Abstract
Background/Aims: Non-alcoholic fatty liver disease is a spectrum of clinical conditions, including simple steatosis and non-alcoholic steatohepatitis (NASH). The aim of the study is to evaluate the tissue inhibitors of metalloproteinase-1 and 2 (TIMPs) as noninvasive predictors of NASH. Methods: Three groups were included in the study. Obese patients (n = 30) with normal liver enzymes were included in group I and obese patients (n = 30) with elevated liver enzymes with liver biopsy-based diagnosis of NASH were included in group II. Age-matched subjects (n = 30) formed the control as group III. The lipid profile, liver enzyme levels and levels of TIMPs were compared among all the patients and subjects. Results: Comparison of groups I and II showed significantly elevated levels of TIMP-1 and TIMP-2 in group II as compared to group I (p < 0.05). Similarly, comparison between groups II and III showed significantly increased levels of TIMP-1 and TIMP-2 in group II as compared to group III (p < 0.05). TIMP-1 (sensitivity 96.7%, specificity 100%) and TIMP-2 (sensitivity 93.3%, specificity 100%) showed high accuracy in NASH diagnosis. Conclusion: TIMP-1 and TIMP-2 may be considered noninvasive markers for the diagnosis of NASH.
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