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Supraspinal interaction between HIV-1-gp120 and cannabinoid analgesic effectiveness.
Jonathan Palma1, Madhusudhanan Narasimhan2, Josée Guindon2
1Center for Substance Abuse Research, Temple University School of Medicine, Philadelphia, PA, 19140, USA.
Naunyn-Schmiedeberg'S Archives of Pharmacology
|July 16, 2018
Summary
HIV-1 gp120 protein in the brain
Area of Science:
- Neuroscience
- Immunology
- Pharmacology
Background:
- Cannabinoids are increasingly used for self-medication by HIV-1 patients.
- There is growing interest in cannabinoids for pain management, necessitating research into HIV-1 interactions.
Purpose of the Study:
- To investigate the interaction between HIV-1 proteins and cannabinoid effectiveness in pain relief.
- To determine if HIV-1 gp120 affects cannabinoid-induced analgesia at the supraspinal level.
Main Methods:
- Stereotaxic pretreatment of rat periaqueductal gray (PAG) with HIV-1 envelope glycoprotein 120 (gp120).
- Assessment of the effect of gp120 on cannabinoid receptor agonist WIN55,212-2-induced analgesia.
Main Results:
- HIV-1 gp120 in the PAG significantly reduced the analgesic effects of the cannabinoid agonist WIN55,212-2.
- This suggests gp120 interferes with cannabinoid-mediated pain modulation.
Conclusions:
- HIV-1 gp120 may impair cannabinoid analgesia by interacting with the cannabinoid system within the PAG.
- These findings highlight potential complications in cannabinoid-based pain management for HIV-1 patients.
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