Cannabinoid CB 2 receptors in human brain inflammation

The presence of functional cannabinoid CB 2 receptors in the CNS has provoked considerable controversy over the past few years. Formerly considered as an exclusively peripheral receptor, it is now accepted that it is also present in limited amounts and distinct locations in the brain of several anim...

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Veröffentlicht in:British journal of pharmacology 2009-01, Vol.153 (2), p.277-285
Hauptverfasser: Benito, C, Tolón, R M, Pazos, M R, Núñez, E, Castillo, A I, Romero, J
Format: Artikel
Sprache:eng
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Zusammenfassung:The presence of functional cannabinoid CB 2 receptors in the CNS has provoked considerable controversy over the past few years. Formerly considered as an exclusively peripheral receptor, it is now accepted that it is also present in limited amounts and distinct locations in the brain of several animal species, including humans. Furthermore, the inducible nature of these receptors under neuroinflammatory conditions, in contrast to CB 1 , makes them attractive targets for the development of novel therapeutic approaches. In fact, the undesired psychoactive effects caused by CB 1 activation have largely limited the clinical use of cannabinoid‐related compounds that act on these receptors. In this review some recent findings on the antiinflammatory properties of CB 2 receptors are presented, as well as new perspectives that have been obtained based on studies of human postmortem brain samples. In addition, various working hypotheses are also proposed and discussed. British Journal of Pharmacology (2008) 153 , 277–285; doi: 10.1038/sj.bjp.0707505 ; published online 15 October 2007
ISSN:0007-1188
1476-5381
DOI:10.1038/sj.bjp.0707505