Interrelationship between thyroid hormones and liver function biomarkers in patients with liver disease: A case-control study

  • A. N. Faisal University of Thi-Qar
  • N. S. Falgoos Al-Shatra University
  • A. K. Hommood Shatrah University
  • S. J. Abed National University of Science and Technology
  • O. A. Mohsein Thi-Qar Health Directorate
Keywords: thyroid dysfunction, liver disease, TSH levels, liver enzymes, hypothyroidism, hyperthyroidism.

Abstract

This study aimed to investigate the relationship between thyroid gland function and susceptibility to liver disease in an Iraqi patient population. The researchers worked in Iraq and survey ed consenting patients of diffe r ent ages who attended the Al-Hussein Teaching Hospital and the Ibn Al-Bitar Laboratory in Thi-Qar province. Further, there were fifty healthy controls, both male and female and of different ages who were sampled. In order to examine the association between thyroid hormones and liver functioning, blood serum was measured in terms of TSH, T 3 , T 4 , AST, ALT, and bilirubin in patients as well as controls. The results showed that patients who suffered liver disease had a lower body mass index (BMI) than the control group and that there were also no statistically significant differences in age. AST levels had a positive relationship with T 4 (r = 0.260) and a neg a tive relationship with TSH (r = – 0.131). Also, age had a positive correlation with the BMI (r = 0.381) and neg a tively correlated with bilirubin levels (r = – 0.274). The l iver is the important part of the metabolism of thyroid hormones and, vice versa, the level of thyroid hormones is necessary to ensure the proper functioning of liver and bilirubin metabolism. In addition to the established correlation of thyroid dysfunction with autoimmune diseases of the liver such as primary biliary cirrhosis and hypothyroidism that affect the liver, thyroid diseases can also be a cause of liver injury or affect liver function tests.

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Published
2026-01-12
How to Cite
Faisal, A. N., Falgoos, N. S., Hommood, A. K., Abed, S. J., & Mohsein, O. A. (2026). Interrelationship between thyroid hormones and liver function biomarkers in patients with liver disease: A case-control study. Regulatory Mechanisms in Biosystems, 17(1), e26017. https://doi.org/10.15421/0226017

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