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P-8502—a new mu selective opioid receptor ligand

   
@article{APS5295,
	author = {Bang-lun Ge and Hong-ping Zhang and Yong-ping Xu and Wei-jun Zhang},
	title = {P-8502—a new mu selective opioid receptor ligand},
	journal = {Acta Pharmacologica Sinica},
	volume = {10},
	number = {1},
	year = {2016},
	keywords = {},
	abstract = {The analgesic potencies of 3-[beta-(p-amino)-phenethyl)-9 beta-methoxy-9 alpha-(m-methoxyphenyl)-3- azabicyclo [3,3,1] nonane (P-8502) and 3-[beta-(p-monoester fumarylamido)-phenethyl]-9 beta-methoxy-9 alpha-(m-methoxyphenyl)-3-azabicyclo [3,3,1] nonane (P-8511) were examined. The analgesic ED50 of P-8502 and P-8511 were 55 and 200 micrograms/kg (mice, ip, hot plate), and 30 and 95 micrograms/kg (rat, sc, tail flick), respectively. The duration of the analgesic action of P-8511 (about 4 h) was longer than that of P-8502 (about 1.5 h, rat, sc, tail flick). Binding assay showed that P-8502 had a high ratio of delta/mu, kappa/mu: IC50 (DPDPE)/IC50 (DAGO) = 399; IC50(DAD-LE)/IC50 (DAGO) = 1498; IC50 (kappa)/IC50 (DAGO) = 159. In conclusion, P-8502 appears to be a new mu selective opioid receptor ligand, whereas P-8511 has no such selectivity.},
	issn = {1745-7254},	url = {http://www.chinaphar.com/article/view/5295}
}