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The endocannabinoid system and stroke: A focused review.

Bradley Kolb1, Hamidreza Saber2, Hassan Fadel1

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The endocannabinoid system shows promise for stroke treatment. Cannabinoids, including cannabidiol, demonstrate neuroprotective effects in preclinical stroke models, offering potential therapeutic avenues.

Keywords:
Cannabidiolendocannabinoidneuroprotectionstroke

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Area of Science:

  • Neuroscience
  • Pharmacology

Background:

  • Stroke is a leading cause of death and disability globally.
  • Developing effective neuroprotective agents is critical for stroke management.

Purpose of the Study:

  • To review the endocannabinoid system's role in stroke pathophysiology.
  • To evaluate preclinical evidence for cannabinoid efficacy in stroke treatment.
  • To explore cannabidiol's neuroprotective potential and cannabinoid abuse in stroke.

Main Methods:

  • Literature review of preclinical studies in rodent stroke models.
  • Analysis of research on cannabinoid receptor 1 (CB1R) and cannabinoid receptor 2 (CB2R).
  • Examination of studies involving CB1R/CB2R co-antagonism and cannabidiol.

Main Results:

  • Evidence suggests CB1R, CB2R, and their co-antagonism are neuroprotective in rodent stroke models.
  • The endocannabinoid system shows therapeutic potential for post-stroke depression.
  • Cannabidiol exhibits neuroprotective properties against stroke, independent of direct receptor binding.

Conclusions:

  • The endocannabinoid system offers promising targets for novel stroke therapies.
  • Cannabinoids, particularly cannabidiol, warrant further investigation for stroke neuroprotection.
  • Understanding cannabinoid abuse in stroke is crucial for future therapeutic development.