Dose-dependent effects of chronic alcohol drinking on peripheral immune responses

Suhas Sureshchandra, Anthony Raus, Allen Jankeel, Brian Jin Kee Ligh, Nicole A.R. Walter, Natali Newman, Kathleen (Kathy) Grant, Ilhem Messaoudi

    Research output: Contribution to journalArticle

    Abstract

    It is well established that chronic heavy alcohol drinking (CHD) results in significant organ damage, increased susceptibility to infections, and poor outcomes following injury. In contrast, chronic moderate drinking (CMD) has been associated with improved cardiovascular health and immunity. These differential outcomes have been linked to alterations in both innate and adaptive branches of the immune system; however, the mechanisms remain poorly understood. To address this question, we determined the impact of chronic drinking on the transcriptional and functional responses of peripheral blood mononuclear cells (PBMC) collected from male rhesus macaques classified as CMD or CHD after 12 months of voluntary ethanol self-administration. Our analysis suggests that chronic alcohol drinking, regardless of dose alters resting transcriptomes of PBMC, with the largest impact seen in innate immune cells. These transcriptional changes are partially explained by alterations in microRNA profiles. Additionally, chronic alcohol drinking is associated with a dose dependent heightened inflammatory profiled at resting and following LPS stimulation. Moreover, we observed a dose-dependent shift in the kinetics of transcriptional responses to LPS. These findings may explain the dichotomy in clinical and immunological outcomes observed with moderate versus heavy alcohol drinking.

    Original languageEnglish (US)
    Article number7847
    JournalScientific Reports
    Volume9
    Issue number1
    DOIs
    StatePublished - Dec 1 2019

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    Alcohol Drinking
    Drinking
    Blood Cells
    Self Administration
    Macaca mulatta
    MicroRNAs
    Transcriptome
    Immune System
    Immunity
    Ethanol
    Health
    Wounds and Injuries
    Infection

    ASJC Scopus subject areas

    • General

    Cite this

    Sureshchandra, S., Raus, A., Jankeel, A., Ligh, B. J. K., Walter, N. A. R., Newman, N., ... Messaoudi, I. (2019). Dose-dependent effects of chronic alcohol drinking on peripheral immune responses. Scientific Reports, 9(1), [7847]. https://doi.org/10.1038/s41598-019-44302-3

    Dose-dependent effects of chronic alcohol drinking on peripheral immune responses. / Sureshchandra, Suhas; Raus, Anthony; Jankeel, Allen; Ligh, Brian Jin Kee; Walter, Nicole A.R.; Newman, Natali; Grant, Kathleen (Kathy); Messaoudi, Ilhem.

    In: Scientific Reports, Vol. 9, No. 1, 7847, 01.12.2019.

    Research output: Contribution to journalArticle

    Sureshchandra, S, Raus, A, Jankeel, A, Ligh, BJK, Walter, NAR, Newman, N, Grant, KK & Messaoudi, I 2019, 'Dose-dependent effects of chronic alcohol drinking on peripheral immune responses', Scientific Reports, vol. 9, no. 1, 7847. https://doi.org/10.1038/s41598-019-44302-3
    Sureshchandra S, Raus A, Jankeel A, Ligh BJK, Walter NAR, Newman N et al. Dose-dependent effects of chronic alcohol drinking on peripheral immune responses. Scientific Reports. 2019 Dec 1;9(1). 7847. https://doi.org/10.1038/s41598-019-44302-3
    Sureshchandra, Suhas ; Raus, Anthony ; Jankeel, Allen ; Ligh, Brian Jin Kee ; Walter, Nicole A.R. ; Newman, Natali ; Grant, Kathleen (Kathy) ; Messaoudi, Ilhem. / Dose-dependent effects of chronic alcohol drinking on peripheral immune responses. In: Scientific Reports. 2019 ; Vol. 9, No. 1.
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