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A Protocol for Measuring Cue Reactivity in a Rat Model of Cocaine Use Disorder
Published on: June 18, 2018
Peripheral toxicity in crack cocaine use disorders
Joana C M Narvaez1, Pedro V Magalhães, Gabriel R Fries
1Bipolar Disorders Program & INCT Translational Medicine, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.
Neuroscience Letters
|April 20, 2013
Summary
Crack cocaine use disorders activate immune and inflammatory systems, increasing brain-derived neurotrophic factor (BDNF) and cytokines like IL-1β, TNF-α, and IL-10. Oxidative damage was not significantly different between users and controls.
Area of Science:
- Neuroscience
- Immunology
- Addiction Medicine
Background:
- Crack cocaine misuse has known cognitive effects, but its systemic pathophysiology remains under-explored.
- Understanding the biological underpinnings of crack cocaine use disorders is crucial for developing effective treatments.
Purpose of the Study:
- To investigate systemic pathophysiology in crack cocaine use disorders by examining inflammation markers, oxidative damage, and brain-derived neurotrophic factor (BDNF).
Main Methods:
- A cross-sectional study comparing 53 outpatients with crack cocaine use disorders to 50 matched control subjects.
- Measurement of circulating cytokines (IL-1β, TNF-α, IL-10), oxidative damage markers, and BDNF levels.
Main Results:
- Crack cocaine users exhibited higher BDNF levels, particularly in recent users, compared to controls.
- Elevated circulating levels of IL-1β, TNF-α, and IL-10 were observed in patients with crack cocaine use disorders.
- No significant differences in oxidative damage were found between the patient and control groups.
Conclusions:
- Crack cocaine use disorders are associated with activation of the reward, immune, and inflammatory systems.
- Findings suggest a link between crack cocaine use and neuroinflammation, indicated by elevated BDNF and specific cytokines.
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