alexa The liver-brain axis of alcohol-mediated neurodegeneration: role of toxic lipids.


Journal of Clinical & Experimental Pathology

Author(s): de la Monte SM, Longato L, Tong M, DeNucci S, Wands JR

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Abstract Alcohol abuse causes progressive toxicity and degeneration in liver and brain due to insulin resistance, which exacerbates oxidative stress and pro-inflammatory cytokine activation. Alcohol-induced steatohepatitis promotes synthesis and accumulation of ceramides and other toxic lipids that cause insulin resistance. Ceramides can readily cross the blood-brain barrier, and ceramide exposure causes neurodegeneration with insulin resistance and oxidative stress, similar to the effects of alcohol. Therefore, in addition to its direct neurotoxic effects, alcohol misuse establishes a liver-brain axis of neurodegeneration mediated by toxic lipid trafficking across the blood-brain barrier, leading to progressive white matter degeneration and cognitive impairment.
This article was published in Int J Environ Res Public Health and referenced in Journal of Clinical & Experimental Pathology

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