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Related Experiment Videos

Exogenous and endogenous opioids as biological response modifiers

D J Carr1, M Serou

  • 1Department of Microbiology, Stanley S. Scott Cancer Center, New Orleans, LA 70112-1393, USA. dcarr@pop3.1sumc.edu

Immunopharmacology
|November 1, 1995
PubMed
Summary

Opioid drugs suppress immune function, potentially worsening HIV-1 infection and tumor growth. This review compares endogenous and exogenous opioids

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Area of Science:

  • Immunology
  • Virology
  • Oncology

Background:

  • Opioid analgesics are widely prescribed for pain management.
  • Opioids can cause immunosuppression, affecting cell-mediated immunity.
  • Opioid use is prevalent among individuals with HIV-1 infection.

Purpose of the Study:

  • To review the impact of opioids on cell-mediated immunity.
  • To explore the relationship between opioid use, viral infections (HIV-1), and tumor development.
  • To compare endogenous opioid peptides and exogenous opiates.

Main Methods:

  • Literature review of studies on opioid effects on immunity, viral load, and tumors.
  • Analysis of experimental evidence regarding opioid-mediated changes in leukocyte function.
  • Comparative assessment of endogenous and exogenous opioid impacts.

Main Results:

  • Opioid narcotics exhibit immunosuppressive qualities, particularly affecting cell-mediated immunity.
  • Evidence suggests opioids may increase viral load in HIV-1-infected individuals.
  • Opioids have been shown to influence tumor growth and development.

Conclusions:

  • Opioid-induced immunosuppression poses risks for viral infections like HIV-1 and cancer.
  • Understanding opioid effects on immunity is crucial for managing co-infections and comorbidities.
  • Further research is needed to elucidate the mechanisms and clinical implications.

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