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Cannabinoids, including tetrahydrocannabinol (THC), the active drug in cannabis, can also be produced by bioengineered yeast, a process colloquially known as pharming. [1] In 2007, a research group reported the successful transgenic placement of a THCA synthase gene from Cannabis plant into the Pichia pastoris yeast, giving the yeast the ability to turn the precursor molecule cannabigerolic ...
Similar enzymes to THCA synthase catalyze the formation of other cannabinoids. For example, cannabidiolic acid (CBDA) synthase is a flavoprotein that catalyzes a similar oxidative cyclization of CPGA into CBDA, the dominant cannabinoid constituent of fiber-type C. sativa. CBDA undergoes a similar decarboxylation to form cannabidiol. [12]
3D model of 2-Arachidonoylglycerol, an endocannaboid. The endocannabinoid system (ECS) is a biological system composed of endocannabinoids, which are neurotransmitters that bind to cannabinoid receptors, and cannabinoid receptor proteins that are expressed throughout the central nervous system (including the brain) and peripheral nervous system.
The mechanisms and enzymes underlying the biosynthesis of endocannabinoids remain elusive and continue to be an area of active research. The endocannabinoid 2-AG has been found in bovine and human maternal milk. [92] A review by Matties et al. (1994) summed up the phenomenon of gustatory enhancement by certain cannabinoids. [93]
In addition, mevalonic acid's (MVA) involvement in biosynthesis of complex terpenoids, such as steroids, was demonstrated in 1983. [14] Once produced, specifically within the disk cells, terpenes are stored within the trichomes of the plant. There are several types of terpenes in cannabis composed of varying numbers of isoprene units. [16]
Furthermore, in populations of low cannabinoid receptor density, THC may even act to antagonize endogenous agonists that possess greater receptor efficacy. However while THC's pharmacodynamic tolerance may limit the maximal effects of certain drugs, evidence suggests that this tolerance mitigates undesirable effects, thus enhancing the drug's ...
Cannabinoids (/ k ə ˈ n æ b ə n ɔɪ d z ˌ ˈ k æ n ə b ə n ɔɪ d z /) are compounds found in the cannabis plant or synthetic compounds that can interact with the endocannabinoid system. [ 1 ] [ 2 ] The most notable cannabinoid is the phytocannabinoid tetrahydrocannabinol (THC) (Delta-9-THC), the primary intoxicating compound in cannabis .
Biosynthesis of tetrahydrocannabinolic acid (THCA). In the first step, geranyl pyrophosphate and olivetolic acid form cannabigerolic acid, which is then enzymatically rearranged to THCA in the second step. Cannabigerolic acid (CBGA) is the acidic form of cannabigerol (CBG).