Glucose 6-P Dehydrogenase Overexpression Improves Aging-Induced Endothelial Dysfunction in Aorta from Mice: Role of Arginase II

E Serna, MD Mauricio, T San-Miguel… - International Journal of …, 2023 - mdpi.com
The increase of vascular arginase activity during aging causes endothelial dysfunction. This
enzyme competes with the endothelial nitric oxide synthase (eNOS) for L-arginine substrate …

Aging modulates the influence of arginase on endothelial dysfunction in obesity

S Masi, R Colucci, E Duranti, M Nannipieri… - … and Vascular Biology, 2018 - Am Heart Assoc
Objective—Arginase can reduce NO availability. In this study, we explored arginase as a
determinant of endothelial dysfunction in small arteries from obese patients and its …

Arginase reciprocally regulates nitric oxide synthase activity and contributes to endothelial dysfunction in aging blood vessels

DE Berkowitz, R White, D Li, KM Minhas, A Cernetich… - Circulation, 2003 - Am Heart Assoc
Background—Although abnormal l-arginine NO signaling contributes to endothelial
dysfunction in the aging cardiovascular system, the biochemical mechanisms remain …

Arginase inhibition restores NOS coupling and reverses endothelial dysfunction and vascular stiffness in old rats

JH Kim, LJ Bugaj, YJ Oh… - Journal of applied …, 2009 - journals.physiology.org
There is increasing evidence that upregulation of arginase contributes to impaired
endothelial function in aging. In this study, we demonstrate that arginase upregulation leads …

Increased arginase II activity contributes to endothelial dysfunction through endothelial nitric oxide synthase uncoupling in aged mice

W Shin, DE Berkowitz, S Ryoo - Experimental & molecular medicine, 2012 - nature.com
The incidence of cardiovascular disease is predicted to increase as the population ages.
There is accumulating evidence that arginase upregulation is associated with impaired …

Arginase overexpression and NADPH oxidase stimulation underlie impaired vasodilation induced by advanced glycation end products

HM El-Bassossy, T Neamatallah, KS Balamash… - Biochemical and …, 2018 - Elsevier
Abstract Background Advanced glycation endproducts (AGEs) play a major role in the
development of many vascular complications that are mediated by endothelial dysfunction …

Selective endothelial overexpression of arginase II induces endothelial dysfunction and hypertension and enhances atherosclerosis in mice

BL Vaisman, KL Andrews, SML Khong, KC Wood… - PloS one, 2012 - journals.plos.org
Background Cardiovascular disorders associated with endothelial dysfunction, such as
atherosclerosis, have decreased nitric oxide (NO) bioavailability. Arginase in the vasculature …

Arginase inhibition improves endothelial function in an age-dependent manner in healthy elderly humans

A Mahdi, J Pernow, O Kövamees - Rejuvenation Research, 2019 - liebertpub.com
Reduced bioavailability of nitric oxide (NO) is accompanied by endothelial dysfunction,
which precedes clinical signs of atherosclerosis. The metalloenzyme arginase reciprocally …

Knockdown of arginase I restores NO signaling in the vasculature of old rats

AR White, S Ryoo, D Li, HC Champion, J Steppan… - …, 2006 - Am Heart Assoc
Arginase, expressed in endothelial cells and upregulated in aging blood vessels, competes
with NO synthase (NOS) for l-arginine, thus modulating vasoreactivity and attenuating NO …

Diabetes-induced vascular dysfunction involves arginase I

MJ Romero, JA Iddings, DH Platt… - American Journal …, 2012 - journals.physiology.org
Arginase can cause vascular dysfunction by competing with nitric oxide synthase for l-
arginine and by increasing cell proliferation and collagen formation, which promote vascular …