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|Title:||S-nitrosothiols As Platforms For Topical Nitric Oxide Delivery|
|Abstract:||Nitric oxide (NO) is a Small radical species involved in several fundamental physiological processes, including the control of vascular tone, the immune response and neuronal signalling. Endothelial dysfunction with the decreased NO bioavailability is the underlying cause of several diseases and has led to the development of a wide range of systemic NO donor compounds to lower the blood pressure and control hypertensive crises. However, several potential therapeutic actions of NO, not related to the cardiovascular system, demand exclusively local actions. Primary S-nitrosothiols (RSNOs) are endogenously found NO carriers and donors and have emerged as platforms for the localized delivery of NO in topical applications. Formulations for this purpose have evolved from low molecular weight RSNOs incorporated in polymeric films, hydrogels and viscous vehicles, to polymeric RSNOs where the SNO moiety is covalently bound to the polymer backbone. The biological actions displayed by these formulations include the increase in dermal vasodilation, the acceleration of wound healing, the killing of infectious microorganisms and an analgesic action against inflammatory pain. This MiniReview focuses on the state of the art of experimental topical formulations for NO delivery based on S-nitrosothiols and their potential therapeutic applications.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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