Endoplasmic Reticulum Stress Links Obesity, Insulin Action, and Type 2 Diabetes
@article{Ozcan2004EndoplasmicRS, title={Endoplasmic Reticulum Stress Links Obesity, Insulin Action, and Type 2 Diabetes}, author={Umut Özcan and Qiong Cao and Erkan Yilmaz and Ann-Hwee Lee and Neal N. Iwakoshi and Esra Özdelen and Gurol Tuncman and Cem Z. G{\"o}rg{\"u}n and Laurie H. Glimcher and G{\"o}khan S. Hotamışlıgil}, journal={Science}, year={2004}, volume={306}, pages={457 - 461} }
Obesity contributes to the development of type 2 diabetes, but the underlying mechanisms are poorly understood. Using cell culture and mouse models, we show that obesity causes endoplasmic reticulum (ER) stress. This stress in turn leads to suppression of insulin receptor signaling through hyperactivation of c-Jun N-terminal kinase (JNK) and subsequent serine phosphorylation of insulin receptor substrate–1 (IRS-1). Mice deficient in X-box–binding protein–1 (XBP-1), a transcription factor that…
3,550 Citations
Inflammation and endoplasmic reticulum stress in obesity and diabetes
- Biology, MedicineInternational Journal of Obesity
- 2008
ER stress and the related signaling networks present a critical mechanism underlying obesity-induced JNK activity, inflammatory response and insulin resistance.
Endoplasmic reticulum stress and the c-Jun N-terminal kinase pathway in insulin resistance
- Biology, Medicine
- 2005
Chemically chaperoning the actions of insulin
- Biology, MedicineTrends in Endocrinology & Metabolism
- 2007
Effects of triglyceride on ER stress and insulin resistance.
- BiologyBiochemical and biophysical research communications
- 2007
Endoplasmic reticulum stress, obesity and diabetes.
- Medicine, BiologyTrends in molecular medicine
- 2012
The role of endoplasmic reticulum stress in hippocampal insulin resistance
- Biology, PsychologyExperimental Neurology
- 2016
The role for endoplasmic reticulum stress in diabetes mellitus.
- BiologyEndocrine reviews
- 2008
This review addresses the transition from physiology to pathology, namely how and why the physiological UPR evolves to a proapoptotic ER stress response and which defenses are triggered by beta-cells against these challenges.
Endoplasmic Reticulum Stress and Obesity.
- BiologyAdvances in experimental medicine and biology
- 2017
Characterizing the mechanisms contributing to obesity and identifying potential targets for its prevention and treatment will have a great impact on the control of associated conditions, particularly T2D.
Chemical Chaperones Reduce ER Stress and Restore Glucose Homeostasis in a Mouse Model of Type 2 Diabetes
- Biology, MedicineScience
- 2006
It is demonstrated that chemical chaperones enhance the adaptive capacity of the ER and act as potent antidiabetic modalities with potential application in the treatment of type 2 diabetes.
Cellular stress response pathways and diabetes mellitus
- BiologyDiabetology International
- 2015
The detailed mechanism of the decreased expression of HSP72 in subjects with type 2 diabetes has not been clarified yet, but it was reported that the trimer formation of HSF-1 is dependent, at least in part, on the inactivation of glycogen synthase kinase (GSK)-3b.
References
SHOWING 1-10 OF 24 REFERENCES
A central role for JNK in obesity and insulin resistance
- BiologyNature
- 2002
It is shown that JNK activity is abnormally elevated in obesity and an absence of JNK1 results in decreased adiposity, significantly improved insulin sensitivity and enhanced insulin receptor signalling capacity in two different models of mouse obesity.
Reversal of Obesity- and Diet-Induced Insulin Resistance with Salicylates or Targeted Disruption of Ikkβ
- Biology, MedicineScience
- 2001
It is shown that high doses of salicylates reverse hyperglycemia, hyperinsulinemia, and dyslipidemia in obese rodents by sensitizing insulin signaling and identifies the IKKβ pathway as a target for insulin sensitization.
Protection from obesity-induced insulin resistance in mice lacking TNF-α function
- Biology, MedicineNature
- 1997
Results indicate that TNF-α is an important mediator of insulin resistance in obesity through its effects on several important sites of insulin action.
Diabetes mellitus and exocrine pancreatic dysfunction in perk-/- mice reveals a role for translational control in secretory cell survival.
- BiologyMolecular cell
- 2001
When translation meets metabolism: multiple links to diabetes.
- Biology, MedicineEndocrine reviews
- 2003
Progress in the understanding of endoplasmic reticulum overload by unfolded proteins has begun to uncover mechanisms leading to pancreatic beta- cell exhaustion, and future advances in this area may lead to identification of the missing links in the pathogenesis of beta-cell failures due to conditions such as hyperinsulinemia, hyperglycemia, and long-term treatment with sulfonylureas, and thus identify novel therapeutic targets for diabetes.
Translational control is required for the unfolded protein response and in vivo glucose homeostasis.
- BiologyMolecular cell
- 2001
Complementary Signaling Pathways Regulate the Unfolded Protein Response and Are Required for C. elegans Development
- BiologyCell
- 2001
Coupling of stress in the ER to activation of JNK protein kinases by transmembrane protein kinase IRE1.
- BiologyScience
- 2000
Malfolded proteins in the endoplasmic reticulum (ER) induce cellular stress and activate c-Jun amino-terminal kinases (JNKs or SAPKs). Mammalian homologs of yeast IRE1, which activate chaperone genes…
XBP-1 Regulates a Subset of Endoplasmic Reticulum Resident Chaperone Genes in the Unfolded Protein Response
- BiologyMolecular and Cellular Biology
- 2003
It is suggested that the IRE1/XBP-1 pathway is required for efficient protein folding, maturation, and degradation in the ER and imply the existence of subsets of UPR target genes as defined by their dependence on XBP- 1.
Identification and Characterization of Pancreatic Eukaryotic Initiation Factor 2 α-Subunit Kinase, PEK, Involved in Translational Control
- BiologyMolecular and Cellular Biology
- 1998
Using recombinant PEK produced inEscherichia coli or Sf-9 insect cells, it is demonstrated that PEK is autophosphorylated on both serine and threonine residues and that the recombinant enzyme can specifically phosphorylate eIF-2α on serine-51.