The other side of the Opioid story: Modulation of cell growth and survival signaling

Yulong L. Chen, Ping-Yee Law, Horace H Loh

Research output: Contribution to journalReview articlepeer-review

30 Scopus citations

Abstract

Opioids have been used as pain control medications for thousands of years. Opioids are highly effective analgesics clinically available for controlling moderate and severe pain. Recent genetic knockout and knockin studies have definitively demonstrated that the analgesic effect is mediated through opioid receptors. In addition to their analgesic effect, opioids also have the potential to develop tolerance and physical dependence. Moreover, opioids can modulate cell proliferation and survival. Attempts to design better opioid drugs to eliminate or diminish these undesirable effects for clinical benefits have achieved limited success. In recent years, investigation of the effects of opioid-mediated cell proliferation and survival has been very active, resulting in many publicadons. However, the molecular targets of such non-analgesic effects are complex. Several important pathways that control cell proliferation, survival, and apoptosis have been reported to be associated with the non-analgesic effects, which may be mediated through both opioid receptor signaling and other non-opioid receptor molecular entity-mediated signaling. This review tries to bring the attention ofthe medicinal chemistry community to new developments and advances in the research areas of opioid-mediated cell proliferation and survival. Further investigation of the molecular mechanism of these non-analgesic opioid effects may eventually yield useful information such as new drug targets, which may be explored to benefit for clinical treatments such as targeted cancer therapy, cancer pain management, regeneration of neurons, and recovery from drug addiction.

Original languageEnglish (US)
Pages (from-to)772-778
Number of pages7
JournalCurrent medicinal chemistry
Volume15
Issue number8
DOIs
StatePublished - Apr 2008

Keywords

  • And Signal transduction
  • Cell proliferation
  • Differentiation
  • Drug target
  • Opioid
  • Opioid ŕeceptor
  • Protein kinase
  • Survival

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