Abstract

Several studies have described a dose-dependent effect of alcohol on human health with light to moderate drinkers having a lower risk of all-cause mortality than abstainers, while heavy drinkers are at the highest risk. In the case of the immune system, moderate alcohol consumption is associated with reduced inflammation and improved responses to vaccination, while chronic heavy drinking is associated with a decreased frequency of lymphocytes and increased risk of both bacterial and viral infections. However, the mechanisms by which alcohol exerts a dose-dependent effect on the immune system remain poorly understood due to a lack of systematic studies that examine the effect of multiple doses and different time courses. This review will summarize our current understanding of the impact of moderate versus excessive alcohol consumption on the innate and adaptive branches of the immune system derived from both in vitro as well as in vivo studies carried out in humans and animal model studies.

Original languageEnglish
Pages (from-to)242-251
Number of pages10
JournalProgress in Neuro-Psychopharmacology and Biological Psychiatry
Volume65
DOIs
StatePublished - Feb 4 2016

Bibliographical note

Publisher Copyright:
© 2015 Elsevier Inc.

Funding

This work was supported by NIAAA grants AA021947 (Messaoudi), AA013510 (Grant), and AA109431 (Grant). Tasha Barr was supported by an NRSA T32 training grant ( T32 ES018827 ).

FundersFunder number
National Institutes of Health (NIH)
National Institute on Alcohol Abuse and AlcoholismAA013510, AA109431, R24AA019431, AA021947
National Institutes of Health/National Institute of Environmental Health SciencesT32ES018827
Israel National Road Safety AuthorityT32 ES018827

    Keywords

    • Alcohol
    • Gene expression
    • Glucocorticoid
    • HPA axis
    • Immunity
    • Infection
    • Inflammation
    • Vaccination

    ASJC Scopus subject areas

    • Pharmacology
    • Biological Psychiatry

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