Alcohol, neuron apoptosis, and oxidative stress

George I. Henderson, Jennifer Stewart, Steven Schenker

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

The aim of this chapter is to present a contemporary overview of ethanol-induced apoptosis in the brain, with a focus on the potential role of oxidative stress and some new concepts related to glia-mediated neuroprotection and selective vulnerability of neurons to ethanol. While ethanol-related oxidative stress and neuron apoptotic death have been documented in the adult brain, the vast majority of reports have centered on the developing organ (Schenker et al., 1990). We address both settings and offer several potential explanations for the high sensitivity of the fetal brain to these toxic responses to ethanol. Of note is that neurotoxic responses to ethanol have been recognized for several decades yet the mechanisms underlying these often devastating effects remain controversial. The following material abundantly illustrates that the setting is multifactorial with multiple ethanol-related perturbations at play, likely with each impacting to different degrees on various brain areas as well as on different neuron and glia populations. Finally, neuron survival and functions are intimately connected to the glia with which neurons are commingled. Such interactions may often be essential to neuron survival and we include a brief overview of recent studies addressing ethanol effects on neuroprotective glia/neuron interactions.

Original languageEnglish (US)
Title of host publicationMetabolic Encephalopathy
PublisherSpringer New York
Pages261-279
Number of pages19
ISBN (Electronic)9780387791128
ISBN (Print)9780387791098
DOIs
StatePublished - 2009

ASJC Scopus subject areas

  • Medicine(all)
  • Neuroscience(all)

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