Abstract
CB2 receptor was once considered to be the “peripheral cannabinoid receptor.” This label was based on its discovery and abundant expression in the immune system and, until recently, absence from the central nervous system. It is now accepted that CB2 receptors are expressed in the central nervous system as well. CB2 receptors have been expressed in the brain microglia during neuronal inflammation. Dorsal root ganglion upregulation of CB2 receptors plays a major role in the antinociceptive effects.
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Rech, G.R., Narouze, S.N. (2021). Cannabinoid Receptor 2 (CB2). In: Narouze, S.N. (eds) Cannabinoids and Pain. Springer, Cham. https://doi.org/10.1007/978-3-030-69186-8_8
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