Review
doi: 10.1038/nrn2214.
Nitric oxide in the central nervous system: neuroprotection versus neurotoxicity
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- PMID: 17882254
- DOI: 10.1038/nrn2214
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Review
Nitric oxide in the central nervous system: neuroprotection versus neurotoxicity
Nat Rev Neurosci.
2007 Oct.
Abstract
At the end of the 1980s, it was clearly demonstrated that cells produce nitric oxide and that this gaseous molecule is involved in the regulation of the cardiovascular, immune and nervous systems, rather than simply being a toxic pollutant. In the CNS, nitric oxide has an array of functions, such as the regulation of synaptic plasticity, the sleep-wake cycle and hormone secretion. Particularly interesting is the role of nitric oxide as a Janus molecule in the cell death or survival mechanisms in brain cells. In fact, physiological amounts of this gas are neuroprotective, whereas higher concentrations are clearly neurotoxic.
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