Peripheral Immune System Adaptations and Motivation for Alcohol in Non-Dependent Problem Drinkers

Verica Milivojevic, Emily Ansell, Christine Simpson, Kristen M. Siedlarz, Rajita Sinha, Helen C. Fox

Research output: Research - peer-reviewArticle

Abstract

Background: Increasing evidence suggests that levels of pro-inflammatory and anti-inflammatory cytokines are dysfunctional in alcohol dependence. Moreover, some initial findings demonstrate that these adaptations in peripheral inflammation may contribute to motivation for alcohol and problem drinking via possible direct effects or the indirect effects of stress responsivity. Importantly, the role of pro-inflammatory and anti-inflammatory cytokines in the progression from healthy to problem drinking is not well understood. The aim of this study was to assess whether alcohol-related peripheral immune system changes affect stress and alcohol cue-induced craving and anxiety and behavioral alcohol motivation and intake in the laboratory among problem drinkers compared with socially drinking controls. Methods: Twenty-six problem drinkers and 38 moderate, social drinkers participated in a laboratory challenge procedure during which they were exposed to 3 personalized 5-minute imagery conditions (stress [S], relaxing [R], and alcohol cue [C]), followed by the "alcohol taste test" (ATT) as a measure of implicit alcohol motivation and intake, presented across 3 consecutive days, 1 per day in a randomized and counterbalanced order. Measures of tumor necrosis factor-alpha (TNFα), interleukin-6 (IL-6), interleukin-1 receptor antagonist (IL-1ra), alcohol craving, and anxiety were assessed at baseline, immediately following imagery exposure and at discreet beer cue presentation in the ATT. Results: Compared with moderate drinkers, problem drinkers demonstrated tonic attenuation of IL-6 and IL-1ra. In problem drinkers, these changes also accompanied elevated levels of stress- and cue-induced alcohol craving and anxiety and were predictive of provoked alcohol craving, behavioral alcohol motivation and intake, and severity of problem drinking. Conclusions: Current findings indicate that selective immunosuppression in problem drinkers may play a key role in motivation for alcohol intake.

LanguageEnglish (US)
JournalAlcoholism: Clinical and Experimental Research
DOIs
StateAccepted/In press - 2017

Fingerprint

Motivation
Immune System
Alcohols
Immune system
Cues
Craving
Drinking
Anxiety
Interleukin-1 Receptors
Imagery (Psychotherapy)
Interleukin-6
Anti-Inflammatory Agents
Cytokines
Alcohol Drinking
Immunosuppression
Alcoholism
Tumor Necrosis Factor-alpha
Inflammation
Beer

Keywords

  • Alcohol Intake
  • Cytokines
  • Immune System
  • Problem Drinking
  • Stress

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Toxicology
  • Psychiatry and Mental health

Cite this

Peripheral Immune System Adaptations and Motivation for Alcohol in Non-Dependent Problem Drinkers. / Milivojevic, Verica; Ansell, Emily; Simpson, Christine; Siedlarz, Kristen M.; Sinha, Rajita; Fox, Helen C.

In: Alcoholism: Clinical and Experimental Research, 2017.

Research output: Research - peer-reviewArticle

Milivojevic, Verica ; Ansell, Emily ; Simpson, Christine ; Siedlarz, Kristen M. ; Sinha, Rajita ; Fox, Helen C./ Peripheral Immune System Adaptations and Motivation for Alcohol in Non-Dependent Problem Drinkers. In: Alcoholism: Clinical and Experimental Research. 2017
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