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Research ArticleToxicology

Binge alcohol is more injurious to liver in female than male rats: histopathological, pharmacological, and epigenetic profiles.

Shivendra D. Shukla, Ricardo J Restrepo, Annayya R Aroor, Xuanyou Liu, Robert W Lim, Jacob D Franke, David A Ford and Ronald J Korthuis
Journal of Pharmacology and Experimental Therapeutics July 1, 2019, jpet.119.258871; DOI: https://doi.org/10.1124/jpet.119.258871
Shivendra D. Shukla
1 University of Missouri School of Medicine;
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Ricardo J Restrepo
2 University of Missouri Columbia;
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Annayya R Aroor
2 University of Missouri Columbia;
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Xuanyou Liu
2 University of Missouri Columbia;
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Robert W Lim
2 University of Missouri Columbia;
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Jacob D Franke
3 Saint Louis University-St Louis;
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David A Ford
4 Saint Louis University-St. Louis
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Ronald J Korthuis
2 University of Missouri Columbia;
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Abstract

Binge alcohol consumption is a health problem but differences between sexes remain poorly defined. We have examined the in vivo effects of acute three repeat binge alcohol administration on liver in male and female rats. Sprague-Dawley rats were gavaged with alcohol (5 gm /kg body weight) 3 times at 12 hourly intervals. Blood and liver tissues were collected 4 hours after the last binge ethanol. Subsequently, a number of variables were analyzed. Compared to male, female had higher levels of blood alcohol, alanine aminotransferase, and triglycerides. Liver histology showed increased lipid vesicles with larger sizes in females. Protein levels of liver CYP2E1 were higher in female than male liver after binge. Hepatic phospho-ERK1/2 and phosph-p38MAPK protein levels were lower in female compared to male after binge alcohol with no differences in the phospho-JNK levels. PGC1α and CREB protein levels increased more in female than male liver. However, increases in phospho-CREB levels were lower in females. Remarkably, c-fos was reduced substantially in female liver with no differences in c-myc protein. Binge ethanol caused elevation in acetylated (H3AcK9) and phospho-acetylated (H3AcK9PS10) histone H3 in both sexes but without any difference. Binge alcohol caused differential alterations in the levels of various species of phosphatidylethanol (PEth) and a larger increase in the diacylglycerol kinase-α protein levels in female compared to male livers. These data demonstrate for the first time similarities and differences in the gender-specific responses to repeat binge alcohol leading to the increased susceptibility of female liver to injury in vivo.

SIGNIFICANCE STATEMENT This study examines the molecular responses of male and female rat liver to acute binge alcohol in vivo and demonstrates significant differences in the susceptibility between genders.

  • alcohol
  • gender differences
  • toxicity
  • The American Society for Pharmacology and Experimental Therapeutics
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Journal of Pharmacology and Experimental Therapeutics: 384 (2)
Journal of Pharmacology and Experimental Therapeutics
Vol. 384, Issue 2
1 Feb 2023
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Research ArticleToxicology

Binge alcohol is more injurious to liver in female than male rats: histopathological, pharmacological, and epigenetic profiles.

Shivendra D. Shukla, Ricardo J Restrepo, Annayya R Aroor, Xuanyou Liu, Robert W Lim, Jacob D Franke, David A Ford and Ronald J Korthuis
Journal of Pharmacology and Experimental Therapeutics July 1, 2019, jpet.119.258871; DOI: https://doi.org/10.1124/jpet.119.258871

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Research ArticleToxicology

Binge alcohol is more injurious to liver in female than male rats: histopathological, pharmacological, and epigenetic profiles.

Shivendra D. Shukla, Ricardo J Restrepo, Annayya R Aroor, Xuanyou Liu, Robert W Lim, Jacob D Franke, David A Ford and Ronald J Korthuis
Journal of Pharmacology and Experimental Therapeutics July 1, 2019, jpet.119.258871; DOI: https://doi.org/10.1124/jpet.119.258871
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