Associations between Circulating Amino Acids and Liver Disease Outlined in New Study

Strategic Insights -

Researchers have identified key associations between circulating amino acids and liver disease in a study published in the Journal of Diabetes and Metabolic Disorders. Conducted among Iranian adults aged 50 and over, the study found links between specific amino acids and an increased risk of non-alcoholic fatty liver disease (NAFLD). The study involved 1642 participants and utilized liquid chromatography-tandem mass spectrometry to quantify amino acid levels.

Key Takeaways:

  • The study revealed a positive association between branched-chain amino acids (BCAAs) and the risk of NAFLD, with leucine and valine showing significant correlations.
  • Aromatic amino acids, such as tyrosine, phenylalanine, and tryptophan, were also linked to an increased risk of NAFLD.
  • Alanine and glutamic acid showed a positive association with increased risk of NAFLD.
  • The study concluded that circulating amino acid profiles could potentially serve as biomarkers for NAFLD in middle-aged and elderly Iranian adults.
  • The Bushehr Elderly Health Program, used in this study, highlighted the importance of large-scale population studies in understanding the associations between amino acids, inflammation markers, and NAFLD.

Statistics:

  • 1642 participants aged 50 and over were included in the study.
  • The mean age of participants was 62.24 ± 8.18 years.
  • The study used logistic regression and principal component analysis to assess associations between amino acid patterns and NAFLD indices.
  • Fatty Liver Index (FLI) and Framingham Steatosis Index (FSI) were used as surrogate markers for NAFLD.

Sources:

  • Associations between circulating amino acids and hepatic steatosis indices in Iranian adults aged over 50: findings from the Bushehr elderly health (BEH) program. Journal of Diabetes and Metabolic Disorders. 2025;24(2):229. (Springer - www.springer.com; Journal of Diabetes and Metabolic Disorders - www.springerlink.com/content/2251-6581/)
  • NewsRx. Findings on Non-Alcoholic Fatty Liver Disease Described by Researchers at Tehran University of Medical Sciences [Associations between circulating amino acids and hepatic steatosis indices in Iranian adults aged over 50: findings from the Bushehr ...]. Health & Medicine Week. October 31, 2025; p 1777.