Regulation of opioid receptor signalling: Implications for the development of analgesic tolerance
2011

Regulation of Opioid Receptor Signalling and Analgesic Tolerance

publication Evidence: moderate

Author Information

Author(s): Nagi Karim, Graciela Piñeyro

Primary Institution: Université de Montréal

Hypothesis

How do adaptations in opioid receptor signaling contribute to the development of analgesic tolerance during repeated opioid administration?

Conclusion

The study suggests that the regulation of opioid receptor signaling is complex and involves multiple mechanisms that contribute to analgesic tolerance.

Supporting Evidence

  • Opioid receptor adaptations can lead to tolerance, dependence, and abuse.
  • Different neuronal populations respond differently to opioid receptor activation.
  • Internalization of opioid receptors is linked to the development of analgesic tolerance.

Takeaway

When you take pain medicine like opioids, your body can get used to it, making it less effective over time. This study looks at how that happens.

Methodology

The review discusses molecular mechanisms of opioid receptor regulation and adaptations in vivo related to analgesic tolerance.

Limitations

The complexity of opioid receptor signaling and the variability in responses across different neuronal populations limit the ability to generalize findings.

Digital Object Identifier (DOI)

10.1186/1756-6606-4-25

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