Insights into the receptor transcription and signaling: Implications in opioid tolerance and dependence

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Abstract

Drug addiction has great social and economical implications. In order to resolve this problem, the molecular and cellular basis for drug addiction must be elucidated. For the past three decades, our research has focused on elucidating the molecular mechanisms behind morphine tolerance and dependence. Although there are many working hypotheses, it is our premise that cellular modulation of the receptor signaling, either via transcriptional or post-translational control of the receptor, is the basis for morphine tolerance and dependence. Thus, in the current review, we will summarize our recent work on the transcriptional and post-translational control of the opioid receptor, with special emphasis on the μ-opioid receptor, which is demonstrated to mediate the in vivo functions of morphine.

Original languageEnglish (US)
Pages (from-to)300-311
Number of pages12
JournalNeuropharmacology
Volume47
Issue numberSUPPL. 1
DOIs
StatePublished - Jan 1 2004

Keywords

  • Opioid receptor
  • Opioid tolerance
  • Receptor signaling
  • Transcription regulation

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