Channeling dysglycemia: ion-channel variations perturbing glucose homeostasis.

Denton JS, Jacobson DA
Trends Endocrinol Metab. 2012 23 (1): 41-8

PMID: 22134088 · PMCID: PMC3733341 · DOI:10.1016/j.tem.2011.09.004

Maintaining blood glucose homeostasis is a complex process that depends on pancreatic islet hormone secretion. Hormone secretion from islets is coupled to calcium entry which results from regenerative islet cell electrical activity. Therefore, the ionic mechanisms that regulate calcium entry into islet cells are crucial for maintaining normal glucose homeostasis. Genome-wide association studies (GWAS) have identified single-nucleotide polymorphisms (SNPs), including five located in or near ion-channel or associated subunit genes, which show an association with human diseases characterized by dysglycemia. This review focuses on polymorphisms and mutations in ion-channel genes that are associated with perturbations in human glucose homeostasis and discusses their potential roles in modulating pancreatic islet hormone secretion.

Copyright © 2011 Elsevier Ltd. All rights reserved.

MeSH Terms (15)

Animals Blood Glucose Calcium Channels, R-Type Glucose Metabolism Disorders Homeostasis Humans Insulin Insulin Secretion Ion Channels Islets of Langerhans KATP Channels KCNQ1 Potassium Channel Mutation Polymorphism, Single Nucleotide Potassium Channels, Inwardly Rectifying

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