Two Wistar-derived rat lines, one sensitive (GHB-S) and the other resistant
(GHB-R) to the anesthetic effect of gamma -hydroxybutyric acid (GHB), have
been selectively bred. GHB-S and GHB-R rats were also sensitive and resist
ant, respectively, to the anesthetic effect of baclofen, the prototype GABA
, receptor agonist, suggesting that they may be useful to elucidate not onl
y the role of endogenous GHB but also that of GABA, receptors in sleep and
anesthesia. (C) 2001 Elsevier Science B.V. All rights reserved.