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Examine reveals novel therapeutic strategy for extreme alcohol use

In a major discovering, researchers from The Jackson Laboratory (JAX) and UConn Well being have found that sodium valerate, a short-chain fatty acid produced by intestine microbes, can dramatically scale back binge consuming conduct and blood ethanol focus in mice. The examine, reported June 17 in Microbiome, gives promising insights into the gut-brain axis and presents a novel therapeutic strategy for extreme alcohol use.

We’re all for physiological habit genetics and genomics to establish new drug targets for treating habit/overdose.

The analysis workforce, led by Yanjiao Zhou, M.D., Ph.D., affiliate professor of drugs at UConn Well being, and Jason Bubier, Ph.D., senior analysis scientist at JAX, carried out an in depth investigation into the consequences of short-chain fatty acid (SCFA) supplementation on alcohol consumption patterns in a mouse mannequin. They administered three particular person SCFAs and located that sodium valerate led to a 40% discount in alcohol consumption and a 53% lower in blood ethanol ranges. These outcomes have been accompanied by important molecular modifications that counsel sodium valerate may very well be a potent new remedy for lowering binge consuming.

Regardless of the widespread prevalence of alcohol use dysfunction, solely three medicines to date-;disulfiram, naltrexone, and acamprosate-;have been authorised by FDA for treating sufferers. Most lately, the FDA authorised naltrexone as an oral medicine in 1994 and as an extended-release injectable in 2006.

The examine expands our understanding of the necessary relationship between the intestine microbiome and alcohol consumption. There may be robust proof that binge consuming considerably alters the microbiome in ways in which speed up the cycle of habit through the gut-brain axis. Our findings present a potential organic rationalization for why that happens and establish a possible remedy for lowering extreme alcohol use.”

Jason Bubier, Ph.D., senior analysis scientist at JAX

Zhou, Bubier and colleagues, together with Suresh Bokoliya, a postdoc within the Zhou lab, carried out additional analyses evaluating mice administered sodium valerate with these given sodium chloride, generally referred to as desk salt, as a management. The information revealed that sodium valerate not solely lowered binge consuming but in addition diminished anxiety-like or approach-avoidance behaviors in comparison with the management group. Moreover, elevated ranges of gamma-aminobutyric acid (GABA), a neurotransmitter implicated in neuropsychiatric and alcohol use issues, have been detected within the mind, stool, and blood of the mice following sodium valerate supplementation.

One other key side of the examine concerned assessing the affect of sodium valerate on mind perform. By RNA sequencing of the amygdala, a mind area related to emotional regulation, the workforce recognized important modifications in gene expression associated to neuroinflammation, neurotransmission, mitochondrial regulation, and G protein-coupled receptor signaling. These findings counsel that sodium valerate influences a number of signaling pathways within the mind, which can mediate its results on alcohol consumption.

“The implications of our examine are important,” stated Zhou. “By demonstrating how sodium valerate alters gene expression and neurotransmitter ranges, we offer a multifaceted rationalization for its potential as a therapy for extreme alcohol consumption.”

This analysis underscores the essential function of the intestine microbiome in habit and highlights the therapeutic potential of focusing on the gut-brain axis. Sodium valerate supplementation, with its skill to scale back binge consuming and anxiety-like behaviors, gives a promising new avenue for treating alcohol use issues.


Journal reference:

Bokoliya, S. C., et al. (2024). Quick-chain fatty acid valerate reduces voluntary alcohol consumption in male mice. Microbiome.



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