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Cannabinoid receptor 1
Mammalian protein found in Homo sapiens / From Wikipedia, the free encyclopedia
Cannabinoid receptor 1 (CB1), is a G protein-coupled cannabinoid receptor that in humans is encoded by the CNR1 gene.[5] The human CB1 receptor is expressed in the peripheral nervous system and central nervous system.[5] It is activated by endogenous cannabinoids[6] called endocannabinoids, a group of retrograde neurotransmitters that include lipids, such as anandamide and 2-arachidonoylglycerol (2-AG); plant phytocannabinoids, such as docosatetraenoylethanolamide found in wild daga, the compound THC which is an active constituent of the psychoactive drug cannabis; and synthetic analogs of THC. CB1 is antagonized by the phytocannabinoid tetrahydrocannabivarin (THCV).[7][8]
The primary endogenous agonist of the human CB1 receptor is anandamide.[5]