Human Gene Set: KUROKAWA_LIVER_CANCER_EARLY_RECURRENCE_UP


Standard name KUROKAWA_LIVER_CANCER_EARLY_RECURRENCE_UP
Systematic name M7700
Brief description Genes up-regulated in hepatocellular carcinoma (HCC) with early recurrence.
Full description or abstract BACKGROUND/AIMS: Hepatocellular carcinoma (HCC) has a very poor prognosis, due to the high incidence of tumor recurrence. As the current morphological indicators are often insufficient for therapeutic decisions, we sought to identify additional biologic indicators for early recurrence. METHODS: We analyzed gene expression using a PCR-based array of 3,072 genes in 100 HCC patients. Informative genes predicting early intrahepatic recurrence were selected by random permutation testing, and a weighted voting prediction method was constructed. Following estimation of prediction accuracy, a multivariate Cox analysis was performed. RESULTS: By permutation testing, we selected 92 genes demonstrated distinct expression patterns differing significantly between recurrence cases and recurrence-free cases. Our prediction method, using the 20 top-ranked genes, correctly predicted the early intrahepatic recurrence for 29 of 40 cases within the validation group, and the odds ratio was 6.8 (95%CI 1.7-27.5, P = 0.010). The 2-year recurrence rates in the patients with the good signature and those with the poor signature were 29.4 and 73.9%, respectively. Multivariate Cox analysis revealed that molecular-signature was an independent indicator for recurrence (hazard ratio 3.82, 95%CI 1.44-10.10, P = 0.007). CONCLUSIONS: Our molecular-based prediction method using 20 genes is clinically useful to predict early recurrence of HCC.
Collection C2: Curated
      CGP: Chemical and Genetic Perturbations
Source publication Pubmed 15288478   Authors: Kurokawa Y,Matoba R,Takemasa I,Nagano H,Dono K,Nakamori S,Umeshita K,Sakon M,Ueno N,Oba S,Ishii S,Kato K,Monden M
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Source species Homo sapiens
Contributed by Yujin Hoshida (Broad Institute)
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identifier namespace		 Human_RefSeq
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Version history 3.0: First introduced

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