Journal
HEPATOLOGY RESEARCH
Volume 39, Issue 2, Pages 164-176Publisher
WILEY
DOI: 10.1111/j.1872-034X.2008.00413.x
Keywords
endosomal sorting complex; epidermal growth factor receptor; HCC-related protein-1; postoperative; predictor; survival
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Funding
- Chang Gung Medical Research Program [CMRP34029, CMRP34032, CMRP34027]
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Hepatocellular carcinoma (HCC)-related protein-1 (HCRP1) gene was located at chromosome 8p22, a frequently deleted region in HCC. The gene product was a subunit of mammalian Endosomal Sorting Complex Required for Transport (ESCRT)-I, essential for degradation of epidermal growth factor receptors. In this study, we examined the prognostic role of HCRP1 mRNA expression in HCC. The expression of HCRP1 mRNA in HCC was assessed in 125 patients receiving surgical resection of HCC. Using the adjacent non-cancerous tissues as a reference, 55 and 70 patients expressing high and low levels of HCRP1 mRNA, respectively, were identified. The predictive value of HCRP1 mRNA expression in postoperative survival was evaluated. Expression of HCRP1 mRNA was not associated with any of the baseline clinicopathological parameters. However, univariate analysis showed that it was associated with a better disease-free survival (P < 0.001) and overall survival (P = 0.032). Stepwise Cox multivariate proportional hazards regression analysis showed that the expression of HCRP1 mRNA (hazard ratio [HR], 0.396; 95% confidence interval (CI), 0.233-0.674; P = 0.001), tumor number (HR, 1.596; 95% CI, 1.221-2.087; P = 0.001), serum aspartate aminotransferase (HR, 1.002; 95% CI, 1.000-1.003; P = 0.031) and the presence of microvascular invasion (HR, 1.852; 95% CI, 1.131-3.032; P = 0.014) were included as independent predictors for disease-free survival. Expression of HCRP1 mRNA served as an independent predictor for postoperative disease-free survival in HCC patients.
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