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Endoplasmic reticulum stress responses

Endoplasmic reticulum stress responses In homeostasis, cellular processes are in a dynamic equilibrium. Perturbation of homeostasis causes stress. In this review I summarize how perturbation of three major functions of the endoplasmic reticulum (ER) in eukaryotic cells–protein folding, lipid and sterol biosynthesis, and storing intracellular Ca2+ – causes ER stress and activates signaling pathways collectively termed the unfolded protein response (UPR). I discuss how the UPR reestablishes homeostasis, and summarize our current understanding of how the transition from protective to apoptotic UPR signaling is controlled, and how the UPR induces inflammatory signaling. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Cellular and Molecular Life Sciences Springer Journals

Endoplasmic reticulum stress responses

Cellular and Molecular Life Sciences , Volume 65 (6) – Nov 26, 2007

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References (279)

Publisher
Springer Journals
Copyright
Copyright © 2007 by Birkhaueser
Subject
Life Sciences; Biochemistry, general; Life Sciences, general ; Biomedicine general; Cell Biology
ISSN
1420-682X
eISSN
1420-9071
DOI
10.1007/s00018-007-7383-5
pmid
18038217
Publisher site
See Article on Publisher Site

Abstract

In homeostasis, cellular processes are in a dynamic equilibrium. Perturbation of homeostasis causes stress. In this review I summarize how perturbation of three major functions of the endoplasmic reticulum (ER) in eukaryotic cells–protein folding, lipid and sterol biosynthesis, and storing intracellular Ca2+ – causes ER stress and activates signaling pathways collectively termed the unfolded protein response (UPR). I discuss how the UPR reestablishes homeostasis, and summarize our current understanding of how the transition from protective to apoptotic UPR signaling is controlled, and how the UPR induces inflammatory signaling.

Journal

Cellular and Molecular Life SciencesSpringer Journals

Published: Nov 26, 2007

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