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Related Experiment Videos

Spreading depression-induced cyclooxygenase-2 expression in the cortex.

J Koistinaho1, P H Chan

  • 1Department of Neurosurgery, Stanford University School of Medicine, Palo Alto, CA 94304, USA. Jari.Koistinaho@uku.fi

Neurochemical Research
|July 25, 2000
PubMed
Summary

Spreading depression (SD) waves near brain injury worsen tissue damage. This review explores how cyclooxygenase-2 (COX-2) is regulated in SD, offering potential therapeutic targets for stroke.

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Area of Science:

  • Neuroscience
  • Cellular Biology
  • Biochemistry

Background:

  • Spreading depression (SD) is a cellular depolarization wave impacting brain energy metabolism.
  • SD-like waves exacerbate brain tissue damage following injury, such as ischemic stroke.
  • Brain injury upregulates genes linked to neuronal death, presenting therapeutic targets.

Purpose of the Study:

  • To review recent studies on the regulation of cyclooxygenase-2 (COX-2) in spreading depression.
  • To investigate the role of COX-2 in the context of brain injury and SD.

Main Methods:

  • Review of experimental studies focusing on SD.
  • Analysis of gene expression related to COX-2 during SD.
  • Investigation of COX-2's enzymatic activity (prostaglandin and superoxide production) in SD.

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Main Results:

  • Brain injury, particularly stroke, triggers SD-like waves.
  • Cyclooxygenase-2 (COX-2) expression is induced by brain injury.
  • COX-2 is implicated in the cellular mechanisms of SD and neuronal damage.

Conclusions:

  • COX-2 is a key molecular player in the response to SD, especially after brain injury.
  • Understanding COX-2 regulation in SD is crucial for developing neuroprotective therapies.
  • Targeting COX-2 may mitigate the detrimental effects of SD on brain tissue.