Involvement of µ-Opioid Receptor in Methamphetamine-Induced Behavioral Sensitization
2011

Role of µ-Opioid Receptor in Methamphetamine-Induced Behavioral Sensitization

publication Evidence: moderate

Author Information

Author(s): Tien Lu-Tai, Ho Ing-Kang

Primary Institution: Fu-Jen Catholic University, National Health Research Institutes

Hypothesis

The involvement of the μ-opioid receptor system underlies the development of methamphetamine-induced behavioral sensitization.

Conclusion

The μ-opioid receptor plays an important role in modulating the development of methamphetamine-induced behavioral sensitization through dopaminergic neurotransmission.

Supporting Evidence

  • Repeated administration of methamphetamine induces behavioral sensitization.
  • The μ-opioid receptor system is believed to play a critical role in the development of behavioral sensitization.
  • Blockade of the μ-opioid receptor reduces the development of methamphetamine-induced sensitization.
  • Mu-opioid receptor knockout mice show less behavioral sensitization than wild-type mice after methamphetamine administration.

Takeaway

This study shows that a specific brain receptor helps control how methamphetamine affects behavior, which could help in treating addiction.

Methodology

The study reviews previous research on the role of the μ-opioid receptor in methamphetamine-induced behavioral sensitization and discusses animal models and biochemical factors.

Limitations

The mechanisms of methamphetamine-induced behavioral sensitization remain unclear, and further studies are necessary.

Digital Object Identifier (DOI)

10.2174/157015911795016949

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