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Salvinorin A is a naturally occurring hallucinogenic diterpenoid from the plant Salvia divinorumthat selectively and potently… Expand &NA; Based on concepts that endogenous opioids participate in neural transmission of pain, the present study in central… Expand The binding of [11C]diprenorphine to µ, κ, and Δ subsites in cortical and subcortical structures was measured by positron… Expand To understand how two structurally analogous ligand-receptor systems, the nociceptin/opioid receptor-like 1 (ORL1) and dynorphin… Expand Using 18F-fluorodeoxyglucose and 11C-diprenorphine positron emission tomography (PET), we investigated alterations in glucose… Expand The regional binding of the opiate receptor ligand diprenorphine has been examined in rat brain both in vivo and in vitro. The… Expand Multiple modulatory effects of opioids on the duration of the calcium component of the action potential (APD) of dorsal-root… Expand (3H)Diprenorphine binding was analyzed autoradiographically in the brains of 33 day old rat pups. A photographic atlas of… Expand From the following three lines of evidence, it is proposed that at least part of the convulsant activity of naloxone is a result… Expand 1 Buprenorphine is a highly lipophilic derivative of oripavine. In rodent antinociceptive assays (writhing, tail pressure… Expand