期刊
CLINICAL GASTROENTEROLOGY AND HEPATOLOGY
卷 19, 期 6, 页码 1267-+出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cgh.2020.09.045
关键词
Androgens; Hepatic Inflammation; Sex Hormones; Nonalcoholic Fatty Liver Disease; Abdominal Adiposity
资金
- National Institutes of Diabetes and Digestive and Kidney Diseases [DK111944]
- National Institutes of Diabetes and Digestive and Kidney Diseases
In young women with NAFLD, higher testosterone levels are associated with increased disease severity, particularly in the youngest age group. Elevated testosterone levels may pose a greater risk for NASH and NASH fibrosis, as well as abdominal adiposity.
BACKGROUND & AIMS: Higher testosterone contributes to imaging-confirmed nonalcoholic fatty liver disease (NAFLD) in women, but whether testosterone influences their disease severity is unknown. METHODS: The association of free testosterone (free T) with nonalcoholic steatohepatitis (NASH) was determined in pre-menopausal women with biopsy-confirmed NAFLD (n = 207). Interaction testing was performed for age and free T given decline in testosterone with age, and association of aging with NASH. Regression models adjusted for abdominal adiposity, diabetes, and dyslipidemia. RESULTS: Median age was 35 yrs (interquartile range, 29-41); 73% were white, 25% Hispanic; 32% had diabetes, 93% abdominal adiposity, and 95% dyslipidemia. 69% had NASH, 67% any fibrosis, and 15% advanced fibrosis. Higher free T levels were associated with NAFLD severity in younger women (interaction P value <.02). In the youngest age quartile, free T was independently associated with NASH (odds ratio [OR], 2.3; 95% CI, 1.2-4.4), NASH fibrosis (OR, 2.1; 95% CI, 1.1-3.8), and higher fibrosis stage (OR, 1.9; 95% CI, 1.1-3.4), P value.02. In these women, the proportion with NASH steadily rose from 27% to 88%, and with NASH fibrosis rose from 27% to 81%, with higher free T quartiles (P < .01). Free T was additionally associated with abdominal adiposity among all pre-menopausal women (OR, 2.2; 95% CI, 1.2-4.1: P = .02). CONCLUSIONS: In young women with NAFLD, higher testosterone levels conferred a 2-fold higher risk of NASH and NASH fibrosis, and increased risk of abdominal adiposity, supporting a potential mechanistic link of abdominal fat on testosterone-associated liver injury. Testosterone may represent an early risk factor for NASH progression in young women, prior to their onset of more dominant, age-related metabolic risk factors.
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