[HTML][HTML] Hyperglycemia inhibits endothelial nitric oxide synthase activity by posttranslational modification at the Akt site

XL Du, D Edelstein, S Dimmeler, Q Ju… - The Journal of …, 2001 - Am Soc Clin Investig
Endothelial nitric oxide synthase (eNOS) is activated by phosphorylation of serine 1177 by
the protein kinase Akt/PKB. Since hyperglycemia-induced mitochondrial superoxide …

[HTML][HTML] Influence of diabetes on cardiac nitric oxide synthase expression and activity

K Stockklauser-Färber, T Ballhausen, A Laufer… - … et Biophysica Acta (BBA …, 2000 - Elsevier
There is some evidence that the endothelium dependent vasodilatation of coronary arteries
is impaired in both types of diabetes. The underlying mechanisms are not yet clear, in …

Insulin-dependent activation of endothelial nitric oxide synthase is impaired by O-linked glycosylation modification of signaling proteins in human coronary endothelial …

M Federici, R Menghini, A Mauriello, ML Hribal… - Circulation, 2002 - Am Heart Assoc
Background—Hyperglycemia impairs functional properties of cytosolic and nuclear proteins
via O-linked glycosylation modification (O-GlcNAcylation). We studied the effects of O …

Regulation of endothelial constitutive nitric oxide synthase gene expression in endothelial cells and in vivo: a specific vascular action of insulin

K Kuboki, ZY Jiang, N Takahara, SW Ha, M Igarashi… - Circulation, 2000 - Am Heart Assoc
Background—The vasodilatory effect of insulin can be acute or increase with time from 1 to 7
hours, suggesting that insulin may enhance the expression of endothelial nitric oxide …

High glucose increases nitric oxide synthase expression and superoxide anion generation in human aortic endothelial cells

F Cosentino, K Hishikawa, ZS Katusic, TF Lüscher - Circulation, 1997 - Am Heart Assoc
Background Hyperglycemia is a primary cause of premature vascular disease. Endothelial
cell dysfunction characterized by diminished endothelium-dependent relaxations is likely to …

[HTML][HTML] High glucose inhibits insulin-stimulated nitric oxide production without reducing endothelial nitric-oxide synthase Ser1177 phosphorylation in human aortic …

IP Salt, VA Morrow, FM Brandie, JMC Connell… - Journal of Biological …, 2003 - ASBMB
Recent studies have indicated that insulin activates endothelial nitric-oxide synthase (eNOS)
by protein kinase B (PKB)-mediated phosphorylation at Ser 1177 in endothelial cells …

Endothelial nitric oxide production and insulin sensitivity: a physiological link with implications for pathogenesis of cardiovascular disease

JR Petrie, S Ueda, DJ Webb, HL Elliott, JMC Connell - Circulation, 1996 - Am Heart Assoc
Background Insulin sensitivity varies up to threefold in apparently healthy individuals, but the
mechanism for this is unknown. We have examined the hypothesis that vascular endothelial …

Effects of simulated hyperglycemia, insulin, and glucagon on endothelial nitric oxide synthase expression

Y Ding, ND Vaziri, R Coulson… - American Journal of …, 2000 - journals.physiology.org
Diabetes is associated with endothelial dysfunction and increased risk of hypertension,
cardiovascular disease, and renal complications. Earlier studies have revealed that …

[HTML][HTML] Phosphorylation of endothelial nitric-oxide synthase regulates superoxide generation from the enzyme

CA Chen, LJ Druhan, S Varadharaj, YR Chen… - Journal of Biological …, 2008 - ASBMB
In the vasculature, nitric oxide (NO) is generated by endothelial NO synthase (eNOS) in a
calcium/calmodulin-dependent reaction. With oxidative stress, the critical cofactor BH 4 is …

[HTML][HTML] Hyperglycaemia-induced superoxide production decreases eNOS expression via AP-1 activation in aortic endothelial cells

S Srinivasan, ME Hatley, DT Bolick, LA Palmer… - Diabetologia, 2004 - Springer
Aims/hypothesis Hyperglycaemia is a primary cause of vascular complications in diabetes. A
hallmark of these vascular complications is endothelial cell dysfunction, which is partly due …