![Figure 3. Displacement of [(3) H]diprenorphine binding to recombinant [micro sign](A), [small kappa, Greek](B), and [small delta, Greek](C) opioid receptors expressed in CHO cells by racemic (R(+/−)), S(+) and R(-) ketamine (K) and selective opioid receptor antagonists ([micro sign], cyprodime;[small kappa, Greek] norbinaltrophimine;[small delta, Greek] naltrindole). (D) The displacement curves for racemic ketamine alone. Full displacement curves are corrected for the competing mass of [(3) H]diprenorphine and are mean +/− SEM (n = 6).](https://asa2.silverchair-cdn.com/asa2/content_public/journal/anesthesiology/90/1/10.1097_00000542-199901000-00023/2/23ff3.png?Expires=1716546901&Signature=3orhIsiXWVUv55rdIdYciodkLMwk-wqAFA~jiZOcudA5chx4LSR6t52LSuTIjIoUkEOEcQpfTUJ40b0vBdlnOBWZ-F8rg-SHFHIDoSgXCkFpFJooQbKjd~imyHKIa~u3SHlqOeIi0yymiVwUlsbupDla~FZFdNqpB5fWA7Pcp-KPZtMN-7zM0BYMyxh-F2-675ey59Hwx9~fst2LZURtdwBVFGtQdeeJmyAA97mBN39hiVY23Vyt53hhUJizSZjeofSB55oN7nGMMLf4QX1yc0CAHSN7oXvjaJYY9sClv~LjlaZce4IKexHsZhMriXXBphk4a~FCqNGIyrPAxWzsBg__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
Figure 3. Displacement of [(3) H]diprenorphine binding to recombinant [micro sign](A), [small kappa, Greek](B), and [small delta, Greek](C) opioid receptors expressed in CHO cells by racemic (R(+/−)), S(+) and R(-) ketamine (K) and selective opioid receptor antagonists ([micro sign], cyprodime;[small kappa, Greek] norbinaltrophimine;[small delta, Greek] naltrindole). (D) The displacement curves for racemic ketamine alone. Full displacement curves are corrected for the competing mass of [(3) H]diprenorphine and are mean +/− SEM (n = 6).
