NADPH oxidase is expressed in the cardiovascular system and is involved in physiological and pathological processes such as the regulation of cardiac contractility, vascular tone, cell growth, migration, proliferation, hypertrophy, apoptosis and matrix deposition [20], [28].
NO exerts physiological effects by controlling vascular tone, cell adhesion, vascular permeability and platelet adhesion [ 12, 13, 15, 60].
Heme oxygenase (HO -1 is an oxygen-dependent enzyme tHO -1ay regulate vascular tone and cell proliseranion through the production of carbon monoxidenzyme.
Reactive Oxygen Species (ROS) and Reactive Nitrogen Species (RNS) exert their detrimental effects at least partially, through endothelial dysfunction with alterations of vascular tone, increased cell adhesion, and vascular permeability [18, 19].
Several other satellite reactions are involved in an inexorable pathogenetic cascade, including disturbances of microvascular tone, endothelial cell swelling, and activation of platelets, leucocytes, and coagulation [ 6].
Defending against hypertension and salt and water retention, they antagonize the renin angiotensin aldosterone system, including effects on renal tubule sodium reabsorption, vascular tone and cell growth.
Endothelial cells are highly metabolically active and play an important role in many physiological functions, including the control of vasomotor tone, blood cell trafficking, haemostatic balance, permeability, proliferation, and immunity.
Consequently, vascular ECs play a critical role in many physiological processes, including the control of vasomotor tone, blood cell trafficking, the maintenance of blood fluidity, hemostatic balance, permeability, angiogenesis, and both innate and adaptive immunity.
The GJ permeability was functionally assessed by the propagation of calcium signals (intercellular transfer of calcium or IP3) which is important in the endothelial control of vascular tone and cell adhesion.
Reactive Oxygen Species (ROS) and Reactive Nitrogen Species (RNS) exert their detrimental effects at least partially, through endothelial dysfunction with alterations of vascular tone, increased cell adhesion, and vascular permeability [ 18, 19].
In fact, it is known that the endothelium plays an important role in many physiological functions, including the control of vascular tone, blood cell trafficking, innate and adaptive immunity, and hemostasis [ 3].
