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. Author manuscript; available in PMC: 2010 Jun 9.
Published in final edited form as: J Pharmacol Exp Ther. 1998 May;285(2):518–526.

TABLE 4.

Comparison of the affinity of NTX measured by displacement of the binding of different radioligands in monkey membranes

Ligands Naltrexone
Ki ± S.E.M. (nM)		 Relative potencies
[3H]Bremazocine 2.06 ± 0.15 1.0
[3H]U69,593 0.61 ± 0.12 3.4
[3H]DAMGO 0.19 ± 0.02 10.8
a

All Ki values represent the mean of at least three experiments; see “Data Analysis” for other details.