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Genetic Discovery of ATP-Sensitive K+ Channels in Cardiovascular Diseases.


ABSTRACT: The ATP-sensitive K+ (KATP) channels are hetero-octameric protein complexes comprising 4 pore-forming (Kir6.x) subunits and 4 regulatory sulfonylurea receptor (SURx) subunits. They are prominent in myocytes, pancreatic ? cells, and neurons and link cellular metabolism with membrane excitability. Using genetically modified animals and genomic analysis in patients, recent studies have implicated certain ATP-sensitive K+ channel subtypes in physiological and pathological processes in a variety of cardiovascular diseases. In this review, we focus on the causal relationship between ATP-sensitive K+ channel activity and pathophysiology in the cardiovascular system, particularly from the perspective of genetic changes in human and animal models.

SUBMITTER: Huang Y 

PROVIDER: S-EPMC6494091 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature

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Genetic Discovery of ATP-Sensitive K<sup>+</sup> Channels in Cardiovascular Diseases.

Huang Yan Y   Hu Dan D   Huang Congxin C   Nichols Colin G CG  

Circulation. Arrhythmia and electrophysiology 20190501 5


The ATP-sensitive K<sup>+</sup> (K<sub>ATP</sub>) channels are hetero-octameric protein complexes comprising 4 pore-forming (Kir6.x) subunits and 4 regulatory sulfonylurea receptor (SURx) subunits. They are prominent in myocytes, pancreatic β cells, and neurons and link cellular metabolism with membrane excitability. Using genetically modified animals and genomic analysis in patients, recent studies have implicated certain ATP-sensitive K<sup>+</sup> channel subtypes in physiological and patholo  ...[more]

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