title: Current understanding of K ATP channels in neonatal diseases: focus on insulin secretion disorders.
abstract: ATP-sensitive potassium (K(ATP)) channels are cell metabolic sensors that couple cell metabolic status to electric activity, thus regulating many cellular functions. In pancreatic beta cells, K(ATP) channels modulate insulin secretion in response to fluctuations in plasma glucose level, and play an important role in glucose homeostasis. Recent studies show that gain-of-function and loss-of-function mutations in K(ATP) channel subunits cause neonatal diabetes mellitus and congenital hyperinsulinism respectively. These findings lead to significant changes in the diagnosis and treatment for neonatal insulin secretion disorders. This review describes the physiological and pathophysiological functions of K(ATP) channels in glucose homeostasis, their specific roles in neonatal diabetes mellitus and congenital hyperinsulinism, as well as future perspectives of K(ATP) channels in neonatal diseases.
authors: Department of Physiology, University of Toronto, 1 King's College Circle, Toronto, Ontario, Canada.
authors: Yi
authors: Y
authors: Quan
authors: Andrew
authors: A
authors: Barszczyk
authors: Zhong-ping
authors: ZP
authors: Feng
authors: Hong-shuo
authors: HS
authors: Sun
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