2014
DOI: 10.2337/db14-0576
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Role of Epac2A/Rap1 Signaling in Interplay Between Incretin and Sulfonylurea in Insulin Secretion

Abstract: Incretin-related drugs and sulfonylureas are currently used worldwide for the treatment of type 2 diabetes. We recently found that Epac2A, a cAMP binding protein having guanine nucleotide exchange activity toward Rap, is a target of both incretin and sulfonylurea. This suggests the possibility of interplay between incretin and sulfonylurea through Epac2A/Rap1 signaling in insulin secretion. In this study, we examined the combinatorial effects of incretin and various sulfonylureas on insulin secretion and activ… Show more

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Cited by 56 publications
(49 citation statements)
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“…Recently, it was reported that the combination of sulfonylurea and glucagon-like peptide-1, which is an incretin activated by DPP-4 inhibitors, synergistically augments insulin secretion via Epac2aRap1 signaling in pancreatic beta cells (12). However, it is unclear whether the treatments including DPP-4 inhibitors control the blood glucose levels for a long time when the dose of sulfonylurea is reduced.…”
Section: Discussionmentioning
confidence: 99%
“…Recently, it was reported that the combination of sulfonylurea and glucagon-like peptide-1, which is an incretin activated by DPP-4 inhibitors, synergistically augments insulin secretion via Epac2aRap1 signaling in pancreatic beta cells (12). However, it is unclear whether the treatments including DPP-4 inhibitors control the blood glucose levels for a long time when the dose of sulfonylurea is reduced.…”
Section: Discussionmentioning
confidence: 99%
“…5. Вызванное ГПП-1 усиление индуцированной глибенкламидом и глимепиридом, но не гликлазидом секреции инсулина снижено у мышей Epac2A-/- [22]. Примечание: GLP-1 -ГПП-1, AUC -площадь под кривой.…”
Section: вопросы патогенезаunclassified
“…Было обнаружено, что одновременное назначение препарата, основанного на действии инкретинов и ПСМ, усиливает секрецию инсу-лина у человека. Тем не менее, подлежащие механизмы усиления секреции инсулина на фоне сочетания сигналь-ного пути инкретина/цАМФ и ПСМ неизвестны [22,23].…”
Section: вопросы патогенезаunclassified
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