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      Signal integration in the endoplasmic reticulum unfolded protein response.

      Nature reviews. Molecular cell biology

      Signal Transduction, Protein Folding, physiology, Oxidative Stress, Models, Biological, Humans, Gene Expression Regulation, metabolism, chemistry, Endoplasmic Reticulum, Animals

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          Abstract

          The endoplasmic reticulum (ER) responds to the accumulation of unfolded proteins in its lumen (ER stress) by activating intracellular signal transduction pathways - cumulatively called the unfolded protein response (UPR). Together, at least three mechanistically distinct arms of the UPR regulate the expression of numerous genes that function within the secretory pathway but also affect broad aspects of cell fate and the metabolism of proteins, amino acids and lipids. The arms of the UPR are integrated to provide a response that remodels the secretory apparatus and aligns cellular physiology to the demands imposed by ER stress.

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          Journal
          17565364
          10.1038/nrm2199

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