or misfolded proteins, energy deficiency and glucose deprivation, cholesterol depletion, and microbial signals. Numerous mouse models have been used to characterize the contribution of ER UPR to several pathologies, and ER UPR-associated signaling has also been demonstrated to be relevant in humans. Additionally, recent evidence suggests that the ER UPR is interrelated with metabolic and inflammatory pathways, autophagy, apoptosis, and mitochondrial stress signaling. Furthermore, microbial as well as nutrient sensing is integrated into the ER-associated signaling network.

Conclusion

The data discussed in the present review highlight the interaction of ER UPR with inflammatory pathways, metabolic processes and mitochondrial function, and their interrelation in the context of chronic diseases.
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Metadata
Title
Inflammation and cellular stress: a mechanistic link between immune-mediated and metabolically driven pathologies
Authors
Eva Rath
Dirk Haller
Publication date
01-06-2011
Publisher
Springer-Verlag
Published in
European Journal of Nutrition / Issue 4/2011
Print ISSN: 1436-6207
Electronic ISSN: 1436-6215
DOI
https://doi.org/10.1007/s00394-011-0197-0

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