Related Experiment Videos
[Nitric oxide: implication in excitotoxicity and cerebral ischemia]
C Demerlé-Pallardy1, P E Chabrier
1Institut Henri Beaufour, Les Ulis.
Comptes Rendus Des Seances De La Societe De Biologie Et De Ses Filiales
|January 1, 1995
Summary
Nitric oxide (NO) plays a controversial role in neuronal death. Research on NO synthesis inhibitors in excitotoxicity and cerebral ischemia models yielded conflicting results, necessitating further review.
Area of Science:
- Neuroscience
- Biochemistry
- Cellular Biology
Context:
- Nitric oxide (NO) is produced by various central nervous system cells.
- Neuronal cells release NO upon activation of excitatory amino-acid receptors.
- Excessive receptor activation contributes to neuronal death in excitotoxicity and cerebral ischemia.
Purpose:
- To review and synthesize bibliographic data on the role of nitric oxide (NO) in neuronal death.
- To clarify the controversial findings regarding NO's involvement in neurotoxicity and ischemia.
Summary:
- Neuronal nitric oxide (NO) synthesis is triggered by excitatory amino-acid receptor activation.
- The exact role of NO in neuronal damage, particularly in excitotoxicity and cerebral ischemia, remains debated.
- Studies using NO synthesis inhibitors have produced inconsistent results, highlighting the complexity of NO's function.
Impact:
- Provides a comprehensive overview of the current understanding of nitric oxide's role in neuronal death.
- Aims to resolve discrepancies in research findings concerning NO's neuroprotective or neurotoxic effects.
- Facilitates a clearer comprehension of nitric oxide's involvement in neurological disorders like excitotoxicity and cerebral ischemia.