[Expression features of glypican-3 and its diagnostic and differential values in hepatocellular carcinoma].

Abstract

OBJECTIVE To investigate the expression features of glypican-3 (GPC-3) and its diagnostic and differential values in hepatocellular carcinoma (HCC). METHODS Rat hepatoma models were made and the dynamic expression features of GPC-3 protein and its gene were investigated by Western blotting and RT-PCR respectively. Liver specimens from 36 HCC patients were collected by self-control method and the expression and clinicopathological features of GPC-3 were analyzed by immunohistochemistry. Serum GPC-3 levels were quantitatively detected by ELISA and its efficiency for HCC diagnosis was evaluated in patients with liver diseases. RESULTS The incidence of GPC-3 was 0% in control, 83.3% in degeneration, 100% in precancerosis and 100% in canceration during dynamic formation of rat hepatoma, respectively. The positive GPC-3 was brown granule- like staining localized in membrane and cytoplasm in human HCC. CONCLUSIONS The GPC-3 positive rates were 80.6% in HCC, 41.7% in surrounding tissues and none in distal tissues (P < 0.01), respectively. No positive relationship presented between GPC-3 and differentiation grade or the number of tumor except of tumor size (Z = 2.941, P < 0.01). The incidence of serum GPC-3 was 52.8% in HCC patients except of one patient with cirrhosis. No significant differences were found between GPC-3 and sex, age, AFP, tumor number, Child classification or extrahepatic metastasis except of tumor size (χ² = 6.318, P < 0.05) and HBV infection (χ² = 23.362, P < 0.01). Combined detection of GPC-3 and AFP could rise up diagnosis of HCC. GPC-3 expression closely associated with HCC and might be useful for early diagnosis of HCC.

DOI: 10.3760/cma.j.issn.1007-3418.2011.04.008

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@article{Bian2011ExpressionFO, title={[Expression features of glypican-3 and its diagnostic and differential values in hepatocellular carcinoma].}, author={Yin-zhu Bian and Deng-fu Yao and Chong-guo Zhang and Shan-Shan Li and Wei Wu and Zhi-zhen Dong and Li-wei Qiu and Dan-dan Yu}, journal={Zhonghua gan zang bing za zhi = Zhonghua ganzangbing zazhi = Chinese journal of hepatology}, year={2011}, volume={19 4}, pages={260-5} }