The promoting effect of adiponectin in hepatocellular carcinoma.

Abstract:

BACKGROUND AND OBJECTIVES:Adipokines may explain the newly established association of obesity with hepatocellular carcinoma (HCC). This study investigated if adiponectin levels in HCC patients differed from healthy controls and their potential effect in the development of HCC. METHODS:Radioimmunoassay was used to determine serum adiponectin levels of 65 HCC patients and 165 healthy controls. The expressions of adiponectin protein in the tumor and adjacent non-tumor parts were examined by the immunoblotting method. Cell proliferation assays were used to assess the bioeffects of adiponectin in two human liver cancer cell lines. RESULTS:Serum adiponectin levels were significantly higher in the HCC patients than the controls. Significant correlations of serum adiponectin levels with serum triglyceride levels and insulin resistance were found in the controls, but not in the HCC patients. In contrast, serum adiponectin levels significantly correlated with serum albumin and alkaline phosphatase levels in the HCC patients, but this trend was not observed in the controls. The expression pattern of adiponectin protein between the paired tumor and adjacent non-tumor tissues significantly correlated with tumor size. In vitro, adiponectin increased cell proliferation in a dose-dependent manner. CONCLUSIONS:Increased adiponectin expressions were found in HCC and this increase might contribute to tumor growth.

journal_name

J Surg Oncol

authors

Chen MJ,Yeh YT,Lee KT,Tsai CJ,Lee HH,Wang SN

doi

10.1002/jso.23059

subject

Has Abstract

pub_date

2012-08-01 00:00:00

pages

181-7

issue

2

eissn

0022-4790

issn

1096-9098

journal_volume

106

pub_type

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