Aberrant islet unfolded protein response in type 2 diabetes

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Aberrant islet unfolded protein response in type 2 diabetes

The endoplasmic reticulum adapts to fluctuations in demand and copes with stress through an adaptive signaling cascade called the unfolded protein response (UPR). Accumulating evidence indicates that the canonical UPR is critical to the survival and function of insulin-producing pancreatic β-cells, and alterations in the UPR may contribute to the pathogenesis of type 2 diabetes. However, the dy...

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Islet Amyloid Polypeptide is not a Target Antigen for CD8+ T-Cells in Type 2 Diabetes

Background: Type 2 diabetes (T2D) is a chronic metabolic disorder in which beta-cells are destroyed. The islet amyloid polypeptide (IAPP) produced by beta-cells has been reported to influence beta-cell destruction. Objective: To evaluate if IAPP can act as an autoantigen and therefore, to see if CD8 + T-cells specific for this protein might be present in T2D patients. Methods: Peripheral blood ...

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Objective(s): Epidemiological and biochemical studies conducted over the past two decades have established a strong link between type 2 diabetes mellitus (T2DM) and Alzheimer’s disease (AD). However, the exact mechanisms through which aberrations in insulin signaling associated with T2DM contribute to cognitive decline are not yet known. Materials and Methods: In an effort to explore possible m...

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Targeting unfolded protein response in cancer and diabetes.

The maturation of secretory and membrane proteins in the endoplasmic reticulum (ER) is tightly regulated by the unfolded protein response (UPR), a signal transduction pathway maintaining ER protein folding homeostasis. However, certain ER states are incompatible with cell survival and therefore the UPR may choose to eliminate severely disrupted cells by apoptosis. This is accomplished primarily...

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ژورنال

عنوان ژورنال: Scientific Reports

سال: 2014

ISSN: 2045-2322

DOI: 10.1038/srep04054