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Clin Chim Acta. 2015 Aug 25;448:161-9. doi: 10.1016/j.cca.2015.06.027. Epub 2015 Jul 9.

Prognostic value of cytokeratin 19 in hepatocellular carcinoma: A meta-analysis.

Author information

1
Department of Hepatobiliary and Pancreatic Surgery, The First Hospital of Jilin University, Jilin University, Changchun 130021, Jilin Province, China.
2
Department of Oncology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China.
3
Department of Hepatobiliary and Pancreatic Surgery, The First Hospital of Jilin University, Jilin University, Changchun 130021, Jilin Province, China. Electronic address: lvguoyue@sina.com.

Abstract

BACKGROUND:

Although many studies have investigated the relationship between cytokeratin 19 (CK-19) and hepatocellular carcinoma (HCC), the prognostic value of CK-19 in HCC remains inconclusive.

METHODS:

Eligible studies were sought in PubMed, Embase, Web of Science, Cochrane Library and Wanfang databases. Pooled hazard ratios (HRs) and odds ratios (ORs) with corresponding 95% confidence intervals (CIs) were calculated.

RESULTS:

17 studies with 2943 patients were included in this meta-analysis. Meta-analysis results showed that CK-19 over-expression was significantly associated with overall survival (OS) (HR=1.60, 95% CI: 1.32-1.93, univariate analysis; HR=2.25, 95% CI: 1.79-2.83, multivariate analysis) and disease-free survival (DFS) (HR=1.68, 95% CI: 1.35-2.10, univariate analysis; HR=1.97, 95% CI: 1.54-2.53, multivariate analysis). Meanwhile, CK-19 over-expression was also correlated with decreased 1-year OS rate (OR=0.32, 95% CI: 0.21-0.50), 5-year OS rate (OR=0.44, 95% CI: 0.14-0.87) and 1-year DFS rate (OR=0.51, 95% CI: 0.34-0.76), but not with 5-year DFS rate (OR=0.62, 95% CI: 0.35-1.10). These results suggested that CK-19 over-expression was significantly associated with poor survival rate and early tumor recurrence rate in HCC patients.

CONCLUSIONS:

CK-19 can serve as an indicator of poor prognosis as well as a novel target for treatment in HCC.

KEYWORDS:

Cytokeratin 19 (CK-19); Hepatocellular carcinoma (HCC); Meta-analysis; Prognosis

PMID:
26164382
DOI:
10.1016/j.cca.2015.06.027
[Indexed for MEDLINE]

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