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Binge Drinking can Cause More Damage to Women than Men

by Iswarya on August 20, 2019 at 3:05 PM
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Binge Drinking can Cause More Damage to Women than Men

Binge-drinking episodes can trigger a response for more injury in women compared to men, reveals a new study. The findings of the study are published in the Journal of Pharmacology and Experimental Therapeutics.

According to the Centers for Disease Control and Prevention, one in six U.S. adults binge drink four times per month.

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In a recently published study examining the effects of binge drinking on rats, researchers from the University of Missouri School of Medicine discovered that female rats who were of equal age and weight to male rats were more sensitive to alcohol and experienced an alcoholic liver injury at a higher rate than male rats.

"Some chronic drinkers can drink for several years and still live relatively healthy lives," said Shivendra Shukla, Ph.D., Margaret Proctor Mulligan Professor of medical pharmacology and physiology at the University of Missouri School of Medicine.
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"But many chronic drinkers are susceptible to liver damage when they binge drink. The liver is the metabolic powerhouse of the body, and liver injury can compound the damage to other organs. We studied the similarities and differences of gender-specific responses to repeat binge drinking. Our research showed that just three binge-drinking episodes triggered a response for more injury in the female rats."

Shukla found a statistically significant difference using just four male and four female rats, giving them the same amount of alcohol three times at 12-hour intervals. He collected and analyzed blood and liver tissues four hours after the last binge episode. Shukla discovered the blood alcohol concentration was twice that in the female rats, but not all damage in males and females reflected that ratio. He discovered the female rats had nearly four times as much fatty build-up in the liver, a trigger for additional inflammation and damage.

"There's a protein called diacylglycerol kinase-alpha (DGKa) that has been shown in other studies to promote tumor growth and cancer," Shukla said. "In our findings, this protein goes up 20% in male rats but increases 95% in females. However, any role this protein plays in alcohol-induced breast cancer is unknown and remains to be investigated in the future."

Shukla says additional studies in humans will be needed to understand further the potential differences in how binge drinking affects males and females and the metabolic causes for these differences. "Unfortunately, alcohol has been glamorized," Shukla said. "It is dangerous. Don't binge drink. The research is very clear."

In addition to Shukla, the study authors include Ricardo Restrepo, PhD, Annayya Aroor, PhD, Robert Lim, PhD, Ronald Korthuis, PhD, and Xuanyou Liu, graduate student from the Department of Medical Pharmacology and Physiology at the University of Missouri School of Medicine; and David Ford, PhD, and Jacob Frank, graduate student, Department of Biochemistry and Molecular Biology and Center for Cardiovascular Research at Saint Louis University.

The study, "Binge alcohol is more injurious to the liver in female than male rats: histopathological, pharmacological, and epigenetic profiles," was recently published in the Journal of Pharmacology and Experimental Therapeutics. The authors of the study declare that they have no conflicts of interest.

Source: Eurekalert
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