Optical control of insulin release using a photoswitchable sulfonylurea.

Optical control of insulin release using a photoswitchable sulfonylurea.
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DOI:
10.1038/ncomms6116
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发表时间:
2014-10-14
影响因子:
16.6
通讯作者:
Trauner D
Trauner D
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Broichhagen J;Schönberger M;Cork SC;Frank JA;Marchetti P;Bugliani M;Shapiro AM;Trapp S;Rutter GA;Hodson DJ;Trauner D

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Sulfonylureas are widely prescribed for the treatment of type 2 diabetes mellitus (T2DM). Through their actions on ATP-sensitive potassium (KATP) channels, sulfonylureas boost insulin release from the pancreatic beta cell mass to restore glucose homeostasis. A limitation of these compounds is the elevated risk of developing hypoglycemia and cardiovascular disease, both potentially fatal complications. Here, we describe the design and development of a photoswitchable sulfonylurea, JB253, which reversibly and repeatedly blocks KATP channel activity following exposure to violet-blue light. Using in situ imaging and hormone assays, we further show that JB253 bestows light sensitivity upon rodent and human pancreatic beta cell function. Thus, JB253 enables the optical control of insulin release and may offer a valuable research tool for the interrogation of KATP channel function in health and T2DM. Sulfonylureas are widely used anti-diabetic drugs, which promote insulin release by blocking a pancreatic ion channel. Here the authors create a photoswitchable sulfonylurea derivative and use it to control insulin release from cultured cells and isolated pancreatic islets by illumination with blue light.
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