The radical gas nitric oxide (NO) is implicated in an enormous number of biological function both in physiological and pathological conditions. Often it is not clear if it plays a deleterious or beneficial role. Here briefly, are analyzed some of the reasons of this multitude of effects. Emphasis is given to factors influencing NO formation and to the type and quantity of radicals formed by nitric oxide synthase. In particular, a comparison between the biological effects of nitroxyl anion (HNO/NO(-)) and nitric oxide NO(.) is considered. These redox siblings often exhibit orthogonal behavior in physiological and pathological conditions. In the light of the multitude of effects of NO, the role of this gas, their siblings and their derivatives in cardiac ischemic preconditioning scenario is more extensively analyzed.
Differential biological effects of products of nitric oxide (NO) synthase: it is not enough to say NO.
PAGLIARO, Pasquale
2003-01-01
Abstract
The radical gas nitric oxide (NO) is implicated in an enormous number of biological function both in physiological and pathological conditions. Often it is not clear if it plays a deleterious or beneficial role. Here briefly, are analyzed some of the reasons of this multitude of effects. Emphasis is given to factors influencing NO formation and to the type and quantity of radicals formed by nitric oxide synthase. In particular, a comparison between the biological effects of nitroxyl anion (HNO/NO(-)) and nitric oxide NO(.) is considered. These redox siblings often exhibit orthogonal behavior in physiological and pathological conditions. In the light of the multitude of effects of NO, the role of this gas, their siblings and their derivatives in cardiac ischemic preconditioning scenario is more extensively analyzed.
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