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KMID : 0357920100440020187
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Korean Journal of Pathology
2010 Volume.44 No. 2 p.187 ~ p.190
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The Expression of Apolipoprotein D in Hepatocellular Carcinoma
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Han Hong-Xiu
Park Chan-Kum
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Abstract
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Background: Apolipoprotein D (Apo D) has recently been identified as a novel tumor suppressor gene. Apo D may have a profound effect on the carcinogenesis and progression of hepatocellular carcinoma. This study was designed to evaluate the expression of Apo D in hepatocellular carcinoma and to investigate the relationship between the expression of Apo D and the clinicopathological characteristics and the patients’ survival.
Methods: An immunohistochemical study was performed on the tumors and tissues from 43 hepatocellular carcinoma (HCC) patients with controls to determine the expression of Apo D protein.
Results: Our data showed that a higher expression of Apo D was seen in 10 of 43 cases (23.3%), while a lower and no expression of Apo D was observed in 28 of 43 cases (65.1%) and 5 of 43 cases (11.6%), respectively. A reduced expression of Apo D was correlated with the tumor stage (p = 0.037) and tumor size (p = 0.017). However, the patients’ 5-year survival was not associated with the expression of Apo D (p = 0.903).
Conclusions: The results suggest that a reduced Apo D protein expression may play an important role in HCC progression as associated with the tumor stage and size, but it does not affect the survival of HCC patients.
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KEYWORD
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Carcinoma, hepatocellular, Apolipoproteins D, Disease progression
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