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- W2512883383 abstract "Pancreatic insulin-producing β-cell dysfunction and death plays central roles in the onset and progression of both type 1 and type 2 diabetes. Current antidiabetic drugs cannot halt the ongoing progression of β-cell dysfunction and death. In diabetes, a major cause for the decline in β-cell function and survival is endoplasmic reticulum (ER) stress. Here, we identified quinazoline derivatives as a novel class of β-cell protective agents against ER stress-induced dysfunction and death. A series of quinazoline derivatives were synthesized from dichloroquiazoline utilizing a sequence of nucleophilic reactions. Through SAR optimization, 2,4-diaminoquinazoline compound 9c markedly protects β-cells against ER stress-induced dysfunction and death with 80% maximum rescue activity and an EC50 value of 0.56 μM. Importantly, 9c restores the ER stress-impaired glucose-stimulated insulin secretion response and survival in primary human islet β-cells. We showed that 9c protects β-cells by alleviating ER stress through the suppression of the induction of key genes of the unfolded protein response and apoptosis." @default.
- W2512883383 created "2016-09-16" @default.
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- W2512883383 date "2016-08-23" @default.
- W2512883383 modified "2023-10-12" @default.
- W2512883383 title "Discovery, Synthesis, and Evaluation of 2,4-Diaminoquinazolines as a Novel Class of Pancreatic β-Cell-Protective Agents against Endoplasmic Reticulum (ER) Stress" @default.
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- W2512883383 doi "https://doi.org/10.1021/acs.jmedchem.6b00041" @default.
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