Involvement of Nitric Oxide in Nigrostriatal Dopaminergic System Degeneration : A Neurochemical Study.

Giuseppe Di Giovanni, Giuseppe Crescimanno, Arcangelo Benigno, Ennio Esposito, Massimo Pierucci, Vincenzo Di Matteo

Risultato della ricerca: Articlepeer review

25 Citazioni (Scopus)

Abstract

The present study was undertaken to explore the involvement of nitric oxide (NO) in the 6-hydroxydopamine (6-OHDA) experimental model of Parkinson's disease (PD) in rats. The effect of pharmacological manipulation of the NO system was evaluated on striatal dopamine (DA) level decrease produced by the toxin. 7-nitroindazole (7-NI, 50 mg/kg i.p.; n= 5) pretreatment significantly restored the striatal DA contents. Conversely, 40 mg/kg i.p. of molsidomine (MOL, n= 5), an NO donor, significantly worsened the neurodegeneration (n= 5) and completely counteracted the neuroprotective effect of 7-NI (n= 5). Thus, a crucial role for NO in 6-OHDA induced neurodegeneration is suggested together with a protective benefit for inhibitors of NOS in the treatment of PD.
Lingua originaleEnglish
pagine (da-a)309-315
Numero di pagine6
RivistaAnnals of the New York Academy of Sciences
Volume1155
Stato di pubblicazionePublished - 2009

All Science Journal Classification (ASJC) codes

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  • ???subjectarea.asjc.1300.1300???
  • ???subjectarea.asjc.1200.1207???

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