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- Title
The correlation between triiodothyronine and the severity of liver fibrosis.
- Authors
He, Weiwei; Huang, Caoxin; Wang, Liying; Su, Weijuan; Wang, Shunhua; Huang, Peiying; Zhang, Xiaofang; Huang, Yinxiang; Zhao, Yan; Lin, Mingzhu; Shi, Xiulin; Li, Xuejun
- Abstract
Background: The severity of liver fibrosis is an important predictor of death in patients with non-alcoholic fatty liver disease (NAFLD) and type 2 diabetes mellitus (T2DM). However, there is still no definite conclusion on the relationship between triiodothyronine (T3) and the severity of liver fibrosis. Thus, the aim of this study was to analyze the correlation between T3 level and the severity of liver fibrosis. Methods: We performed a cross-sectional study of 2072 T2DM patients with normal thyroid function from January 2017 to January 2020. NAFLD fibrosis score (NFS), Fibrosis index based on the 4 factors (FIB-4) and BARD score (BARD) were used to assess the severity of fibrosis in T2DM patients, and linear regression analyses were used to determine the factors independently associated with liver fibrosis. Further experiments were performed to assess the impact of low T3 on fibrosis progression in mice model and explore possible mechanisms. Results: Free triiodothyronine (fT3) levels had significantly inverse correlations with NFS and FIB-4, and BARD in T2DM patients (P < 0.05). In multiple linear regression analyses, decreased fT3 level was an independent risk factor for the severity of liver fibrosis of T2DM patients (P < 0.01). Findings from in-vivo experiment using mice model proved that hypothyroidism mice had more severe of liver fibrosis than those mice with normal thyroid function. We also found that T3 could inhibit the profibrotic TREM2+CD9+ macrophage, which had been identified an important player in the progression of liver fibrosis. Conclusion: The findings from this study proved an inverse correlation between T3 level and the severity of liver fibrosis, and lower fT3 level within the normal range was an independent risk factor for severe liver fibrosis.
- Subjects
CHINA; BIOLOGICAL models; THYROID gland function tests; DISEASE progression; IN vivo studies; CELL culture; ANIMAL experimentation; CROSS-sectional method; MULTIPLE regression analysis; CIRRHOSIS of the liver; NON-alcoholic fatty liver disease; REGRESSION analysis; SEVERITY of illness index; RISK assessment; TYPE 2 diabetes; DESCRIPTIVE statistics; TRIIODOTHYRONINE; CAUSALITY (Physics); MICE; DISEASE risk factors
- Publication
BMC Endocrine Disorders, 2022, Vol 22, Issue 1, p1
- ISSN
1472-6823
- Publication type
Article
- DOI
10.1186/s12902-022-01228-8