Metabolism: clinical and experimental · 2019
Low levels of total and high-molecular-weight adiponectin may predict non-alcoholic fatty liver in Korean adults.
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Kim Young-Sang, Lee Soo-Hyun, Park Seung Geon, Won Bo Youn, Chun Hyejin, Cho Doo-Yeoun, Kim Moon-Jong, Lee Ji Eun, Haam Ji-Hee, Han Kunhee
Аннотация
OBJECTIVES: While weight gain is known as a predictor of non-alcoholic fatty liver disease (NAFLD) incidence, it remains controversial whether adipokine levels predict the development of NAFLD. We aimed to investigate the relationship of total adiponectin, high-molecular-weight (HMW) adiponectin, and leptin with the development and improvement of non-alcoholic fatty liver (NAFL) independent of sex and weight change over a maximum of 8.5 years.
METHODS: This prospective study enrolled 2735 participants in a hospital health check-up setting. Adipokine levels were measured at baseline. NAFL was assessed with liver ultrasonography, and the development or improvement of NAFL was determined by repeated ultrasonography at follow-ups.
RESULTS: Cross-sectional analyses revealed that total and HMW adiponectin levels were inversely associated with NAFL prevalence. In longitudinal analyses, the incidence of NAFL was 5.6 per 100-person-years during the observation period. The hazard ratios (HRs) per 1 μg/mL increase in the levels of total and HMW adiponectin were 0.900 (0.836-0.969) and 0.846 (0.754-0.948), respectively. Sex-stratified analyses showed that total and HMW adiponectin levels were significantly related to NAFL incidence only in women. In the subgroup of minimal weight change, only HMW adiponectin was a significant predictor for NAFL. Leptin predicted NAFL in the subgroup with weight gain. The improvement of NAFL was influenced by weight change, but not by adipokine levels.
CONCLUSIONS: Low levels of total and HMW adiponectin may predict the development of NAFL independent of pathophysiological factors including obesity and insulin resistance. This predictability was evident in women. Leptin was a significant predictor for NAFL in the subjects with weight gain.
METHODS: This prospective study enrolled 2735 participants in a hospital health check-up setting. Adipokine levels were measured at baseline. NAFL was assessed with liver ultrasonography, and the development or improvement of NAFL was determined by repeated ultrasonography at follow-ups.
RESULTS: Cross-sectional analyses revealed that total and HMW adiponectin levels were inversely associated with NAFL prevalence. In longitudinal analyses, the incidence of NAFL was 5.6 per 100-person-years during the observation period. The hazard ratios (HRs) per 1 μg/mL increase in the levels of total and HMW adiponectin were 0.900 (0.836-0.969) and 0.846 (0.754-0.948), respectively. Sex-stratified analyses showed that total and HMW adiponectin levels were significantly related to NAFL incidence only in women. In the subgroup of minimal weight change, only HMW adiponectin was a significant predictor for NAFL. Leptin predicted NAFL in the subgroup with weight gain. The improvement of NAFL was influenced by weight change, but not by adipokine levels.
CONCLUSIONS: Low levels of total and HMW adiponectin may predict the development of NAFL independent of pathophysiological factors including obesity and insulin resistance. This predictability was evident in women. Leptin was a significant predictor for NAFL in the subjects with weight gain.