Title : FOXO1 impairs whereas statin protects endothelial function in diabetes through reciprocal regulation of Kruppel-like factor 2.

Pub. Date : 2013 Jan 1

PMID : 23002242






5 Functional Relationships(s)
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1 This study was designed to evaluate the reciprocal regulation of KLF2 by the forkhead transcription factor FOXO1, and the 3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitor atorvastatin, in hyperglycaemic conditions. Atorvastatin Kruppel-like factor 2 Rattus norvegicus
2 Interestingly, atorvastatin inhibited FOXO1 by increasing phosphorylation and also by inhibiting nuclear localization and replenished KLF2 in high-glucose conditions. Atorvastatin Kruppel-like factor 2 Rattus norvegicus
3 Chromatin immunoprecipitation analysis demonstrated that glucose increased whereas atorvastatin decreased FOXO1 binding to the promoter region of the KLF2 gene. Atorvastatin Kruppel-like factor 2 Rattus norvegicus
4 In the vessels of Otsuka Long-Evans Tokushima Fatty rats, animal models of type 2 diabetes, FOXO1 was activated and KLF2 was suppressed, and this was reversed by atorvastatin treatment. Atorvastatin Kruppel-like factor 2 Rattus norvegicus
5 High-glucose-induced, FOXO1-mediated KLF2 suppression was reversed by atorvastatin, suggesting that intensive statin treatment could be a therapeutic option in diabetic vascular dysfunction. Atorvastatin Kruppel-like factor 2 Rattus norvegicus