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Impact of circulating miR-122 for histological features and hepatocellular carcinoma of nonalcoholic fatty liver disease in Japan.

Abstract：

BACKGROUND AND AIM:Relationships between circulating microRNA-122 (miR-122) and histological features of nonalcoholic fatty liver disease (NAFLD) are unclear. METHODS:The impact of serum miR-122 levels for histological features and hepatocellular carcinoma (HCC) was investigated in 305 Japanese patients with histological proven NAFLD. Twenty-three patients were with HCC at the time of diagnosis of NAFLD, and four patients developed HCC during the follow-up. The cross-sectional or longitudinal evaluations were performed to investigate the impact for HCC. RESULTS:Serum miR-122 levels (calibrated relative to the median levels of patients) partly affected severity of steatosis, ballooning, lobular inflammation, and stage. Multivariate analysis identified HCC and/or histological components of NASH as morphological factors that independently influenced serum miR-122 levels at the diagnosis of NAFLD. There was a strong correlation between serum miR-122 levels and AST, ALT levels. In cross-sectional evaluation, serum miR-122 levels of patients without HCC were significantly higher than those with HCC in patients of stage 3 but not stage 4. In longitudinal evaluation of one patient with follow-up time of 25 years, from the diagnosis of NAFLD until HCC, serum miR-122 levels had already tended to decrease before the progression of fibrosis stage. CONCLUSIONS:HCC and/or histological components of NASH affected serum miR-122 levels, independently. In longitudinal evaluation of HCC patients, serum miR-122 levels had already tended to decrease before the progression of fibrosis stage. Further prospective studies are needed to investigate the impact of serum miR-122 for histological features and hepatocarcinogenesis of NAFLD.

journal_name

Hepatol Int

journal_title

Hepatology international

authors

Akuta N,Kawamura Y,Suzuki F,Saitoh S,Arase Y,Kunimoto H,Sorin Y,Fujiyama S,Sezaki H,Hosaka T,Kobayashi M,Suzuki Y,Kobayashi M,Ikeda K,Kumada H

doi

10.1007/s12072-016-9729-2

subject

Has Abstract

pub_date

2016-07-01 00:00:00

pages

647-56

issue

eissn

1936-0533

issn

1936-0541

pii

10.1007/s12072-016-9729-2

journal_volume

pub_type

杂志文章

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Impact of circulating miR-122 for histological features and hepatocellular carcinoma of nonalcoholic fatty liver disease in Japan.