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Endothelial nitric oxide synthase (eNOS) is the main source of nitric oxide (NO) in the vascular wall, a molecule with anti-inflammatory, antithrombotic, vasorelaxant, antioxidant and finally antiatherogenic properties. eNOS is expressed in vascular endothelium, and it uses l-arginine as a substrate, while it also requires the presence of multiple co-factors such as tetrahydrobiopterin (BH4), nicotinamide...
Recently generated caveolin-1 deficient mice (cav-1 −/− ) display several physiological alterations such as severe heart failure and lung fibrosis. The molecular mechanisms how the loss of caveolin-1 (cav-1) mediates these alterations are currently under debate. A plethora of studies support a role of cav-1 as a negative regulator of endothelial nitric oxide synthase (eNOS). Accordingly, constitutive...
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