Abstract:Chronic exposure of adult mice to inhalational anesthetic nitrous oxide (N2O) results in anesthetic tolerance. N2O is an NMDA (N‐methyl‐d‐aspartate) antagonist. It has been demonstrated that chronic administration of members of the NMDA antagonist class of drugs (e.g., MK801) causes upregulation of NMDA receptors in certain brain regions that could, at least in part, explain the development of tolerance. We sought to determine whether the anesthetic tolerance resulting from chronic exposure to N2O reflects cha… Show more
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