期刊
CURRENT PHARMACEUTICAL DESIGN
卷 6, 期 13, 页码 1381-1397出版社
BENTHAM SCIENCE PUBL LTD
DOI: 10.2174/1381612003399419
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资金
- NIDA NIH HHS [DA7215, DA152, DA3801] Funding Source: Medline
- NATIONAL INSTITUTE ON DRUG ABUSE [R01DA003801, R01DA007215, R37DA003801] Funding Source: NIH RePORTER
The identification of arachidonylethanolamide (anandamide, AEA) as an endogenous cannabinoid has been an important development in cannabinoid research which has led to the identification of two proteins associated with cannabinoid physiology in addition to the CB1 and CB2 receptors. These proteins are anandamide amidohydrolase (AAH), an enzyme responsible for the hydrolytic breakdown of anandamide and the anandamide transporter (ANT), a carrier protein involved in the transport of anandamide across the cell membrane. Evidence obtained so far suggests that these two proteins, in combination, are responsible for the termination of the biological actions of anandamide. Also, the discovery of anandamide has revealed a novel class of more selective agents possessing somewhat different pharmacological properties than the cannabinoids. A number of such analogs have now been reported many of which possess markedly improved cannabinoid receptor affinities and metabolic stabilities compared to those of the parent ligand. Generally, anandamide and all known analogs exhibit significant selectivities with high affinities for the CB1 receptor and modest to very low affinity for the CB2 receptor. In a relatively short period of time, pharmacological and biochemical studies have confirmed initial speculations that anandamide is either a neuromodulator or neurotransmitter and has significantly advanced our understanding of cannabinoid biochemistry. This summary seeks to define the pharmacology of endocannabinoids and to focus on the structure-activity relationships (SAR) of anandamide for the CBI cannabinoid receptor.
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