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Severe Congenital Hyperinsulinism Caused by a Mutation in the Kir6.2 Subunit of the Adenosine Triphosphate-Sensitive Potassium Channel Impairing Trafficking and Function
Author(s) -
Eric Marthinet,
Alain Bloc,
Y Oka,
Yukio Tanizawa,
Bernhard WehrleHaller,
Victor Bancila,
Jean-Michel Dubuis,
Jacques Philippé,
Valérie Schwitzgebel
Publication year - 2005
Publication title -
the journal of clinical endocrinology and metabolism
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.206
H-Index - 353
eISSN - 1945-7197
pISSN - 0021-972X
DOI - 10.1210/jc.2005-0202
Subject(s) - hyperinsulinemic hypoglycemia , sulfonylurea receptor , congenital hyperinsulinism , medicine , endocrinology , hek 293 cells , potassium channel , hyperinsulinism , er retention , diazoxide , mutation , endoplasmic reticulum , kir6.2 , hypoglycemia , biology , microbiology and biotechnology , protein subunit , mutant , receptor , insulin , glibenclamide , biochemistry , insulin resistance , diabetes mellitus , gene
The ATP-sensitive potassium (K(ATP)) channel, assembled from the inwardly rectifying potassium channel Kir6.2 and the sulfonylurea receptor 1, regulates insulin secretion in beta-cells. A loss of function of K(ATP) channels causes depolarization of beta-cells and congenital hyperinsulinism (CHI), a disease presenting with severe hypoglycemia in the newborn period.

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