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Cheung, S.T. et al.

Cheung, Ho, Leung, Chen, Fong, So, Fan,

Transcript AA454543 is a novel prognostic marker for hepatocellular carcinoma after curative partial hepatectomy.

BACKGROUND: We have previously reported on the cDNA microarray gene expression profiles of hepatocellular carcinomas (HCCs). Among the genes that show prognostic significance and are overexpressed in tumor compared with adjacent nontumorous liver, transcript AA454543 may have potential for practical use. Our aim is to validate the prognostic significance of transcript AA454543 by alternative research methods and in a separate group of HCC patients. METHODS AND RESULTS: The data of transcript AA454543 derived from microarray analysis of 48 patients having curative partial hepatectomy (group 1) were verified by quantitative reverse transcription polymerase chain reaction (r = 0.618, P < .001). A separate sample set of HCCs obtained from 53 patients (group 2) was examined and the association of AA454543 expression level with overall survival was again validated (P = .027). By Cox regression analysis, transcript AA454543 [hazard ratio (HR) = 3.0, P = .017] and pathologic tumor node metastasis (pTNM) stage (HR = 3.3, P = .010) were independent prognostic factors for overall survival. The accuracy of prediction for 3-year overall survival for transcript AA454543 (74.2%, P = .001) and pTNM stage (76.4%, P = .001) was comparable as measured by the area under the receiver operating characteristic curve. CONCLUSION: Transcript AA454543 is potentially useful molecular prognostic marker for overall survival after curative partial hepatectomy for HCC.[1]

References

Transcript AA454543 is a novel prognostic marker for hepatocellular carcinoma after curative partial hepatectomy. Cheung, S.T., Ho, J.C., Leung, K.L., Chen, X., Fong, D.Y., So, S., Fan, S.T. Neoplasia (2005) [Pubmed]

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