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: Contribution to journalArticle

5 Citations (Scopus)

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.

Original languageEnglish (US)
Pages (from-to)585-595
Number of pages11
JournalAlcoholism: Clinical and Experimental Research
Volume41
Issue number3
DOIs
StatePublished - Mar 1 2017

Fingerprint

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

All Science Journal Classification (ASJC) codes

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

Cite this

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 ; Vol. 41, No. 3. pp. 585-595.
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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, Vol. 41, No. 3, 01.03.2017, p. 585-595.

Research output: Contribution to journalArticle

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T1 - Peripheral Immune System Adaptations and Motivation for Alcohol in Non-Dependent Problem Drinkers

AU - Milivojevic, Verica

AU - Ansell, Emily

AU - Simpson, Christine

AU - Siedlarz, Kristen M.

AU - Sinha, Rajita

AU - Fox, Helen C.

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N2 - 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.

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