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2C-B (4-bromo-2,5-dimethoxyphenethylamine), also known as Nexus, is a synthetic psychedelic drug of the 2C family, mainly used as a recreational drug. [2] [1] [4] It was first synthesized by Alexander Shulgin in 1974 for use in psychotherapy.
There are two known subtypes of cannabinoid receptors, termed CB 1 and CB 2. [6] [7] The CB 1 receptor is expressed mainly in the brain (central nervous system or "CNS"), but also in the lungs, liver and kidneys. The CB 2 receptor is expressed mainly in the immune system, in hematopoietic cells, [8] and in parts of the brain. [9] The protein ...
The cannabinoid receptor 2 (CB2), is a G protein-coupled receptor from the cannabinoid receptor family that in humans is encoded by the CNR2 gene. [5] [6] It is closely related to the cannabinoid receptor 1 (CB1), which is largely responsible for the efficacy of endocannabinoid-mediated presynaptic-inhibition, the psychoactive properties of tetrahydrocannabinol (THC), the active agent in ...
While found only in the peripheral nervous system, a report does indicate that CB 2 is expressed by a subpopulation of microglia in the human cerebellum. [20] CB 2 receptors appear to be responsible for immunomodulatory [19] and possibly other therapeutic effects of cannabinoid as seen in vitro and in animal models. [18]
A dried cannabis flower. The short-term effects of cannabis are caused by many chemical compounds in the cannabis plant, including 113 [clarification needed] different cannabinoids, such as tetrahydrocannabinol, and 120 terpenes, [1] which allow its drug to have various psychological and physiological effects on the human body.
Most synthetic analogs of cannabinoids mimic the structure of 9-tetrahydrocannabinol (THC), which makes them an agonist to the CB 1 (Type I) and CB 2 (Type II) cannabinoid receptors. CB 1 in particular, is expressed in the central nervous system and largely responsible for the psychoactive effect.. [16] A typical agonist consists of the ...
Cannabinol (CBN) is a mildly psychoactive phytocannabinoid that acts as a low affinity partial agonist at both CB 1 and CB 2 receptors.This activity at CB 1 and CB 2 receptors constitutes interaction of CBN with the endocannabinoid system (ECS).
The endogenous cannabinoid system includes cannabinoid receptors, their endogenous ligands (endocannabinoids) and enzymes for their synthesis and degradation. [13]There are two main receptor types associated with the endocannabinoid signaling system: cannabinoid receptor 1 (CB 1) and 2 (CB 2).