Neuroimmune signaling: a key component of alcohol abuse.

Jody Mayfield, Laura Ferguson, R Adron Harris

Current opinion in neurobiology 2013 Aug

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Molecular and behavioral studies corroborate a pivotal role for the innate immune system in mediating the acute and chronic effects of alcohol and support a neuroimmune hypothesis of alcohol addiction. Changes in expression of neuroimmune genes and microglial transcripts occur in postmortem brain from alcoholics and animals exposed to alcohol, and null mutant animals lacking certain innate immune genes show decreased alcohol-mediated responses. Many of the differentially expressed genes are part of the toll like receptor (TLR) signaling pathway and culminate in an increased expression of pro-inflammatory immune genes. Compounds known to inhibit inflammation, microglial activation, and neuroimmune gene expression have shown promising results in reducing alcohol-mediated behaviors in animal models, indicating that neuroimmune signaling pathways offer unexplored targets in the treatment of alcohol abuse. Copyright © 2013 Elsevier Ltd. All rights reserved.

Citation

Jody Mayfield, Laura Ferguson, R Adron Harris. Neuroimmune signaling: a key component of alcohol abuse. Current opinion in neurobiology. 2013 Aug;23(4):513-20