Do ATP and NO interact in the CNS?

Maria Teresa Viscomi, Nadia D'Ambrosi, Fulvio Florenzano, Susanna Amadio, Cinzia Volonté, Marco Molinari

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

30 Citazioni (Scopus)

Abstract

Enzymatically derived NO and extracellular ATP are receiving greater attention due to their role as messengers in the CNS during different physiological and pathological processes. Ionotropic (P2XR) and metabotropic (P2YR) purinergic receptors mediate ATP effects and are present throughout the body. Particularly P2XR are crucial for brain plasticity mechanisms, and are involved in the pathogenesis of different CNS illnesses. NO does not have a specific receptor and its actions are directly dependent on the production on demand by different nitric oxide synthase isoforms. NO synthesizing enzymes are present virtually in all tissues, and NO influences multifarious physiological and pathological functions. Interestingly, various are the tissue and organs modulated by both ATP and NO, such as the immune, brain and vascular systems. Moreover, direct interactions between purinergic and nitrergic mechanisms outside the CNS are well documented, with several studies also indicating that ATP and NO do participate to the same CNS functions. In the past few years, further experimental evidence supported the physiological and pathological relevance of ATP and NO direct interactions in the CNS. The aim of the present review is to provide an account of the available information on the interplay between purinergic and nitrergic systems, focussing on the CNS. The already established relevance of ATP and NO in different pathological processes would predict that the knowledge of ATP/NO cross-talk mechanisms would support pharmacological approaches toward the development of novel ATP/NO combined pharmacological agents.
Lingua originaleEnglish
pagine (da-a)40-56
Numero di pagine17
RivistaProgress in Neurobiology
Volume84
DOI
Stato di pubblicazionePubblicato - 2008

Keywords

  • Adenosine Triphosphate
  • Animals
  • Cell Communication
  • Central Nervous System
  • Humans
  • Neuroglia
  • Neurons
  • Nitric Oxide
  • Nitric Oxide Synthase
  • Receptors, Purinergic P2
  • Receptors, Purinergic P2X
  • Signal Transduction

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