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Genes 2013, 4(3), 306-333; doi:10.3390/genes4030306
Review

Signaling Pathways from the Endoplasmic Reticulum and Their Roles in Disease

 and *
Received: 28 March 2013; in revised form: 1 May 2013 / Accepted: 14 May 2013 / Published: 1 July 2013
(This article belongs to the Special Issue Signal Transduction)
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Abstract: The endoplasmic reticulum (ER) is an organelle in which newly synthesized secretory and transmembrane proteins are assembled and folded into their correct tertiary structures. However, many of these ER proteins are misfolded as a result of various stimuli and gene mutations. The accumulation of misfolded proteins disrupts the function of the ER and induces ER stress. Eukaryotic cells possess a highly conserved signaling pathway, termed the unfolded protein response (UPR), to adapt and respond to ER stress conditions, thereby promoting cell survival. However, in the case of prolonged ER stress or UPR malfunction, apoptosis signaling is activated. Dysfunction of the UPR causes numerous conformational diseases, including neurodegenerative disease, metabolic disease, inflammatory disease, diabetes mellitus, cancer, and cardiovascular disease. Thus, ER stress-induced signaling pathways may serve as potent therapeutic targets of ER stress-related diseases. In this review, we will discuss the molecular mechanisms of the UPR and ER stress-induced apoptosis, as well as the possible roles of ER stress in several diseases.
Keywords: ER stress; unfolded protein response (UPR); apoptosis; diseases ER stress; unfolded protein response (UPR); apoptosis; diseases
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Kadowaki, H.; Nishitoh, H. Signaling Pathways from the Endoplasmic Reticulum and Their Roles in Disease. Genes 2013, 4, 306-333.

AMA Style

Kadowaki H, Nishitoh H. Signaling Pathways from the Endoplasmic Reticulum and Their Roles in Disease. Genes. 2013; 4(3):306-333.

Chicago/Turabian Style

Kadowaki, Hisae; Nishitoh, Hideki. 2013. "Signaling Pathways from the Endoplasmic Reticulum and Their Roles in Disease." Genes 4, no. 3: 306-333.


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